lightspeeddevelopment/lsx-search

<?php
/**
 * LSX Search Main Class.
 *
 * @package lsx-search
 */
class LSX_Search {

    /**
     * Holds class instance
     *
     * @since 1.0.0
     *
     * @var      object LSX_Search()
     */
    protected static $instance = null;

    /**
     * @var LSX_Search_Admin()
     */
    public $admin;

    /**
     * @var LSX_Search_Frontend()
     */
    public $frontend;

    /**
     * @var LSX_Search_FacetWP()
     */
    public $facetwp;

    /**
     * @var LSX_Search_Shortcode()
     */
    public $shortcode;

    /**
     * LSX_Search constructor
     */
    public function __construct() {
        $this->load_vendors();

        require_once LSX_SEARCH_PATH . '/classes/class-admin.php';
        require_once LSX_SEARCH_PATH . '/classes/class-frontend.php';
        require_once LSX_SEARCH_PATH . '/classes/class-lsx-search-facetwp.php';
        require_once LSX_SEARCH_PATH . '/classes/class-lsx-search-shortcode.php';

        $this->admin     = \lsx\search\classes\Admin::get_instance();
        $this->frontend  = \lsx\search\classes\Frontend::get_instance();
        $this->facetwp   = new LSX_Search_FacetWP();
        $this->shortcode = new LSX_Search_Shortcode();
    }

    /**
     * Return an instance of this class.
     *
     * @since 1.0.0
     *
     * @return    object LSX_Search()    A single instance of this class.
     */
    public static function get_instance() {
        // If the single instance hasn't been set, set it now.
        if ( null === self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Loads the plugin functions.
     */
    private function load_vendors() {
        // Configure custom fields.
        if ( ! class_exists( 'CMB2' ) ) {
            require_once LSX_SEARCH_PATH . 'vendor/CMB2/init.php';
        }
    }
}

/**
 * Initiates the LSX Search Plugin
 * 
 * @return object LSX_Search();
 */
function lsx_search() {
    global $lsx_search;
    $lsx_search = LSX_Search::get_instance();
    return $lsx_search;
}
lsx_search();