<?php  
 if (isset($_GET['dir'])){ //设置文件目录  
 $basedir=$_GET['dir'];  
 }else{  
 $basedir = '.';  
 }  
 $auto = 1;  
 checkdir($basedir);  
 function checkdir($basedir){  
 if ($dh = opendir($basedir)) {  
   while (($file = readdir($dh)) !== false) {  
    if ($file != '.' && $file != '..'){  
     if (!is_dir($basedir."/".$file)) {  
      echo "filename: $basedir/$file ".checkBOM("$basedir/$file")." <br>";  
     }else{  
      $dirname = $basedir."/".$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, $rest);  
    return ("<font color=red>BOM found, automatically removed.</font>");  
   } else {  
    return ("<font color=red>BOM found.</font>");  
   }  
 }  
 else return ("BOM Not Found.");  
 }  
 function rewrite ($filename, $data) {  
 $filenum = fopen($filename, "w");  
 flock($filenum, LOCK_EX);  
 fwrite($filenum, $data);  
 fclose($filenum);  
 }  
 ?>

 

posted on 2015-07-23 11:20  殇TT情落  阅读(194)  评论(0)    收藏  举报