bootstrap.php

<?php

/**
 * Validate the PHP version to already
 * stop at older or too recent versions
 *
 * This check can be disabled by setting:
 * define('KIRBY_PHP_VERSION_CHECK', false);
 * in your `index.php`.
 *
 * ATTENTION: Set this constant at your own risk only.
 * PHP releases contain backward-incompatible changes that can
 * cause and have caused unexpected behavior and security impact.
 * We strongly advise against disabling the PHP version check
 * in production.
 */
if (
	(
		defined('KIRBY_PHP_VERSION_CHECK') !== true ||
		KIRBY_PHP_VERSION_CHECK !== false
	) && (
		version_compare(PHP_VERSION, '8.2.0', '>=') === false ||
		version_compare(PHP_VERSION, '8.6.0', '<')  === false
	)
) {
	http_response_code(503);
	die(include __DIR__ . '/views/php.php');
}

if (is_file($autoloader = dirname(__DIR__) . '/vendor/autoload.php')) {
	/**
	 * Always prefer a site-wide Composer autoloader
	 * if it exists, it means that the user has probably
	 * installed additional packages
	 */
	include $autoloader;
} elseif (is_file($autoloader = __DIR__ . '/vendor/autoload.php')) {
	/**
	 * Fall back to the local autoloader if that exists
	 */
	include $autoloader;
}
/**
 * If neither one exists, don't bother searching;
 * it's a custom directory setup and the users need to
 * load the autoloader themselves
 */