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- /**
- * Image resize
- * @param int $width
- * @param int $height
- */
- function resize($width, $height){
- /* Get original image x y*/
- list($w, $h) = getimagesize($_FILES['image']['tmp_name']);
- /* calculate new image size with ratio */
- $ratio = max($width/$w, $height/$h);
- $h = ceil($height / $ratio);
- $x = ($w - $width / $ratio) / 2;
- $w = ceil($width / $ratio);
- /* new file name */
- $path = 'uploads/'.$width.'x'.$height.'_'.$_FILES['image']['name'];
- /* read binary data from image file */
- $imgString = file_get_contents($_FILES['image']['tmp_name']);
- /* create image from string */
- $image = imagecreatefromstring($imgString);
- $tmp = imagecreatetruecolor($width, $height);
- imagecopyresampled($tmp, $image,
- 0, 0,
- $x, 0,
- $width, $height,
- $w, $h);
- /* Save image */
- switch ($_FILES['image']['type']) {
- case 'image/jpeg':
- imagejpeg($tmp, $path, 100);
- break;
- case 'image/png':
- imagepng($tmp, $path, 0);
- break;
- case 'image/gif':
- imagegif($tmp, $path);
- break;
- default:
- exit;
- break;
- }
- return $path;
- /* cleanup memory */
- imagedestroy($image);
- imagedestroy($tmp);
- }
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