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acf taxonomy meta data lookup
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function acf_get_terms( $args = array() ) { | |
global $wpdb; | |
$defaults = array( | |
'taxonomy_slug' => '', | |
'acf_field_name' => null, | |
'meta_value' => '', | |
); | |
$args = wp_parse_args( $args, $defaults ); | |
if ( empty($args['taxonomy_slug']) || ! taxonomy_exists( $args['taxonomy_slug'] ) || empty( $args['acf_field_name'] ) ) { | |
return new WP_Error( 'invalid_option_name', __('ACF term meta names are formatted as {$term->taxonomy}_{$term->term_id}_{$field[\'name\']}.') ); | |
} | |
$rows = $wpdb->get_results($wpdb->prepare( | |
" | |
SELECT option_name | |
FROM {$wpdb->prefix}options | |
WHERE option_name LIKE %s | |
AND option_value LIKE %s | |
", | |
$args['taxonomy_slug'] . '_%_' . $args['acf_field_name'], | |
empty($args['meta_value']) ? '%' : $args['meta_value'] | |
)); | |
$unit_ids = array(); | |
foreach( $rows as $row ){ | |
preg_match('/^' . $args['taxonomy_slug'] . '_(\d*)_' . $args['acf_field_name'] . '$/', $row->option_name, $matches); | |
$unit_ids[] = $matches[1]; | |
} | |
if ( empty($rows) ) { | |
$terms = array(); | |
} else { | |
$terms = get_terms(array( | |
'taxonomy' => $args['taxonomy_slug'], | |
'hide_empty' => false, | |
'include' => $unit_ids, | |
)); | |
} | |
return $terms; | |
} |
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