Thinkphp 去除bom头解决模版空输出问题

浏览数：40 / 时间：2015年06月09日

<?php
if (isset($_GET[‘dir‘])){ //config the basedir
  $basedir=$_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);
}
?>