<?php
function sprite_generator($dir) {
    global $img_width, $img_height, $fusion;
    $imgs = glob($dir . "/*.png");
        foreach($imgs as $img) {
            list($width, $height) = getimagesize($img);
            $img_height = $img_height + $height;
            $img_width = $img_width > $width ? $img_width : $width;
        };
        $sprite = imagecreatetruecolor($img_width, $img_height);
        if (is_array($imgs)) {
        foreach($imgs as $img) {
            static $position = 0;
            list($width, $height) = getimagesize($img);
            $fusion = imagecreatefrompng($img);
            imagecopymerge($sprite, $fusion, 0, $position, 0, 0, $img_width, $img_height, 100);
            $position = $position + $height;
			file_css($img);
        };
    };
        header('content-type: image/png');
        file_css($sprite);
        imagepng($sprite, 'sprite.png');
        imagedestroy($sprite);
};
sprite_generator('../css_generator/assets');
?>