├── .editorconfig ├── .gitignore ├── .travis.yml ├── LICENSE ├── README.md ├── build ├── composer.json ├── demo ├── images │ ├── 350x350.gif │ ├── unsplash1.jpeg │ └── unsplash2.jpeg └── index.php ├── docs ├── classes │ ├── ImageCache.ImageCache.html │ └── ImageCache.html ├── css │ ├── jquery.iviewer.css │ ├── phpdocumentor-clean-icons │ │ ├── Read Me.txt │ │ ├── fonts │ │ │ ├── phpdocumentor-clean-icons.dev.svg │ │ │ ├── phpdocumentor-clean-icons.eot │ │ │ ├── phpdocumentor-clean-icons.svg │ │ │ ├── phpdocumentor-clean-icons.ttf │ │ │ └── phpdocumentor-clean-icons.woff │ │ ├── lte-ie7.js │ │ └── style.css │ ├── prism.css │ └── template.css ├── files │ ├── ImageCache.php.html │ └── ImageCache.php.txt ├── graphs │ └── class.html ├── images │ ├── apple-touch-icon-114x114.png │ ├── apple-touch-icon-72x72.png │ ├── apple-touch-icon.png │ ├── custom-icons.svg │ ├── favicon.ico │ ├── hierarchy-item.png │ ├── icon-class-13x13.png │ ├── icon-class.svg │ ├── icon-interface-13x13.png │ ├── icon-interface.svg │ ├── icon-trait-13x13.png │ ├── icon-trait.svg │ └── iviewer │ │ ├── grab.cur │ │ ├── hand.cur │ │ ├── iviewer.rotate_left.png │ │ ├── iviewer.rotate_right.png │ │ ├── iviewer.zoom_fit.png │ │ ├── iviewer.zoom_in.png │ │ ├── iviewer.zoom_out.png │ │ └── iviewer.zoom_zero.png ├── index.html ├── js │ ├── jquery.dotdotdot-1.5.9.js │ ├── jquery.dotdotdot-1.5.9.min.js │ ├── jquery.iviewer.js │ ├── jquery.iviewer.min.js │ ├── jquery.smooth-scroll.js │ └── prism.min.js ├── namespaces │ ├── ImageCache.html │ └── default.html ├── phpdoc-cache-1b │ └── phpdoc-cache-file_d04bb9de03626450ab11fb2173acc40e.dat ├── phpdoc-cache-2e │ └── phpdoc-cache-settings.dat └── reports │ ├── deprecated.html │ ├── errors.html │ └── markers.html ├── phpdoc.xml ├── phpunit.xml ├── src └── ImageCache │ ├── ImageCache.php │ └── php-image-cache │ ├── 18e3af47b74127eb56de83345552aa7e.gif │ └── 18e3af47b74127eb56de83345552aa7e.gif.gz └── unittests └── ImageCacheTest.php /.editorconfig: -------------------------------------------------------------------------------- 1 | # editorconfig.org 2 | 3 | root = true 4 | 5 | [*] 6 | indent_style = tab 7 | indent_size = 4 8 | end_of_line = lf 9 | charset = utf-8 10 | trim_trailing_whitespace = true 11 | insert_final_newline = true 12 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.tmp 2 | # docs 3 | # docs/* 4 | compressed 5 | compressed/* 6 | src/ImageCache/php-image-cache 7 | demo/images/cached 8 | /nbproject -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: php 2 | php: 3 | - "5.5" 4 | - "5.4" 5 | - "5.3" 6 | 7 | notifications: 8 | email: "erik@312development.com" 9 | 10 | script: "phpunit" 11 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | License 2 | 3 | THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). 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There are no understandings, agreements or representations with respect to the Work not specified here. Licensor shall not be bound by any additional provisions that may appear in any communication from You. This License may not be modified without the mutual written agreement of the Licensor and You. 55 | The rights granted under, and the subject matter referenced, in this License were drafted utilizing the terminology of the Berne Convention for the Protection of Literary and Artistic Works (as amended on September 28, 1979), the Rome Convention of 1961, the WIPO Copyright Treaty of 1996, the WIPO Performances and Phonograms Treaty of 1996 and the Universal Copyright Convention (as revised on July 24, 1971). These rights and subject matter take effect in the relevant jurisdiction in which the License terms are sought to be enforced according to the corresponding provisions of the implementation of those treaty provisions in the applicable national law. If the standard suite of rights granted under applicable copyright law includes additional rights not granted under this License, such additional rights are deemed to be included in the License; this License is not intended to restrict the license of any rights under applicable law. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # NO LONGER MAINTAINED!!! 2 | 3 | # Image Cache v. 1.0.0 4 | 5 | Image Cache is a very simple PHP class that accepts an image source and will compress and cache the file, move it to a new directory, and returns the new source for the image. 6 | 7 | ## Current Status 8 | 9 | [![Build Status](https://travis-ci.org/nielse63/php-image-cache.png?branch=master)](https://travis-ci.org/nielse63/php-image-cache) 10 | 11 | Employing travis-ci.org for continuous integration testing and assurance of code validity. 12 | 13 | ## Installation 14 | 15 | Install Composer by opening Terminal and navigating to the directory in which you'd like to install Image Cache. 16 | 17 | Download Composer: 18 | 19 | ```bash 20 | curl -sS https://getcomposer.org/installer | php 21 | ``` 22 | 23 | Create a `composer.json` file: 24 | 25 | ```json 26 | { 27 | "require" : { 28 | "nielse63/phpimagecache": "dev-master" 29 | } 30 | } 31 | ``` 32 | 33 | Navigate to your project root and run the `install` command. 34 | 35 | ```bash 36 | $ php composer.phar install 37 | ``` 38 | 39 | From there, include the `vendor/autoload.php` file in your project, and initialize the class as normal. 40 | 41 | More information on installing and using Composer can be found at getcomposer.org, and dependency information on the package can be found at packagist.org. 42 | 43 | ## Testing 44 | 45 | ### Manual Testing 46 | 47 | To test the script manually by receiving visual output, setup a virtual host and load `demo/index.php` in your browser. Three examples are set in that file: the original image called from an outside source; a cached example referencing the outside source via an absolute URL; and an internal source referencing a file path. 48 | 49 | Using Chrome Developer Tools you can see the difference in load times between the external source (non-cached image) and the internally stored and cached image. 50 | 51 | ### Unit Testing 52 | 53 | Some extremely basic unit tests are included with the script and can be run using PHP Unit. I'm working on continuing to build up these tests and would more than welcome any contributions to the tests. 54 | 55 | To execute the tests in a bundled script (along with rebuilding the docs), clone the repository, navigate to the root of the repo in terminal, and execute: 56 | 57 | ```bash 58 | $: sh build 59 | ``` 60 | 61 | Assuming you have the `phpunit` and `phpdoc` commands intalled, the tests will pass and docs will be rebuilt. 62 | 63 | ## What's Next 64 | 65 | See the source for a full to do list of changes that I wish to accomplish moving forward. 66 | 67 | ## Contributing 68 | 69 | Contributing to the project would be a massive help in maintaining and extending the script. The module is being used on a larger scale than I initially imagined, and continuing to maintain it is becoming a little time consuming for just me. 70 | 71 | If you're interested in contributing, issue a pull request on Github or email me directly at erik@312development.com. 72 | 73 | For any issues found or extensions you'd like to see, feel free to submit an issue ticket so we can start a discussion about the viability of the problem and how it can be resolved. 74 | 75 | ## License 76 | 77 | Creative Commons Attribution Lisence: 78 | 79 | http://freedomdefined.org/Licenses/CC-BY 80 | 81 | [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/nielse63/php-image-cache/trend.png)](https://bitdeli.com/free "Bitdeli Badge") 82 | 83 | -------------------------------------------------------------------------------- /build: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | PHP_UNIT=`which phpunit` 4 | PHP_DOC=`which phpdoc` 5 | 6 | cd unittests && $PHP_UNIT ImageCacheTest ; 7 | cd ../ $PHP_DOC -------------------------------------------------------------------------------- /composer.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "nielse63/phpimagecache", 3 | "version" : "1.0.0", 4 | "type": "library", 5 | "description": "Image Cache is a very simple PHP module that accepts an image source and will compress and cache the file, move it to a new directory, and return the cache source for the image.", 6 | "keywords": ["cache","caching","php cache","image cache"], 7 | "homepage": "http://nielse63.github.io/php-image-cache", 8 | "license": "Creative Commons Attribution", 9 | "authors": [ 10 | { 11 | "name": "Erik Nielsen", 12 | "email": "erik@312development.com", 13 | "homepage": "http://312development.com", 14 | "role": "Developer" 15 | } 16 | ], 17 | "require": { 18 | "php": ">=5.4.0" 19 | }, 20 | "autoload": { 21 | "psr-0": { 22 | "ImageCache": "src/" 23 | } 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /demo/images/350x350.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/demo/images/350x350.gif -------------------------------------------------------------------------------- /demo/images/unsplash1.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/demo/images/unsplash1.jpeg -------------------------------------------------------------------------------- /demo/images/unsplash2.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/demo/images/unsplash2.jpeg -------------------------------------------------------------------------------- /demo/index.php: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Image Cache Test 8 | 9 | 17 | 18 | 19 | cached_image_directory = dirname(__FILE__) . '/images/cached'; 22 | 23 | $cached_src_one = $imagecache->cache( 'images/unsplash1.jpeg' ); 24 | echo '

Original file size: ' . filesize($imagecache->image_src) . ' bytes

'; 25 | echo '

PHPImageCach-ified file size: ' . filesize($imagecache->cached_filename) . ' bytes

'; 26 | echo '

Total image size reduction: ' . (((filesize($imagecache->image_src) - filesize($imagecache->cached_filename)) / filesize($imagecache->image_src))*100) . '%

'; 27 | ?> 28 | 29 |
30 | check_link_cached = false; 32 | $cached_src_two = $imagecache->cache( 'images/unsplash2.jpeg' ); 33 | echo '

Original file size: ' . filesize($imagecache->image_src) . ' bytes

'; 34 | echo '

PHPImageCach-ified file size: ' . filesize($imagecache->cached_filename) . ' bytes

'; 35 | echo '

Total image size reduction: ' . (((filesize($imagecache->image_src) - filesize($imagecache->cached_filename)) / filesize($imagecache->image_src))*100) . '%

'; 36 | ?> 37 | 38 |
39 | cache( 'http://placehold.it/350x350' ); 41 | echo 'Original file size: ' . filesize($imagecache->image_src) . ' bytes
'; 42 | echo 'PHPImageCach-ified file size: ' . filesize($imagecache->cached_filename) . ' bytes
'; 43 | echo 'Total image size reduction: ' . (((filesize($imagecache->image_src) - filesize($imagecache->cached_filename)) / filesize($imagecache->image_src))*100) . '%'; 44 | ?> 45 |

Because the "compressed" file size is larger than the original, a local copy of the original file will be server instead.

46 | 47 | 48 | 49 | 50 | -------------------------------------------------------------------------------- /docs/css/jquery.iviewer.css: -------------------------------------------------------------------------------- 1 | .viewer { 2 | -ms-touch-action: none; 3 | } 4 | 5 | .iviewer_common { 6 | position:absolute; 7 | bottom:10px; 8 | border: 1px solid #000; 9 | height: 28px; 10 | z-index: 5000; 11 | } 12 | 13 | .iviewer_cursor { 14 | cursor: url(../images/iviewer/hand.cur) 6 8, pointer; 15 | } 16 | 17 | .iviewer_drag_cursor { 18 | cursor: url(../images/iviewer/grab.cur) 6 8, pointer; 19 | } 20 | 21 | .iviewer_button { 22 | width: 28px; 23 | cursor: pointer; 24 | background-position: center center; 25 | background-repeat: no-repeat; 26 | } 27 | 28 | .iviewer_zoom_in { 29 | left: 20px; 30 | background: url(../images/iviewer/iviewer.zoom_in.png); 31 | } 32 | 33 | .iviewer_zoom_out { 34 | left: 55px; 35 | background: url(../images/iviewer/iviewer.zoom_out.png); 36 | } 37 | 38 | .iviewer_zoom_zero { 39 | left: 90px; 40 | background: url(../images/iviewer/iviewer.zoom_zero.png); 41 | } 42 | 43 | .iviewer_zoom_fit { 44 | left: 125px; 45 | background: url(../images/iviewer/iviewer.zoom_fit.png); 46 | } 47 | 48 | .iviewer_zoom_status { 49 | left: 160px; 50 | font: 1em/28px Sans; 51 | color: #000; 52 | background-color: #fff; 53 | text-align: center; 54 | width: 60px; 55 | } 56 | 57 | .iviewer_rotate_left { 58 | left: 227px; 59 | background: #fff url(../images/iviewer/iviewer.rotate_left.png) center center no-repeat; 60 | } 61 | 62 | .iviewer_rotate_right { 63 | left: 262px; 64 | background: #fff url(../images/iviewer/iviewer.rotate_right.png) center center no-repeat; 65 | } 66 | -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/Read Me.txt: -------------------------------------------------------------------------------- 1 | To modify your generated font, use the *dev.svg* file, located in the *fonts* folder in this package. You can import this dev.svg file to the IcoMoon app. All the tags (class names) and the Unicode points of your glyphs are saved in this file. 2 | 3 | See the documentation for more info on how to use this package: http://icomoon.io/#docs/font-face -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.dev.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | This is a custom SVG font generated by IcoMoon. 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.eot: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.eot -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | This is a custom SVG font generated by IcoMoon. 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.ttf -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.woff: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/docs/css/phpdocumentor-clean-icons/fonts/phpdocumentor-clean-icons.woff -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/lte-ie7.js: -------------------------------------------------------------------------------- 1 | /* Load this script using conditional IE comments if you need to support IE 7 and IE 6. */ 2 | 3 | window.onload = function() { 4 | function addIcon(el, entity) { 5 | var html = el.innerHTML; 6 | el.innerHTML = '' + entity + '' + html; 7 | } 8 | var icons = { 9 | 'icon-trait' : '', 10 | 'icon-interface' : '', 11 | 'icon-class' : '' 12 | }, 13 | els = document.getElementsByTagName('*'), 14 | i, attr, html, c, el; 15 | for (i = 0; ; i += 1) { 16 | el = els[i]; 17 | if(!el) { 18 | break; 19 | } 20 | attr = el.getAttribute('data-icon'); 21 | if (attr) { 22 | addIcon(el, attr); 23 | } 24 | c = el.className; 25 | c = c.match(/icon-[^\s'"]+/); 26 | if (c && icons[c[0]]) { 27 | addIcon(el, icons[c[0]]); 28 | } 29 | } 30 | }; -------------------------------------------------------------------------------- /docs/css/phpdocumentor-clean-icons/style.css: -------------------------------------------------------------------------------- 1 | @font-face { 2 | font-family: 'phpdocumentor-clean-icons'; 3 | src:url('fonts/phpdocumentor-clean-icons.eot'); 4 | src:url('fonts/phpdocumentor-clean-icons.eot?#iefix') format('embedded-opentype'), 5 | url('fonts/phpdocumentor-clean-icons.woff') format('woff'), 6 | url('fonts/phpdocumentor-clean-icons.ttf') format('truetype'), 7 | url('fonts/phpdocumentor-clean-icons.svg#phpdocumentor-clean-icons') format('svg'); 8 | font-weight: normal; 9 | font-style: normal; 10 | } 11 | 12 | /* Use the following CSS code if you want to use data attributes for inserting your icons */ 13 | [data-icon]:before { 14 | font-family: 'phpdocumentor-clean-icons'; 15 | content: attr(data-icon); 16 | speak: none; 17 | font-weight: normal; 18 | font-variant: normal; 19 | text-transform: none; 20 | line-height: 1; 21 | -webkit-font-smoothing: antialiased; 22 | } 23 | 24 | /* Use the following CSS code if you want to have a class per icon */ 25 | /* 26 | Instead of a list of all class selectors, 27 | you can use the generic selector below, but it's slower: 28 | [class*="icon-"] { 29 | */ 30 | .icon-trait, .icon-interface, .icon-class { 31 | font-family: 'phpdocumentor-clean-icons'; 32 | speak: none; 33 | font-style: normal; 34 | font-weight: normal; 35 | font-variant: normal; 36 | text-transform: none; 37 | line-height: 1; 38 | -webkit-font-smoothing: antialiased; 39 | } 40 | .icon-trait:before { 41 | content: "\e000"; 42 | } 43 | .icon-interface:before { 44 | content: "\e001"; 45 | } 46 | .icon-class:before { 47 | content: "\e002"; 48 | } 49 | -------------------------------------------------------------------------------- /docs/css/prism.css: -------------------------------------------------------------------------------- 1 | /** 2 | * prism.js default theme for JavaScript, CSS and HTML 3 | * Based on dabblet (http://dabblet.com) 4 | * @author Lea Verou 5 | */ 6 | 7 | code[class*="language-"], 8 | pre[class*="language-"] { 9 | color: black; 10 | text-shadow: 0 1px white; 11 | font-family: Consolas, Monaco, 'Andale Mono', monospace; 12 | direction: ltr; 13 | text-align: left; 14 | white-space: pre; 15 | word-spacing: normal; 16 | 17 | -moz-tab-size: 4; 18 | -o-tab-size: 4; 19 | tab-size: 4; 20 | 21 | -webkit-hyphens: none; 22 | -moz-hyphens: none; 23 | -ms-hyphens: none; 24 | hyphens: none; 25 | } 26 | 27 | ::-moz-selection { 28 | text-shadow: none; 29 | background: #b3d4fc; 30 | } 31 | 32 | ::selection { 33 | text-shadow: none; 34 | background: #b3d4fc; 35 | } 36 | 37 | @media print { 38 | code[class*="language-"], 39 | pre[class*="language-"] { 40 | text-shadow: none; 41 | } 42 | } 43 | 44 | /* Code blocks */ 45 | pre[class*="language-"] { 46 | padding: 1em; 47 | margin: .5em 0; 48 | overflow: auto; 49 | } 50 | 51 | :not(pre) > code[class*="language-"], 52 | pre[class*="language-"] { 53 | background: #f5f2f0; 54 | } 55 | 56 | /* Inline code */ 57 | :not(pre) > code[class*="language-"] { 58 | padding: .1em; 59 | border-radius: .3em; 60 | } 61 | 62 | .token.comment, 63 | .token.prolog, 64 | .token.doctype, 65 | .token.cdata { 66 | color: slategray; 67 | } 68 | 69 | .token.punctuation { 70 | color: #999; 71 | } 72 | 73 | .namespace { 74 | opacity: .7; 75 | } 76 | 77 | .token.property, 78 | .token.tag, 79 | .token.boolean, 80 | .token.number { 81 | color: #905; 82 | } 83 | 84 | .token.selector, 85 | .token.attr-name, 86 | .token.string { 87 | color: #690; 88 | } 89 | 90 | .token.operator, 91 | .token.entity, 92 | .token.url, 93 | .language-css .token.string, 94 | .style .token.string { 95 | color: #a67f59; 96 | background: hsla(0,0%,100%,.5); 97 | } 98 | 99 | .token.atrule, 100 | .token.attr-value, 101 | .token.keyword { 102 | color: #07a; 103 | } 104 | 105 | 106 | .token.regex, 107 | .token.important { 108 | color: #e90; 109 | } 110 | 111 | .token.important { 112 | font-weight: bold; 113 | } 114 | 115 | .token.entity { 116 | cursor: help; 117 | } 118 | pre[data-line] { 119 | position: relative; 120 | padding: 1em 0 1em 3em; 121 | } 122 | 123 | .line-highlight { 124 | position: absolute; 125 | left: 0; 126 | right: 0; 127 | padding: inherit 0; 128 | margin-top: 1em; /* Same as .prism’s padding-top */ 129 | 130 | background: hsla(24, 20%, 50%,.08); 131 | background: -moz-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0)); 132 | background: -webkit-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0)); 133 | background: -o-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0)); 134 | background: linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0)); 135 | 136 | pointer-events: none; 137 | 138 | line-height: inherit; 139 | white-space: pre; 140 | } 141 | 142 | .line-highlight:before, 143 | .line-highlight[data-end]:after { 144 | content: attr(data-start); 145 | position: absolute; 146 | top: .4em; 147 | left: .6em; 148 | min-width: 1em; 149 | padding: 0 .5em; 150 | background-color: hsla(24, 20%, 50%,.4); 151 | color: hsl(24, 20%, 95%); 152 | font: bold 65%/1.5 sans-serif; 153 | text-align: center; 154 | vertical-align: .3em; 155 | border-radius: 999px; 156 | text-shadow: none; 157 | box-shadow: 0 1px white; 158 | } 159 | 160 | .line-highlight[data-end]:after { 161 | content: attr(data-end); 162 | top: auto; 163 | bottom: .4em; 164 | } 165 | pre.line-numbers { 166 | position: relative; 167 | padding-left: 3.8em; 168 | counter-reset: linenumber; 169 | } 170 | 171 | pre.line-numbers > code { 172 | position: relative; 173 | } 174 | 175 | .line-numbers .line-numbers-rows { 176 | position: absolute; 177 | pointer-events: none; 178 | top: 0; 179 | font-size: 100%; 180 | left: -3.8em; 181 | width: 3em; /* works for line-numbers below 1000 lines */ 182 | letter-spacing: -1px; 183 | border-right: 1px solid #999; 184 | 185 | -webkit-user-select: none; 186 | -moz-user-select: none; 187 | -ms-user-select: none; 188 | user-select: none; 189 | 190 | } 191 | 192 | .line-numbers-rows > span { 193 | pointer-events: none; 194 | display: block; 195 | counter-increment: linenumber; 196 | } 197 | 198 | .line-numbers-rows > span:before { 199 | content: counter(linenumber); 200 | color: #999; 201 | display: block; 202 | padding-right: 0.8em; 203 | text-align: right; 204 | } 205 | -------------------------------------------------------------------------------- /docs/css/template.css: -------------------------------------------------------------------------------- 1 | @import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro); 2 | @import url('phpdocumentor-clean-icons/style.css'); 3 | 4 | body { 5 | padding-top: 40px; 6 | background-color: #333333; 7 | } 8 | 9 | a { 10 | color: #6495ed; 11 | } 12 | a.anchor { 13 | height: 40px; 14 | margin-top: -40px; 15 | display: block; 16 | } 17 | 18 | h1, h2, h3, h4, h5, h6, .brand { 19 | font-family: 'Source Sans Pro', sans-serif; 20 | font-weight: normal; 21 | letter-spacing: 0.05em; 22 | } 23 | 24 | h2, h3, .detailsbar h1 { 25 | overflow: hidden; 26 | white-space: nowrap; 27 | margin: 30px 0 20px 0; 28 | } 29 | 30 | h2:after, h3:after, .detailsbar h1:after { 31 | content: ''; 32 | display: inline-block; 33 | vertical-align: middle; 34 | width: 100%; 35 | height: 2px; 36 | margin-left: 1em; 37 | background: silver; 38 | } 39 | 40 | h3 { 41 | margin: 10px 0 20px 0; 42 | } 43 | 44 | h4 { 45 | margin: 20px 0 10px 0; 46 | color: gray; 47 | font-size: 18.5px; 48 | } 49 | 50 | h3.public, h3.protected, h3.private { 51 | padding-left: 10px; 52 | text-overflow: ellipsis; 53 | } 54 | 55 | .table tr:first-of-type th, .table tr:first-of-type td { 56 | border-top: none; 57 | } 58 | .detailsbar { 59 | color: #eeeeee; 60 | background-color: #333333; 61 | font-size: 0.9em; 62 | overflow: hidden; 63 | border-left: 2px solid gray; 64 | } 65 | 66 | .detailsbar h1 { 67 | font-size: 1.5em; 68 | margin-bottom: 20px; 69 | margin-top: 0; 70 | } 71 | 72 | .detailsbar h2 { 73 | font-size: 1.2em; 74 | margin: 0; 75 | padding: 0; 76 | } 77 | 78 | .detailsbar h1:after { 79 | background: gray; 80 | } 81 | .detailsbar h2:after, .detailsbar h3:after { 82 | background: transparent; 83 | } 84 | 85 | .detailsbar dt { 86 | font-variant: small-caps; 87 | text-transform: lowercase; 88 | font-size: 1.1em; 89 | letter-spacing: 0.1em; 90 | color: silver; 91 | } 92 | 93 | .hierarchy div:nth-of-type(2) { margin-left: 11px; } 94 | .hierarchy div:nth-of-type(3) { margin-left: 22px; } 95 | .hierarchy div:nth-of-type(4) { margin-left: 33px; } 96 | .hierarchy div:nth-of-type(5) { margin-left: 44px; } 97 | .hierarchy div:nth-of-type(6) { margin-left: 55px; } 98 | .hierarchy div:nth-of-type(7) { margin-left: 66px; } 99 | .hierarchy div:nth-of-type(8) { margin-left: 77px; } 100 | .hierarchy div:nth-of-type(9) { margin-left: 88px; } 101 | .hierarchy div:before { 102 | content: "\f0da"; 103 | font-family: FontAwesome; 104 | margin-right: 5px; 105 | } 106 | 107 | .row-fluid { 108 | background-color: white; 109 | overflow: hidden; 110 | } 111 | 112 | footer.row-fluid, footer.row-fluid * { 113 | background-color: #333333; 114 | color: white; 115 | } 116 | 117 | footer.row-fluid { 118 | border-top: 2px dashed #555; 119 | margin-top: 2px; 120 | } 121 | 122 | .footer-sections .span4 { 123 | border: 2px solid #555; 124 | text-align: center; 125 | border-radius: 10px; 126 | margin-top: 70px; 127 | margin-bottom: 20px; 128 | background: #373737; 129 | } 130 | 131 | .footer-sections .span4 h1 { 132 | background: transparent; 133 | margin-top: -30px; 134 | margin-bottom: 20px; 135 | font-size: 5em; 136 | } 137 | 138 | .footer-sections .span4 h1 * { 139 | background: transparent; 140 | } 141 | 142 | .footer-sections .span4 div { 143 | border-bottom-right-radius: 6px; 144 | border-bottom-left-radius: 6px; 145 | padding: 10px; 146 | min-height: 40px; 147 | } 148 | .footer-sections .span4 div, .footer-sections .span4 div * { 149 | background-color: #555; 150 | } 151 | .footer-sections .span4 ul { 152 | text-align: left; 153 | list-style: none; 154 | margin: 0; 155 | padding: 0; 156 | } 157 | 158 | .content { 159 | background-color: white; 160 | padding-right: 20px; 161 | } 162 | 163 | .content nav { 164 | text-align: center; 165 | border-bottom: 1px solid silver; 166 | margin: 5px 0 20px 0; 167 | padding-bottom: 5px; 168 | } 169 | 170 | .content > h1 { 171 | padding-bottom: 15px; 172 | } 173 | 174 | .content > h1 small { 175 | display: block; 176 | padding-bottom: 8px; 177 | font-size: 0.6em; 178 | } 179 | 180 | .deprecated { 181 | text-decoration: line-through; 182 | } 183 | 184 | .method { 185 | margin-bottom: 20px; 186 | } 187 | 188 | .method .signature .argument { 189 | color: maroon; 190 | font-weight: bold; 191 | } 192 | 193 | .class #summary section.row-fluid { 194 | overflow: hidden 195 | } 196 | 197 | .class #summary .heading { 198 | font-weight: bold; 199 | text-align: center; 200 | } 201 | 202 | .class #summary section .span4 { 203 | padding: 3px; 204 | overflow: hidden; 205 | margin-bottom: -9999px; 206 | padding-bottom: 9999px; 207 | white-space: nowrap; 208 | text-overflow: ellipsis; 209 | border-left: 5px solid transparent; 210 | } 211 | 212 | .class #summary section.public .span4:first-of-type:before, 213 | .class #summary section.public .span6:first-of-type:before, 214 | h3.public:before { 215 | font-family: FontAwesome; 216 | content: "\f046"; 217 | color: green; 218 | display: inline-block; 219 | width: 1.2em; 220 | } 221 | 222 | .class #summary section .span4:first-of-type, 223 | .class #summary section .span6:first-of-type { 224 | padding-left: 21px; 225 | } 226 | .class #summary section .span4:first-of-type:before, 227 | .class #summary section .span6:first-of-type:before { 228 | margin-left: -21px; 229 | } 230 | .class #summary section.protected .span4:first-of-type:before, 231 | .class #summary section.protected .span6:first-of-type:before, 232 | h3.protected:before { 233 | font-family: FontAwesome; 234 | content: "\f132"; 235 | color: orange; 236 | display: inline-block; 237 | width: 1.2em; 238 | } 239 | 240 | .class #summary section.private .span4:first-of-type:before, 241 | .class #summary section.private .span6:first-of-type:before, 242 | h3.private:before { 243 | font-family: FontAwesome; 244 | content: "\f023"; 245 | color: red; 246 | display: inline-block; 247 | width: 1.2em; 248 | } 249 | 250 | .class #summary section em { 251 | font-size: 0.9em; 252 | color: silver; 253 | } 254 | .class #summary .inherited { 255 | color: gray; 256 | font-style: italic; 257 | } 258 | 259 | .accordion-group { 260 | border: none; 261 | } 262 | 263 | .accordion { 264 | margin-bottom: 0; 265 | } 266 | 267 | .accordion a:hover { 268 | text-decoration: none; 269 | background: #333333; 270 | color: #eeeeee; 271 | } 272 | 273 | .accordion-heading .accordion-toggle:before { 274 | content: "\f078"; 275 | font-family: FontAwesome; 276 | margin-right: 5px; 277 | } 278 | 279 | .accordion-heading .accordion-toggle.collapsed:before { 280 | content: "\f054"; 281 | } 282 | .accordion-heading .accordion-toggle { 283 | float: left; 284 | width: 16px; 285 | height: 16px; 286 | padding: 4px 2px 4px 12px; 287 | } 288 | .accordion-heading a { 289 | display: block; 290 | padding: 4px 12px; 291 | } 292 | 293 | .accordion-inner a { 294 | display: block; 295 | padding: 4px 12px; 296 | } 297 | 298 | .accordion-inner > ul a:before { 299 | font-family: 'phpdocumentor-clean-icons'; 300 | content: "\e001"; 301 | margin-right: 5px; 302 | } 303 | 304 | .accordion-inner li.class a:before { 305 | content: "\e002"; 306 | } 307 | 308 | .accordion-inner li.interface a:before { 309 | content: "\e001"; 310 | } 311 | 312 | .accordion-inner li.trait a:before { 313 | content: "\e000"; 314 | } 315 | 316 | .accordion-inner { 317 | padding: 4px 0 4px 12px; 318 | } 319 | .accordion-inner ul { 320 | list-style: none; 321 | padding: 0; 322 | margin: 0; 323 | } 324 | 325 | .row-fluid .span2 { 326 | width: 16.5%; 327 | } 328 | 329 | body .modal { 330 | width: 90%; /* desired relative width */ 331 | left: 5%; /* (100%-width)/2 */ 332 | /* place center */ 333 | margin-left:auto; 334 | margin-right:auto; 335 | } 336 | 337 | @media (min-width: 767px) { 338 | .sidebar { 339 | position: fixed; 340 | top: 40px; 341 | bottom: 0; 342 | background-color: #f3f3f3; 343 | left: 0; 344 | border-right: 1px solid #e9e9e9; 345 | overflow-y: scroll; 346 | overflow-x: hidden; 347 | padding-top: 10px; 348 | } 349 | 350 | .sidebar::-webkit-scrollbar { 351 | width: 10px; 352 | } 353 | 354 | .sidebar::-webkit-scrollbar-thumb { 355 | background: #cccccc; 356 | background-clip: padding-box; 357 | border: 3px solid #f3f3f3; 358 | border-radius: 5px; 359 | } 360 | 361 | .sidebar::-webkit-scrollbar-button { 362 | display: none; 363 | } 364 | 365 | .sidebar::-webkit-scrollbar-track { 366 | background: #f3f3f3; 367 | } 368 | } 369 | 370 | @media (max-width: 979px) { 371 | body { 372 | padding-top: 0; 373 | } 374 | } 375 | 376 | @media (max-width: 767px) { 377 | .class #summary .heading { 378 | display: none; 379 | } 380 | 381 | .detailsbar h1 { 382 | display: none; 383 | } 384 | 385 | body { 386 | background-color: white; 387 | } 388 | 389 | footer.row-fluid, footer.row-fluid * { 390 | background-color: white; 391 | } 392 | 393 | .footer-sections h1 { 394 | color: #ccccd9; 395 | } 396 | 397 | .detailsbar { 398 | background-color: white; 399 | color: #333; 400 | border: none; 401 | } 402 | } 403 | 404 | @media (min-width: 767px) { 405 | .detailsbar { 406 | min-height: 100%; 407 | margin-bottom: -99999px; 408 | padding-bottom: 99999px; 409 | padding-left: 20px; 410 | padding-top: 10px; 411 | } 412 | } 413 | 414 | @media (min-width: 1200px) { 415 | .row-fluid .span2 { 416 | width: 16.5%; 417 | } 418 | } 419 | -------------------------------------------------------------------------------- /docs/files/ImageCache.php.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | API Documentation 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
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ImageCache.php

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The primary class file for PHP Image Compressor & Caching

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This file is to be used in any PHP project that requires image compression

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Classes

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ImageCache
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279 | 280 | 281 | 282 | -------------------------------------------------------------------------------- /docs/files/ImageCache.php.txt: -------------------------------------------------------------------------------- 1 | 9 | * @license http://freedomdefined.org/Licenses/CC-BY MIT 10 | * @version GIT: 1.0.0 11 | * 12 | * http://dtbaker.net/web-development/how-to-cache-images-generated-by-php/ 13 | */ 14 | 15 | ob_start(); 16 | 17 | class ImageCache 18 | { 19 | 20 | const memory_value = 128; 21 | 22 | /** 23 | * Stores the image source given for reference 24 | */ 25 | public $image_src; 26 | 27 | /** 28 | * If the file is remote or not 29 | */ 30 | public $is_remote; 31 | 32 | /** 33 | * Allow the user to set the options for the setup 34 | */ 35 | public $options; 36 | 37 | /** 38 | * The location of the cached images directory 39 | */ 40 | public $cached_image_directory; 41 | 42 | /** 43 | * The name of the cached file 44 | */ 45 | public $cached_filename; 46 | 47 | /** 48 | * Stores the server's version of the GD Library, if enabled 49 | */ 50 | private $gd_version; 51 | 52 | /** 53 | * The memory limit currently established on the server 54 | */ 55 | private $memory_limit; 56 | 57 | /** 58 | * The file mime type 59 | */ 60 | private $file_mime_type; 61 | 62 | /** 63 | * The extension of the file 64 | */ 65 | private $file_extension; 66 | 67 | /** 68 | * The original size of the file 69 | */ 70 | private $local_image_src; 71 | 72 | /** 73 | * The original size of the file 74 | */ 75 | private $src_filesize; 76 | 77 | /** 78 | * The extension of the file 79 | */ 80 | private $cached_filesize; 81 | 82 | /** 83 | * Constructor function 84 | * 85 | * @param array $options Options include the keys 'echo' (boolean) and 'cache_time' (integer). 'cache_time' is currently not employed, but in place for future reference. 86 | * @return object Returns the class object for the user to reference it in the future. 87 | */ 88 | public function __construct( $options = array() ) 89 | { 90 | if( ! $this->can_run_image_cache() ) 91 | $this->error( 'PHP Image Cache must be run on a server with a bundled GD version.' ); 92 | $defaults = array( 93 | 'echo' => false, // Determines whether the resulting source should be echoed or returned 94 | 'cache_time' => 0 // How long the image should be cached for. If the value is 0, then the cache never expires. Default is 0, never expires. 95 | ); 96 | $this->options = (object) array_merge( $defaults, $options ); 97 | if(!$this->cached_image_directory) { 98 | $this->cached_image_directory = dirname(__FILE__) . '/php-image-cache'; 99 | } 100 | return $this; 101 | } 102 | 103 | /** 104 | * Validates whether the user can use this class or not, based on the GD Version their server is carrying. 105 | * 106 | * @return bool 107 | */ 108 | public function can_run_image_cache() 109 | { 110 | $gd_info = gd_info(); 111 | $this->gd_version = false; 112 | if( preg_match( '#bundled \((.+)\)$#i', $gd_info['GD Version'], $matches ) ) { 113 | $this->gd_version = (float) $matches[1]; 114 | } else { 115 | $this->gd_version = (float) substr( $gd_info['GD Version'], 0, 3 ); 116 | } 117 | return (bool) $this->gd_version; 118 | } 119 | 120 | /** 121 | * Caches the image. When using this method, the image will be compressed and then cached. 122 | * 123 | * @return string The source file to be referenced after compressing an image 124 | */ 125 | public function cache( $image ) 126 | { 127 | if( ! is_string( $image ) ) 128 | $this->error( 'Image source given must be a string.' ); 129 | 130 | $this->image_src = strtolower( $image ); 131 | $this->pre_set_class_vars(); 132 | 133 | // If the image hasn't been server up at this point, fetch, compress, cache, and return 134 | if( $this->cached_file_exists() ) { 135 | $this->src_filesize = filesize( $this->image_src ); 136 | $this->cached_filesize = filesize( $this->cached_filename ); 137 | if( $this->src_filesize < $this->cached_filesize ) { 138 | return $this->docroot_to_url( $this->image_src ); 139 | } 140 | return $this->docroot_to_url(); 141 | } 142 | if($this->is_remote) { 143 | $this->download_image(); 144 | } 145 | if( ! $this->fetch_image() ) 146 | $this->error( 'Could not copy image resource.' ); 147 | $this->src_filesize = filesize( $this->image_src ); 148 | $this->cached_filesize = filesize( $this->cached_filename ); 149 | if( $this->src_filesize < $this->cached_filesize ) { 150 | return $this->docroot_to_url( $this->image_src ); 151 | } 152 | return $this->docroot_to_url(); 153 | } 154 | 155 | /** 156 | * Downloads a remote file and stores it locally to be used for compression 157 | */ 158 | private function download_image() 159 | { 160 | $image_resource = file_get_contents( $this->image_src ); 161 | $basename = basename($this->image_src); 162 | if( ! stripos( $basename, '.' . $this->file_extension ) ) { 163 | $basename .= '.' . $this->file_extension; 164 | } 165 | $image_location = dirname( $this->cached_image_directory ) . '/' . $basename; 166 | if( ! file_exists( $image_location ) ) { 167 | if( ! file_put_contents( $image_location, $image_resource ) ) { 168 | $this->error( 'Could not download the remote image' ); 169 | } 170 | } 171 | $this->image_src = $image_location; 172 | } 173 | 174 | /** 175 | * Creates the cached directory 176 | * 177 | * @return bool If the directory was successfully created or not 178 | */ 179 | private function make_cache_directory() 180 | { 181 | if( is_dir( $this->cached_image_directory ) ) { 182 | return true; 183 | } 184 | try { 185 | mkdir( $this->cached_image_directory ); 186 | } catch (Exception $e) { 187 | $this->error( 'There was an error creating the new directory:', $e ); 188 | return false; 189 | } 190 | return true; 191 | } 192 | 193 | /** 194 | * Fetch the image as a resource and save it into the cache directory. 195 | * 196 | * @source http://stackoverflow.com/questions/9839150/image-compression-in-php 197 | * @return If the image was successfully created or not 198 | */ 199 | private function fetch_image() 200 | { 201 | $image_size = getimagesize( $this->image_src ); 202 | $image_width = $image_size[0]; 203 | $image_height = $image_size[1]; 204 | $file_mime_as_ext = end( @explode( '/', $this->file_mime_type ) ); 205 | $image_dest_func = 'imagecreate'; 206 | if( $this->gd_version >= 2 ) 207 | $image_dest_func = 'imagecreatetruecolor'; 208 | if( in_array( $file_mime_as_ext, array( 'gif', 'jpeg', 'png' ) ) ) { 209 | $image_src_func = 'imagecreatefrom' . $this->file_extension; 210 | $image_create_func = 'image' . $this->file_extension; 211 | } else { 212 | $this->error('The image you supply must have a .gif, .jpg/.jpeg, or .png extension.'); 213 | return false; 214 | } 215 | $image_src = @call_user_func( $image_src_func, $this->image_src ); 216 | $image_dest = @call_user_func( $image_dest_func, $image_width, $image_height ); 217 | $this->increase_memory_limit(); 218 | if( $file_mime_as_ext === 'jpeg' ) { 219 | $background = imagecolorallocate( $image_dest, 255, 255, 255 ); 220 | imagefill( $image_dest, 0, 0, $background ); 221 | } elseif( in_array( $file_mime_as_ext, array( 'gif', 'png' ) ) ) { 222 | imagealphablending( $image_src, false ); 223 | imagesavealpha( $image_src, true ); 224 | imagealphablending( $image_dest, false ); 225 | imagesavealpha( $image_dest, true ); 226 | } 227 | imagecopy( $image_dest, $image_src, 0, 0, 0, 0, $image_width, $image_width ); 228 | switch( $file_mime_as_ext ) { 229 | case 'jpeg': 230 | $created = imagejpeg( $image_dest, $this->cached_filename, 85 ); 231 | break; 232 | case 'png': 233 | $created = imagepng( $image_dest, $this->cached_filename, 8 ); 234 | break; 235 | case 'gif': 236 | $created = imagegif( $image_dest, $this->cached_filename ); 237 | break; 238 | default: 239 | return false; 240 | break; 241 | } 242 | imagedestroy( $image_src ); 243 | imagedestroy( $image_dest ); 244 | $this->reset_memory_limit(); 245 | return $created; 246 | } 247 | 248 | /** 249 | * Returns 250 | * 251 | * @param string $url The url to check validate 252 | * @return string The URL of the image 253 | */ 254 | private function docroot_to_url($src = null) 255 | { 256 | if( is_null( $src ) ) { 257 | $src = $this->cached_filename; 258 | } 259 | $url = '//' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; 260 | $image_path = str_replace($_SERVER['DOCUMENT_ROOT'], '', $src); 261 | $image_url = $url . substr($image_path, 1); 262 | if($this->link_is_broken($image_url)) { 263 | $this->error('Final image URL is broken'); 264 | } 265 | return $image_url; 266 | } 267 | 268 | /** 269 | * Sets up all class variables in one central function. 270 | */ 271 | private function pre_set_class_vars() 272 | { 273 | $this->set_file_mime_type(); 274 | $this->set_cached_filename(); 275 | $this->set_memory_limit(); 276 | $this->set_is_remote(); 277 | } 278 | 279 | /** 280 | * Utility function to determine of the link in question is broken or not. 281 | * 282 | * @param string $url The url to check validate 283 | * @return bool Indicates whether or not the link is broken 284 | */ 285 | private function link_is_broken( $url ) 286 | { 287 | if( ! function_exists( 'curl_init' ) ) 288 | return false; 289 | $ch = curl_init( $url ); 290 | curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); 291 | curl_exec( $ch ); 292 | $http_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE ); 293 | if($http_code == 404) { 294 | $broken = true; 295 | } else { 296 | $broken = false; 297 | } 298 | curl_close( $ch ); 299 | return $broken; 300 | } 301 | 302 | /** 303 | * Quick and dirty way to see if the file is remote or local. Deeper checking comes 304 | * later if we don't find a compressed version of the file locally. 305 | * 306 | * @return bool Whether or not the image is remote 307 | */ 308 | private function is_image_local() 309 | { 310 | if( file_exists( $this->image_src ) ) 311 | return true; 312 | $parsed_src = parse_url( $this->image_src ); 313 | if( $_SERVER['HTTP_HOST'] === $parsed_src['host'] ) 314 | return true; 315 | return false; 316 | } 317 | 318 | /** 319 | * Determines if the image is local or being referenced from a remote URL 320 | */ 321 | private function set_is_remote() 322 | { 323 | $this->is_remote = ! $this->is_image_local(); 324 | } 325 | 326 | /** 327 | * This function creates the filename of the new image using an MD5 hash of the original filename. This helps to create a unique 328 | * filename for the newly compressed image so that this class can easily find and determine if the image has already been compressed and stored locally. 329 | * 330 | * Employing use of the "alt" and "title" tags on the image (which hopefully you're already doing) will negate any potentially negative impacts on SEO. See 331 | * this article for more information: http://searchenginewatch.com/article/2120682/Image-Optimization-How-to-Rank-on-Image-Search 332 | */ 333 | private function set_cached_filename() 334 | { 335 | $pathinfo = pathinfo( $this->image_src ); 336 | $this->cached_filename = $this->cached_image_directory . '/' . md5( basename( $this->image_src ) ) . '.' . $this->file_extension; 337 | } 338 | 339 | /** 340 | * Simply determines if a compressed of the image that's sent is already compressed or not. 341 | */ 342 | private function cached_file_exists() 343 | { 344 | if($this->is_remote) { 345 | $this->download_image(); 346 | } 347 | if( file_exists( $this->cached_filename ) ) 348 | return true; 349 | return false; 350 | } 351 | 352 | /** 353 | * Stores the file's mime type and validates that the file being compressed is indeed an image. 354 | */ 355 | private function set_file_mime_type() 356 | { 357 | $image_type = exif_imagetype( $this->image_src ); 358 | if( ! $image_type ) 359 | $this->error( 'The file you supplied isn\'t a valid image.' ); 360 | $this->file_mime_type = image_type_to_mime_type( $image_type ); 361 | $this->file_extension = image_type_to_extension( $image_type, false ); 362 | } 363 | 364 | /** 365 | * Stores the original value of the server's memory limit 366 | */ 367 | private function set_memory_limit() 368 | { 369 | $this->memory_limit = (int) ini_get('memory_limit'); 370 | } 371 | 372 | /** 373 | * Temporarily increases the servers memory limit to 2480 MB to handle building larger images. 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190 | 191 | 192 | 193 | -------------------------------------------------------------------------------- /docs/js/jquery.dotdotdot-1.5.9.js: -------------------------------------------------------------------------------- 1 | /* 2 | * jQuery dotdotdot 1.5.9 3 | * 4 | * Copyright (c) 2013 Fred Heusschen 5 | * www.frebsite.nl 6 | * 7 | * Plugin website: 8 | * dotdotdot.frebsite.nl 9 | * 10 | * Dual licensed under the MIT and GPL licenses. 11 | * http://en.wikipedia.org/wiki/MIT_License 12 | * http://en.wikipedia.org/wiki/GNU_General_Public_License 13 | */ 14 | 15 | (function( $ ) 16 | { 17 | if ( $.fn.dotdotdot ) 18 | { 19 | return; 20 | } 21 | 22 | $.fn.dotdotdot = function( o ) 23 | { 24 | if ( this.length == 0 ) 25 | { 26 | if ( !o || o.debug !== false ) 27 | { 28 | debug( true, 'No element found for "' + this.selector + '".' ); 29 | } 30 | return this; 31 | } 32 | if ( this.length > 1 ) 33 | { 34 | return this.each( 35 | function() 36 | { 37 | $(this).dotdotdot( o ); 38 | } 39 | ); 40 | } 41 | 42 | 43 | var $dot = this; 44 | 45 | if ( $dot.data( 'dotdotdot' ) ) 46 | { 47 | $dot.trigger( 'destroy.dot' ); 48 | } 49 | 50 | $dot.data( 'dotdotdot-style', $dot.attr( 'style' ) ); 51 | $dot.css( 'word-wrap', 'break-word' ); 52 | 53 | $dot.bind_events = function() 54 | { 55 | $dot.bind( 56 | 'update.dot', 57 | function( e, c ) 58 | { 59 | e.preventDefault(); 60 | e.stopPropagation(); 61 | 62 | opts.maxHeight = ( typeof opts.height == 'number' ) 63 | ? opts.height 64 | : getTrueInnerHeight( $dot ); 65 | 66 | opts.maxHeight += opts.tolerance; 67 | 68 | if ( typeof c != 'undefined' ) 69 | { 70 | if ( typeof c == 'string' || c instanceof HTMLElement ) 71 | { 72 | c = $('
').append( c ).contents(); 73 | } 74 | if ( c instanceof $ ) 75 | { 76 | orgContent = c; 77 | } 78 | } 79 | 80 | $inr = $dot.wrapInner( '
' ).children(); 81 | $inr.empty() 82 | .append( orgContent.clone( true ) ) 83 | .css({ 84 | 'height' : 'auto', 85 | 'width' : 'auto', 86 | 'border' : 'none', 87 | 'padding' : 0, 88 | 'margin' : 0 89 | }); 90 | 91 | var after = false, 92 | trunc = false; 93 | 94 | if ( conf.afterElement ) 95 | { 96 | after = conf.afterElement.clone( true ); 97 | conf.afterElement.remove(); 98 | } 99 | if ( test( $inr, opts ) ) 100 | { 101 | if ( opts.wrap == 'children' ) 102 | { 103 | trunc = children( $inr, opts, after ); 104 | } 105 | else 106 | { 107 | trunc = ellipsis( $inr, $dot, $inr, opts, after ); 108 | } 109 | } 110 | $inr.replaceWith( $inr.contents() ); 111 | $inr = null; 112 | 113 | if ( $.isFunction( opts.callback ) ) 114 | { 115 | opts.callback.call( $dot[ 0 ], trunc, orgContent ); 116 | } 117 | 118 | conf.isTruncated = trunc; 119 | return trunc; 120 | } 121 | 122 | ).bind( 123 | 'isTruncated.dot', 124 | function( e, fn ) 125 | { 126 | e.preventDefault(); 127 | e.stopPropagation(); 128 | 129 | if ( typeof fn == 'function' ) 130 | { 131 | fn.call( $dot[ 0 ], conf.isTruncated ); 132 | } 133 | return conf.isTruncated; 134 | } 135 | 136 | ).bind( 137 | 'originalContent.dot', 138 | function( e, fn ) 139 | { 140 | e.preventDefault(); 141 | e.stopPropagation(); 142 | 143 | if ( typeof fn == 'function' ) 144 | { 145 | fn.call( $dot[ 0 ], orgContent ); 146 | } 147 | return orgContent; 148 | } 149 | 150 | ).bind( 151 | 'destroy.dot', 152 | function( e ) 153 | { 154 | e.preventDefault(); 155 | e.stopPropagation(); 156 | 157 | $dot.unwatch() 158 | .unbind_events() 159 | .empty() 160 | .append( orgContent ) 161 | .attr( 'style', $dot.data( 'dotdotdot-style' ) ) 162 | .data( 'dotdotdot', false ); 163 | } 164 | ); 165 | return $dot; 166 | }; // /bind_events 167 | 168 | $dot.unbind_events = function() 169 | { 170 | $dot.unbind('.dot'); 171 | return $dot; 172 | }; // /unbind_events 173 | 174 | $dot.watch = function() 175 | { 176 | $dot.unwatch(); 177 | if ( opts.watch == 'window' ) 178 | { 179 | var $window = $(window), 180 | _wWidth = $window.width(), 181 | _wHeight = $window.height(); 182 | 183 | $window.bind( 184 | 'resize.dot' + conf.dotId, 185 | function() 186 | { 187 | if ( _wWidth != $window.width() || _wHeight != $window.height() || !opts.windowResizeFix ) 188 | { 189 | _wWidth = $window.width(); 190 | _wHeight = $window.height(); 191 | 192 | if ( watchInt ) 193 | { 194 | clearInterval( watchInt ); 195 | } 196 | watchInt = setTimeout( 197 | function() 198 | { 199 | $dot.trigger( 'update.dot' ); 200 | }, 10 201 | ); 202 | } 203 | } 204 | ); 205 | } 206 | else 207 | { 208 | watchOrg = getSizes( $dot ); 209 | watchInt = setInterval( 210 | function() 211 | { 212 | var watchNew = getSizes( $dot ); 213 | if ( watchOrg.width != watchNew.width || 214 | watchOrg.height != watchNew.height ) 215 | { 216 | $dot.trigger( 'update.dot' ); 217 | watchOrg = getSizes( $dot ); 218 | } 219 | }, 100 220 | ); 221 | } 222 | return $dot; 223 | }; 224 | $dot.unwatch = function() 225 | { 226 | $(window).unbind( 'resize.dot' + conf.dotId ); 227 | if ( watchInt ) 228 | { 229 | clearInterval( watchInt ); 230 | } 231 | return $dot; 232 | }; 233 | 234 | var orgContent = $dot.contents(), 235 | opts = $.extend( true, {}, $.fn.dotdotdot.defaults, o ), 236 | conf = {}, 237 | watchOrg = {}, 238 | watchInt = null, 239 | $inr = null; 240 | 241 | conf.afterElement = getElement( opts.after, $dot ); 242 | conf.isTruncated = false; 243 | conf.dotId = dotId++; 244 | 245 | 246 | $dot.data( 'dotdotdot', true ) 247 | .bind_events() 248 | .trigger( 'update.dot' ); 249 | 250 | if ( opts.watch ) 251 | { 252 | $dot.watch(); 253 | } 254 | 255 | return $dot; 256 | }; 257 | 258 | 259 | // public 260 | $.fn.dotdotdot.defaults = { 261 | 'ellipsis' : '... ', 262 | 'wrap' : 'word', 263 | 'lastCharacter': { 264 | 'remove' : [ ' ', ',', ';', '.', '!', '?' ], 265 | 'noEllipsis' : [] 266 | }, 267 | 'tolerance' : 0, 268 | 'callback' : null, 269 | 'after' : null, 270 | 'height' : null, 271 | 'watch' : false, 272 | 'windowResizeFix': true, 273 | 'debug' : false 274 | }; 275 | 276 | 277 | // private 278 | var dotId = 1; 279 | 280 | function children( $elem, o, after ) 281 | { 282 | var $elements = $elem.children(), 283 | isTruncated = false; 284 | 285 | $elem.empty(); 286 | 287 | for ( var a = 0, l = $elements.length; a < l; a++ ) 288 | { 289 | var $e = $elements.eq( a ); 290 | $elem.append( $e ); 291 | if ( after ) 292 | { 293 | $elem.append( after ); 294 | } 295 | if ( test( $elem, o ) ) 296 | { 297 | $e.remove(); 298 | isTruncated = true; 299 | break; 300 | } 301 | else 302 | { 303 | if ( after ) 304 | { 305 | after.remove(); 306 | } 307 | } 308 | } 309 | return isTruncated; 310 | } 311 | function ellipsis( $elem, $d, $i, o, after ) 312 | { 313 | var $elements = $elem.contents(), 314 | isTruncated = false; 315 | 316 | $elem.empty(); 317 | 318 | var notx = 'table, thead, tbody, tfoot, tr, col, colgroup, object, embed, param, ol, ul, dl, select, optgroup, option, textarea, script, style'; 319 | for ( var a = 0, l = $elements.length; a < l; a++ ) 320 | { 321 | 322 | if ( isTruncated ) 323 | { 324 | break; 325 | } 326 | 327 | var e = $elements[ a ], 328 | $e = $(e); 329 | 330 | if ( typeof e == 'undefined' ) 331 | { 332 | continue; 333 | } 334 | 335 | $elem.append( $e ); 336 | if ( after ) 337 | { 338 | $elem[ ( $elem.is( notx ) ) ? 'after' : 'append' ]( after ); 339 | } 340 | if ( e.nodeType == 3 ) 341 | { 342 | if ( test( $i, o ) ) 343 | { 344 | isTruncated = ellipsisElement( $e, $d, $i, o, after ); 345 | } 346 | } 347 | else 348 | { 349 | isTruncated = ellipsis( $e, $d, $i, o, after ); 350 | } 351 | 352 | if ( !isTruncated ) 353 | { 354 | if ( after ) 355 | { 356 | after.remove(); 357 | } 358 | } 359 | } 360 | return isTruncated; 361 | } 362 | function ellipsisElement( $e, $d, $i, o, after ) 363 | { 364 | var isTruncated = false, 365 | e = $e[ 0 ]; 366 | 367 | if ( typeof e == 'undefined' ) 368 | { 369 | return false; 370 | } 371 | 372 | var seporator = ( o.wrap == 'letter' ) ? '' : ' ', 373 | textArr = getTextContent( e ).split( seporator ), 374 | position = -1, 375 | midPos = -1, 376 | startPos = 0, 377 | endPos = textArr.length - 1; 378 | 379 | while ( startPos <= endPos ) 380 | { 381 | var m = Math.floor( ( startPos + endPos ) / 2 ); 382 | if ( m == midPos ) 383 | { 384 | break; 385 | } 386 | midPos = m; 387 | 388 | setTextContent( e, textArr.slice( 0, midPos + 1 ).join( seporator ) + o.ellipsis ); 389 | 390 | if ( !test( $i, o ) ) 391 | { 392 | position = midPos; 393 | startPos = midPos; 394 | } 395 | else 396 | { 397 | endPos = midPos; 398 | } 399 | } 400 | 401 | if ( position != -1 && !( textArr.length == 1 && textArr[ 0 ].length == 0 ) ) 402 | { 403 | var txt = addEllipsis( textArr.slice( 0, position + 1 ).join( seporator ), o ); 404 | isTruncated = true; 405 | setTextContent( e, txt ); 406 | } 407 | else 408 | { 409 | var $w = $e.parent(); 410 | $e.remove(); 411 | 412 | var afterLength = ( after ) ? after.length : 0 ; 413 | 414 | if ( $w.contents().size() > afterLength ) 415 | { 416 | var $n = $w.contents().eq( -1 - afterLength ); 417 | isTruncated = ellipsisElement( $n, $d, $i, o, after ); 418 | } 419 | else 420 | { 421 | var $p = $w.prev() 422 | var e = $p.contents().eq( -1 )[ 0 ]; 423 | 424 | if ( typeof e != 'undefined' ) 425 | { 426 | var txt = addEllipsis( getTextContent( e ), o ); 427 | setTextContent( e, txt ); 428 | if ( after ) 429 | { 430 | $p.append( after ); 431 | } 432 | $w.remove(); 433 | isTruncated = true; 434 | } 435 | 436 | } 437 | } 438 | 439 | return isTruncated; 440 | } 441 | function test( $i, o ) 442 | { 443 | return $i.innerHeight() > o.maxHeight; 444 | } 445 | function addEllipsis( txt, o ) 446 | { 447 | while( $.inArray( txt.slice( -1 ), o.lastCharacter.remove ) > -1 ) 448 | { 449 | txt = txt.slice( 0, -1 ); 450 | } 451 | if ( $.inArray( txt.slice( -1 ), o.lastCharacter.noEllipsis ) < 0 ) 452 | { 453 | txt += o.ellipsis; 454 | } 455 | return txt; 456 | } 457 | function getSizes( $d ) 458 | { 459 | return { 460 | 'width' : $d.innerWidth(), 461 | 'height': $d.innerHeight() 462 | }; 463 | } 464 | function setTextContent( e, content ) 465 | { 466 | if ( e.innerText ) 467 | { 468 | e.innerText = content; 469 | } 470 | else if ( e.nodeValue ) 471 | { 472 | e.nodeValue = content; 473 | } 474 | else if (e.textContent) 475 | { 476 | e.textContent = content; 477 | } 478 | 479 | } 480 | function getTextContent( e ) 481 | { 482 | if ( e.innerText ) 483 | { 484 | return e.innerText; 485 | } 486 | else if ( e.nodeValue ) 487 | { 488 | return e.nodeValue; 489 | } 490 | else if ( e.textContent ) 491 | { 492 | return e.textContent; 493 | } 494 | else 495 | { 496 | return ""; 497 | } 498 | } 499 | function getElement( e, $i ) 500 | { 501 | if ( typeof e == 'undefined' ) 502 | { 503 | return false; 504 | } 505 | if ( !e ) 506 | { 507 | return false; 508 | } 509 | if ( typeof e == 'string' ) 510 | { 511 | e = $(e, $i); 512 | return ( e.length ) 513 | ? e 514 | : false; 515 | } 516 | if ( typeof e == 'object' ) 517 | { 518 | return ( typeof e.jquery == 'undefined' ) 519 | ? false 520 | : e; 521 | } 522 | return false; 523 | } 524 | function getTrueInnerHeight( $el ) 525 | { 526 | var h = $el.innerHeight(), 527 | a = [ 'paddingTop', 'paddingBottom' ]; 528 | 529 | for ( var z = 0, l = a.length; z < l; z++ ) { 530 | var m = parseInt( $el.css( a[ z ] ), 10 ); 531 | if ( isNaN( m ) ) 532 | { 533 | m = 0; 534 | } 535 | h -= m; 536 | } 537 | return h; 538 | } 539 | function debug( d, m ) 540 | { 541 | if ( !d ) 542 | { 543 | return false; 544 | } 545 | if ( typeof m == 'string' ) 546 | { 547 | m = 'dotdotdot: ' + m; 548 | } 549 | else 550 | { 551 | m = [ 'dotdotdot:', m ]; 552 | } 553 | 554 | if ( typeof window.console != 'undefined' ) 555 | { 556 | if ( typeof window.console.log != 'undefined' ) 557 | { 558 | window.console.log( m ); 559 | } 560 | } 561 | return false; 562 | } 563 | 564 | 565 | // override jQuery.html 566 | var _orgHtml = $.fn.html; 567 | $.fn.html = function( str ) { 568 | if ( typeof str != 'undefined' ) 569 | { 570 | if ( this.data( 'dotdotdot' ) ) 571 | { 572 | if ( typeof str != 'function' ) 573 | { 574 | return this.trigger( 'update', [ str ] ); 575 | } 576 | } 577 | return _orgHtml.call( this, str ); 578 | } 579 | return _orgHtml.call( this ); 580 | }; 581 | 582 | 583 | // override jQuery.text 584 | var _orgText = $.fn.text; 585 | $.fn.text = function( str ) { 586 | if ( typeof str != 'undefined' ) 587 | { 588 | if ( this.data( 'dotdotdot' ) ) 589 | { 590 | var temp = $( '
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6 | Prism.languages.markup={comment:/<!--[\w\W]*?-->/g,prolog:/<\?.+?\?>/,doctype:/<!DOCTYPE.+?>/,cdata:/<!\[CDATA\[[\w\W]*?]]>/i,tag:{pattern:/<\/?[\w:-]+\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|\w+))?\s*)*\/?>/gi,inside:{tag:{pattern:/^<\/?[\w:-]+/i,inside:{punctuation:/^<\/?/,namespace:/^[\w-]+?:/}},"attr-value":{pattern:/=(?:('|")[\w\W]*?(\1)|[^\s>]+)/gi,inside:{punctuation:/=|>|"/g}},punctuation:/\/?>/g,"attr-name":{pattern:/[\w:-]+/g,inside:{namespace:/^[\w-]+?:/}}}},entity:/&#?[\da-z]{1,8};/gi};Prism.hooks.add("wrap",function(e){e.type==="entity"&&(e.attributes.title=e.content.replace(/&/,"&"))});; 7 | Prism.languages.css={comment:/\/\*[\w\W]*?\*\//g,atrule:{pattern:/@[\w-]+?.*?(;|(?=\s*{))/gi,inside:{punctuation:/[;:]/g}},url:/url\((["']?).*?\1\)/gi,selector:/[^\{\}\s][^\{\};]*(?=\s*\{)/g,property:/(\b|\B)[\w-]+(?=\s*:)/ig,string:/("|')(\\?.)*?\1/g,important:/\B!important\b/gi,ignore:/&(lt|gt|amp);/gi,punctuation:/[\{\};:]/g};Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<|<)style[\w\W]*?(>|>)[\w\W]*?(<|<)\/style(>|>)/ig,inside:{tag:{pattern:/(<|<)style[\w\W]*?(>|>)|(<|<)\/style(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.css}}});; 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10 | Prism.languages.javascript=Prism.languages.extend("clike",{keyword:/\b(var|let|if|else|while|do|for|return|in|instanceof|function|new|with|typeof|try|catch|finally|null|break|continue)\b/g,number:/\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?|NaN|-?Infinity)\b/g});Prism.languages.insertBefore("javascript","keyword",{regex:{pattern:/(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\r\n])+\/[gim]{0,3}(?=\s*($|[\r\n,.;})]))/g,lookbehind:!0}});Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{script:{pattern:/(<|<)script[\w\W]*?(>|>)[\w\W]*?(<|<)\/script(>|>)/ig,inside:{tag:{pattern:/(<|<)script[\w\W]*?(>|>)|(<|<)\/script(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.javascript}}});; 11 | Prism.languages.php=Prism.languages.extend("clike",{keyword:/\b(and|or|xor|array|as|break|case|cfunction|class|const|continue|declare|default|die|do|else|elseif|enddeclare|endfor|endforeach|endif|endswitch|endwhile|extends|for|foreach|function|include|include_once|global|if|new|return|static|switch|use|require|require_once|var|while|abstract|interface|public|implements|extends|private|protected|parent|static|throw|null|echo|print|trait|namespace|use|final|yield|goto|instanceof|finally|try|catch)\b/ig, constant:/\b[A-Z0-9_]{2,}\b/g});Prism.languages.insertBefore("php","keyword",{delimiter:/(\?>|<\?php|<\?)/ig,variable:/(\$\w+)\b/ig,"package":{pattern:/(\\|namespace\s+|use\s+)[\w\\]+/g,lookbehind:!0,inside:{punctuation:/\\/}}});Prism.languages.insertBefore("php","operator",{property:{pattern:/(->)[\w]+/g,lookbehind:!0}}); Prism.languages.markup&&(Prism.hooks.add("before-highlight",function(a){"php"===a.language&&(a.tokenStack=[],a.code=a.code.replace(/(?:<\?php|<\?|<\?php|<\?)[\w\W]*?(?:\?>|\?>)/ig,function(b){a.tokenStack.push(b);return"{{{PHP"+a.tokenStack.length+"}}}"}))}),Prism.hooks.add("after-highlight",function(a){if("php"===a.language){for(var b=0,c;c=a.tokenStack[b];b++)a.highlightedCode=a.highlightedCode.replace("{{{PHP"+(b+1)+"}}}",Prism.highlight(c,a.grammar,"php"));a.element.innerHTML=a.highlightedCode}}), Prism.hooks.add("wrap",function(a){"php"===a.language&&"markup"===a.type&&(a.content=a.content.replace(/(\{\{\{PHP[0-9]+\}\}\})/g,'$1'))}),Prism.languages.insertBefore("php","comment",{markup:{pattern:/(<|<)[^?]\/?(.*?)(>|>)/g,inside:Prism.languages.markup},php:/\{\{\{PHP[0-9]+\}\}\}/g}));; 12 | Prism.languages.insertBefore("php","variable",{"this":/\$this/g,global:/\$_?(GLOBALS|SERVER|GET|POST|FILES|REQUEST|SESSION|ENV|COOKIE|HTTP_RAW_POST_DATA|argc|argv|php_errormsg|http_response_header)/g,scope:{pattern:/\b[\w\\]+::/g,inside:{keyword:/(static|self|parent)/,punctuation:/(::|\\)/}}});; 13 | (function(){function e(e,t){return Array.prototype.slice.call((t||document).querySelectorAll(e))}function n(e,t,n){var r=t.replace(/\s+/g,"").split(","),i=+e.getAttribute("data-line-offset")||0,s=parseFloat(getComputedStyle(e).lineHeight);for(var o=0,u;u=r[o++];){u=u.split("-");var a=+u[0],f=+u[1]||a,l=document.createElement("div");l.textContent=Array(f-a+2).join(" \r\n");l.className=(n||"")+" line-highlight";l.setAttribute("data-start",a);f>a&&l.setAttribute("data-end",f);l.style.top=(a-i-1)*s+"px";(e.querySelector("code")||e).appendChild(l)}}function r(){var t=location.hash.slice(1);e(".temporary.line-highlight").forEach(function(e){e.parentNode.removeChild(e)});var r=(t.match(/\.([\d,-]+)$/)||[,""])[1];if(!r||document.getElementById(t))return;var i=t.slice(0,t.lastIndexOf(".")),s=document.getElementById(i);if(!s)return;s.hasAttribute("data-line")||s.setAttribute("data-line","");n(s,r,"temporary ");document.querySelector(".temporary.line-highlight").scrollIntoView()}if(!window.Prism)return;var t=crlf=/\r?\n|\r/g,i=0;Prism.hooks.add("after-highlight",function(t){var s=t.element.parentNode,o=s&&s.getAttribute("data-line");if(!s||!o||!/pre/i.test(s.nodeName))return;clearTimeout(i);e(".line-highlight",s).forEach(function(e){e.parentNode.removeChild(e)});n(s,o);i=setTimeout(r,1)});addEventListener("hashchange",r)})();; 14 | Prism.hooks.add("after-highlight",function(e){var t=e.element.parentNode;if(!t||!/pre/i.test(t.nodeName)||t.className.indexOf("line-numbers")===-1){return}var n=1+e.code.split("\n").length;var r;lines=new Array(n);lines=lines.join("");r=document.createElement("span");r.className="line-numbers-rows";r.innerHTML=lines;if(t.hasAttribute("data-start")){t.style.counterReset="linenumber "+(parseInt(t.getAttribute("data-start"),10)-1)}e.element.appendChild(r)}) 15 | ; 16 | (function(){if(!self.Prism||!self.document||!document.querySelector)return;var e={js:"javascript",html:"markup",svg:"markup"};Array.prototype.slice.call(document.querySelectorAll("pre[data-src]")).forEach(function(t){var n=t.getAttribute("data-src"),r=(n.match(/\.(\w+)$/)||[,""])[1],i=e[r]||r,s=document.createElement("code");s.className="language-"+i;t.textContent="";s.textContent="Loading…";t.appendChild(s);var o=new XMLHttpRequest;o.open("GET",n,!0);o.onreadystatechange=function(){if(o.readyState==4)if(o.status<400&&o.responseText){s.textContent=o.responseText;Prism.highlightElement(s)}else o.status>=400?s.textContent="✖ Error "+o.status+" while fetching file: "+o.statusText:s.textContent="✖ Error: File does not exist or is empty"};o.send(null)})})();; 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154 | 155 | 156 | 157 | -------------------------------------------------------------------------------- /phpdoc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | docs 5 | 6 | 7 | docs 8 | 9 | 10 | src 11 | ./demo 12 | ./unittests 13 | 14 | -------------------------------------------------------------------------------- /phpunit.xml: -------------------------------------------------------------------------------- 1 | 2 | 23 | 24 | 25 | . 26 | 27 | 28 | 29 | 30 | 31 | ./demo 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /src/ImageCache/ImageCache.php: -------------------------------------------------------------------------------- 1 | 10 | * @license http://freedomdefined.org/Licenses/CC-BY MIT 11 | * @version GIT: 1.0.0 12 | * 13 | * http://dtbaker.net/web-development/how-to-cache-images-generated-by-php/ 14 | */ 15 | 16 | namespace ImageCache; 17 | 18 | ob_start(); 19 | 20 | class ImageCache { 21 | 22 | const memory_value = 128; 23 | 24 | /** 25 | * Stores the image source given for reference 26 | */ 27 | public $image_src; 28 | 29 | /** 30 | * The version of the source image to which will be part of the cached filename (used to "force" browser to download a new version of the image). 31 | * @var string 32 | */ 33 | public $image_src_version; 34 | 35 | /** 36 | * If the file is remote or not 37 | */ 38 | public $is_remote; 39 | 40 | /** 41 | * Allow the user to set the options for the setup 42 | */ 43 | public $options; 44 | 45 | /** 46 | * The location of the cached images directory 47 | */ 48 | public $cached_image_directory; 49 | 50 | /** 51 | * The version of the cached directory to which will be part of the cached filename (used to "force" browser to download a new version of the entire cache directory). 52 | * @var string 53 | */ 54 | public $cached_directory_version; 55 | 56 | /** 57 | * The URL to access the cached images directory 58 | */ 59 | public $cached_image_url; 60 | 61 | /** 62 | * The name of the cached file 63 | */ 64 | public $cached_filename; 65 | 66 | /** 67 | * The compression's output quality 68 | * @var array 69 | */ 70 | public $quality; 71 | 72 | /** 73 | * check link of cached file if is valid by curl 74 | */ 75 | public $check_link_cached; 76 | 77 | /** 78 | * Stores the server's version of the GD Library, if enabled 79 | */ 80 | private $gd_version; 81 | 82 | /** 83 | * The memory limit currently established on the server 84 | */ 85 | private $memory_limit; 86 | 87 | /** 88 | * The file mime type 89 | */ 90 | private $file_mime_type; 91 | 92 | /** 93 | * The extension of the file 94 | */ 95 | private $file_extension; 96 | 97 | /** 98 | * The original size of the file 99 | */ 100 | private $local_image_src; 101 | 102 | /** 103 | * The original size of the file 104 | */ 105 | private $src_filesize; 106 | 107 | /** 108 | * The extension of the file 109 | */ 110 | private $cached_filesize; 111 | 112 | /** 113 | * Constructor function 114 | * 115 | * @param array $options Options include the keys 'echo' (boolean) and 'cache_time' (integer). 'cache_time' is currently not employed, but in place for future reference. 116 | * @return object Returns the class object for the user to reference it in the future. 117 | */ 118 | public function __construct($options = array()) { 119 | if (!$this->can_run_image_cache()) 120 | $this->error('PHP Image Cache must be run on a server with a bundled GD version.'); 121 | $defaults = array( 122 | 'check_link_cached' => true, // Check link of cached file if is valid by curl 123 | 'echo' => false, // Determines whether the resulting source should be echoed or returned 124 | 'cache_time' => 0, // How long the image should be cached for. If the value is 0, then the cache never expires. Default is 0, never expires.m 125 | "quality" => array(// Determines the quality of cache output 126 | "jpeg" => 85, 127 | "png" => 8 128 | ), 129 | "cached_image_directory" => dirname(__FILE__) . "/php-image-cache", 130 | "cached_image_url" => "", 131 | "cached_directory_version" => "" 132 | ); 133 | $this->options = (object) array_merge($defaults, $options); 134 | $this->cached_image_directory = $this->options->cached_image_directory; 135 | $this->cached_image_url = rtrim($this->options->cached_image_url, "/"); 136 | $this->quality = (object) array( 137 | "jpeg" => $this->options->quality["jpeg"], 138 | "png" => $this->options->quality["png"] 139 | ); 140 | $this->cached_directory_version = $this->options->cached_directory_version; 141 | $this->check_link_cached = $this->options->check_link_cached; 142 | 143 | return $this; 144 | } 145 | 146 | /** 147 | * Validates whether the user can use this class or not, based on the GD Version their server is carrying. 148 | * 149 | * @return bool 150 | */ 151 | public function can_run_image_cache() { 152 | $gd_info = gd_info(); 153 | $this->gd_version = false; 154 | if (preg_match('#bundled \((.+)\)$#i', $gd_info['GD Version'], $matches)) { 155 | $this->gd_version = (float) $matches[1]; 156 | } else { 157 | $this->gd_version = (float) substr($gd_info['GD Version'], 0, 3); 158 | } 159 | return (bool) $this->gd_version; 160 | } 161 | 162 | /** 163 | * Caches the image. When using this method, the image will be compressed and then cached. 164 | * 165 | * @return string The source file to be referenced after compressing an image 166 | */ 167 | public function cache($image, $version = "") { 168 | ob_start(); 169 | if ( ! is_writable($this->cached_image_directory)) 170 | $this->error( $this->cached_image_directory . ' must writable!'); 171 | 172 | if (!is_string($image)) 173 | $this->error('Image source given must be a string.'); 174 | 175 | $this->image_src = $image; 176 | $this->image_src_version = $version; 177 | $this->pre_set_class_vars(); 178 | 179 | // If the image hasn't been server up at this point, fetch, compress, cache, and return 180 | if ($this->cached_file_exists()) { 181 | $this->src_filesize = filesize($this->image_src); 182 | $this->cached_filesize = filesize($this->cached_filename); 183 | if ($this->src_filesize < $this->cached_filesize) { 184 | ob_end_clean(); 185 | return $this->docroot_to_url($this->image_src); 186 | } 187 | ob_end_clean(); 188 | return $this->docroot_to_url(); 189 | } 190 | if ($this->is_remote) { 191 | $this->download_image(); 192 | } 193 | if (!$this->fetch_image()) 194 | $this->error('Could not copy image resource.'); 195 | $this->src_filesize = filesize($this->image_src); 196 | $this->cached_filesize = filesize($this->cached_filename); 197 | if ($this->src_filesize < $this->cached_filesize) { 198 | ob_end_clean(); 199 | return $this->docroot_to_url($this->image_src); 200 | } 201 | ob_end_clean(); 202 | return $this->docroot_to_url(); 203 | } 204 | 205 | /** 206 | * Downloads a remote file and stores it locally to be used for compression 207 | */ 208 | private function download_image() { 209 | $image_resource = file_get_contents($this->image_src); 210 | $basename = basename($this->image_src); 211 | if (!stripos($basename, '.' . $this->file_extension)) { 212 | $basename .= '.' . $this->file_extension; 213 | } 214 | $image_location = dirname($this->cached_image_directory) . '/' . $basename; 215 | if (!file_exists($image_location)) { 216 | if (!file_put_contents($image_location, $image_resource)) { 217 | $this->error('Could not download the remote image'); 218 | } 219 | } 220 | $this->image_src = $image_location; 221 | } 222 | 223 | /** 224 | * Creates the cached directory 225 | * 226 | * @return bool If the directory was successfully created or not 227 | */ 228 | private function make_cache_directory() { 229 | if (is_dir($this->cached_image_directory)) { 230 | return true; 231 | } 232 | try { 233 | mkdir($this->cached_image_directory); 234 | } catch (Exception $e) { 235 | $this->error('There was an error creating the new directory:', $e); 236 | return false; 237 | } 238 | return true; 239 | } 240 | 241 | /** 242 | * Fetch the image as a resource and save it into the cache directory. 243 | * 244 | * @source http://stackoverflow.com/questions/9839150/image-compression-in-php 245 | * @return If the image was successfully created or not 246 | */ 247 | private function fetch_image() { 248 | $image_size = getimagesize($this->image_src); 249 | $image_width = $image_size[0]; 250 | $image_height = $image_size[1]; 251 | $mime_array = explode('/', $this->file_mime_type); 252 | $file_mime_as_ext = end($mime_array); 253 | $image_dest_func = 'imagecreate'; 254 | if ($this->gd_version >= 2) 255 | $image_dest_func = 'imagecreatetruecolor'; 256 | if (in_array($file_mime_as_ext, array('gif', 'jpeg', 'png'))) { 257 | $image_src_func = 'imagecreatefrom' . $this->file_extension; 258 | $image_create_func = 'image' . $this->file_extension; 259 | } else { 260 | $this->error('The image you supply must have a .gif, .jpg/.jpeg, or .png extension.'); 261 | return false; 262 | } 263 | $this->increase_memory_limit(); 264 | $image_src = @call_user_func($image_src_func, $this->image_src); 265 | $image_dest = @call_user_func($image_dest_func, $image_width, $image_height); 266 | if ($file_mime_as_ext === 'jpeg') { 267 | $background = imagecolorallocate($image_dest, 255, 255, 255); 268 | imagefill($image_dest, 0, 0, $background); 269 | } elseif (in_array($file_mime_as_ext, array('gif', 'png'))) { 270 | imagealphablending($image_src, false); 271 | imagesavealpha($image_src, true); 272 | imagealphablending($image_dest, false); 273 | imagesavealpha($image_dest, true); 274 | } 275 | imagecopy($image_dest, $image_src, 0, 0, 0, 0, $image_width, $image_height); 276 | switch ($file_mime_as_ext) { 277 | case 'jpeg': 278 | $created = imagejpeg($image_dest, $this->cached_filename, $this->quality->jpeg); 279 | break; 280 | case 'png': 281 | $created = imagepng($image_dest, $this->cached_filename, $this->quality->png); 282 | break; 283 | case 'gif': 284 | $created = imagegif($image_dest, $this->cached_filename); 285 | break; 286 | default: 287 | return false; 288 | break; 289 | } 290 | imagedestroy($image_src); 291 | imagedestroy($image_dest); 292 | $this->reset_memory_limit(); 293 | return $created; 294 | } 295 | 296 | /** 297 | * Returns 298 | * 299 | * @param string $src The url to check validate 300 | * @return string The URL of the image 301 | */ 302 | private function docroot_to_url($src = null) { 303 | if (is_null($src)) { 304 | $src = $this->cached_filename; 305 | } 306 | if (empty($this->cached_image_url)) { 307 | $image_path = str_replace($_SERVER['DOCUMENT_ROOT'], '', $src); 308 | $image_url = $_SERVER['REQUEST_SCHEME']."://" . $_SERVER['HTTP_HOST'].'/' . substr($image_path, 1); 309 | } else { 310 | $image_url = $this->cached_image_url . "/" . basename($src); 311 | } 312 | if ($this->link_is_broken($image_url)) { 313 | $this->error('Final image URL is broken'); 314 | } 315 | return $image_url; 316 | } 317 | 318 | /** 319 | * Sets up all class variables in one central function. 320 | */ 321 | private function pre_set_class_vars() { 322 | $this->set_file_mime_type(); 323 | $this->set_cached_filename(); 324 | $this->set_memory_limit(); 325 | $this->set_is_remote(); 326 | } 327 | 328 | /** 329 | * Utility function to determine of the link in question is broken or not. 330 | * 331 | * @param string $url The url to check validate 332 | * @return bool Indicates whether or not the link is broken 333 | */ 334 | private function link_is_broken($url) { 335 | if (!$this->check_link_cached || !function_exists('curl_init')) 336 | return false; 337 | 338 | $ch = curl_init($url); 339 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 340 | curl_exec($ch); 341 | $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); 342 | if ($http_code == 404) { 343 | $broken = true; 344 | } else { 345 | $broken = false; 346 | } 347 | curl_close($ch); 348 | return $broken; 349 | } 350 | 351 | /** 352 | * Quick and dirty way to see if the file is remote or local. Deeper checking comes 353 | * later if we don't find a compressed version of the file locally. 354 | * 355 | * @return bool Whether or not the image is remote 356 | */ 357 | private function is_image_local() { 358 | if (file_exists($this->image_src)) 359 | return true; 360 | $parsed_src = parse_url($this->image_src); 361 | if ($_SERVER['HTTP_HOST'] === $parsed_src['host']) 362 | return true; 363 | return false; 364 | } 365 | 366 | /** 367 | * Determines if the image is local or being referenced from a remote URL 368 | */ 369 | private function set_is_remote() { 370 | $this->is_remote = !$this->is_image_local(); 371 | } 372 | 373 | /** 374 | * This function creates the filename of the new image using an MD5 hash of the original filename. This helps to create a unique 375 | * filename for the newly compressed image so that this class can easily find and determine if the image has already been compressed and stored locally. 376 | * 377 | * Employing use of the "alt" and "title" tags on the image (which hopefully you're already doing) will negate any potentially negative impacts on SEO. See 378 | * this article for more information: http://searchenginewatch.com/article/2120682/Image-Optimization-How-to-Rank-on-Image-Search 379 | */ 380 | private function set_cached_filename() { 381 | $pathinfo = pathinfo($this->image_src); 382 | $this->cached_filename = $this->cached_image_directory . '/' . md5($this->cached_directory_version . basename($this->image_src) . $this->image_src_version) . '.' . $this->file_extension; 383 | } 384 | 385 | /** 386 | * Simply determines if a compressed of the image that's sent is already compressed or not. 387 | */ 388 | private function cached_file_exists() { 389 | if ($this->is_remote) { 390 | $this->download_image(); 391 | } 392 | if (file_exists($this->cached_filename)) 393 | return true; 394 | return false; 395 | } 396 | 397 | /** 398 | * Stores the file's mime type and validates that the file being compressed is indeed an image. 399 | */ 400 | private function set_file_mime_type() { 401 | $image_type = exif_imagetype($this->image_src); 402 | if (!$image_type) 403 | $this->error('The file you supplied isn\'t a valid image.'); 404 | $this->file_mime_type = image_type_to_mime_type($image_type); 405 | $this->file_extension = image_type_to_extension($image_type, false); 406 | } 407 | 408 | /** 409 | * Stores the original value of the server's memory limit 410 | */ 411 | private function set_memory_limit() { 412 | $this->memory_limit = ini_get('memory_limit'); 413 | } 414 | 415 | /** 416 | * Temporarily increases the servers memory limit to 2480 MB to handle building larger images. Based on initial 417 | * tests, this seems to be a large enough increase to handle rebuilding jpg images as large as 4300px wide with no pre-compression. 418 | */ 419 | private function increase_memory_limit() { 420 | ini_set('memory_limit', '2480M'); 421 | } 422 | 423 | /** 424 | * Resets the servers memory limit to its original value 425 | */ 426 | private function reset_memory_limit() { 427 | ini_set('memory_limit', $this->memory_limit); 428 | } 429 | 430 | /** 431 | * Displays an error and kills the script 432 | * 433 | * @param String $status The message to be passed to the native `exit()` function 434 | */ 435 | private function error($status = null) { 436 | if (is_null($status)) 437 | $status = 'Unknown Error:'; 438 | exit($status); 439 | } 440 | 441 | } 442 | -------------------------------------------------------------------------------- /src/ImageCache/php-image-cache/18e3af47b74127eb56de83345552aa7e.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/src/ImageCache/php-image-cache/18e3af47b74127eb56de83345552aa7e.gif -------------------------------------------------------------------------------- /src/ImageCache/php-image-cache/18e3af47b74127eb56de83345552aa7e.gif.gz: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nielse63/php-image-cache/2b13107761f80b1f5369aad07951cb8ad513b0b3/src/ImageCache/php-image-cache/18e3af47b74127eb56de83345552aa7e.gif.gz -------------------------------------------------------------------------------- /unittests/ImageCacheTest.php: -------------------------------------------------------------------------------- 1 | assertFileExists( '../src/ImageCache/ImageCache.php' ); 15 | } 16 | 17 | /** 18 | * @author nielse63 19 | * @depends testCanFindFile 20 | */ 21 | public function testClassDoesHaveAttributes() 22 | { 23 | $this->assertClassHasAttribute( 'image_src', 'ImageCache\ImageCache' ); 24 | $this->assertClassHasAttribute( 'is_remote', 'ImageCache\ImageCache' ); 25 | $this->assertClassHasAttribute( 'options', 'ImageCache\ImageCache' ); 26 | $this->assertClassHasAttribute( 'cached_image_directory', 'ImageCache\ImageCache' ); 27 | $this->assertClassHasAttribute( 'cached_filename', 'ImageCache\ImageCache' ); 28 | $this->assertClassHasAttribute( 'gd_version', 'ImageCache\ImageCache' ); 29 | $this->assertClassHasAttribute( 'memory_limit', 'ImageCache\ImageCache' ); 30 | $this->assertClassHasAttribute( 'file_mime_type', 'ImageCache\ImageCache' ); 31 | $this->assertClassHasAttribute( 'file_extension', 'ImageCache\ImageCache' ); 32 | $this->assertClassHasAttribute( 'local_image_src', 'ImageCache\ImageCache' ); 33 | $this->assertClassHasAttribute( 'src_filesize', 'ImageCache\ImageCache' ); 34 | $this->assertClassHasAttribute( 'cached_filesize', 'ImageCache\ImageCache' ); 35 | } 36 | 37 | /** 38 | * @author nielse63 39 | * @depends testCanFindFile 40 | */ 41 | public function testCanRunImageCache() 42 | { 43 | $imagecache = new ImageCache\ImageCache(); 44 | $this->assertTrue( $imagecache->can_run_image_cache() ); 45 | } 46 | } 47 | --------------------------------------------------------------------------------