es($tagthreadlist, 'tagid'); // ζŒ‰η…§ζŽ’εΊ $tagidarr = array(); foreach ($tagcatelist as $v) { foreach ($v['taglist'] as $v2) { if(in_array($v2['tagid'], $tagids)) { $tagidarr[] = $v2['tagid']; } } } return $tagidarr; } ?>