Create function.php

2017-06-16 04:15:41 +02:00
parent ab0084ba7c
commit 3d9f1c7056
1 changed files with 44 additions and 0 deletions
@@ -0,0 +1,44 @@
 <?php
 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 */
 	$path = 'i/'.$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);
 }
 ?>