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<?php |
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/* |
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* ACF Page Link Field Class |
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* |
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* All the logic for this field type |
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* |
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* @class acf_field_page_link |
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* @extends acf_field |
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* @package ACF |
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* @subpackage Fields |
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*/ |
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if( ! class_exists('acf_field_page_link') ) : |
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class acf_field_page_link extends acf_field { |
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/* |
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* __construct |
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* |
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* This function will setup the field type data |
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* |
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* @type function |
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* @date 5/03/2014 |
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* @since 5.0.0 |
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* |
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* @param n/a |
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* @return n/a |
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*/ |
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View Code Duplication |
function __construct() { |
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// vars |
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$this->name = 'page_link'; |
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$this->label = __("Page Link",'acf'); |
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$this->category = 'relational'; |
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$this->defaults = array( |
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'post_type' => array(), |
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'taxonomy' => array(), |
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'allow_null' => 0, |
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'multiple' => 0, |
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); |
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// extra |
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add_action('wp_ajax_acf/fields/page_link/query', array($this, 'ajax_query')); |
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add_action('wp_ajax_nopriv_acf/fields/page_link/query', array($this, 'ajax_query')); |
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// do not delete! |
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parent::__construct(); |
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} |
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/* |
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* get_choices |
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* |
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* This function will return an array of data formatted for use in a select2 AJAX response |
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* |
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* @type function |
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* @date 15/10/2014 |
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* @since 5.0.9 |
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* |
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* @param $options (array) |
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* @return (array) |
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*/ |
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function get_choices( $options = array() ) { |
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// defaults |
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$options = acf_parse_args($options, array( |
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'post_id' => 0, |
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's' => '', |
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'lang' => false, |
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'field_key' => '', |
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'paged' => 1 |
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)); |
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// vars |
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$r = array(); |
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$args = array(); |
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// paged |
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$args['posts_per_page'] = 20; |
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$args['paged'] = $options['paged']; |
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// load field |
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$field = acf_get_field( $options['field_key'] ); |
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if( !$field ) { |
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return false; |
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} |
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// update $args |
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View Code Duplication |
if( !empty($field['post_type']) ) { |
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$args['post_type'] = acf_get_array( $field['post_type'] ); |
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} else { |
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$args['post_type'] = acf_get_post_types(); |
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} |
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// create tax queries |
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View Code Duplication |
if( !empty($field['taxonomy']) ) { |
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// append to $args |
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$args['tax_query'] = array(); |
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// decode terms |
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$taxonomies = acf_decode_taxonomy_terms( $field['taxonomy'] ); |
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// now create the tax queries |
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foreach( $taxonomies as $taxonomy => $terms ) { |
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$args['tax_query'][] = array( |
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'taxonomy' => $taxonomy, |
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'field' => 'slug', |
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'terms' => $terms, |
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); |
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} |
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} |
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// search |
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if( $options['s'] ) { |
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$args['s'] = $options['s']; |
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} |
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// filters |
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$args = apply_filters('acf/fields/page_link/query', $args, $field, $options['post_id']); |
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$args = apply_filters('acf/fields/page_link/query/name=' . $field['name'], $args, $field, $options['post_id'] ); |
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$args = apply_filters('acf/fields/page_link/query/key=' . $field['key'], $args, $field, $options['post_id'] ); |
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// add archives to $r |
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if( $args['paged'] == 1 ) { |
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$archives = array(); |
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$archives[] = array( |
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'id' => home_url(), |
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'text' => home_url() |
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); |
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foreach( $args['post_type'] as $post_type ) { |
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$archive_link = get_post_type_archive_link( $post_type ); |
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if( $archive_link ) { |
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$archives[] = array( |
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'id' => $archive_link, |
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'text' => $archive_link |
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); |
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} |
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} |
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// search |
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if( !empty($args['s']) ) { |
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foreach( array_keys($archives) as $i ) { |
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if( strpos( $archives[$i]['text'], $args['s'] ) === false ) { |
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unset($archives[$i]); |
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} |
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} |
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$archives = array_values($archives); |
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} |
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if( !empty($archives) ) { |
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$r[] = array( |
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'text' => __('Archives', 'acf'), |
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'children' => $archives |
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); |
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} |
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} |
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// get posts grouped by post type |
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$groups = acf_get_grouped_posts( $args ); |
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if( !empty($groups) ) { |
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foreach( array_keys($groups) as $group_title ) { |
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// vars |
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$posts = acf_extract_var( $groups, $group_title ); |
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$titles = array(); |
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// data |
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$data = array( |
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'text' => $group_title, |
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'children' => array() |
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); |
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foreach( array_keys($posts) as $post_id ) { |
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// override data |
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$posts[ $post_id ] = $this->get_post_title( $posts[ $post_id ], $field, $options['post_id'] ); |
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}; |
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// order by search |
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if( !empty($args['s']) ) { |
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$posts = acf_order_by_search( $posts, $args['s'] ); |
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} |
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// append to $data |
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foreach( array_keys($posts) as $post_id ) { |
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$data['children'][] = array( |
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'id' => $post_id, |
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'text' => $posts[ $post_id ] |
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); |
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} |
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// append to $r |
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$r[] = $data; |
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} |
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} |
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// return |
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return $r; |
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} |
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/* |
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* ajax_query |
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* |
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* description |
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* |
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* @type function |
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* @date 24/10/13 |
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* @since 5.0.0 |
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* |
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* @param $post_id (int) |
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* @return $post_id (int) |
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*/ |
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View Code Duplication |
function ajax_query() { |
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// validate |
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if( !acf_verify_ajax() ) { |
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die(); |
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} |
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// get choices |
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$choices = $this->get_choices( $_POST ); |
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// validate |
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if( !$choices ) { |
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die(); |
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} |
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// return JSON |
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echo json_encode( $choices ); |
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die(); |
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} |
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/* |
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* get_post_title |
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* |
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* This function returns the HTML for a result |
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* |
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* @type function |
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* @date 1/11/2013 |
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* @since 5.0.0 |
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* |
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* @param $post (object) |
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* @param $field (array) |
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* @param $post_id (int) the post_id to which this value is saved to |
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* @return (string) |
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*/ |
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View Code Duplication |
function get_post_title( $post, $field, $post_id = 0 ) { |
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// get post_id |
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if( !$post_id ) { |
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$form_data = acf_get_setting('form_data'); |
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if( !empty($form_data['post_id']) ) { |
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$post_id = $form_data['post_id']; |
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} else { |
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$post_id = get_the_ID(); |
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} |
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} |
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// vars |
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$title = acf_get_post_title( $post ); |
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// filters |
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$title = apply_filters('acf/fields/page_link/result', $title, $post, $field, $post_id); |
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$title = apply_filters('acf/fields/page_link/result/name=' . $field['_name'], $title, $post, $field, $post_id); |
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$title = apply_filters('acf/fields/page_link/result/key=' . $field['key'], $title, $post, $field, $post_id); |
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// return |
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return $title; |
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} |
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/* |
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* get_posts |
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* |
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* This function will return an array of posts for a given field value |
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* |
363
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* @type function |
364
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* @date 13/06/2014 |
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* @since 5.0.0 |
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* |
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* @param $value (array) |
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* @return $value |
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*/ |
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function get_posts( $value, $field ) { |
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// force value to array |
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$value = acf_get_array( $value ); |
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// get selected post ID's |
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$post__in = array(); |
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foreach( $value as $k => $v ) { |
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if( is_numeric($v) ) { |
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384
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// append to $post__in |
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$post__in[] = (int) $v; |
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} |
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} |
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// bail early if no posts |
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if( empty($post__in) ) { |
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return $value; |
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} |
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400
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// get posts |
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$posts = acf_get_posts(array( |
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'post__in' => $post__in, |
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'post_type' => $field['post_type'] |
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)); |
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407
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// override value with post |
408
|
|
|
$return = array(); |
409
|
|
|
|
410
|
|
|
|
411
|
|
|
// append to $return |
412
|
|
|
foreach( $value as $k => $v ) { |
413
|
|
|
|
414
|
|
|
if( is_numeric($v) ) { |
415
|
|
|
|
416
|
|
|
// extract first post |
417
|
|
|
$post = array_shift( $posts ); |
418
|
|
|
|
419
|
|
|
|
420
|
|
|
// append |
421
|
|
|
if( $post ) { |
422
|
|
|
|
423
|
|
|
$return[] = $post; |
424
|
|
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|
425
|
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} |
426
|
|
|
|
427
|
|
|
} else { |
428
|
|
|
|
429
|
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|
$return[] = $v; |
430
|
|
|
|
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
|
436
|
|
|
// return |
437
|
|
|
return $return; |
438
|
|
|
|
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
|
442
|
|
|
/* |
443
|
|
|
* render_field() |
444
|
|
|
* |
445
|
|
|
* Create the HTML interface for your field |
446
|
|
|
* |
447
|
|
|
* @param $field - an array holding all the field's data |
448
|
|
|
* |
449
|
|
|
* @type action |
450
|
|
|
* @since 3.6 |
451
|
|
|
* @date 23/01/13 |
452
|
|
|
*/ |
453
|
|
|
|
454
|
|
|
function render_field( $field ){ |
|
|
|
|
455
|
|
|
|
456
|
|
|
// Change Field into a select |
457
|
|
|
$field['type'] = 'select'; |
458
|
|
|
$field['ui'] = 1; |
459
|
|
|
$field['ajax'] = 1; |
460
|
|
|
$field['choices'] = array(); |
461
|
|
|
|
462
|
|
|
|
463
|
|
|
// populate choices if value exists |
464
|
|
|
if( !empty($field['value']) ) { |
465
|
|
|
|
466
|
|
|
// get posts |
467
|
|
|
$posts = $this->get_posts( $field['value'], $field ); |
468
|
|
|
|
469
|
|
|
|
470
|
|
|
// set choices |
471
|
|
View Code Duplication |
if( !empty($posts) ) { |
|
|
|
|
472
|
|
|
|
473
|
|
|
foreach( array_keys($posts) as $i ) { |
474
|
|
|
|
475
|
|
|
// vars |
476
|
|
|
$post = acf_extract_var( $posts, $i ); |
477
|
|
|
|
478
|
|
|
|
479
|
|
|
if( is_object($post) ) { |
480
|
|
|
|
481
|
|
|
// append to choices |
482
|
|
|
$field['choices'][ $post->ID ] = $this->get_post_title( $post, $field ); |
483
|
|
|
|
484
|
|
|
} else { |
485
|
|
|
|
486
|
|
|
// append to choices |
487
|
|
|
$field['choices'][ $post ] = $post; |
488
|
|
|
|
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
|
498
|
|
|
// render |
499
|
|
|
acf_render_field( $field ); |
|
|
|
|
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
|
503
|
|
|
/* |
504
|
|
|
* render_field_settings() |
505
|
|
|
* |
506
|
|
|
* Create extra options for your field. This is rendered when editing a field. |
507
|
|
|
* The value of $field['name'] can be used (like bellow) to save extra data to the $field |
508
|
|
|
* |
509
|
|
|
* @type action |
510
|
|
|
* @since 3.6 |
511
|
|
|
* @date 23/01/13 |
512
|
|
|
* |
513
|
|
|
* @param $field - an array holding all the field's data |
514
|
|
|
*/ |
515
|
|
|
|
516
|
|
|
function render_field_settings( $field ) { |
|
|
|
|
517
|
|
|
|
518
|
|
|
// post_type |
519
|
|
|
acf_render_field_setting( $field, array( |
520
|
|
|
'label' => __('Filter by Post Type','acf'), |
521
|
|
|
'instructions' => '', |
522
|
|
|
'type' => 'select', |
523
|
|
|
'name' => 'post_type', |
524
|
|
|
'choices' => acf_get_pretty_post_types(), |
525
|
|
|
'multiple' => 1, |
526
|
|
|
'ui' => 1, |
527
|
|
|
'allow_null' => 1, |
528
|
|
|
'placeholder' => __("All post types",'acf'), |
529
|
|
|
)); |
530
|
|
|
|
531
|
|
|
|
532
|
|
|
// taxonomy |
533
|
|
|
acf_render_field_setting( $field, array( |
534
|
|
|
'label' => __('Filter by Taxonomy','acf'), |
535
|
|
|
'instructions' => '', |
536
|
|
|
'type' => 'select', |
537
|
|
|
'name' => 'taxonomy', |
538
|
|
|
'choices' => acf_get_taxonomy_terms(), |
539
|
|
|
'multiple' => 1, |
540
|
|
|
'ui' => 1, |
541
|
|
|
'allow_null' => 1, |
542
|
|
|
'placeholder' => __("All taxonomies",'acf'), |
543
|
|
|
)); |
544
|
|
|
|
545
|
|
|
|
546
|
|
|
// allow_null |
547
|
|
|
acf_render_field_setting( $field, array( |
548
|
|
|
'label' => __('Allow Null?','acf'), |
549
|
|
|
'instructions' => '', |
550
|
|
|
'type' => 'radio', |
551
|
|
|
'name' => 'allow_null', |
552
|
|
|
'choices' => array( |
553
|
|
|
1 => __("Yes",'acf'), |
554
|
|
|
0 => __("No",'acf'), |
555
|
|
|
), |
556
|
|
|
'layout' => 'horizontal', |
557
|
|
|
)); |
558
|
|
|
|
559
|
|
|
|
560
|
|
|
// multiple |
561
|
|
|
acf_render_field_setting( $field, array( |
562
|
|
|
'label' => __('Select multiple values?','acf'), |
563
|
|
|
'instructions' => '', |
564
|
|
|
'type' => 'radio', |
565
|
|
|
'name' => 'multiple', |
566
|
|
|
'choices' => array( |
567
|
|
|
1 => __("Yes",'acf'), |
568
|
|
|
0 => __("No",'acf'), |
569
|
|
|
), |
570
|
|
|
'layout' => 'horizontal', |
571
|
|
|
)); |
572
|
|
|
|
573
|
|
|
} |
574
|
|
|
|
575
|
|
|
|
576
|
|
|
/* |
577
|
|
|
* format_value() |
578
|
|
|
* |
579
|
|
|
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template |
580
|
|
|
* |
581
|
|
|
* @type filter |
582
|
|
|
* @since 3.6 |
583
|
|
|
* @date 23/01/13 |
584
|
|
|
* |
585
|
|
|
* @param $value (mixed) the value which was loaded from the database |
586
|
|
|
* @param $post_id (mixed) the $post_id from which the value was loaded |
587
|
|
|
* @param $field (array) the field array holding all the field options |
588
|
|
|
* |
589
|
|
|
* @return $value (mixed) the modified value |
590
|
|
|
*/ |
|
|
|
|
591
|
|
|
|
592
|
|
|
function format_value( $value, $post_id, $field ) { |
|
|
|
|
593
|
|
|
|
594
|
|
|
// ACF4 null |
595
|
|
|
if( $value === 'null' ) { |
596
|
|
|
|
597
|
|
|
return false; |
598
|
|
|
|
599
|
|
|
} |
600
|
|
|
|
601
|
|
|
|
602
|
|
|
// bail early if no value |
603
|
|
|
if( empty($value) ) { |
604
|
|
|
|
605
|
|
|
return $value; |
606
|
|
|
|
607
|
|
|
} |
608
|
|
|
|
609
|
|
|
|
610
|
|
|
// get posts |
611
|
|
|
$value = $this->get_posts( $value, $field ); |
612
|
|
|
|
613
|
|
|
|
614
|
|
|
// set choices |
615
|
|
|
foreach( array_keys($value) as $i ) { |
616
|
|
|
|
617
|
|
|
// vars |
618
|
|
|
$post = acf_extract_var( $value, $i ); |
619
|
|
|
|
620
|
|
|
|
621
|
|
|
// convert $post to permalink |
622
|
|
|
if( is_object($post) ) { |
623
|
|
|
|
624
|
|
|
$post = get_permalink( $post ); |
625
|
|
|
|
626
|
|
|
} |
627
|
|
|
|
628
|
|
|
|
629
|
|
|
// append back to $value |
630
|
|
|
$value[ $i ] = $post; |
631
|
|
|
|
632
|
|
|
} |
633
|
|
|
|
634
|
|
|
|
635
|
|
|
// convert back from array if neccessary |
636
|
|
|
if( !$field['multiple'] ) { |
637
|
|
|
|
638
|
|
|
$value = array_shift($value); |
639
|
|
|
|
640
|
|
|
} |
641
|
|
|
|
642
|
|
|
|
643
|
|
|
// return value |
644
|
|
|
return $value; |
645
|
|
|
|
646
|
|
|
} |
647
|
|
|
|
648
|
|
|
|
649
|
|
|
/* |
650
|
|
|
* update_value() |
651
|
|
|
* |
652
|
|
|
* This filter is appied to the $value before it is updated in the db |
653
|
|
|
* |
654
|
|
|
* @type filter |
655
|
|
|
* @since 3.6 |
656
|
|
|
* @date 23/01/13 |
657
|
|
|
* |
658
|
|
|
* @param $value - the value which will be saved in the database |
659
|
|
|
* @param $post_id - the $post_id of which the value will be saved |
660
|
|
|
* @param $field - the field array holding all the field options |
661
|
|
|
* |
662
|
|
|
* @return $value - the modified value |
663
|
|
|
*/ |
|
|
|
|
664
|
|
|
|
665
|
|
View Code Duplication |
function update_value( $value, $post_id, $field ) { |
|
|
|
|
666
|
|
|
|
667
|
|
|
// validate |
668
|
|
|
if( empty($value) ) { |
669
|
|
|
|
670
|
|
|
return $value; |
671
|
|
|
|
672
|
|
|
} |
673
|
|
|
|
674
|
|
|
|
675
|
|
|
// format |
676
|
|
|
if( is_array($value) ) { |
677
|
|
|
|
678
|
|
|
// array |
679
|
|
|
foreach( $value as $k => $v ){ |
680
|
|
|
|
681
|
|
|
// object? |
682
|
|
|
if( is_object($v) && isset($v->ID) ) |
683
|
|
|
{ |
684
|
|
|
$value[ $k ] = $v->ID; |
685
|
|
|
} |
686
|
|
|
} |
687
|
|
|
|
688
|
|
|
|
689
|
|
|
// save value as strings, so we can clearly search for them in SQL LIKE statements |
690
|
|
|
$value = array_map('strval', $value); |
691
|
|
|
|
692
|
|
|
} elseif( is_object($value) && isset($value->ID) ) { |
693
|
|
|
|
694
|
|
|
// object |
695
|
|
|
$value = $value->ID; |
696
|
|
|
|
697
|
|
|
} |
698
|
|
|
|
699
|
|
|
|
700
|
|
|
// return |
701
|
|
|
return $value; |
702
|
|
|
|
703
|
|
|
} |
704
|
|
|
|
705
|
|
|
} |
706
|
|
|
|
707
|
|
|
new acf_field_page_link(); |
708
|
|
|
|
709
|
|
|
endif; |
710
|
|
|
|
711
|
|
|
?> |
|
|
|
|
712
|
|
|
|
This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types.