Files
php_practice/exam168/index.php

26 lines
639 B
PHP

<?php
header('Content-type: image/jpeg');
if(isset($_GET['image'])){
$image = $_GET['image'];
$image_size = getimagesize($image);
$image_width = $image_size[0];
$image_height = $image_size[1];
$new_size = ($image_width + $image_height) / ($image_width * ($image_height / 45));
$new_width = $image_width * $new_size;
$new_height = $image_height * $new_size;
$new_image = imagecreatetruecolor($new_width, $new_height);
$old_image = imagecreatefromjpeg($image);
imagecopyresized($new_image,$old_image,0,0,0,0,$new_width,$new_height,$image_width,$image_height);
imagejpeg($new_image);
}
?>