bootstrap.php

<?php
/**
 * WordPress Dynamic CSS
 *
 * Dynamic CSS compiler for WordPress
 *
 * @package   wp-dynamic-css
 * @author    Askupa Software <contact@askupasoftware.com>
 * @link      https://github.com/askupasoftware/wp-dynamic-css
 * @copyright 2016 Askupa Software
 *
 * @wordpress-plugin
 * Plugin Name:     WordPress Dynamic CSS
 * Plugin URI:      https://github.com/askupasoftware/wp-dynamic-css
 * Description:     Dynamic CSS compiler for WordPress
 * Version:         1.0.5
 * Author:          Askupa Software
 * Author URI:      http://www.askupasoftware.com
 * Text Domain:     wp-dynamic-css
 * Domain Path:     /languages
 */

defined( 'ABSPATH' ) or die( 'No script kiddies please!' );


/**
 * Prevent loading the library more than once
 */
if( defined( 'WP_DYNAMIC_CSS' ) ) return;
define( 'WP_DYNAMIC_CSS', true );

/**
 * Load required files
 */
require_once dirname(__FILE__).'/compiler.php';
require_once dirname(__FILE__).'/cache.php';
require_once dirname(__FILE__).'/functions.php';

/**
 * The following actions are used for printing or loading the compiled 
 * stylesheets externally.
 * Priority is set to high (100) to allow the dynamic CSS to override static
 * styles.
 */
$dcss = DynamicCSSCompiler::get_instance();
add_action( 'wp_enqueue_scripts', array( $dcss, 'enqueue_styles' ), 100 );
add_action( 'wp_ajax_wp_dynamic_css', array( $dcss, 'ajax_callback' ) );
add_action( 'wp_ajax_nopriv_wp_dynamic_css', array( $dcss, 'ajax_callback' ) );