为什么80%的码农都做不了架构师？>>> 
方案解决目标：对一些黑名单进行过滤处理
function is_spam($text, $file, $split =':', $regex =false){ $handle = fopen($file,'rb'); $contents = fread($handle, filesize($file)); fclose($handle); $lines = explode("n", $contents); $arr = array();foreach($lines as $line){ list($word, $count)= explode($split, $line);if($regex){ $arr[$word]= $count; }else{ $arr[preg_quote($word)]= $count; }} preg_match_all("~".implode('|', array_keys($arr))."~", $text, $matches); $temp = array();foreach($matches[0]as $match){if(!in_array($match, $temp)){ $temp[$match]= $temp[$match]+1;if($temp[$match]>= $arr[$word]) { returntrue; } }}returnfalse; } $file ='spam.txt'; $str ='This string has cat, dog word';if(is_spam($str, $file)) {echo 'this is spam';}else{ echo 'this is not spam';}输出：
ab:3dog:3cat:2monkey:2
