创建文件函数

 function create_file($file_path,$file_name,$result=array()) {
   if(!is_dir($file_path)) mkdir($file_path,0777);
   $handle = @fopen($file_path.$file_name, 'w');
   $content="<?php\n\nreturn " . var_export($result, true) . ";\n\n?>";
   @fwrite($handle, $content);
   fclose($handle);
}