resize.php
<?php
function resizeImg($new_width, $new_height, $get_image, $quality){
ini_set("allow_url_fopen", 1);
list($old_width, $old_height) = getimagesize($get_image);
$image_p = imagecreatetruecolor($new_width, $new_height);
$image = imagecreatefromjpeg($get_image);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $old_width, $old_height);
header('Content-Type: image/jpeg');
imagejpeg($image_p, NULL, $quality);
}
$new_width = $_GET['w'];
$new_height = $_GET['h'];
$get_image = $_GET['img'];
$get_quality = $_GET['q'];
if($get_quality == NULL){$quality = "80";}
else{$quality = $get_quality;}
resizeImg($new_width, $new_height, $get_image, $quality);
?>
Above is code which i use to resize any image (e.g http://example.com/resize.php?w=480&h=320&q=50&img=http://example.com/image.jpg)
But i'm resizing images on just single page in my website so i wanted to implement the code inside that page as a function and put the result of that function in an <img>
tag.