autoloader.php

<?php
/**
 * @year: 2019-03-27
 */

add_action( 'admin_head', function () {
	if ( 'plugins' === get_current_screen()->id && !class_exists( 'CSF' ) ){
		?>
		<div id="message" class="updated notice is-dismissible"><p>
				To work <b>#1 RW WordPress AddOn</b> plugin, please download and install <a href="https://github.com/Codestar/codestar-framework" target="_blank">Codestar Framework</a>.
			</p></div>
		<?php
	}
});


/**
 *  Include all php file in subfolder
 */
foreach ( glob( RW_PLUGIN_DIR . 'functions/*.php' ) as $file ){
    $file = basename($file);
    require RW_PLUGIN_DIR . 'functions/' . $file;
}


/**
 *  Include all php file in subfolder
 */
foreach ( glob( RW_PLUGIN_DIR . 'functions/*/*.php' ) as $file ){
	include_once $file;
}

/*foreach ( glob( RW_PLUGIN_DIR . 'ext/*.php' ) as $file ){
	add_action('plugins_loaded', function () use ($file) {
		include_once $file;
	});
}*/