How to crop image in php.

 Learn more about php GD Library http://php.net/manual/en/book.image.php

 create index.php file.

<?php
# Note: Install GD libraries 
$filename = 'image.jpg'; //orignal file 
$newFilename = 'newImage.png'; // New file after modification 
 
list($current_width, $current_height) = getimagesize($filename);
$left = 0; //crop left margin
$top = 0;//crop right margin
$cropWidth = 1056; 
$cropHeight = 400;
$canvas = imagecreatetruecolor($cropWidth, $cropHeight);
$currentImage = imagecreatefromjpeg($filename);
imagecopy($canvas, $currentImage, 0, 0, $left, $top, $currentWidth, $currentHeight);
imagejpeg($canvas, $newFilename, 100);
?>