php images_files glob tmp png images array foreach images_files as img

<?php
	
	$images_files = glob("/tmp/i*.png");
	$images = array();
	foreach ($images_files as $img) {
		if (!($i = @imagecreatefrompng($img)))
			$i = imagecreatefromjpeg($img);
		$images[] = $i;
	}
	$out_img = array_shift($images);
	
	imagealphablending($out_img, true);
	imagesavealpha($out_img, true);
	
	foreach ($images as $img) {
		imagecopy($out_img, $img, 0, 0, 0, 0, imagesx($img), imagesy($img));
	}
	
	imagepng($out_img, "/var/www/000-default/xuj.png");