├── README.md
├── add-custom-current-menu-item-class.php
├── add-media-url-column-with-size-link.php
├── admin-edit-list-view-open-new-window.php
├── disable-core-wp-lazy-load.php
├── disable-wp-core-sitemaps.php
├── dns-prefetch-control.txt
├── update-jquery-version-remove-jquery-migrate.php
├── woocommerce-archive-pages-remove-add-to-cart-buttons.php
├── woocommerce-replace-variable-price-range
├── wordpress-append-media-timestamp.php
├── wp-add-child-theme-custom-style-sheet.php
├── wp-boilerplate-site-specific-plugin.php
├── wp-dashboard-redirect.php
├── wp-insert-header-footer-php-html-homepage-sitewide.php
├── wp-public-post-preview-duration.php
└── wp-youtube-oembed-mod.php


/README.md:
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1 | # WordPress Snippets
2 | A collection of awesome WordPress Code Snippets you can use to optimize your WP website
3 | - curated by: Joe Campbell (@heyJoeCampbell) https://twitter.com/heyjoecampbell
4 | 


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/add-custom-current-menu-item-class.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Add Custom Current Menu Item Class
 6 | this adds the class 'parent_url' to current menu based on url
 7 | style 'parent_url' to your liking OR change the class name to desired class
 8 | source: https://web.archive.org/web/20170104065109/http://www.rarescosma.com/2010/11/add-a-class-to-wp_nav_menu-items-with-urls-included-in-the-current-url/
 9 | */
10 | 
11 | add_filter( 'nav_menu_css_class', 'add_parent_url_menu_class', 10, 2 );
12 | 
13 | function add_parent_url_menu_class( $classes = array(), $item = false ) {
14 | 	// Get current URL
15 | 	$current_url = current_url();
16 | 	
17 | 	// Get homepage URL
18 | 	$homepage_url = trailingslashit( get_bloginfo( 'url' ) );
19 | 		
20 | 	// Exclude 404 and homepage
21 | 	if( is_404() or $item->url == $homepage_url ) return $classes;
22 | 	
23 | 	if ( strstr( $current_url, $item->url) ) {
24 | 		// Add the 'parent_url' class - change to desire class
25 | 		$classes[] = 'parent_url';
26 | 	}
27 | 	
28 | 	return $classes;
29 | }
30 | 
31 | function current_url() {
32 | 	// Protocol
33 | 	$url = ( 'on' == $_SERVER['HTTPS'] ) ? 'https://' : 'http://';
34 | 	
35 | 	$url .= $_SERVER['SERVER_NAME'];
36 | 	
37 | 	// Port
38 | 	$url .= ( '80' == $_SERVER['SERVER_PORT'] ) ? '' : ':' . $_SERVER['SERVER_PORT'];
39 | 	
40 | 	$url .= $_SERVER['REQUEST_URI'];
41 | 	
42 | 	return trailingslashit( $url );
43 | }
44 | 


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/add-media-url-column-with-size-link.php:
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 1 |   
 2 | <?php
 3 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 4 | 
 5 | //Add Media URL Column with Link
 6 | function muc_column( $cols ) {
 7 |         $cols["media_url"] = "Size/Link";
 8 |         return $cols;
 9 | }
10 | function muc_value( $column_name, $id ) {
11 |   $meta = wp_get_attachment_metadata($id);
12 |            if(isset($meta['width'])) {
13 |            $mediaLink = $meta['width'].' x '.$meta['height'];	
14 | 		   }
15 |     else {$mediaLink = 'Media Link';}
16 |   if ( $column_name == "media_url" ) echo '<a href="'. wp_get_attachment_url( $id ). '" target="_blank">'.$mediaLink.'</a>';
17 | }
18 | add_filter( 'manage_media_columns', 'muc_column' );
19 | add_action( 'manage_media_custom_column', 'muc_value', 10, 2 );
20 | 


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/admin-edit-list-view-open-new-window.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | // Make Admin Edit List -View- Open in a New Window
 5 | function change_post_row_actions( $actions, $post ) {
 6 | 	unset( $actions['view'] );
 7 | 	$actions['view'] .= '<a href="'.get_the_permalink($post->ID).'" target="_blank">View</a>';
 8 | 	return $actions;
 9 | }
10 | add_filter( 'page_row_actions', 'change_post_row_actions', 10, 2 );
11 | 


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/disable-core-wp-lazy-load.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Disable WP Lazy Load
 6 | source: https://blogpioneer.com/disable-lazy-loading-wordpress/
 7 | */
 8 | 
 9 | add_filter('wp_lazy_loading_enabled', '__return_false');
10 | 


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/disable-wp-core-sitemaps.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Disable WP Core Sitemaps
 6 | source: https://perishablepress.com/wordpress-disable-wp-sitemaps/
 7 | */
 8 | 
 9 | add_filter('wp_sitemaps_enabled', '__return_false');
10 | 


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/dns-prefetch-control.txt:
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 1 | // Remove WordPress Core DNS Prefetch
 2 | 
 3 | remove_action( 'wp_head', 'wp_resource_hints', 2 );
 4 | 
 5 | function remove_dns_prefetch( $hints, $relation_type ) {
 6 |     if ( 'dns-prefetch' === $relation_type ) {
 7 |         return array_diff( wp_dependencies_unique_hosts(), $hints );
 8 |     }
 9 |     return $hints;
10 | }
11 | 
12 | add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );
13 | 
14 | 
15 | // Add Custom DNS Prefetch Domains
16 | 
17 | function add_dns_prefetch() {
18 |   echo '<meta http-equiv="x-dns-prefetch-control" content="on">
19 |     <link rel="dns-prefetch" href="//domain1.com" />
20 |     <link rel="dns-prefetch" href="//domain2.com" />
21 |     <link rel="dns-prefetch" href="//domain3.com" />
22 | ';}
23 | add_action( 'wp_head', 'add_dns_prefetch', 0 );
24 | 


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/update-jquery-version-remove-jquery-migrate.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Replace jQuery Library
 6 | source: https://www.wpbeginner.com/wp-themes/replace-default-wordpress-jquery-script-with-google-library/
 7 | */
 8 | function modify_jquery() {
 9 |     if (!is_admin()) {
10 |         // comment out the next two lines to load the local copy of jQuery
11 |         wp_deregister_script('jquery');
12 |         wp_register_script('jquery', 'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js', false, '3.5.1'); // update URL to preferred version and provider
13 |         wp_enqueue_script('jquery');
14 |     }
15 | }
16 | add_action('init', 'modify_jquery');
17 | 
18 | // Remove jQuery Migrate
19 | function cedaro_dequeue_jquery_migrate( $scripts ) {
20 | 	if ( ! is_admin() && ! empty( $scripts->registered['jquery'] ) ) {
21 | 		$jquery_dependencies = $scripts->registered['jquery']->deps;
22 | 		$scripts->registered['jquery']->deps = array_diff( $jquery_dependencies, array( 'jquery-migrate' ) );
23 | 	}
24 | }
25 | add_action( 'wp_default_scripts', 'cedaro_dequeue_jquery_migrate' );
26 | 


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/woocommerce-archive-pages-remove-add-to-cart-buttons.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Woocommerce: Archive Pages - Remove Add to Cart Buttons
 6 | source: https://wordpress.org/support/topic/remove-add-to-cart-from-product-archive-page/#post-12144161
 7 | */
 8 | add_action( 'woocommerce_after_shop_loop_item', 'remove_add_to_cart_buttons', 1 );
 9 | 
10 |     function remove_add_to_cart_buttons() {
11 |       if( is_product_category() || is_shop()) { 
12 |         remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart');
13 |       }
14 | }
15 | 


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/woocommerce-replace-variable-price-range:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | add_filter( 'woocommerce_variable_sale_price_html', 
 5 | 'lw_variable_product_price', 10, 2 );
 6 | add_filter( 'woocommerce_variable_price_html', 
 7 | 'lw_variable_product_price', 10, 2 );
 8 | 
 9 | function lw_variable_product_price( $v_price, $v_product ) {
10 | 
11 | // Product Price
12 | $prod_prices = array( $v_product->get_variation_price( 'min', true ), 
13 |                             $v_product->get_variation_price( 'max', true ) );
14 | $prod_price = $prod_prices[0]!==$prod_prices[1] ? sprintf(__('%1$s +', 'woocommerce'), 
15 |                        wc_price( $prod_prices[0] ) ) : wc_price( $prod_prices[0] );
16 | 
17 | // Regular Price
18 | $regular_prices = array( $v_product->get_variation_regular_price( 'min', true ), 
19 |                           $v_product->get_variation_regular_price( 'max', true ) );
20 | sort( $regular_prices );
21 | $regular_price = $regular_prices[0]!==$regular_prices[1] ? sprintf(__('%1$s +','woocommerce')
22 |                       , wc_price( $regular_prices[0] ) ) : wc_price( $regular_prices[0] );
23 | 
24 | if ( $prod_price !== $regular_price ) {
25 | $prod_price = '<del>'.$regular_price.$v_product->get_price_suffix() . '</del> <ins>' . 
26 |                        $prod_price . $v_product->get_price_suffix() . '</ins>';
27 | }
28 | return $prod_price;
29 | }
30 | 


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/wordpress-append-media-timestamp.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Append Media Timestamp
 6 | source: https://wp-mix.com/rename-uploaded-files-wordpress/
 7 | */
 8 | 
 9 | function append_media_timestamp($filename) {
10 | 	
11 | 	$timestamp = time(); //epoch time  |  formatted date >> date("YmdGs")
12 | 	$append = apply_filters('usp_file_append_random', true, $filename, $random);
13 | 	
14 | 	if (!$append) return $filename;
15 | 	
16 | 	$info = pathinfo($filename);
17 | 	$ext  = (isset($info['extension']) && !empty($info['extension'])) ? '.'. $info['extension'] : '';
18 | 	$name = basename($filename, $ext) .'-'. $timestamp;
19 | 	
20 | 	return $name . $ext;
21 | 	
22 | }
23 | add_filter('sanitize_file_name', 'append_media_timestamp', 10);
24 | 


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/wp-add-child-theme-custom-style-sheet.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | // Add Child Theme Custom Style Sheet
 5 | 
 6 | function custom_child_style_sheet() {
 7 | 	wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' ); // CHANGE to your style Sheet filename
 8 | }
 9 | 
10 | add_action('wp_enqueue_scripts', 'custom_child_style_sheet');
11 | 


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/wp-boilerplate-site-specific-plugin.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Plugin Name: _Add Title WITH UNDERSCORE at beginning so its listed first in plugin list
 6 | Description: Add a description - I use: Collection of code snippets for creating an awesome WordPress website
 7 | Author: Add your name with or without link - I use: <a href="https://twitter.com/heyjoecampbell">@heyJoeCampbell</a>
 8 | */
 9 | 
10 | 
11 | // REPLACE with your snippets - Happy Coding
12 | 
13 | 
14 | // THE END
15 | 


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/wp-dashboard-redirect.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | // Redirect WordPress Dashboard to Another Page
 5 | 
 6 | add_action('load-index.php', 'dashboard_redirect');
 7 | function dashboard_redirect(){
 8 | wp_redirect(admin_url('/edit.php')); // change to desired page - include slash
 9 |   exit();
10 | }
11 | 


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/wp-insert-header-footer-php-html-homepage-sitewide.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | 
 5 | // ADD CODE TO HEAD - HOMEPAGE ----------------------------------------------------- //
 6 | function addto_wphead_homepage() {
 7 | if ( is_front_page() ) {
 8 | // Homepage HTML Header Code + + + + + + + + + + + Enter Below ?>
 9 |   
10 |   
11 | <?php }} add_action( 'wp_head', 'addto_wphead_homepage' );
12 | 
13 | // ADD CODE TO HEAD ------------------------------------------------------ //
14 | function addto_wphead() {{
15 | // PHP Header Code + + + + + + + + + + + Enter Below
16 | 
17 |   
18 | }{ // HTML Header Code + + + + + + + + + + + Enter Below ?>
19 | 
20 |   
21 | <?php }} add_action( 'wp_head', 'addto_wphead' );
22 | 
23 | // ADD CODE TO FOOTER ------------------------------------------------------ //
24 | function addto_footer() {{
25 | // PHP Header Code + + + + + + + + + + + Enter Below
26 |   
27 |   
28 | }{ // HTML Footer Code + + + + + + + + + + + Enter Below ?>
29 | 
30 |   
31 | <?php }} add_action( 'wp_footer', 'addto_footer' );
32 | 


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/wp-public-post-preview-duration.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | /*
 5 | Draft Preview URL Duration
 6 | source: https://wordpress.org/plugins/public-post-preview/#48%20hours%20are%20not%20enough%20to%20me.%20can%20i%20extend%20the%20nonce%20time%3F
 7 | */
 8 | 
 9 | add_filter( 'ppp_nonce_life', 'my_nonce_life' );
10 | function my_nonce_life() {
11 |     return 60 * 60 * 24 * 7; // Last Number = Days
12 | }
13 | 


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/wp-youtube-oembed-mod.php:
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 1 | <?php
 2 | /********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
 3 | 
 4 | // YouTube oEmbed Mod - disable related, disable showinfo, apply wmode opaque
 5 | 
 6 | function youtube_oembed_mod($html, $url, $attr) {
 7 | 
 8 | if ( strpos( $html, "<embed src=" ) !== false )
 9 |    { return str_replace('</param><embed', '</param><param name="wmode" value="opaque"></param><embed wmode="opaque" ', $html); }
10 | elseif ( strpos ( $html, 'feature=oembed' ) !== false )
11 |    { return str_replace( 'feature=oembed', 'feature=oembed&wmode=opaque&rel=0&showinfo=0', $html ); }
12 | else
13 |    { return $html; }
14 | }
15 | add_filter( 'embed_oembed_html', 'youtube_oembed_mod', 10, 3);
16 | 


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