269 lines
6.3 KiB
PHP
269 lines
6.3 KiB
PHP
<?php
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/**
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* Google Calendar Events Main Class
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*
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* @package GCE
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* @author Phil Derksen <pderksen@gmail.com>, Nick Young <mycorpweb@gmail.com>
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* @license GPL-2.0+
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* @copyright 2014 Phil Derksen
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*/
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class Google_Calendar_Events {
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/**
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* Plugin version, used for cache-busting of style and script file references.
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*
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* @since 2.0.0
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*
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* @var string
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*/
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protected $version = '2.2.6';
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/**
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* Unique identifier for the plugin.
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*
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* @since 2.0.0
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*
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* @var string
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*/
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protected $plugin_slug = 'google-calendar-events';
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/**
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* Instance of this class.
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*
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* @since 2.0.0
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*
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* @var object
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*/
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protected static $instance = null;
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public $show_scripts = false;
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/**
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* Initialize the plugin by setting localization and loading public scripts
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* and styles.
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*
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* @since 2.0.0
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*/
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private function __construct() {
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$this->includes();
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$old = get_option( 'gce_version' );
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if( version_compare( $old, $this->version, '<' ) ) {
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delete_option( 'gce_upgrade_has_run' );
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}
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if( false === get_option( 'gce_upgrade_has_run' ) ) {
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$this->upgrade();
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}
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$this->setup_constants();
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_public_scripts' ) );
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_public_styles' ) );
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// Load scripts when posts load so we know if we need to include them or not
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add_filter( 'the_posts', array( $this, 'load_scripts' ) );
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// Load plugin text domain
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$this->plugin_textdomain();
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add_action( 'wp_footer', array( $this, 'localize_main_script' ) );
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}
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public function localize_main_script() {
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if( $this->show_scripts ) {
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global $localize;
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wp_localize_script( GCE_PLUGIN_SLUG . '-public', 'gce_grid', $localize );
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wp_localize_script( GCE_PLUGIN_SLUG . '-public', 'gce',
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array(
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'script_debug' => ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ),
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'ajaxurl' => admin_url( 'admin-ajax.php' ),
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'loadingText' => __( 'Loading...', 'gce' ),
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) );
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}
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}
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public function load_scripts( $posts ) {
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global $gce_options;
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// Init enqueue flag.
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$do_enqueue = false;
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if ( isset( $gce_options['always_enqueue'] ) ) {
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$do_enqueue = true;
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} elseif ( ! empty( $posts ) ) {
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foreach ( $posts as $post ) {
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if ( ( strpos( $post->post_content, '[gcal' ) !== false ) || ( $post->post_type == 'gce_feed' ) ) {
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$do_enqueue = true;
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break;
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}
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}
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}
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if ( true == $do_enqueue ) {
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// Load CSS after checking to see if it is supposed to be disabled or not (based on settings)
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if( ! isset( $gce_options['disable_css'] ) ) {
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wp_enqueue_style( $this->plugin_slug . '-public' );
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}
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// Load JS
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wp_enqueue_script( $this->plugin_slug . '-public' );
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$this->show_scripts = true;
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}
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return $posts;
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}
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/**
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* Load the upgrade file
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*
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* @since 2.0.0
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*/
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public function upgrade() {
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include_once( 'includes/admin/upgrade.php' );
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}
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/**
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* Setup public constants
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*
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* @since 2.0.0
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*/
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public function setup_constants() {
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if( ! defined( 'GCE_DIR' ) ) {
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define( 'GCE_DIR', dirname( __FILE__ ) );
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}
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if( ! defined( 'GCE_PLUGIN_SLUG' ) ) {
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define( 'GCE_PLUGIN_SLUG', $this->plugin_slug );
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}
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}
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/**
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* Include all necessary files
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*
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* @since 2.0.0
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*/
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public static function includes() {
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global $gce_options;
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// First include common files between admin and public
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include_once( 'includes/misc-functions.php' );
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include_once( 'includes/gce-feed-cpt.php' );
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include_once( 'includes/class-gce-display.php' );
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include_once( 'includes/class-gce-event.php' );
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include_once( 'includes/class-gce-feed.php' );
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include_once( 'includes/shortcodes.php' );
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include_once( 'views/widgets.php' );
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// Now include files specifically for public or admin
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if( is_admin() ) {
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// Admin includes
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include_once( 'includes/admin/admin-functions.php' );
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} else {
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// Public includes
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}
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// Setup our main settings options
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include_once( 'includes/register-settings.php' );
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$gce_options = gce_get_settings();
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}
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/**
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* Load public facing scripts
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*
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* @since 2.0.0
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*/
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public function enqueue_public_scripts() {
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// DON'T include ImagesLoaded JS library recommended by qTip2 yet since we don't use "complex content that contains images" (yet).
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// http://qtip2.com/guides#gettingstarted.imagesloaded
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// We WERE doing this between 2.1.6 & 2.2.5 (taken out as of 2.2.6).
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// AND this was probably causing issues with themes including the Isotope jQuery library.
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// http://qtip2.com/guides#integration.isotope
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// Use unminified JS if SCRIPT_DEBUG exists and set to true.
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$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
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wp_register_script( $this->plugin_slug . '-qtip', plugins_url( 'js/jquery.qtip' . $min . '.js', __FILE__ ), array( 'jquery' ), $this->version, true );
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wp_register_script( $this->plugin_slug . '-public', plugins_url( 'js/gce-script.js', __FILE__ ), array( 'jquery', $this->plugin_slug . '-qtip' ), $this->version, true );
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}
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/*
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* Load public facing styles
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*
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* @since 2.0.0
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*/
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public function enqueue_public_styles() {
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wp_register_style( $this->plugin_slug . '-qtip', plugins_url( 'css/jquery.qtip.min.css', __FILE__ ), array(), $this->version );
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wp_register_style( $this->plugin_slug . '-public', plugins_url( 'css/gce-style.css', __FILE__ ), array( $this->plugin_slug . '-qtip' ), $this->version );
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}
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/**
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* Return the plugin slug.
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*
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* @since 2.0.0
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*
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* @return Plugin version variable.
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*/
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public function get_plugin_slug() {
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return $this->plugin_slug;
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}
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/**
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* Return the plugin version.
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*
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* @since 1.0.0
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*
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* @return Plugin slug variable.
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*/
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public function get_plugin_version() {
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return $this->version;
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}
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/**
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* Return an instance of this class.
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*
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* @since 1.0.0
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*
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* @return object A single instance of this class.
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*/
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public static function get_instance() {
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// If the single instance hasn't been set, set it now.
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if ( null == self::$instance ) {
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self::$instance = new self;
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}
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return self::$instance;
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}
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/**
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* Load the plugin text domain for translation.
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*
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* @since 2.0.0
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*/
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public function plugin_textdomain() {
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load_plugin_textdomain(
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'gce',
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false,
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dirname( plugin_basename( GCE_MAIN_FILE ) ) . '/languages/'
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);
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}
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}
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