<?php
// The file you are rotating
$image = 'myfile.jpg';
//How many degrees you wish to rotate
$degrees = 180;
// This sets the image type to .jpg but can be changed to png or gif
header('Content-type: image/jpeg') ;
// Create the canvas
$source = imagecreatefromjpeg($image) ;
// Rotates the image
$rotate = imagerotate($source, $degrees, 0) ;
// Outputs a jpg image, you could change this to gif or png if needed
imagejpeg($rotate) ;
?>
