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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
global $wp_upload_dir;
$wp_upload_dir = wp_upload_dir();
/**
* Class Zn_Framework
*/
final class Zn_Framework {
protected static $_instance = null;
public $theme_data = array();
public $pagebuilder;
/**
* Main Zn_Framework Instance
*
* Ensures only one instance of Zn_Framework is loaded or can be loaded.
*
* @since 1.0.0
* @static
* @see ZN()
* @return Zn_Framework - Main instance
*/
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* @param $key
* @return mixed
*/
public function __get( $key ) {
return $this->$key();
}
/**
* Class constructor
*
* @access public
*/
public function __construct() {
// SET-UP THE FRAMEWORK BASED ON CONFIG FILE
$config_file = apply_filters( 'zn_theme_config_file', get_template_directory().'/template_helpers/theme_config.php' );
$theme_config = '';
if ( file_exists( $config_file ) ) {
include( $config_file );
$this->theme_data = apply_filters( 'zn_theme_config', $theme_config );
$this->define_constants();
// Actions
add_action( 'init', array( $this, 'init' ) );
}
}
/**
* Define ZN Constants
*/
private function define_constants() {
// TODO : BETTER WRITE THIS
define( 'FW_URL', esc_url( get_template_directory_uri() . '/framework' ) );
}
public function init() {
do_action( 'zn_framework_init' );
// Don't load the internal PB if the PB plugin is active
if( class_exists( 'ZnBuilder' ) ){
return;
}
include( dirname( __FILE__ ) .'/pagebuilder/class-page-builder.php' );
$this->pagebuilder = new ZnPageBuilder();
}
function is_debug(){
return defined( 'ZN_FW_DEBUG' ) && ZN_FW_DEBUG == true;
}
}
/**
* Returns the main instance of ZnFramework to prevent the need to use globals.
*
* @since 1.0.0
* @return Zn_Framework
*/
function ZN() {
return Zn_Framework::instance();
}
/**
* Returns the main instance of Pagebuilder
*
* @since 1.0.0
* @return Zn_Framework
*/
function ZNPB() {
return Zn_Framework::instance()->pagebuilder;
}
// Global for backwards compatibility.
$GLOBALS['zn_framework'] = ZN();