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Background: For an university project I have to use PHP5 to create a web application that also deals with images. I’m not allowed to use any external APIs, frameworks or AJAX.
Is there a native function to resize images in PHP5?
(I know a can specify both width and height for an img tag, but that resizing is done on the client. I’d rather save downsized images on the server.)
The GD library has been bundled with PHP since 4.3, and will do what you want: http://uk.php.net/manual/en/book.image.php. You’ll probably want something like
imagecopyresampled.