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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Contains functions related to Invoicing plugin.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since 1.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package Invoicing  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // MUST have WordPress.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                if ( !defined( 'WPINC' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class WPInv_Plugin { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private static $instance;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function run() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ( !isset( self::$instance ) && !( self::$instance instanceof WPInv_Plugin ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self::$instance = new WPInv_Plugin;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self::$instance->includes();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self::$instance->actions();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            self::$instance->notes      = new WPInv_Notes();  | 
            
                            
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                            self::$instance->reports    = new WPInv_Reports();  | 
            
                            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        do_action( 'wpinv_loaded' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return self::$instance;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->define_constants();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function define_constants() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function actions() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /* Internationalize the text strings used. */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /* Perform actions on admin initialization. */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'admin_init', array( &$this, 'admin_init') );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'init', array( &$this, 'init' ), 3 );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'init', array( 'WPInv_Shortcodes', 'init' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'init', array( &$this, 'wpinv_actions' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ( class_exists( 'BuddyPress' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ( is_admin() ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            add_action( 'admin_enqueue_scripts', array( &$this, 'admin_enqueue_scripts' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            add_action( 'admin_body_class', array( &$this, 'admin_body_class' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         * Fires after the setup of all WPInv_Plugin actions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         * @since 1.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         * @param WPInv_Plugin $this. Current WPInv_Plugin instance. Passed by reference.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        do_action_ref_array( 'wpinv_actions', array( &$this ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        add_action( 'admin_init', array( &$this, 'activation_redirect') );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function plugins_loaded() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /* Internationalize the text strings used. */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->load_textdomain();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Load the translation of the plugin.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @since 1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function load_textdomain() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $locale = apply_filters( 'plugin_locale', get_locale(), 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         * Define language constants.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                         */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'language.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function includes() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        global $wpinv_options;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $wpinv_options = wpinv_get_settings();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        //require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );  | 
            
                            
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                        //require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );  | 
            
                            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        //require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscription.php' );  | 
            
                            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    123
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    124
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    125
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    126
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-shortcodes.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !class_exists( 'WPInv_EUVat' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                        $gateways = array_keys( wpinv_get_enabled_payment_gateways() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !empty( $gateways ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                            foreach ( $gateways as $gateway ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                                if ( $gateway == 'manual' ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                                    continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                                  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                                $gateway_file = WPINV_PLUGIN_DIR . 'includes/gateways/' . $gateway . '.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                                  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                                if ( file_exists( $gateway_file ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                                    require_once( $gateway_file );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/gateways/manual.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                        if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                            //require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-recurring-admin.php' );  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                            //require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                        // include css inliner  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                        if ( ! class_exists( 'Emogrifier' ) && class_exists( 'DOMDocument' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                            include_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                    public function init() { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                    public function admin_init() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                        if (!(defined( 'DOING_AJAX' ) && DOING_AJAX)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                        add_action( 'admin_print_scripts-edit.php', array( &$this, 'admin_print_scripts_edit_php' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                    public function activation_redirect() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                        // Bail if no activation redirect  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !get_transient( '_wpinv_activation_redirect' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                        // Delete the redirect transient  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                        delete_transient( '_wpinv_activation_redirect' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                        // Bail if activating from network, or bulk  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                        wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                        exit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                    public function enqueue_scripts() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
                                                     | 
                
                 | 
                        $suffix       = '';//defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                        wp_deregister_style( 'font-awesome' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_style( 'font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome' . $suffix . '.css', array(), '4.7.0' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'font-awesome' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), WPINV_VERSION );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'wpinv_front_style' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                        // Register scripts  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front' . $suffix . '.js', array( 'jquery', 'wpinv-vat-script' ),  WPINV_VERSION );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    212
                 | 
                                    
                                                     | 
                
                 | 
                        $localize                         = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    213
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['ajax_url']             = admin_url( 'admin-ajax.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    214
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    215
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['currency_symbol']      = wpinv_currency_symbol();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    216
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['currency_pos']         = wpinv_currency_position();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    217
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['thousand_sep']         = wpinv_thousands_separator();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    218
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['decimal_sep']          = wpinv_decimal_separator();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    219
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['decimals']             = wpinv_decimals();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    220
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    221
                 | 
                                    
                                                     | 
                
                 | 
                        $localize = apply_filters( 'wpinv_front_js_localize', $localize );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    222
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    223
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_script( 'jquery-blockui' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    224
                 | 
                                    
                                                     | 
                
                 | 
                        $autofill_api = wpinv_get_option('address_autofill_api'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    225
                 | 
                                    
                                                     | 
                
                 | 
                        $autofill_active = wpinv_get_option('address_autofill_active'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    226
                 | 
                                    
                                                     | 
                
                 | 
                        if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    227
                 | 
                                    
                                                     | 
                
                 | 
                            if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    228
                 | 
                                    
                                                     | 
                
                 | 
                                wp_dequeue_script( 'google-maps-api' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    229
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    230
                 | 
                                    
                                                     | 
                
                 | 
                            wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    231
                 | 
                                    
                                                     | 
                
                 | 
                            wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    232
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    233
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_script( 'wpinv-front-script' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    234
                 | 
                                    
                                                     | 
                
                 | 
                        wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    235
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    236
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    237
                 | 
                                    
                                                     | 
                
                 | 
                    public function admin_enqueue_scripts() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    238
                 | 
                                    
                                                     | 
                
                 | 
                        global $post, $pagenow;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    239
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                    240
                 | 
                                    
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                 | 
                        $post_type  = wpinv_admin_post_type();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    241
                 | 
                                    
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                 | 
                        $suffix     = '';//defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';  | 
            
                            
                    | 
                        
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                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
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                | 
                    242
                 | 
                                    
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                 | 
                        $page       = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    243
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                    244
                 | 
                                    
                                                     | 
                
                 | 
                        wp_deregister_style( 'font-awesome' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    245
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                 | 
                        wp_register_style( 'font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome' . $suffix . '.css', array(), '4.7.0' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    246
                 | 
                                    
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                 | 
                        wp_enqueue_style( 'font-awesome' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    247
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                    248
                 | 
                                    
                                                     | 
                
                 | 
                        $jquery_ui_css = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    249
                 | 
                                    
                                                     | 
                
                 | 
                        if ( ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount' ) && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    250
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                 | 
                            $jquery_ui_css = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    251
                 | 
                                    
                                                     | 
                
                 | 
                        } else if ( $page == 'wpinv-settings' || $page == 'wpinv-reports' ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    252
                 | 
                                    
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                 | 
                            $jquery_ui_css = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    253
                 | 
                                    
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                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    254
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $jquery_ui_css ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    255
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                 | 
                            wp_register_style( 'jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    256
                 | 
                                    
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                 | 
                            wp_enqueue_style( 'jquery-ui-css' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    257
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    258
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                    259
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_style( 'jquery-chosen', WPINV_PLUGIN_URL . 'assets/css/chosen' . $suffix . '.css', array(), '1.6.2' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    260
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'jquery-chosen' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    261
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                | 
                    262
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_script( 'jquery-chosen', WPINV_PLUGIN_URL . 'assets/js/chosen.jquery' . $suffix . '.js', array( 'jquery' ), '1.6.2' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    263
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_script( 'jquery-chosen' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    264
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                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    265
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_style( 'wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    266
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'wpinv_meta_box_style' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    267
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                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    268
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), WPINV_VERSION );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    269
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'wpinv_admin_style' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    270
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                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    271
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    272
                 | 
                                    
                                                     | 
                
                 | 
                            wp_enqueue_script( 'jquery-ui-datepicker' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    273
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                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    274
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                | 
                    275
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_style( 'wp-color-picker' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    276
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_script( 'wp-color-picker' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    277
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                | 
                    278
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    279
                 | 
                                    
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    280
                 | 
                                    
                                                     | 
                
                 | 
                        if ($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    281
                 | 
                                    
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                 | 
                            $autofill_api = wpinv_get_option('address_autofill_api'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    282
                 | 
                                    
                                                     | 
                
                 | 
                            $autofill_active = wpinv_get_option('address_autofill_active'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    283
                 | 
                                    
                                                     | 
                
                 | 
                            if (isset($autofill_active) && 1 == $autofill_active && !empty($autofill_api)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    284
                 | 
                                    
                                                     | 
                
                 | 
                                wp_enqueue_script('google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array('jquery'), '', false); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    285
                 | 
                                    
                                                     | 
                
                 | 
                                wp_enqueue_script('google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array('jquery'), '', true); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    286
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    287
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    288
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    289
                 | 
                                    
                                                     | 
                
                 | 
                        wp_register_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin' . $suffix . '.js', array( 'jquery', 'jquery-blockui','jquery-ui-tooltip' ),  WPINV_VERSION );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    290
                 | 
                                    
                                                     | 
                
                 | 
                        wp_enqueue_script( 'wpinv-admin-script' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    291
                 | 
                                    
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                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    292
                 | 
                                    
                                                     | 
                
                 | 
                        $localize                               = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    293
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['ajax_url']                   = admin_url( 'admin-ajax.php' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    294
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['post_ID']                    = isset( $post->ID ) ? $post->ID : '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    295
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['wpinv_nonce']                = wp_create_nonce( 'wpinv-nonce' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    296
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['add_invoice_note_nonce']     = wp_create_nonce( 'add-invoice-note' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    297
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['delete_invoice_note_nonce']  = wp_create_nonce( 'delete-invoice-note' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    298
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['invoice_item_nonce']         = wp_create_nonce( 'invoice-item' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    299
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['billing_details_nonce']      = wp_create_nonce( 'get-billing-details' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    300
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['tax']                        = wpinv_tax_amount();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    301
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['discount']                   = wpinv_discount_amount();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    302
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['currency_symbol']            = wpinv_currency_symbol();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    303
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['currency_pos']               = wpinv_currency_position();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    304
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['thousand_sep']               = wpinv_thousands_separator();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    305
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['decimal_sep']                = wpinv_decimal_separator();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    306
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['decimals']                   = wpinv_decimals();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    307
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['save_invoice']               = __( 'Save Invoice', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    308
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['status_publish']             = wpinv_status_nicename( 'publish' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    309
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['status_pending']             = wpinv_status_nicename( 'wpi-pending' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    310
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['delete_tax_rate']            = __( 'Are you sure you wish to delete this tax rate?', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    311
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['OneItemMin']                 = __( 'Invoice must contain at least one item', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    312
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['DeleteInvoiceItem']          = __( 'Are you sure you wish to delete this item?', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    313
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['FillBillingDetails']         = __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    314
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['confirmCalcTotals']          = __( 'Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    315
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['AreYouSure']                 = __( 'Are you sure?', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    316
                 | 
                                    
                                                     | 
                
                 | 
                        $localize['errDeleteItem']              = __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    317
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    318
                 | 
                                    
                                                     | 
                
                 | 
                        $localize = apply_filters( 'wpinv_admin_js_localize', $localize );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    319
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    320
                 | 
                                    
                                                     | 
                
                 | 
                        wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', $localize );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    321
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    322
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    323
                 | 
                                    
                                                     | 
                
                 | 
                    public function admin_body_class( $classes ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    324
                 | 
                                    
                                                     | 
                
                 | 
                        global $pagenow, $post, $current_screen;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    325
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    326
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !empty( $current_screen->post_type ) && ( $current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_quote' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    327
                 | 
                                    
                                                     | 
                
                 | 
                            $classes .= ' wpinv-cpt';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    328
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    329
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    330
                 | 
                                    
                                                     | 
                
                 | 
                        $page = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    331
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    332
                 | 
                                    
                                                     | 
                
                 | 
                        $add_class = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    333
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $pagenow == 'admin.php' && $page ) { | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    334
                 | 
                                    
                                                     | 
                
                 | 
                            $add_class = strpos( $page, 'wpinv-' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    335
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    336
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    337
                 | 
                                    
                                                     | 
                
                 | 
                        $settings_class = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    338
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $page == 'wpinv-settings' ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    339
                 | 
                                    
                                                     | 
                
                 | 
                            if ( !empty( $_REQUEST['tab'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    340
                 | 
                                    
                                                     | 
                
                 | 
                                $settings_class[] = sanitize_text_field( $_REQUEST['tab'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    341
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    342
                 | 
                                    
                                                     | 
                
                 | 
                              | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    343
                 | 
                                    
                                                     | 
                
                 | 
                            if ( !empty( $_REQUEST['section'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    344
                 | 
                                    
                                                     | 
                
                 | 
                                $settings_class[] = sanitize_text_field( $_REQUEST['section'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    345
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    346
                 | 
                                    
                                                     | 
                
                 | 
                              | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    347
                 | 
                                    
                                                     | 
                
                 | 
                            $settings_class[] = isset( $_REQUEST['wpi_sub'] ) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field( $_REQUEST['wpi_sub'] ) : 'main';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    348
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    349
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    350
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !empty( $settings_class ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    351
                 | 
                                    
                                                     | 
                
                 | 
                            $classes .= ' wpi-' . wpinv_sanitize_key( implode( $settings_class, '-' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    352
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    353
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    354
                 | 
                                    
                                                     | 
                
                 | 
                        $post_type = wpinv_admin_post_type();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    355
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    356
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    357
                 | 
                                    
                                                     | 
                
                 | 
                            return $classes .= ' wpinv';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    358
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    359
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    360
                 | 
                                    
                                                     | 
                
                 | 
                        if ( $pagenow == 'post.php' && $post_type == 'wpi_item' && !empty( $post ) && !wpinv_item_is_editable( $post ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    361
                 | 
                                    
                                                     | 
                
                 | 
                            $classes .= ' wpi-editable-n';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    362
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    363
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    364
                 | 
                                    
                                                     | 
                
                 | 
                        return $classes;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    365
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    366
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    367
                 | 
                                    
                                                     | 
                
                 | 
                    public function admin_print_scripts_edit_php() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    368
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    369
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    370
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    371
                 | 
                                    
                                                     | 
                
                 | 
                    public function wpinv_actions() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    372
                 | 
                                    
                                                     | 
                
                 | 
                        if ( isset( $_REQUEST['wpi_action'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    373
                 | 
                                    
                                                     | 
                
                 | 
                            do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    374
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    375
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    376
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    377
                 | 
                                    
                                                     | 
                
                 | 
                    public function pre_get_posts( $wp_query ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    378
                 | 
                                    
                                                     | 
                
                 | 
                        if ( !empty( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query() ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    379
                 | 
                                    
                                                     | 
                
                 | 
                            $wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    380
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    381
                 | 
                                    
                                                     | 
                
                 | 
                          | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    382
                 | 
                                    
                                                     | 
                
                 | 
                        return $wp_query;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    383
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    384
                 | 
                                    
                                                     | 
                
                 | 
                      | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    385
                 | 
                                    
                                                     | 
                
                 | 
                    public function bp_invoicing_init() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    386
                 | 
                                    
                                                     | 
                
                 | 
                        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    387
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    388
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                        
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: