Online PHP editor | output for BQ793

<?php /** * Get meta values * * @return array */ public static function get_meta_values( $key = '', $type = 'resume', $status = 'publish' ) { global $wpdb; if( empty( $key ) ) return; $r = $wpdb->get_results( $wpdb->prepare( " SELECT p.ID, pm.meta_value FROM {$wpdb->postmeta} pm LEFT JOIN {$wpdb->posts} p ON p.ID = pm.post_id WHERE pm.meta_key = '%s' AND p.post_status = '%s' AND p.post_type = '%s' ", $key, $status, $type )); $metas = []; foreach ($r as $my_r) { $metas[$my_r->ID] = $my_r->meta_value; } return $metas; } /** * Get active languages for filter * * @return array */ public static function get_active_languages() { $language_metas = self::get_meta_values('resume_other_langs'); $languages = []; foreach ($language_metas as $language_meta) { $active_languages = unserialize($language_meta); if (count($active_languages) > 0) { foreach ($active_languages as $active_language) { $languages[] = $active_language['resume_other_lang_name'].' : '.$active_language['resume_other_lang_know']; } } } $languages = array_unique($languages); return $languages; }