<?php
/**
* 批量去除文件头bom.
* Author: Simon
* E-mail: vsiryxm@qq.com
* Date: 2015-8-5
*/
class Bom {
static public $total = 0; //文件数统计
static public $count = 0; //替换数统计
protected $config = array(
'auto' => 1, // 是否自动替换 1为自动替换
'dir' => '.', // 遍历的目录 默认当前
'r' => 1, // 1为递归
);
function __construct(){
if(isset($_REQUEST['auto'])){
$this->config['auto'] = $_REQUEST['auto'];
}
if(!empty($_REQUEST['dir'])){
$this->config['dir'] = $_REQUEST['dir'];
}
if(isset($_REQUEST['r'])){
$this->config['r'] = $_REQUEST['r'];
}
}
// 设置
public function set($key,$value=''){
if(isset($this->config[$key])){
$this->config[$key] = $value;
}
}
// 遍历目录下的文件并替换bom
public function remove($curr_dir=''){
$dir = !empty($curr_dir)?$curr_dir:$this->config['dir'];
if($files = opendir($dir)) {
ob_end_flush(); // 直接输出缓冲区内容
while(($file = readdir($files)) !== false) {
if($file != '.' && $file != '..'){
// 是目录 递归
if(is_dir($dir.DIRECTORY_SEPARATOR.$file) && $this->config['r']==1){
$this->remove($dir.DIRECTORY_SEPARATOR.$file);
}
elseif(!is_dir($dir.DIRECTORY_SEPARATOR.$file)){
self::$total++;
if($content = $this->checkBOM($dir.DIRECTORY_SEPARATOR.$file)){
if ($this->config['auto']==1){
$content = substr($content, 3);
$this->rewrite($dir.DIRECTORY_SEPARATOR.$file,$content);
echo '<span style=\'color:red\'>'.$dir.DIRECTORY_SEPARATOR.$file.' 已经替换!</span><br>'.PHP_EOL;
self::$count++;
}
else{
echo '<span style=\'color:red\'>'.$dir.DIRECTORY_SEPARATOR.$file.' 存在Bom!</span><br>'.PHP_EOL;
}
}
else{
echo $dir.DIRECTORY_SEPARATOR.$file.' 没有Bom!<br>'.PHP_EOL;
}
}
}
flush();
//sleep(1);
}
closedir($files);
}
else{
echo '检查路径不存在！';
}
}
// 检查Bom
public function checkBOM($filename){
$content = file_get_contents($filename);
if(!empty($content)){
$charset[1] = substr($content, 0, 1);
$charset[2] = substr($content, 1, 1);
$charset[3] = substr($content, 2, 1);
if (ord($charset[1])==239 && ord($charset[2])==187 && ord($charset[3])==191){
return $content;
}
}
return false;
}
// 重写文件
public function rewrite($filename, $data){
$file = fopen($filename, "w");
flock($file, LOCK_EX);
fwrite($file, $data);
fclose($file);
}
}
////////////////////////////////////////////////
//调用
$bom = new Bom();
echo <<<EOF
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<meta charset="UTF-8" />
<title></title>
<meta name="author" content="Simon(QQ42564096)" />
<style>
body,h1,div{margin:0;padding:0;font:14px/1.5 'Microsoft Yahei',tahoma,arial;}
.process {width:800px;height:750px;padding:20px;border:1px solid #ddd;overflow:scroll;margin-left:20px;line-height:180%;}
h1{font-size:25px;text-indent:20px;margin:20px 0 10px 0;}
</style>
</head>
<body>
<h1 id='result'>开始检查Bom...</h1>
<div class='process'>
EOF;
$bom->remove();
echo '<script>document.getElementById(\'result\').innerHTML = \'检测完毕！共有'.Bom::$total.'个文件，替换了'.Bom::$count.'个文件\';</script>';
echo <<<EOF
</div>
</body>
</html>
EOF;
$bom = null;
?>
wangqiang
脚本小子请远离我
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