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May 16, 2022 14:37
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ACF Custom Multisite Relationship Field
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<?php | |
class acf_field_relationship_multisite extends acf_field { | |
/* | |
* __construct | |
* | |
* This function will setup the field type data | |
* | |
* @type function | |
* @date 5/03/2014 | |
* @since 5.0.0 | |
* | |
* @param n/a | |
* @return n/a | |
*/ | |
function __construct() { | |
// vars | |
$this->name = 'relationship_multisite'; | |
$this->label = __("Relationship Multisite",'acf'); | |
// show_in_graphql | |
$this->show_in_graphql = true; | |
// graphql_field_name | |
$this->graphql_field_name = 'parentItems'; | |
// Show in Rest | |
$this->show_in_rest = true; | |
$this->category = 'relational'; | |
$this->defaults = array( | |
'post_type' => array(), | |
'taxonomy' => array(), | |
'site' => array(), | |
'max' => 0, | |
'filters' => array('search', 'post_type', 'taxonomy'), | |
'elements' => array(), | |
'return_format' => 'object', | |
); | |
$this->l10n = array( | |
'max' => __("Maximum values reached ( {max} values )",'acf'), | |
'loading' => __('Loading','acf'), | |
'empty' => __('No matches found','acf'), | |
); | |
// extra | |
add_action('wp_ajax_acf/fields/relationship_multisite/query', array($this, 'ajax_query')); | |
add_action('wp_ajax_nopriv_acf/fields/relationship_multisite/query', array($this, 'ajax_query')); | |
// do not delete! | |
parent::__construct(); | |
} | |
function input_admin_enqueue_scripts() { | |
$dir = plugin_dir_url( __FILE__ ); | |
// register & include JS | |
wp_register_script( 'acf-relationship_multisite', "{$dir}js/input.js" ); | |
wp_enqueue_script('acf-relationship_multisite'); | |
} | |
/* | |
* query_posts | |
* | |
* description | |
* | |
* @type function | |
* @date 24/10/13 | |
* @since 5.0.0 | |
* | |
* @param $post_id (int) | |
* @return $post_id (int) | |
*/ | |
function ajax_query() { | |
// options | |
$options = acf_parse_args( $_POST, array( | |
'post_id' => 0, | |
's' => '', | |
'post_type' => '', | |
'taxonomy' => '', | |
'lang' => false, | |
'field_key' => '', | |
'nonce' => '', | |
'paged' => 1 | |
)); | |
// validate | |
if( ! wp_verify_nonce($options['nonce'], 'acf_nonce') ) { | |
die(); | |
} | |
// vars | |
$r = array(); | |
$args = array(); | |
// paged | |
$args['posts_per_page'] = 20; | |
$args['paged'] = $options['paged']; | |
// load field | |
$field = acf_get_field( $options['field_key'] ); | |
if( !$field ) { | |
die(); | |
} | |
// WPML | |
if( $options['lang'] ) { | |
global $sitepress; | |
if( !empty($sitepress) ) { | |
$sitepress->switch_lang( $options['lang'] ); | |
} | |
} | |
// update $args | |
if( !empty($options['post_type']) ) { | |
$args['post_type'] = dhz_get_array( $options['post_type'] ); | |
} elseif( !empty($field['post_type']) ) { | |
$args['post_type'] = dhz_get_array( $field['post_type'] ); | |
} else { | |
$args['post_type'] = acf_get_post_types(); | |
} | |
// update taxonomy | |
$taxonomies = array(); | |
if( !empty($options['taxonomy']) ) { | |
$term = acf_decode_taxonomy_term($options['taxonomy']); | |
// append to $args | |
$args['tax_query'] = array( | |
array( | |
'taxonomy' => $term['taxonomy'], | |
'field' => 'slug', | |
'terms' => $term['term'], | |
) | |
); | |
} elseif( !empty($field['taxonomy']) ) { | |
$taxonomies = acf_decode_taxonomy_terms( $field['taxonomy'] ); | |
// append to $args | |
$args['tax_query'] = array(); | |
// now create the tax queries | |
foreach( $taxonomies as $taxonomy => $terms ) { | |
$args['tax_query'][] = array( | |
'taxonomy' => $taxonomy, | |
'field' => 'slug', | |
'terms' => $terms, | |
); | |
} | |
} | |
// search | |
if( $options['s'] ) { | |
$args['s'] = $options['s']; | |
} | |
// filters | |
$args = apply_filters('acf/fields/relationship/query', $args, $field, $options['post_id']); | |
$args = apply_filters('acf/fields/relationship/query/name=' . $field['name'], $args, $field, $options['post_id'] ); | |
$args = apply_filters('acf/fields/relationship/query/key=' . $field['key'], $args, $field, $options['post_id'] ); | |
// get posts grouped by post type | |
$groups = $this->acf_get_posts_from_site( $args, $field['site'] ); | |
if( !empty($groups) ) { | |
foreach( array_keys($groups) as $group_title ) { | |
// vars | |
$posts = acf_extract_var( $groups, $group_title ); | |
$titles = array(); | |
// data | |
$data = array( | |
'text' => $group_title, | |
'children' => array() | |
); | |
foreach( array_keys($posts) as $post_id ) { | |
// override data | |
$posts[ $post_id ] = $this->get_post_title( $posts[ $post_id ], $field, $options['post_id'] ); | |
}; | |
// order by search | |
if( !empty($args['s']) ) { | |
$posts = acf_order_by_search( $posts, $args['s'] ); | |
} | |
// append to $data | |
foreach( array_keys($posts) as $post_id ) { | |
$data['children'][] = array( | |
'id' => $post_id, | |
'text' => $posts[ $post_id ] | |
); | |
} | |
// append to $r | |
$r[] = $data; | |
} | |
// optgroup or single | |
$post_types = dhz_get_array( $args['post_type'] ); | |
// add as optgroup or results | |
if( count($post_types) == 1 ) { | |
$r = $r[0]['children']; | |
} | |
} | |
// return JSON | |
echo json_encode( $r ); | |
die(); | |
} | |
/* | |
* get_post_title | |
* | |
* This function returns the HTML for a result | |
* | |
* @type function | |
* @date 1/11/2013 | |
* @since 5.0.0 | |
* | |
* @param $post (object) | |
* @param $field (array) | |
* @param $post_id (int) the post_id to which this value is saved to | |
* @return (string) | |
*/ | |
function get_post_title( $post, $field, $post_id = 0 ) { | |
// get post_id | |
if( !$post_id ) { | |
$form_data = acf_get_setting('form_data'); | |
if( !empty($form_data['post_id']) ) { | |
$post_id = $form_data['post_id']; | |
} else { | |
$post_id = get_the_ID(); | |
} | |
} | |
// vars | |
$title = acf_get_post_title( $post ); | |
// elements | |
if( !empty($field['elements']) ) { | |
if( in_array('featured_image', $field['elements']) ) { | |
$image = ''; | |
if( $post->post_type == 'attachment' ) { | |
$image = wp_get_attachment_image( $post->ID, array(17, 17) ); | |
} else { | |
$image = get_the_post_thumbnail( $post->ID, array(17, 17) ); | |
} | |
$title = '<div class="thumbnail">' . $image . '</div>' . $title; | |
} | |
} | |
// filters | |
$title = apply_filters('acf/fields/relationship/result', $title, $post, $field, $post_id); | |
$title = apply_filters('acf/fields/relationship/result/name=' . $field['_name'], $title, $post, $field, $post_id); | |
$title = apply_filters('acf/fields/relationship/result/key=' . $field['key'], $title, $post, $field, $post_id); | |
// return | |
return $title; | |
} | |
/* | |
* get_posts | |
* | |
* This function will return an array of posts for a given field value | |
* | |
* @type function | |
* @date 13/06/2014 | |
* @since 5.0.0 | |
* | |
* @param $value (array) | |
* @return $value | |
*/ | |
function get_posts( $value ) { | |
// force value to array | |
$value = dhz_get_array( $value ); | |
// convert to int | |
$value = array_map('intval', $value); | |
// load posts in 1 query to save multiple DB calls from following code | |
if( count($value) > 1 ) { | |
get_posts(array( | |
'posts_per_page' => -1, | |
'post_type' => acf_get_post_types(), | |
'post_status' => 'any', | |
'post__in' => $value, | |
)); | |
} | |
// vars | |
$posts = array(); | |
// update value to include $post | |
foreach( $value as $post_id ) { | |
if( $post = get_post( $post_id ) ) { | |
$posts[] = $post; | |
} | |
} | |
// return | |
return $posts; | |
} | |
/* | |
* render_field() | |
* | |
* Create the HTML interface for your field | |
* | |
* @param $field - an array holding all the field's data | |
* | |
* @type action | |
* @since 3.6 | |
* @date 23/01/13 | |
*/ | |
function render_field( $field ) { | |
switch_to_blog( $field['site'] ); | |
echo '<p>'.__('You are looking on posts from site','acf-relationship-multisite').' <strong>'.get_bloginfo('name' ).'</strong></p>'; | |
restore_current_blog(); | |
// vars | |
$values = array(); | |
$atts = array( | |
'id' => $field['id'], | |
'class' => "acf-relationship {$field['class']}", | |
'data-max' => $field['max'], | |
'data-s' => '', | |
'data-post_type' => '', | |
'data-taxonomy' => '', | |
'data-paged' => 1, | |
); | |
// Lang | |
if( defined('ICL_LANGUAGE_CODE') ) { | |
$atts['data-lang'] = ICL_LANGUAGE_CODE; | |
} | |
// data types | |
$field['post_type'] = dhz_get_array( $field['post_type'] ); | |
$field['taxonomy'] = dhz_get_array( $field['taxonomy'] ); | |
// post_types | |
$post_types = array(); | |
if( !empty($field['post_type']) ) { | |
$post_types = $field['post_type']; | |
} else { | |
$post_types = acf_get_post_types(); | |
} | |
$post_types = acf_get_pretty_post_types($post_types); | |
// taxonomies | |
$taxonomies = array(); | |
if( !empty($field['taxonomy']) ) { | |
// get the field's terms | |
$term_groups = dhz_get_array( $field['taxonomy'] ); | |
$term_groups = acf_decode_taxonomy_terms( $term_groups ); | |
// update taxonomies | |
$taxonomies = array_keys($term_groups); | |
} elseif( !empty($field['post_type']) ) { | |
// loop over post types and find connected taxonomies | |
foreach( $field['post_type'] as $post_type ) { | |
$post_taxonomies = get_object_taxonomies( $post_type ); | |
// bail early if no taxonomies | |
if( empty($post_taxonomies) ) { | |
continue; | |
} | |
foreach( $post_taxonomies as $post_taxonomy ) { | |
if( !in_array($post_taxonomy, $taxonomies) ) { | |
$taxonomies[] = $post_taxonomy; | |
} | |
} | |
} | |
} else { | |
$taxonomies = acf_get_taxonomies(); | |
} | |
// terms | |
$term_groups = acf_get_taxonomy_terms( $taxonomies ); | |
// update $term_groups with specific terms | |
if( !empty($field['taxonomy']) ) { | |
foreach( array_keys($term_groups) as $taxonomy ) { | |
foreach( array_keys($term_groups[ $taxonomy ]) as $term ) { | |
if( ! in_array($term, $field['taxonomy']) ) { | |
unset($term_groups[ $taxonomy ][ $term ]); | |
} | |
} | |
} | |
} | |
// width for select filters | |
$width = array( | |
'search' => 0, | |
'post_type' => 0, | |
'taxonomy' => 0 | |
); | |
if( !empty($field['filters']) ) { | |
$width = array( | |
'search' => 50, | |
'post_type' => 25, | |
'taxonomy' => 25 | |
); | |
foreach( array_keys($width) as $k ) { | |
if( ! in_array($k, $field['filters']) ) { | |
$width[ $k ] = 0; | |
} | |
} | |
// search | |
if( $width['search'] == 0 ) { | |
$width['post_type'] = ( $width['post_type'] == 0 ) ? 0 : 50; | |
$width['taxonomy'] = ( $width['taxonomy'] == 0 ) ? 0 : 50; | |
} | |
// post_type | |
if( $width['post_type'] == 0 ) { | |
$width['taxonomy'] = ( $width['taxonomy'] == 0 ) ? 0 : 50; | |
} | |
// taxonomy | |
if( $width['taxonomy'] == 0 ) { | |
$width['post_type'] = ( $width['post_type'] == 0 ) ? 0 : 50; | |
} | |
// search | |
if( $width['post_type'] == 0 && $width['taxonomy'] == 0 ) { | |
$width['search'] = ( $width['search'] == 0 ) ? 0 : 100; | |
} | |
} | |
?> | |
<div <?php acf_esc_attr_e($atts); ?>> | |
<div class="acf-hidden"> | |
<input type="hidden" name="<?php echo $field['name']; ?>" value="" /> | |
</div> | |
<?php if( $width['search'] > 0 || $width['post_type'] > 0 || $width['taxonomy'] > 0 ): ?> | |
<div class="filters"> | |
<ul class="acf-hl"> | |
<?php if( $width['search'] > 0 ): ?> | |
<li style="width:<?php echo $width['search']; ?>%;"> | |
<div class="inner"> | |
<input class="filter" data-filter="s" placeholder="<?php _e("Search...",'acf'); ?>" type="text" /> | |
</div> | |
</li> | |
<?php endif; ?> | |
<?php if( $width['post_type'] > 0 ): ?> | |
<li style="width:<?php echo $width['post_type']; ?>%;"> | |
<div class="inner"> | |
<select class="filter" data-filter="post_type"> | |
<option value=""><?php _e('Select post type','acf'); ?></option> | |
<?php foreach( $post_types as $k => $v ): ?> | |
<option value="<?php echo $k; ?>"><?php echo $v; ?></option> | |
<?php endforeach; ?> | |
</select> | |
</div> | |
</li> | |
<?php endif; ?> | |
<?php if( $width['taxonomy'] > 0 ): ?> | |
<li style="width:<?php echo $width['taxonomy']; ?>%;"> | |
<div class="inner"> | |
<select class="filter" data-filter="taxonomy"> | |
<option value=""><?php _e('Select taxonomy','acf'); ?></option> | |
<?php foreach( $term_groups as $k_opt => $v_opt ): ?> | |
<optgroup label="<?php echo $k_opt; ?>"> | |
<?php foreach( $v_opt as $k => $v ): ?> | |
<option value="<?php echo $k; ?>"><?php echo $v; ?></option> | |
<?php endforeach; ?> | |
</optgroup> | |
<?php endforeach; ?> | |
</select> | |
</div> | |
</li> | |
<?php endif; ?> | |
</ul> | |
</div> | |
<?php endif; ?> | |
<div class="selection acf-cf"> | |
<div class="choices"> | |
<ul class="acf-bl list"></ul> | |
</div> | |
<div class="values"> | |
<ul class="acf-bl list"> | |
<?php if( !empty($field['value']) ): | |
// get posts | |
switch_to_blog( $field['site'] ); | |
$posts = $this->get_posts( $field['value'] ); | |
// set choices | |
if( !empty($posts) ): | |
foreach( array_keys($posts) as $i ): | |
// vars | |
$post = acf_extract_var( $posts, $i ); | |
?><li> | |
<input type="hidden" name="<?php echo $field['name']; ?>[]" value="<?php echo $post->ID; ?>" /> | |
<span data-id="<?php echo $post->ID; ?>" class="acf-rel-item"> | |
<?php echo $this->get_post_title( $post, $field ); ?> | |
<a href="#" role="button" aria-label="Remove this item" title="Remove this item" class="acf-icon small dark" data-name="remove_item"><i class="acf-sprite-remove"></i></a> | |
</span> | |
</li><?php | |
endforeach; | |
endif; | |
restore_current_blog(); | |
endif; ?> | |
</ul> | |
</div> | |
</div> | |
</div> | |
<?php | |
} | |
/* | |
* render_field_settings() | |
* | |
* Create extra options for your field. This is rendered when editing a field. | |
* The value of $field['name'] can be used (like bellow) to save extra data to the $field | |
* | |
* @type action | |
* @since 3.6 | |
* @date 23/01/13 | |
* | |
* @param $field - an array holding all the field's data | |
*/ | |
function render_field_settings( $field ) { | |
// default_value | |
acf_render_field_setting( $field, array( | |
'label' => __('Multisite','acf-relationship-multisite'), | |
'instructions' => __('Select the site to get posts from','acf-relationship-multisite'), | |
'type' => 'select', | |
'name' => 'site', | |
'choices' => $this->acf_get_sites(), | |
'multiple' => 0, | |
'ui' => 1, | |
'allow_null' => 1, | |
'placeholder' => __("Select site",'acf-relationship-multisite'), | |
)); | |
// filters | |
acf_render_field_setting( $field, array( | |
'label' => __('Filters','acf'), | |
'instructions' => '', | |
'type' => 'checkbox', | |
'name' => 'filters', | |
'choices' => array( | |
'search' => __("Search",'acf'), | |
'post_type' => __("Post Type",'acf'), | |
'taxonomy' => __("Taxonomy",'acf'), | |
), | |
)); | |
// filters | |
acf_render_field_setting( $field, array( | |
'label' => __('Elements','acf'), | |
'instructions' => __('Selected elements will be displayed in each result','acf'), | |
'type' => 'checkbox', | |
'name' => 'elements', | |
'choices' => array( | |
'featured_image' => __("Featured Image",'acf'), | |
), | |
)); | |
// max | |
if( $field['max'] < 1 ) { | |
$field['max'] = ''; | |
} | |
acf_render_field_setting( $field, array( | |
'label' => __('Maximum posts','acf'), | |
'instructions' => '', | |
'type' => 'number', | |
'name' => 'max', | |
)); | |
// return_format | |
acf_render_field_setting( $field, array( | |
'label' => __('Return Format','acf'), | |
'instructions' => '', | |
'type' => 'radio', | |
'name' => 'return_format', | |
'choices' => array( | |
'object' => __("Post Object",'acf'), | |
'id' => __("Post ID",'acf'), | |
), | |
'layout' => 'horizontal', | |
)); | |
} | |
/* | |
* format_value() | |
* | |
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template | |
* | |
* @type filter | |
* @since 3.6 | |
* @date 23/01/13 | |
* | |
* @param $value (mixed) the value which was loaded from the database | |
* @param $post_id (mixed) the $post_id from which the value was loaded | |
* @param $field (array) the field array holding all the field options | |
* | |
* @return $value (mixed) the modified value | |
*/ | |
function format_value( $value, $post_id, $field ) { | |
$r = array(); | |
$selected_posts = array(); | |
switch_to_blog( $field['site'] ); | |
// bail early if no value | |
if( empty($value) ) { | |
restore_current_blog(); | |
return $value; | |
} | |
// force value to array | |
$selected_posts = dhz_get_array( $value ); | |
// convert to int | |
$r['selected_posts'] = array_map('intval', $selected_posts); | |
// load posts if needed | |
if( $field['return_format'] == 'object' ) { | |
// get posts | |
$r['selected_posts'] = $this->get_posts( $selected_posts ); | |
} | |
$r['site_id'] = $field['site']; | |
// return | |
restore_current_blog(); | |
return $r; | |
} | |
/* | |
* load_value() | |
* | |
* This filter is applied to the $value after it is loaded from the db | |
* | |
* @type filter | |
* @since 3.6 | |
* @date 23/01/13 | |
* | |
* @param $value (mixed) the value found in the database | |
* @param $post_id (mixed) the $post_id from which the value was loaded | |
* @param $field (array) the field array holding all the field options | |
* @return $value | |
*/ | |
function load_value( $value, $post_id, $field ) { | |
if( empty($value) ) { | |
return $value; | |
} | |
$value = $value['selected_posts']; | |
return $value; | |
} | |
/* | |
* update_value() | |
* | |
* This filter is appied to the $value before it is updated in the db | |
* | |
* @type filter | |
* @since 3.6 | |
* @date 23/01/13 | |
* | |
* @param $value - the value which will be saved in the database | |
* @param $post_id - the $post_id of which the value will be saved | |
* @param $field - the field array holding all the field options | |
* | |
* @return $value - the modified value | |
*/ | |
function update_value( $value, $post_id, $field ) { | |
$r = array(); | |
$selected_posts = array(); | |
// validate | |
if( empty($value) ) { | |
return $value; | |
} | |
// force value to array | |
$selected_posts = dhz_get_array( $value ); | |
// array | |
foreach( $selected_posts as $k => $v ){ | |
// object? | |
if( is_object($v) && isset($v->ID) ) { | |
$selected_posts[ $k ] = $v->ID; | |
} | |
} | |
// save value as strings, so we can clearly search for them in SQL LIKE statements | |
$r['site_id'] = $field['site']; | |
$r['selected_posts'] = array_map('strval', $selected_posts); | |
// return | |
return $r; | |
} | |
/** | |
* Validates relationship fields updated via the REST API. | |
* | |
* @param bool $valid | |
* @param int $value | |
* @param array $field | |
* | |
* @return bool|WP_Error | |
*/ | |
public function validate_rest_value( $valid, $value, $field ) { | |
return acf_get_field_type( 'post_object' )->validate_rest_value( $valid, $value, $field ); | |
} | |
/** | |
* Return the schema array for the REST API. | |
* | |
* @param array $field | |
* @return array | |
*/ | |
public function get_rest_schema( array $field ) { | |
$schema = array( | |
'type' => array( 'integer', 'array', 'null' ), | |
'required' => ! empty( $field['required'] ), | |
'items' => array( | |
'type' => 'integer', | |
), | |
); | |
if ( empty( $field['allow_null'] ) ) { | |
$schema['minItems'] = 1; | |
} | |
if ( ! empty( $field['min'] ) ) { | |
$schema['minItems'] = (int) $field['min']; | |
} | |
if ( ! empty( $field['max'] ) ) { | |
$schema['maxItems'] = (int) $field['max']; | |
} | |
return $schema; | |
} | |
/** | |
* @see \acf_field::get_rest_links() | |
* @param mixed $value The raw (unformatted) field value. | |
* @param int|string $post_id | |
* @param array $field | |
* @return array | |
*/ | |
public function get_rest_links( $value, $post_id, array $field ) { | |
$links = array(); | |
if ( empty( $value ) ) { | |
return $links; | |
} | |
foreach ( (array) $value as $object_id ) { | |
if ( ! $post_type = get_post_type( $object_id ) or ! $post_type = get_post_type_object( $post_type ) ) { | |
continue; | |
} | |
$rest_base = acf_get_object_type_rest_base( $post_type ); | |
$links[] = array( | |
'rel' => $post_type->name === 'attachment' ? 'acf:attachment' : 'acf:post', | |
'href' => rest_url( sprintf( '/wp/v2/%s/%s', $rest_base, $object_id ) ), | |
'embeddable' => true, | |
); | |
} | |
return $links; | |
} | |
/** | |
* Apply basic formatting to prepare the value for default REST output. | |
* | |
* @param mixed $value | |
* @param string|int $post_id | |
* @param array $field | |
* @return mixed | |
*/ | |
public function format_value_for_rest( $value, $post_id, array $field ) { | |
return acf_format_numerics( $value ); | |
} | |
function acf_get_sites() { | |
$ref = array(); | |
$sites = wp_get_sites(); | |
foreach ($sites as $site) { | |
$current_blog_details = get_blog_details( array( 'blog_id' => $site['blog_id'] ) ); | |
$site_id = $site['blog_id']; | |
$label = $current_blog_details->blogname; | |
$ref[$site_id] = $label; | |
} | |
return $ref; | |
} | |
function acf_get_posts_from_site( $args, $site ) { | |
// vars | |
$r = array(); | |
switch_to_blog( $site ); | |
// defaults | |
$args = acf_parse_args( $args, array( | |
'posts_per_page' => -1, | |
'paged' => 0, | |
'post_type' => 'post', | |
'orderby' => 'menu_order title', | |
'order' => 'ASC', | |
'post_status' => 'any', | |
'suppress_filters' => false, | |
'update_post_meta_cache' => false, | |
'show_in_graphql' => true, | |
'graphql_field_name' => 'parentItems', | |
)); | |
// find array of post_type | |
$post_types = dhz_get_array( $args['post_type'] ); | |
$post_types_labels = acf_get_pretty_post_types($post_types); | |
// attachment doesn't work if it is the only item in an array | |
if( count($post_types) == 1 ) { | |
$args['post_type'] = current($post_types); | |
} | |
// add filter to orderby post type | |
add_filter('posts_orderby', '_acf_orderby_post_type', 10, 2); | |
// get posts | |
$posts = get_posts( $args ); | |
// loop | |
foreach( $post_types as $post_type ) { | |
// vars | |
$this_posts = array(); | |
$this_group = array(); | |
// populate $this_posts | |
foreach( array_keys($posts) as $key ) { | |
if( $posts[ $key ]->post_type == $post_type ) { | |
$this_posts[] = acf_extract_var( $posts, $key ); | |
} | |
} | |
// bail early if no posts for this post type | |
if( empty($this_posts) ) { | |
continue; | |
} | |
// sort into hierachial order! | |
// this will fail if a search has taken place because parents wont exist | |
if( is_post_type_hierarchical($post_type) && empty($args['s'])) { | |
// vars | |
$match_id = $this_posts[ 0 ]->ID; | |
$offset = 0; | |
$length = count($this_posts); | |
// reset $this_posts | |
$this_posts = array(); | |
// get all posts | |
$all_args = array_merge($args, array( | |
'posts_per_page' => -1, | |
'paged' => 0, | |
'post_type' => $post_type | |
)); | |
$all_posts = get_posts( $all_args ); | |
// loop over posts and find $i | |
foreach( $all_posts as $offset => $p ) { | |
if( $p->ID == $match_id ) { | |
break; | |
} | |
} | |
// order posts | |
$all_posts = get_page_children( 0, $all_posts ); | |
for( $i = $offset; $i < ($offset + $length); $i++ ) { | |
$this_posts[] = acf_extract_var( $all_posts, $i); | |
} | |
} | |
// populate $this_posts | |
foreach( array_keys($this_posts) as $key ) { | |
// extract post | |
$post = acf_extract_var( $this_posts, $key ); | |
// add to group | |
$this_group[ $post->ID ] = $post; | |
} | |
// group by post type | |
$post_type_name = $post_types_labels[ $post_type ]; | |
$r[ $post_type_name ] = $this_group; | |
} | |
// return | |
return $r; | |
} | |
} | |
function dhz_get_array( $var = false, $delimiter = ',' ) { | |
// is array? | |
if( is_array($var) ) { | |
return $var; | |
} | |
// bail early if empty | |
if( empty($var) && !is_numeric($var) ) { | |
return array(); | |
} | |
// string | |
if( is_string($var) && $delimiter ) { | |
return explode($delimiter, $var); | |
} | |
// place in array | |
return array( $var ); | |
} | |
new acf_field_relationship_multisite(); | |
?> |
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