swftest.php

<?php
require_once 'public/public.php';

 if (isset($_POST["PHPSESSID"])) {
  session_id($_POST["PHPSESSID"]);
 }

 session_start();
 ini_set("html_errors", "0");

 // Check the upload
 if (!isset($_FILES["Filedata"]) || !is_uploaded_file($_FILES["Filedata"]["tmp_name"]) || $_FILES["Filedata"]["error"] != 0) {
  echo "ERROR:invalid upload";
  exit(0);
 }

 // Get the image and create a thumbnail
 $img = imagecreatefromjpeg($_FILES["Filedata"]["tmp_name"]);
 if (!$img) {
  echo "ERROR:could not create image handle ". $_FILES["Filedata"]["tmp_name"];
  exit(0);
 }

 $width = imageSX($img);
 $height = imageSY($img);

 if (!$width || !$height) {
  echo "ERROR:Invalid width or height";
  exit(0);
 }

 // Build the thumbnail
 $target_width = 100;
 $target_height = 100;
 $target_ratio = $target_width / $target_height;

 $img_ratio = $width / $height;

 if ($target_ratio > $img_ratio) {
  $new_height = $target_height;
  $new_width = $img_ratio * $target_height;
 } else {
  $new_height = $target_width / $img_ratio;
  $new_width = $target_width;
 }

 if ($new_height > $target_height) {
  $new_height = $target_height;
 }
 if ($new_width > $target_width) {
  $new_height = $target_width;
 }

 $new_img = ImageCreateTrueColor(100, 100);
 if (!@imagefilledrectangle($new_img, 0, 0, $target_width-1, $target_height-1, 0)) { // Fill the image black
  echo "ERROR:Could not fill new image";
  exit(0);
 }

 if (!@imagecopyresampled($new_img, $img, ($target_width-$new_width)/2, ($target_height-$new_height)/2, 0, 0, $new_width, $new_height, $width, $height)) {
  echo "ERROR:Could not resize image";
  exit(0);
 }

 if (!isset($_SESSION["file_info"])) {
  $_SESSION["file_info"] = array();
 }

 // Use a output buffering to load the image into a variable
 ob_start();
 imagejpeg($new_img);
 $imagevariable = ob_get_contents();
 ob_end_clean();
 $file_id = md5($_FILES["Filedata"]["tmp_name"] + rand()*100000);
 $_SESSION["file_info"][$file_id] = $imagevariable;
 //上传图片处理

if(!is_dir("uploadimage"))
{
   mkdir("uploadimage");
}
$pre_fix=md5('120ask120');
  move_uploaded_file($_FILES["Filedata"]["tmp_name"],trim("./uploadimage/".$pre_fix.$file_id.".jpg"));
/*图片处理结束*/  
 echo "FILEID:" . $file_id; // Return the file id to the script
?>