影子、月的博客

$str = '1,2,3,4,5,6,7,8,9,10'; //原有字符串 $delStr = '3,4,5'; //需要删除的字符串 $string = substr_replace($str, "", strpos($str, $delStr), strlen($delStr)); //删除字符串中对应的字符串 $string = implode(',', array_filter(explode(',', $string))); //去除逗号 return $string; 通往牛逼的路上，在意.