484 lines
9.2 KiB
PHP
484 lines
9.2 KiB
PHP
<?php
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/*
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* acf_get_metadata
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*
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* This function will get a value from the DB
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*
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* @type function
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* @date 16/10/2015
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* @since 5.2.3
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*
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* @param $post_id (mixed)
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* @param $name (string)
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* @param $hidden (boolean)
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* @return $return (mixed)
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*/
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function acf_get_metadata( $post_id = 0, $name = '', $hidden = false ) {
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// vars
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$value = null;
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// bail early if no $post_id (acf_form - new_post)
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if( !$post_id ) return $value;
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// add prefix for hidden meta
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if( $hidden ) {
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$name = '_' . $name;
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}
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// post
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if( is_numeric($post_id) ) {
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$meta = get_metadata( 'post', $post_id, $name, false );
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if( isset($meta[0]) ) {
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$value = $meta[0];
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}
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// user
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} elseif( substr($post_id, 0, 5) == 'user_' ) {
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$user_id = (int) substr($post_id, 5);
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$meta = get_metadata( 'user', $user_id, $name, false );
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if( isset($meta[0]) ) {
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$value = $meta[0];
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}
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// comment
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} elseif( substr($post_id, 0, 8) == 'comment_' ) {
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$comment_id = (int) substr($post_id, 8);
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$meta = get_metadata( 'comment', $comment_id, $name, false );
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if( isset($meta[0]) ) {
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$value = $meta[0];
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}
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} else {
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// modify prefix for hidden meta
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if( $hidden ) {
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$post_id = '_' . $post_id;
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$name = substr($name, 1);
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}
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$value = get_option( $post_id . '_' . $name, null );
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}
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// return
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return $value;
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}
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/*
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* acf_update_metadata
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*
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* This function will update a value from the DB
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*
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* @type function
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* @date 16/10/2015
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* @since 5.2.3
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*
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* @param $post_id (mixed)
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* @param $name (string)
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* @param $value (mixed)
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* @param $hidden (boolean)
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* @return $return (boolean)
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*/
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function acf_update_metadata( $post_id = 0, $name = '', $value = '', $hidden = false ) {
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// vars
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$return = false;
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// add prefix for hidden meta
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if( $hidden ) {
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$name = '_' . $name;
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}
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// postmeta
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if( is_numeric($post_id) ) {
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$return = update_metadata('post', $post_id, $name, $value );
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// usermeta
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} elseif( substr($post_id, 0, 5) == 'user_' ) {
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$user_id = (int) substr($post_id, 5);
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$return = update_metadata('user', $user_id, $name, $value);
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// commentmeta
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} elseif( substr($post_id, 0, 8) == 'comment_' ) {
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$comment_id = (int) substr($post_id, 8);
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$return = update_metadata('comment', $comment_id, $name, $value);
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// options
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} else {
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// modify prefix for hidden meta
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if( $hidden ) {
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$post_id = '_' . $post_id;
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$name = substr($name, 1);
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}
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$return = acf_update_option( $post_id . '_' . $name, $value );
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}
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// return
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return (boolean) $return;
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}
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/*
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* acf_delete_metadata
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*
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* This function will delete a value from the DB
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*
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* @type function
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* @date 16/10/2015
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* @since 5.2.3
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*
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* @param $post_id (mixed)
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* @param $name (string)
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* @param $hidden (boolean)
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* @return $return (boolean)
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*/
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function acf_delete_metadata( $post_id = 0, $name = '', $hidden = false ) {
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// vars
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$return = false;
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// add prefix for hidden meta
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if( $hidden ) {
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$name = '_' . $name;
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}
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// postmeta
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if( is_numeric($post_id) ) {
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$return = delete_metadata('post', $post_id, $name );
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// usermeta
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} elseif( substr($post_id, 0, 5) == 'user_' ) {
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$user_id = (int) substr($post_id, 5);
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$return = delete_metadata('user', $user_id, $name);
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// commentmeta
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} elseif( substr($post_id, 0, 8) == 'comment_' ) {
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$comment_id = (int) substr($post_id, 8);
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$return = delete_metadata('comment', $comment_id, $name);
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// options
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} else {
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// modify prefix for hidden meta
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if( $hidden ) {
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$post_id = '_' . $post_id;
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$name = substr($name, 1);
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}
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$return = delete_option( $post_id . '_' . $name );
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}
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// return
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return $return;
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}
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/*
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* acf_update_option
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*
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* This function is a wrapper for the WP update_option but provides logic for a 'no' autoload
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*
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* @type function
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* @date 4/01/2014
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* @since 5.0.0
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*
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* @param $option (string)
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* @param $value (mixed)
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* @param autoload (mixed)
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* @return (boolean)
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*/
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function acf_update_option( $option = '', $value = '', $autoload = null ) {
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// vars
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$deprecated = '';
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$return = false;
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// autoload
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if( $autoload === null ){
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$autoload = acf_get_setting('autoload') ? 'yes' : 'no';
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}
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// for some reason, update_option does not use stripslashes_deep.
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// update_metadata -> https://core.trac.wordpress.org/browser/tags/3.4.2/wp-includes/meta.php#L82: line 101 (does use stripslashes_deep)
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// update_option -> https://core.trac.wordpress.org/browser/tags/3.5.1/wp-includes/option.php#L0: line 215 (does not use stripslashes_deep)
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$value = stripslashes_deep($value);
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// add or update
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if( get_option($option) !== false ) {
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$return = update_option( $option, $value );
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} else {
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$return = add_option( $option, $value, $deprecated, $autoload );
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}
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// return
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return $return;
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}
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/*
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* acf_get_value
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*
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* This function will load in a field's value
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*
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* @type function
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param $post_id (int)
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* @param $field (array)
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* @return (mixed)
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*/
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function acf_get_value( $post_id = 0, $field ) {
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// cache
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$found = false;
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$cache_slug = "load_value/post_id={$post_id}/name={$field['name']}";
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$cache = wp_cache_get($cache_slug, 'acf', false, $found);
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// return cache if found
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if( $found ) return $cache;
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// load value
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$value = acf_get_metadata( $post_id, $field['name'] );
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// if value was duplicated, it may now be a serialized string!
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$value = maybe_unserialize( $value );
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// no value? try default_value
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if( $value === null && isset($field['default_value']) ) {
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$value = $field['default_value'];
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}
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// filter for 3rd party customization
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$value = apply_filters( "acf/load_value", $value, $post_id, $field );
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$value = apply_filters( "acf/load_value/type={$field['type']}", $value, $post_id, $field );
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$value = apply_filters( "acf/load_value/name={$field['_name']}", $value, $post_id, $field );
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$value = apply_filters( "acf/load_value/key={$field['key']}", $value, $post_id, $field );
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// update cache
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wp_cache_set($cache_slug, $value, 'acf');
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// return
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return $value;
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}
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/*
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* acf_format_value
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*
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* This function will format the value for front end use
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*
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* @type function
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* @date 3/07/2014
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* @since 5.0.0
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*
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* @param $value (mixed)
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* @param $post_id (mixed)
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* @param $field (array)
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* @return $value
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*/
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function acf_format_value( $value, $post_id, $field ) {
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// try cache
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$found = false;
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$cache_slug = "format_value/post_id={$post_id}/name={$field['name']}";
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$cache = wp_cache_get($cache_slug, 'acf', false, $found);
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// return cache if found
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if( $found ) return $cache;
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// apply filters
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$value = apply_filters( "acf/format_value", $value, $post_id, $field );
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$value = apply_filters( "acf/format_value/type={$field['type']}", $value, $post_id, $field );
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$value = apply_filters( "acf/format_value/name={$field['_name']}", $value, $post_id, $field );
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$value = apply_filters( "acf/format_value/key={$field['key']}", $value, $post_id, $field );
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// update cache
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wp_cache_set($cache_slug, $value, 'acf');
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// return
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return $value;
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}
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/*
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* acf_update_value
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*
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* updates a value into the db
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*
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* @type action
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* @date 23/01/13
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*
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* @param $value (mixed)
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* @param $post_id (mixed)
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* @param $field (array)
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* @return (boolean)
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*/
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function acf_update_value( $value = null, $post_id = 0, $field ) {
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// strip slashes
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if( acf_get_setting('stripslashes') ) {
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$value = stripslashes_deep($value);
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}
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// filter for 3rd party customization
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$value = apply_filters( "acf/update_value", $value, $post_id, $field );
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$value = apply_filters( "acf/update_value/type={$field['type']}", $value, $post_id, $field );
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$value = apply_filters( "acf/update_value/name={$field['name']}", $value, $post_id, $field );
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$value = apply_filters( "acf/update_value/key={$field['key']}", $value, $post_id, $field );
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// update value
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$return = acf_update_metadata( $post_id, $field['name'], $value );
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// update reference
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acf_update_metadata( $post_id, $field['name'], $field['key'], true );
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// clear cache
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wp_cache_delete( "load_value/post_id={$post_id}/name={$field['name']}", 'acf' );
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wp_cache_delete( "format_value/post_id={$post_id}/name={$field['name']}", 'acf' );
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// return
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return $return;
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}
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/*
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* acf_delete_value
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*
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* This function will delete a value from the database
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*
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* @type function
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param $post_id (mixed)
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* @param $field (array)
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* @return (boolean)
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*/
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function acf_delete_value( $post_id = 0, $field ) {
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// action for 3rd party customization
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do_action("acf/delete_value", $post_id, $field['name'], $field);
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do_action("acf/delete_value/type={$field['type']}", $post_id, $field['name'], $field);
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do_action("acf/delete_value/name={$field['_name']}", $post_id, $field['name'], $field);
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do_action("acf/delete_value/key={$field['key']}", $post_id, $field['name'], $field);
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// delete value
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$return = acf_delete_metadata( $post_id, $field['name'] );
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// delete reference
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acf_delete_metadata( $post_id, $field['name'], true );
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// clear cache
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wp_cache_delete( "load_value/post_id={$post_id}/name={$field['name']}", 'acf' );
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wp_cache_delete( "format_value/post_id={$post_id}/name={$field['name']}", 'acf' );
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// return
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return $return;
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}
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?>
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