any help appreciated

- Code: Select all
- <?
 $idir = "images/"; // Path To Images Directory
 $tdir = "images/thumbs/"; // Path To Thumbnails Directory
 $twidth = "125"; // Maximum Width For Thumbnail Images
 $theight = "100"; // Maximum Height For Thumbnail Images
 if (!isset($_GET['subpage'])) { // Image Upload Form Below ?>
 <form method="post" action="addphoto.php?subpage=upload" enctype="multipart/form-data">
 File:<br />
 <input type="file" name="imagefile" class="form">
 <br /><br />
 <input name="submit" type="submit" value="Sumbit" class="form"> <input type="reset" value="Clear" class="form">
 </form>
 <? } else if (isset($_GET['subpage']) && $_GET['subpage'] == 'upload') { // Uploading/Resizing Script
 $url = $_FILES['imagefile']['name']; // Set $url To Equal The Filename For Later Use
 if ($_FILES['imagefile']['type'] == "image/jpg" || $_FILES['imagefile']['type'] == "image/jpeg" || $_FILES['imagefile']['type'] == "image/pjpeg") {
 $file_ext = strrchr($_FILES['imagefile']['name'], '.'); // Get The File Extention In The Format Of , For Instance, .jpg, .gif or .php
 $copy = copy($_FILES['imagefile']['tmp_name'], "$idir" . $_FILES['imagefile']['name']); // Move Image From Temporary Location To Permanent Location
 if ($copy) { // If The Script Was Able To Copy The Image To It's Permanent Location
 print 'Image uploaded successfully.<br />'; // Was Able To Successfully Upload Image
 $simg = imagecreatefromjpeg("$idir" . $url); // Make A New Temporary Image To Create The Thumbanil From
 $currwidth = imagesx($simg); // Current Image Width
 $currheight = imagesy($simg); // Current Image Height
 if ($currheight > $currwidth) { // If Height Is Greater Than Width
 $zoom = $twidth / $currheight; // Length Ratio For Width
 $newheight = $theight; // Height Is Equal To Max Height
 $newwidth = $currwidth * $zoom; // Creates The New Width
 } else { // Otherwise, Assume Width Is Greater Than Height (Will Produce Same Result If Width Is Equal To Height)
 $zoom = $twidth / $currwidth; // Length Ratio For Height
 $newwidth = $twidth; // Width Is Equal To Max Width
 $newheight = $currheight * $zoom; // Creates The New Height
 }
 $dimg = imagecreate($newwidth, $newheight); // Make New Image For Thumbnail
 imagetruecolortopalette($simg, false, 256); // Create New Color Pallete
 $palsize = ImageColorsTotal($simg);
 for ($i = 0; $i < $palsize; $i++) { // Counting Colors In The Image
 $colors = ImageColorsForIndex($simg, $i); // Number Of Colors Used
 ImageColorAllocate($dimg, $colors['red'], $colors['green'], $colors['blue']); // Tell The Server What Colors This Image Will Use
 }
 imagecopyresized($dimg, $simg, 0, 0, 0, 0, $newwidth, $newheight, $currwidth, $currheight); // Copy Resized Image To The New Image (So We Can Save It)
 imagejpeg($dimg, "$tdir" . $url); // Saving The Image
 imagedestroy($simg); // Destroying The Temporary Image
 imagedestroy($dimg); // Destroying The Other Temporary Image
 print 'Image thumbnail created successfully.'; // Resize successful
 } else {
 print '<font color="#FF0000">ERROR: Unable to upload image.</font>'; // Error Message If Upload Failed
 }
 } else {
 print '<font color="#FF0000">ERROR: Wrong filetype (has to be a .jpg or .jpeg. Yours is '; // Error Message If Filetype Is Wrong
 print $file_ext; // Show The Invalid File's Extention
 print '.</font>';
 }
 } ?>
thanks


