翟鹏的博客

 
set_time_limit(0);
//ignore_user_abort(true);
ob_implicit_flush(true);
echo '<div style="font-size:12px;">';
 
findBom(dirname(__FILE__) , true);
 
echo ('<h3>Complete!</h3>');
echo '</div>';
exit;
function findBom($path = '.' , $autoRemove = false){
	$dir = $path ;
	$result = opendir($dir);
    while($filename = readdir($result)){
    	if($filename == '.' || $filename == '..') continue ;
    	$file = $dir.DIRECTORY_SEPARATOR . $filename ; 
    	if(is_dir($file)){
    		findBom($file , $autoRemove);
    	}elseif(is_file($file) && in_array(strtolower(strrchr($file ,'.')), array('.php','.phtml','html')) ){
    		$data = file_get_contents($file);
    		if(strlen($data) >= 3){
    			$charset[1]=substr($data, 0, 1);
                $charset[2]=substr($data, 1, 1);
                $charset[3]=substr($data, 2, 1); 
                if (ord($charset[1])==239 && //检测文件开头的字三个符，是否为0xEF, 0xBB, 0xBF
                         ord($charset[2])==187 && 
                             ord($charset[3])==191) {
                    if($autoRemove){
                    	$data = substr($data , 3);
                    	$fp = @fopen($file , 'wb');
                    	if($fp && flock($fp , LOCK_EX)){
                    		fwrite($fp , $data);
                    		echo "<font color=red>$file => Removed</font><br />";
                    	}else{
                    		echo "<font color=red>$file => Found!</font><br />";
                    	}
                    	flock($fp , LOCK_UN);
                    	fclose($fp);
                    }else{
                    	echo "<font color=red>$file => Found!</font><br />";
                    }
               }else{
               	  echo $file .'<br />';
               }
    		}else{
    			echo $file .'<br />';
    		}
    	}
 
    }
    closedir($result);
 
}