//过滤黑名单关键字函数 function check_($data){ $keywords = "你是大神吗|你好|去死"; if(preg_match("/$keywords/i",$data)){ return; }else{ return $data; } }
<?php function Filter_word( $str, $fileName ) { if ( !($words = file_get_contents( $fileName )) ){ die('file read error!'); } $str = strtolower($str); //var_dump($words); $word = preg_replace("/[1,2,3] | /i", '', $words); //$wor = substr($word,0,-1); //$w = preg_replace("|/|i", '/', $word); //echo "<pre>"; //var_dump($w); //$words = "aaa|bbb|ccc|ddd|eee"; $matched = preg_replace('/'.$word.'/i', '***', $string); return $matched; } $content = "<a href='#'>我要aaafsdfbbb</a>"; if ($result = Filter_word($content, './words.txt') ){ echo $result; echo "替换成功 "; }else{ echo "替换失败! "; ?>
希望本文所述对大家的PHP程序设计有所帮助。