API tools faq
paste
joris

Upload And Resize Image

joris
Mar 12th, 2012
236
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
PHP 5.95 KB | None | 0 0
raw download clone embed print report
  1. <?php ini_set("memory_limit", "200000000"); // for large images so that we do not get "Allowed memory exhausted"?>
  2. <?php
  3. // upload the file
  4. if ((isset($_POST["submitted_form"])) && ($_POST["submitted_form"] == "image_upload_form")) {
  5.    
  6.     // file needs to be jpg,gif,bmp,x-png and 4 MB max
  7.     if (($_FILES["image_upload_box"]["type"] == "image/jpeg" || $_FILES["image_upload_box"]["type"] == "image/pjpeg" || $_FILES["image_upload_box"]["type"] == "image/gif" || $_FILES["image_upload_box"]["type"] == "image/x-png") && ($_FILES["image_upload_box"]["size"] < 4000000))
  8.     {
  9.        
  10.  
  11.         // some settings
  12.         $max_upload_width = 2592;
  13.         $max_upload_height = 1944;
  14.          
  15.         // if user chosed properly then scale down the image according to user preferances
  16.         if(isset($_REQUEST['max_width_box']) and $_REQUEST['max_width_box']!='' and $_REQUEST['max_width_box']<=$max_upload_width){
  17.             $max_upload_width = $_REQUEST['max_width_box'];
  18.         }    
  19.         if(isset($_REQUEST['max_height_box']) and $_REQUEST['max_height_box']!='' and $_REQUEST['max_height_box']<=$max_upload_height){
  20.             $max_upload_height = $_REQUEST['max_height_box'];
  21.         }  
  22.  
  23.        
  24.         // if uploaded image was JPG/JPEG
  25.         if($_FILES["image_upload_box"]["type"] == "image/jpeg" || $_FILES["image_upload_box"]["type"] == "image/pjpeg"){   
  26.             $image_source = imagecreatefromjpeg($_FILES["image_upload_box"]["tmp_name"]);
  27.         }      
  28.         // if uploaded image was GIF
  29.         if($_FILES["image_upload_box"]["type"] == "image/gif"){
  30.             $image_source = imagecreatefromgif($_FILES["image_upload_box"]["tmp_name"]);
  31.         }  
  32.         // BMP doesn't seem to be supported so remove it form above image type test (reject bmps)  
  33.         // if uploaded image was BMP
  34.         if($_FILES["image_upload_box"]["type"] == "image/bmp"){
  35.             $image_source = imagecreatefromwbmp($_FILES["image_upload_box"]["tmp_name"]);
  36.         }          
  37.         // if uploaded image was PNG
  38.         if($_FILES["image_upload_box"]["type"] == "image/x-png"){
  39.             $image_source = imagecreatefrompng($_FILES["image_upload_box"]["tmp_name"]);
  40.         }
  41.        
  42.  
  43.         $remote_file = "image_files/".$_FILES["image_upload_box"]["name"];
  44.         imagejpeg($image_source,$remote_file,100);
  45.         chmod($remote_file,0644);
  46.    
  47.    
  48.  
  49.         // get width and height of original image
  50.         list($image_width, $image_height) = getimagesize($remote_file);
  51.    
  52.         if($image_width>$max_upload_width || $image_height >$max_upload_height){
  53.             $proportions = $image_width/$image_height;
  54.            
  55.             if($image_width>$image_height){
  56.                 $new_width = $max_upload_width;
  57.                 $new_height = round($max_upload_width/$proportions);
  58.             }      
  59.             else{
  60.                 $new_height = $max_upload_height;
  61.                 $new_width = round($max_upload_height*$proportions);
  62.             }      
  63.            
  64.            
  65.             $new_image = imagecreatetruecolor($new_width , $new_height);
  66.             $image_source = imagecreatefromjpeg($remote_file);
  67.            
  68.             imagecopyresampled($new_image, $image_source, 0, 0, 0, 0, $new_width, $new_height, $image_width, $image_height);
  69.             imagejpeg($new_image,$remote_file,100);
  70.            
  71.             imagedestroy($new_image);
  72.         }
  73.        
  74.         imagedestroy($image_source);
  75.        
  76.        
  77.         header("Location: submit.php?upload_message=image uploaded&upload_message_type=success&show_image=".$_FILES["image_upload_box"]["name"]);
  78.         exit;
  79.     }
  80.     else{
  81.         header("Location: submit.php?upload_message=make sure the file is jpg, gif or png and that is smaller than 4MB&upload_message_type=error");
  82.         exit;
  83.     }
  84. }
  85. ?>
  86.  
  87. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  88. <html xmlns="http://www.w3.org/1999/xhtml">
  89. <head>
  90. <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  91. <title>Image Upload with resize</title>
  92. <style type="text/css">
  93. <!--
  94. body,td,th {
  95.     font-family: Arial, Helvetica, sans-serif;
  96.     color: #333333;
  97.     font-size: 12px;
  98. }
  99.  
  100. .upload_message_success {
  101.     padding:4px;
  102.     background-color:#009900;
  103.     border:1px solid #006600;
  104.     color:#FFFFFF;
  105.     margin-top:10px;
  106.     margin-bottom:10px;
  107. }
  108.  
  109. .upload_message_error {
  110.     padding:4px;
  111.     background-color:#CE0000;
  112.     border:1px solid #990000;
  113.     color:#FFFFFF;
  114.     margin-top:10px;
  115.     margin-bottom:10px;
  116. }
  117.  
  118. -->
  119. </style></head>
  120.  
  121. <body>
  122.  
  123. <h1 style="margin-bottom: 0px">Submit an image</h1>
  124.  
  125.  
  126.         <?php if(isset($_REQUEST['upload_message'])){?>
  127.             <div class="upload_message_<?php echo $_REQUEST['upload_message_type'];?>">
  128.             <?php echo htmlentities($_REQUEST['upload_message']);?>
  129.             </div>
  130.         <?php }?>
  131.  
  132.  
  133. <form action="submit.php" method="post" enctype="multipart/form-data" name="image_upload_form" id="image_upload_form" style="margin-bottom:0px;">
  134. <label>Image file, maximum 4MB. it can be jpg, gif,  png:</label><br />
  135.           <input name="image_upload_box" type="file" id="image_upload_box" size="40" />
  136.           <input type="submit" name="submit" value="Upload image" />    
  137.      
  138.      <br />
  139.     <br />
  140.  
  141.      
  142.       <label>Scale down image? (2592 x 1944 px max):</label>
  143.       <br />
  144.       <input name="max_width_box" type="text" id="max_width_box" value="1024" size="4">
  145.       x      
  146.      
  147.       <input name="max_height_box" type="text" id="max_height_box" value="768" size="4">
  148.       px.
  149.       <br />
  150.       <br />
  151.       <p style="padding:5px; border:1px solid #EBEBEB; background-color:#FAFAFA;">
  152.       <strong>Notes:</strong><br />
  153.   The image will not be resized to this exact size; it will be scalled down so that neider width or height is larger than specified.<br />
  154.   When uploading this script make sure you have a directory called &quot;image_files&quot; next to it and make that directory writable, permissions 777.<br />
  155.   After you uploaded images and made tests on our server please <a href="delete_all_images.php">delete all uploaded images </a> :)<br />
  156.   </p>
  157.  
  158.      
  159.  
  160. <input name="submitted_form" type="hidden" id="submitted_form" value="image_upload_form" />
  161.           </form>
  162.  
  163.  
  164.  
  165.  
  166. <?php if(isset($_REQUEST['show_image']) and $_REQUEST['show_image']!=''){?>
  167. <p>
  168.     <img src="image_files/<?php echo $_REQUEST['show_image'];?>" />
  169. </p>
  170. <?php }?>
  171.  
  172.  
  173.  
  174.  
  175. </body>
  176. </html>
Advertisement
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!