php中数组首字符过滤功能代码

复制代码 代码如下: <?php $array = array( ‘abcd’, ‘abcde’, ‘bcde’, ‘cdef’, ‘defg’, ‘defgh’ ); $str = ‘~’.implode(‘~’,$array).’~’; $word = $_GET[‘word’]; //url = xxx.php?word=a preg_match_all(“/~({$word}(?:[^~]*))/i”,$str,$matches); var_dump($matches[1]); //输出 //array(2) { [0]=> string(4) “abcd” [1]=> stri