sae image generation

Put it on sae and generate the image online.
http://tuzhong.sinaapp.com

require('db.php');
if ($_SERVER['REQUEST_METHOD'] == 'POST') {

 $stor = new SaeStorage();


 / /Make sure there is enough space
 $stor_size=$stor->getDomainCapacity($domain);//Get the used size
 if($stor_size>=2*1000*1024*1024)
 {
 //Delete 2 File

 }


 $bitfile = $_FILES[upfile];
 $picfile = $_FILES[uppic] ;
 if($bitfile['size'] >=1024 * 1024 * 10){
 echo '< ;script>alert("Please upload a seed file smaller than 10m!")';
 return ;
 }
 if(empty($picfile)){//If you uploaded a picture

 //File type is a picture, pjpeg is the jpg type in ie, and the file size must not be larger than 10m
 if (in_array($picfile['type'], array('image/gif', 'image/jpeg', 'image/pjpeg', 'image/png'))
 && $picfile['size'] <=1024 * 1024 * 10) {
 $fp = fopen($picfile['tmp_name'], "rb");
 $picdata = fread ($fp, filesize($picfile['tmp_name']));

 }else{
 echo '<script>alert("Please upload pictures smaller than 10m!")</script>';
 return ;
 }
 }else{
 //If no file is uploaded, use this picture
 $picdata = $stor->read($domain,$BasePicture);
 }
 $fp = fopen($bitfile['tmp_name' ],'rb');
 $bitdata = fread($fp,filesize($bitfile['tmp_name']));


 //Merge temporary files
 $fileName = md5(time()).". png";
 $filePath = SAE_TMP_PATH.$fileName;

 $fp = fopen($filePath,'w');
 fwrite($fp,$picdata);
 fwrite($fp,$bitdata);
 fclose( $fp);

 //Upload files
 $url = $stor->upload($domain,$fileName,$filePath);

 echo "<script>window.location.href="down.php? url=$url"</script>";


}

?>