├── README.md
├── readme.txt
├── acf-unique_id.php
└── acf-unique_id-v5.php


/README.md:
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 1 | # Advanced Custom Fields: Unique ID Field
 2 | 
 3 | Create a unique ID to easily identify repeater field's rows.
 4 | 
 5 | -----------------------
 6 | 
 7 | ## Description
 8 | 
 9 | Create a unique ID to easily identify repeater field's rows. The field is fulfill on the first "save" of the post.
10 | 
11 | ### Compatibility
12 | 
13 | This ACF field type is compatible with:
14 | * ACF 5
15 | 
16 | ## Installation
17 | 
18 | 1. Copy the `acf-unique_id` folder into your `wp-content/plugins` folder
19 | 2. Activate the Unique ID plugin via the plugins admin page
20 | 3. Create a new field via ACF and select the Unique ID type
21 | 
22 | ## Changelog
23 | Please see `readme.txt` for changelog
24 | 


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/readme.txt:
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 1 | === Advanced Custom Fields: Unique ID Field ===
 2 | Contributors: KLicheR
 3 | Tags: acf,unique,id
 4 | Requires at least: 3.5
 5 | Tested up to: 4.0.1
 6 | Stable tag: 1.0.0
 7 | License: GPLv2 or later
 8 | License URI: http://www.gnu.org/licenses/gpl-2.0.html
 9 | 
10 | Create a unique ID to easily identify repeater field's rows.
11 | 
12 | == Description ==
13 | 
14 | Create a unique ID to easily identify repeater field's rows. The field is fulfill on the first "save" of the post.
15 | 
16 | **Compatibility**
17 | 
18 | This ACF field type is compatible with:
19 | 
20 | * ACF 5
21 | 
22 | == Installation ==
23 | 
24 | 1. Copy the `acf-unique_id` folder into your `wp-content/plugins` folder
25 | 2. Activate the Unique ID plugin via the plugins admin page
26 | 3. Create a new field via ACF and select the Unique ID type
27 | 
28 | == Changelog ==
29 | 
30 | = 1.0.0 =
31 | 
32 | * Initial Release.


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/acf-unique_id.php:
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 1 | <?php
 2 | 
 3 | /*
 4 | Plugin Name: Advanced Custom Fields: Unique ID Field
 5 | Plugin URI: https://wordpress.org/plugins/acf-unique-id-field
 6 | Description: Create a unique ID to easily identify repeater field's rows.
 7 | Version: 1.0.0
 8 | Author: KLicheR
 9 | Author URI: https://github.com/KLicheR
10 | License: GPLv2 or later
11 | License URI: http://www.gnu.org/licenses/gpl-2.0.html
12 | */
13 | 
14 | 
15 | 
16 | 
17 | // 1. set text domain
18 | // Reference: https://codex.wordpress.org/Function_Reference/load_plugin_textdomain
19 | load_plugin_textdomain( 'acf-unique_id', false, dirname( plugin_basename(__FILE__) ) . '/lang/' ); 
20 | 
21 | 
22 | 
23 | 
24 | // 2. Include field type for ACF5
25 | // $version = 5 and can be ignored until ACF6 exists
26 | function include_field_types_unique_id( $version ) {
27 | 	include_once('acf-unique_id-v5.php');
28 | }
29 | 
30 | add_action('acf/include_field_types', 'include_field_types_unique_id');
31 | 


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/acf-unique_id-v5.php:
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  1 | <?php
  2 | 
  3 | class acf_field_unique_id extends acf_field {
  4 | 
  5 | 	/*
  6 | 	*  __construct
  7 | 	*
  8 | 	*  This function will setup the field type data
  9 | 	*
 10 | 	*  @type	function
 11 | 	*  @date	5/03/2014
 12 | 	*  @since	5.0.0
 13 | 	*
 14 | 	*  @param	n/a
 15 | 	*  @return	n/a
 16 | 	*/
 17 | 
 18 | 	function __construct() {
 19 | 
 20 | 		/*
 21 | 		*  name (string) Single word, no spaces. Underscores allowed
 22 | 		*/
 23 | 
 24 | 		$this->name = 'unique_id';
 25 | 
 26 | 
 27 | 		/*
 28 | 		*  label (string) Multiple words, can include spaces, visible when selecting a field type
 29 | 		*/
 30 | 
 31 | 		$this->label = __('Unique ID', 'acf-unique_id');
 32 | 
 33 | 
 34 | 		/*
 35 | 		*  category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME
 36 | 		*/
 37 | 
 38 | 		$this->category = 'layout';
 39 | 
 40 | 
 41 | 		/*
 42 | 		*  l10n (array) Array of strings that are used in JavaScript. This allows JS strings to be translated in PHP and loaded via:
 43 | 		*  var message = acf._e('unique_id', 'error');
 44 | 		*/
 45 | 
 46 | 		$this->l10n = array(
 47 | 		);
 48 | 
 49 | 
 50 | 		// do not delete!
 51 |     	parent::__construct();
 52 |     
 53 | 	}
 54 | 
 55 | 
 56 | 	/*
 57 | 	*  render_field()
 58 | 	*
 59 | 	*  Create the HTML interface for your field
 60 | 	*
 61 | 	*  @param	$field (array) the $field being rendered
 62 | 	*
 63 | 	*  @type	action
 64 | 	*  @since	3.6
 65 | 	*  @date	23/01/13
 66 | 	*
 67 | 	*  @param	$field (array) the $field being edited
 68 | 	*  @return	n/a
 69 | 	*/
 70 | 	function render_field( $field ) {
 71 | 		?>
 72 | 		<input type="text" readonly="readonly" name="<?php echo esc_attr($field['name']) ?>" value="<?php echo esc_attr($field['value']) ?>" />
 73 | 		<?php
 74 | 	}
 75 | 
 76 | 
 77 | 	/*
 78 | 	*  update_value()
 79 | 	*
 80 | 	*  This filter is applied to the $value before it is saved in the db
 81 | 	*
 82 | 	*  @type	filter
 83 | 	*  @since	3.6
 84 | 	*  @date	23/01/13
 85 | 	*
 86 | 	*  @param	$value (mixed) the value found in the database
 87 | 	*  @param	$post_id (mixed) the $post_id from which the value was loaded
 88 | 	*  @param	$field (array) the field array holding all the field options
 89 | 	*  @return	$value
 90 | 	*/
 91 | 	function update_value( $value, $post_id, $field ) {
 92 | 		if (!$value) {
 93 | 			$value = uniqid();
 94 | 		}
 95 | 		return $value;
 96 | 	}
 97 | 
 98 | 
 99 | 	/*
100 | 	*  validate_value()
101 | 	*
102 | 	*  This filter is used to perform validation on the value prior to saving.
103 | 	*  All values are validated regardless of the field's required setting. This allows you to validate and return
104 | 	*  messages to the user if the value is not correct
105 | 	*
106 | 	*  @type	filter
107 | 	*  @date	11/02/2014
108 | 	*  @since	5.0.0
109 | 	*
110 | 	*  @param	$valid (boolean) validation status based on the value and the field's required setting
111 | 	*  @param	$value (mixed) the $_POST value
112 | 	*  @param	$field (array) the field array holding all the field options
113 | 	*  @param	$input (string) the corresponding input name for $_POST value
114 | 	*  @return	$valid
115 | 	*/
116 | 	function validate_value( $valid, $value, $field, $input ){
117 | 		return true;
118 | 	}
119 | }
120 | 
121 | 
122 | // create field
123 | new acf_field_unique_id();
124 | 


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