PHP Removal BOM

<?PHP/*detect and Clear BOM*/  if(isset($_get[' dir '])){      $basedir=$_get[' dir ']; }Else{      $basedir= '. '; }   $auto= 1; Checkdir ($basedir); functionCheckdir ($basedir){      if($DH=Opendir($basedir)){           while(($file=Readdir($DH)) !==false){              if($file! = '. ' &&$file! = ' ... '){                  if(!Is_dir($basedir." /".$file)){                      Echo"FileName:$basedir/$file". Checkbom ("$basedir/$file")." "; }Else{                      $dirname=$basedir." /".$file; Checkdir ($dirname); }              }          }//End While    Closedir($DH); }//End If ($dh}//End FunctionfunctionCheckbom ($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.")); }//End FunctionfunctionRewrite$filename,$data){      $filenum=fopen($filename, "W"); Flock($filenum,lock_ex); fwrite($filenum,$data); fclose($filenum); }//End Function?>

PHP Removal BOM