PHP批量去除BOM头代码分享

这篇文章主要介绍了PHP批量去除BOM头代码分享,本文直接给出实现代码,代码比较简单,容易看懂,需要的朋友可以参考下

"; }else{ $dirname = $basedir."http://www.jb51.net/".$file; checkdir($dirname); } } } closedir($dh); } } function checkBOM ($filename) { global $auto; $contents = file_get_contents($filename); $charset[1] = substr($contents, 0, 1); $charset[2] = substr($contents, 1, 1); $charset[3] = substr($contents, 2, 1); if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) { if ($auto == 1) { $rest = substr($contents, 3); rewrite ($filename, $rest); return ("发现BOM并且已自动删除"); } else { return ("发现BOM"); } } else return ("没有发现BOM"); } function rewrite ($filename, $data) { $filenum = fopen($filename, "w"); flock($filenum, LOCK_EX); fwrite($filenum, $data); fclose($filenum); } ?>