Adding text to all images from folder (directory) in PHP

add_text_images_dir.php

<?php

/*

	Adding text to all images from folder (directory) in PHP

	Like this: https://addtext.com
	And this API: https://cloudinary.com/documentation/image_transformations#adding_text_captions

	LIBRARY: https://github.com/Intervention/image

	INSTALL:
		$ sudo apt install php-gd
		$ sudo apt install composer
		$ composer require intervention/image

*/

const SOURCE_DIR = 'sources/';
const TARGET_DIR = 'results/';
const TEXT = 'Pied Piper';
const LEFT = 178;
const TOP = 95;
const FONT_SIZE = 30;
const FONT_PATH = '/home/jared_dunn/dev/php/russfest/Ubuntu-L.ttf';
const COLOR = '#fff';

require 'vendor/autoload.php';
use Intervention\Image\ImageManagerStatic as Image;

if ($handle = opendir(SOURCE_DIR)) {

	while (false !== ($entry = readdir($handle))) {

		if ($entry !== '.' && $entry !== '..') {
			$img = Image::make(SOURCE_DIR . $entry);

			$img->text(TEXT, LEFT, TOP, function($font) {
				$font->file(FONT_PATH);
				$font->size(FONT_SIZE);
				$font->color(COLOR);
			});

			$new_filename = TARGET_DIR . substr($entry, 0, -4) . '_' . random_int(1, 999) . '.png';
			$img->save($new_filename);

			/* start output one image in browser */
			header('Content-type: image/png');
			readfile($new_filename);
			/* end output one image in browser */
		}

	}

}

closedir($handle);