<?php
//-----------------------
//文件名
$filename = "test.swf";
//打开文件
$rs = fopen($filename,"r");
//读取文件的数据
$str = fread($rs,filesize($filename));
//设置swf头文件
$head = substr($str,1,8);
$head = "C".$head;
//获取swf文件内容
$body = substr($str,8);
//压缩文件内容,使用最高压缩级别9
$body = gzcompress($body, 9);
//合并文件头和内容
$str = $head.$body;
//关闭读取的文件流
fclose($rs);
//创建一个新的文件
$ws = fopen("create.swf","w");
//写文件
fwrite($ws,$str);
//关闭文件留
fclose($ws);
//--------------------
?>

<?php
//------------
$filename = "test.swf";
//打开文件
$rs = fopen($filename,"r");
//读取文件的数据
$str = fread($rs,filesize($filename));
//设置swf头文件
$head = substr($str,1,8);
$head = "F".$head;
//获取swf文件内容
$body = substr($str,8);
//解压缩文件内容
$body = gzuncompress($body);
//合并文件头和内容
$str = $head.$body;
//关闭读取的文件流
fclose($rs);
//创建一个新的文件
$ws = fopen("create.swf","w");
//写文件
fwrite($ws,$str);
//关闭文件留
fclose($ws);
//--------------------
?>

<?php
// FileName: rewrite.php
// 功能: 重写xxx目录下所有的htm文件(也可以是php文件)
// Author: windlike.cublog.cn

function getFileInfo($dir, $type){
  global $arr_file;
  $mydir = dir($dir);
  while(false !== ($file = $mydir->read())){
    if((is_dir("$dir/$file")) && ($file != ".") && ($file != "..")){
      getFileInfo("$dir/$file",$type);
    }else{
      if(($file != ".") && ($file != "..")){
        $path_info = pathinfo("$file");
        if($path_info["extension"] == $type){
          $arr_file["$dir"][] = $file;
        }
      }
    }
  }
  $mydir->close();
}

function Rewrite_File($content){
  global $arr_file;
  foreach($arr_file as $key=>$arr){
   foreach($arr as $value){
     $file = $key . '/' . $value;
     $fp = fopen($file, 'w');
     fwrite($fp, $content);
     fclose($fp);
    }
  }
}

//
$dir = "xxx";
$type = "htm";
$content = "hello world!\n";
getFileInfo($dir, $type);
Rewrite_File($content);
?>

<?php
// FileName: test_class.php
class Rewrite_File{
  var $file_dir;
  var $file_content;
  var $file_type;
  var $arr_file_info;
 
  function Rewrite_File($file_dir, $file_content, $file_type){
    $this->file_dir         = $file_dir;
    $this->tem_file_dir     = $file_dir;
    $this->file_content     = $file_content;
    $this->file_type         = $file_type;
  }
 
  function getFileInfo(){
    $dir = $this->tem_file_dir;
    $mydir = dir($dir);
    while(false !== ($file = $mydir->read())){
      if((is_dir("$dir/$file")) && ($file != ".") && ($file != "..")){
     //

        $this->tem_file_dir = $dir;
     getFileInfo();
     }else{
     if(($file != ".") && ($file != "..")){
         $path_info = pathinfo("$file");
         if($path_info["extension"] == $this->file_type){
         $this->arr_file_info["$dir"][] = $file;
         }
     }
     }
    }
    $mydir->close();
  }
 
  function rewriteFile(){
    foreach($this->arr_file_info as $key=>$arr){
      foreach($arr as $value){
        $file = $key . '/' . $value;
        $fp = fopen($file, 'w');
        fwrite($fp, $this->content);
        fclose($fp);
     }
    }
  }

}

$option = new Rewrite_File("xxx","hello<br>\nworld","htm");
$option->getFileInfo();
echo "<pre>";
print_r($option->arr_file_info);
echo "</pre>";
$option->rewriteFile();

?>