AyeCode / invoicing

includes/class-wpinv.php

Indentation +476 added lines, -476 removed lines

@@ -14,419 +14,419 @@ 
  */
 class WPInv_Plugin {
 
-	/**
-	 * GetPaid version.
-	 *
-	 * @var string
-	 */
-	public $version;
-
-	/**
-	 * Data container.
-	 *
-	 * @var array
-	 */
-	protected $data = array();
-
-	/**
-	 * Form elements instance.
-	 *
-	 * @var WPInv_Payment_Form_Elements
-	 */
-	public $form_elements;
-
-	/**
-	 * Tax instance.
-	 *
-	 * @var WPInv_EUVat
-	 */
-	public $tax;
-
-	/**
-	 * @param array An array of payment gateways.
-	 */
-	public $gateways;
-
-	/**
-	 * Class constructor.
-	 */
-	public function __construct() {
-		$this->define_constants();
-		$this->includes();
-		$this->init_hooks();
-		$this->set_properties();
-	}
-
-	/**
-	 * Sets a custom data property.
-	 * 
-	 * @param string $prop The prop to set.
-	 * @param mixed $value The value to retrieve.
-	 */
-	public function set( $prop, $value ) {
-		$this->data[ $prop ] = $value;
-	}
-
-	/**
-	 * Gets a custom data property.
-	 *
-	 * @param string $prop The prop to set.
-	 * @return mixed The value.
-	 */
-	public function get( $prop ) {
-
-		if ( isset( $this->data[ $prop ] ) ) {
-			return $this->data[ $prop ];
-		}
-
-		return null;
-	}
-
-	/**
-	 * Define class properties.
-	 */
-	public function set_properties() {
-
-		// Sessions.
-		$this->set( 'session', new WPInv_Session_Handler() );
-		$GLOBALS['wpi_session'] = $this->get( 'session' ); // Backwards compatibility.
-		$this->tax              = new WPInv_EUVat();
-		$this->tax->init();
-		$GLOBALS['wpinv_euvat'] = $this->tax; // Backwards compatibility.
-
-		// Init other objects.
-		$this->set( 'reports', new WPInv_Reports() ); // TODO: Refactor.
-		$this->set( 'session', new WPInv_Session_Handler() );
-		$this->set( 'notes', new WPInv_Notes() );
-		$this->set( 'api', new WPInv_API() );
-		$this->set( 'post_types', new GetPaid_Post_Types() );
-		$this->set( 'template', new GetPaid_Template() );
-		$this->set( 'admin', new GetPaid_Admin() );
-		$this->set( 'subscriptions', new WPInv_Subscriptions() );
-		$this->set( 'invoice_emails', new GetPaid_Invoice_Notification_Emails() );
-		$this->set( 'subscription_emails', new GetPaid_Subscription_Notification_Emails() );
-		$this->set( 'daily_maintenace', new GetPaid_Daily_Maintenance() );
-		$this->set( 'payment_forms', new GetPaid_Payment_Forms() );
-
-	}
-
-	 /**
-	 * Define plugin constants.
-	 */
-	public function define_constants() {
-		define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
-		define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
-		$this->version = WPINV_VERSION;
-	}
-
-	/**
-	 * Hook into actions and filters.
-	 *
-	 * @since 1.0.19
-	 */
-	protected function init_hooks() {
-		/* Internationalize the text strings used. */
-		add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
-
-		// Init the plugin after WordPress inits.
-		add_action( 'init', array( $this, 'init' ), 1 );
-		add_action( 'getpaid_init', array( $this, 'maybe_process_ipn' ), 5 );
-		add_action( 'init', array( &$this, 'wpinv_actions' ) );
-		add_action( 'init', array( $this, 'maybe_do_authenticated_action' ), 100 );
-
-		if ( class_exists( 'BuddyPress' ) ) {
-			add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
-		}
-
-		add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
-		add_action( 'wp_footer', array( &$this, 'wp_footer' ) );
-		add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
-		add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', array( $this, 'wpseo_exclude_from_sitemap_by_post_ids' ) );
-		add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
-
-		// Fires after registering actions.
-		do_action( 'wpinv_actions', $this );
-		do_action( 'getpaid_actions', $this );
-
-	}
-
-	public function plugins_loaded() {
-		/* Internationalize the text strings used. */
-		$this->load_textdomain();
-
-		do_action( 'wpinv_loaded' );
-
-		// Fix oxygen page builder conflict
-		if ( function_exists( 'ct_css_output' ) ) {
-			wpinv_oxygen_fix_conflict();
-		}
-	}
-
-	/**
-	 * Load the translation of the plugin.
-	 *
-	 * @since 1.0
-	 */
-	public function load_textdomain( $locale = NULL ) {
-		if ( empty( $locale ) ) {
-			$locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
-		}
-
-		$locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
-
-		unload_textdomain( 'invoicing' );
-		load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
-		load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
-
-		/**
-		 * Define language constants.
-		 */
-		require_once( WPINV_PLUGIN_DIR . 'language.php' );
-	}
-
-	/**
-	 * Include required core files used in admin and on the frontend.
-	 */
-	public function includes() {
-
-		// Start with the settings.
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
-
-		// Packages/libraries.
-		require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
-		require_once( WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php' );
-
-		// Load functions.
-		require_once( WPINV_PLUGIN_DIR . 'includes/deprecated-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/invoice-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/subscription-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/error-functions.php' );
-
-		// Register autoloader.
-		try {
-			spl_autoload_register( array( $this, 'autoload' ), true );
-		} catch ( Exception $e ) {
-			wpinv_error_log( $e->getMessage(), '', __FILE__, 149, true );
-		}
-
-		require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/getpaid.php' );
-
-		/**
-		 * Load the tax class.
-		 */
-		if ( ! class_exists( 'WPInv_EUVat' ) ) {
-			require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
-		}
-
-		if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
-			GetPaid_Post_Types_Admin::init();
-
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php' );
-			// load the user class only on the users.php page
-			global $pagenow;
-			if($pagenow=='users.php'){
-				new WPInv_Admin_Users();
-			}
-		}
-
-		// Register cli commands
-		if ( defined( 'WP_CLI' ) && WP_CLI ) {
-			require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
-			WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
-		}
-
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
-	}
-
-	/**
-	 * Class autoloader
-	 *
-	 * @param       string $class_name The name of the class to load.
-	 * @access      public
-	 * @since       1.0.19
-	 * @return      void
-	 */
-	public function autoload( $class_name ) {
-
-		// Normalize the class name...
-		$class_name  = strtolower( $class_name );
-
-		// ... and make sure it is our class.
-		if ( false === strpos( $class_name, 'getpaid_' ) && false === strpos( $class_name, 'wpinv_' ) ) {
-			return;
-		}
-
-		// Next, prepare the file name from the class.
-		$file_name = 'class-' . str_replace( '_', '-', $class_name ) . '.php';
-
-		// Base path of the classes.
-		$plugin_path = untrailingslashit( WPINV_PLUGIN_DIR );
-
-		// And an array of possible locations in order of importance.
-		$locations = array(
-			"$plugin_path/includes",
-			"$plugin_path/includes/data-stores",
-			"$plugin_path/includes/gateways",
-			"$plugin_path/includes/api",
-			"$plugin_path/includes/admin",
-			"$plugin_path/includes/admin/meta-boxes",
-		);
-
-		foreach ( apply_filters( 'getpaid_autoload_locations', $locations ) as $location ) {
-
-			if ( file_exists( trailingslashit( $location ) . $file_name ) ) {
-				include trailingslashit( $location ) . $file_name;
-				break;
-			}
-
-		}
-
-	}
-
-	/**
-	 * Inits hooks etc.
-	 */
-	public function init() {
-
-		// Fires before getpaid inits.
-		do_action( 'before_getpaid_init', $this );
-
-		// Load default gateways.
-		$gateways = apply_filters(
-			'getpaid_default_gateways',
-			array(
-				'manual'        => 'GetPaid_Manual_Gateway',
-				'paypal'        => 'GetPaid_Paypal_Gateway',
-				'worldpay'      => 'GetPaid_Worldpay_Gateway',
-				'bank_transfer' => 'GetPaid_Bank_Transfer_Gateway',
-				'authorizenet'  => 'GetPaid_Authorize_Net_Gateway',
-			)
-		);
-
-		foreach ( $gateways as $id => $class ) {
-			$this->gateways[ $id ] = new $class();
-		}
-
-		// Fires after getpaid inits.
-		do_action( 'getpaid_init', $this );
-
-	}
-
-	/**
-	 * Checks if this is an IPN request and processes it.
-	 */
-	public function maybe_process_ipn() {
-
-		// Ensure that this is an IPN request.
-		if ( empty( $_GET['wpi-listener'] ) || 'IPN' !== $_GET['wpi-listener'] || empty( $_GET['wpi-gateway'] ) ) {
-			return;
-		}
-
-		$gateway = wpinv_clean( $_GET['wpi-gateway'] );
-
-		do_action( 'wpinv_verify_payment_ipn', $gateway );
-		do_action( "wpinv_verify_{$gateway}_ipn" );
-		exit;
-
-	}
-
-	public function enqueue_scripts() {
-		$suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css' );
-		wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version );
-		wp_enqueue_style( 'wpinv_front_style' );
-
-		// Register scripts
-		wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
-		wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  filemtime( WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js' ) );
-
-		$localize                         = array();
-		$localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-		$localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
-		$localize['currency_symbol']      = wpinv_currency_symbol();
-		$localize['currency_pos']         = wpinv_currency_position();
-		$localize['thousand_sep']         = wpinv_thousands_separator();
-		$localize['decimal_sep']          = wpinv_decimal_separator();
-		$localize['decimals']             = wpinv_decimals();
-		$localize['txtComplete']          = __( 'Continue', 'invoicing' );
-		$localize['UseTaxes']             = wpinv_use_taxes();
-		$localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
-		$localize['formNonce']            = wp_create_nonce( 'getpaid_form_nonce' );
-		$localize['connectionError']      = __( 'Could not establish a connection to the server.', 'invoicing' );
-
-		$localize = apply_filters( 'wpinv_front_js_localize', $localize );
-
-		wp_enqueue_script( 'jquery-blockui' );
-		$autofill_api = wpinv_get_option('address_autofill_api');
-		$autofill_active = wpinv_get_option('address_autofill_active');
-		if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
-			if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
-				wp_dequeue_script( 'google-maps-api' );
-			}
-			wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
-			wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
-		}
-
-		wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), WPINV_VERSION, 'all' );
-		wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
-
-		wp_enqueue_script( 'wpinv-front-script' );
-		wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
-
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js' );
-		wp_enqueue_script( 'wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array( 'wpinv-front-script', 'wp-hooks' ),  $version, true );
-	}
-
-	public function wpinv_actions() {
-		if ( isset( $_REQUEST['wpi_action'] ) ) {
-			do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
-		}
-	}
-
-	/**
+    /**
+     * GetPaid version.
+     *
+     * @var string
+     */
+    public $version;
+
+    /**
+     * Data container.
+     *
+     * @var array
+     */
+    protected $data = array();
+
+    /**
+     * Form elements instance.
+     *
+     * @var WPInv_Payment_Form_Elements
+     */
+    public $form_elements;
+
+    /**
+     * Tax instance.
+     *
+     * @var WPInv_EUVat
+     */
+    public $tax;
+
+    /**
+     * @param array An array of payment gateways.
+     */
+    public $gateways;
+
+    /**
+     * Class constructor.
+     */
+    public function __construct() {
+        $this->define_constants();
+        $this->includes();
+        $this->init_hooks();
+        $this->set_properties();
+    }
+
+    /**
+     * Sets a custom data property.
+     * 
+     * @param string $prop The prop to set.
+     * @param mixed $value The value to retrieve.
+     */
+    public function set( $prop, $value ) {
+        $this->data[ $prop ] = $value;
+    }
+
+    /**
+     * Gets a custom data property.
+     *
+     * @param string $prop The prop to set.
+     * @return mixed The value.
+     */
+    public function get( $prop ) {
+
+        if ( isset( $this->data[ $prop ] ) ) {
+            return $this->data[ $prop ];
+        }
+
+        return null;
+    }
+
+    /**
+     * Define class properties.
+     */
+    public function set_properties() {
+
+        // Sessions.
+        $this->set( 'session', new WPInv_Session_Handler() );
+        $GLOBALS['wpi_session'] = $this->get( 'session' ); // Backwards compatibility.
+        $this->tax              = new WPInv_EUVat();
+        $this->tax->init();
+        $GLOBALS['wpinv_euvat'] = $this->tax; // Backwards compatibility.
+
+        // Init other objects.
+        $this->set( 'reports', new WPInv_Reports() ); // TODO: Refactor.
+        $this->set( 'session', new WPInv_Session_Handler() );
+        $this->set( 'notes', new WPInv_Notes() );
+        $this->set( 'api', new WPInv_API() );
+        $this->set( 'post_types', new GetPaid_Post_Types() );
+        $this->set( 'template', new GetPaid_Template() );
+        $this->set( 'admin', new GetPaid_Admin() );
+        $this->set( 'subscriptions', new WPInv_Subscriptions() );
+        $this->set( 'invoice_emails', new GetPaid_Invoice_Notification_Emails() );
+        $this->set( 'subscription_emails', new GetPaid_Subscription_Notification_Emails() );
+        $this->set( 'daily_maintenace', new GetPaid_Daily_Maintenance() );
+        $this->set( 'payment_forms', new GetPaid_Payment_Forms() );
+
+    }
+
+        /**
+         * Define plugin constants.
+         */
+    public function define_constants() {
+        define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
+        define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
+        $this->version = WPINV_VERSION;
+    }
+
+    /**
+     * Hook into actions and filters.
+     *
+     * @since 1.0.19
+     */
+    protected function init_hooks() {
+        /* Internationalize the text strings used. */
+        add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
+
+        // Init the plugin after WordPress inits.
+        add_action( 'init', array( $this, 'init' ), 1 );
+        add_action( 'getpaid_init', array( $this, 'maybe_process_ipn' ), 5 );
+        add_action( 'init', array( &$this, 'wpinv_actions' ) );
+        add_action( 'init', array( $this, 'maybe_do_authenticated_action' ), 100 );
+
+        if ( class_exists( 'BuddyPress' ) ) {
+            add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
+        }
+
+        add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
+        add_action( 'wp_footer', array( &$this, 'wp_footer' ) );
+        add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
+        add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', array( $this, 'wpseo_exclude_from_sitemap_by_post_ids' ) );
+        add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
+
+        // Fires after registering actions.
+        do_action( 'wpinv_actions', $this );
+        do_action( 'getpaid_actions', $this );
+
+    }
+
+    public function plugins_loaded() {
+        /* Internationalize the text strings used. */
+        $this->load_textdomain();
+
+        do_action( 'wpinv_loaded' );
+
+        // Fix oxygen page builder conflict
+        if ( function_exists( 'ct_css_output' ) ) {
+            wpinv_oxygen_fix_conflict();
+        }
+    }
+
+    /**
+     * Load the translation of the plugin.
+     *
+     * @since 1.0
+     */
+    public function load_textdomain( $locale = NULL ) {
+        if ( empty( $locale ) ) {
+            $locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
+        }
+
+        $locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
+
+        unload_textdomain( 'invoicing' );
+        load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
+        load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
+
+        /**
+         * Define language constants.
+         */
+        require_once( WPINV_PLUGIN_DIR . 'language.php' );
+    }
+
+    /**
+     * Include required core files used in admin and on the frontend.
+     */
+    public function includes() {
+
+        // Start with the settings.
+        require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
+
+        // Packages/libraries.
+        require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
+        require_once( WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php' );
+
+        // Load functions.
+        require_once( WPINV_PLUGIN_DIR . 'includes/deprecated-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/invoice-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/subscription-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/error-functions.php' );
+
+        // Register autoloader.
+        try {
+            spl_autoload_register( array( $this, 'autoload' ), true );
+        } catch ( Exception $e ) {
+            wpinv_error_log( $e->getMessage(), '', __FILE__, 149, true );
+        }
+
+        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/getpaid.php' );
+
+        /**
+         * Load the tax class.
+         */
+        if ( ! class_exists( 'WPInv_EUVat' ) ) {
+            require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
+        }
+
+        if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
+            GetPaid_Post_Types_Admin::init();
+
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
+            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php' );
+            // load the user class only on the users.php page
+            global $pagenow;
+            if($pagenow=='users.php'){
+                new WPInv_Admin_Users();
+            }
+        }
+
+        // Register cli commands
+        if ( defined( 'WP_CLI' ) && WP_CLI ) {
+            require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
+            WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
+        }
+
+        require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
+    }
+
+    /**
+     * Class autoloader
+     *
+     * @param       string $class_name The name of the class to load.
+     * @access      public
+     * @since       1.0.19
+     * @return      void
+     */
+    public function autoload( $class_name ) {
+
+        // Normalize the class name...
+        $class_name  = strtolower( $class_name );
+
+        // ... and make sure it is our class.
+        if ( false === strpos( $class_name, 'getpaid_' ) && false === strpos( $class_name, 'wpinv_' ) ) {
+            return;
+        }
+
+        // Next, prepare the file name from the class.
+        $file_name = 'class-' . str_replace( '_', '-', $class_name ) . '.php';
+
+        // Base path of the classes.
+        $plugin_path = untrailingslashit( WPINV_PLUGIN_DIR );
+
+        // And an array of possible locations in order of importance.
+        $locations = array(
+            "$plugin_path/includes",
+            "$plugin_path/includes/data-stores",
+            "$plugin_path/includes/gateways",
+            "$plugin_path/includes/api",
+            "$plugin_path/includes/admin",
+            "$plugin_path/includes/admin/meta-boxes",
+        );
+
+        foreach ( apply_filters( 'getpaid_autoload_locations', $locations ) as $location ) {
+
+            if ( file_exists( trailingslashit( $location ) . $file_name ) ) {
+                include trailingslashit( $location ) . $file_name;
+                break;
+            }
+
+        }
+
+    }
+
+    /**
+     * Inits hooks etc.
+     */
+    public function init() {
+
+        // Fires before getpaid inits.
+        do_action( 'before_getpaid_init', $this );
+
+        // Load default gateways.
+        $gateways = apply_filters(
+            'getpaid_default_gateways',
+            array(
+                'manual'        => 'GetPaid_Manual_Gateway',
+                'paypal'        => 'GetPaid_Paypal_Gateway',
+                'worldpay'      => 'GetPaid_Worldpay_Gateway',
+                'bank_transfer' => 'GetPaid_Bank_Transfer_Gateway',
+                'authorizenet'  => 'GetPaid_Authorize_Net_Gateway',
+            )
+        );
+
+        foreach ( $gateways as $id => $class ) {
+            $this->gateways[ $id ] = new $class();
+        }
+
+        // Fires after getpaid inits.
+        do_action( 'getpaid_init', $this );
+
+    }
+
+    /**
+     * Checks if this is an IPN request and processes it.
+     */
+    public function maybe_process_ipn() {
+
+        // Ensure that this is an IPN request.
+        if ( empty( $_GET['wpi-listener'] ) || 'IPN' !== $_GET['wpi-listener'] || empty( $_GET['wpi-gateway'] ) ) {
+            return;
+        }
+
+        $gateway = wpinv_clean( $_GET['wpi-gateway'] );
+
+        do_action( 'wpinv_verify_payment_ipn', $gateway );
+        do_action( "wpinv_verify_{$gateway}_ipn" );
+        exit;
+
+    }
+
+    public function enqueue_scripts() {
+        $suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+
+        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css' );
+        wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version );
+        wp_enqueue_style( 'wpinv_front_style' );
+
+        // Register scripts
+        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
+        wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  filemtime( WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js' ) );
+
+        $localize                         = array();
+        $localize['ajax_url']             = admin_url( 'admin-ajax.php' );
+        $localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
+        $localize['currency_symbol']      = wpinv_currency_symbol();
+        $localize['currency_pos']         = wpinv_currency_position();
+        $localize['thousand_sep']         = wpinv_thousands_separator();
+        $localize['decimal_sep']          = wpinv_decimal_separator();
+        $localize['decimals']             = wpinv_decimals();
+        $localize['txtComplete']          = __( 'Continue', 'invoicing' );
+        $localize['UseTaxes']             = wpinv_use_taxes();
+        $localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
+        $localize['formNonce']            = wp_create_nonce( 'getpaid_form_nonce' );
+        $localize['connectionError']      = __( 'Could not establish a connection to the server.', 'invoicing' );
+
+        $localize = apply_filters( 'wpinv_front_js_localize', $localize );
+
+        wp_enqueue_script( 'jquery-blockui' );
+        $autofill_api = wpinv_get_option('address_autofill_api');
+        $autofill_active = wpinv_get_option('address_autofill_active');
+        if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
+            if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
+                wp_dequeue_script( 'google-maps-api' );
+            }
+            wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
+            wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
+        }
+
+        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), WPINV_VERSION, 'all' );
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+
+        wp_enqueue_script( 'wpinv-front-script' );
+        wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
+
+        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js' );
+        wp_enqueue_script( 'wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array( 'wpinv-front-script', 'wp-hooks' ),  $version, true );
+    }
+
+    public function wpinv_actions() {
+        if ( isset( $_REQUEST['wpi_action'] ) ) {
+            do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
+        }
+    }
+
+    /**
      * Fires an action after verifying that a user can fire them.
-	 *
-	 * Note: If the action is on an invoice, subscription etc, esure that the
-	 * current user owns the invoice/subscription.
+     *
+     * Note: If the action is on an invoice, subscription etc, esure that the
+     * current user owns the invoice/subscription.
      */
     public function maybe_do_authenticated_action() {
 
@@ -437,82 +437,82 @@ 
 
     }
 
-	public function pre_get_posts( $wp_query ) {
-		if ( ! is_admin() && !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() ) {
-			$wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
-		}
-
-		return $wp_query;
-	}
-
-	public function bp_invoicing_init() {
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
-	}
-
-	/**
-	 * Register widgets
-	 *
-	 */
-	public function register_widgets() {
-		$widgets = apply_filters(
-			'getpaid_widget_classes',
-			array(
-				'WPInv_Checkout_Widget',
-				'WPInv_History_Widget',
-				'WPInv_Receipt_Widget',
-				'WPInv_Subscriptions_Widget',
-				'WPInv_Buy_Item_Widget',
-				'WPInv_Messages_Widget',
-				'WPInv_GetPaid_Widget'
-			)
-		);
-
-		foreach ( $widgets as $widget ) {
-			register_widget( $widget );
-		}
+    public function pre_get_posts( $wp_query ) {
+        if ( ! is_admin() && !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() ) {
+            $wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
+        }
+
+        return $wp_query;
+    }
+
+    public function bp_invoicing_init() {
+        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
+    }
+
+    /**
+     * Register widgets
+     *
+     */
+    public function register_widgets() {
+        $widgets = apply_filters(
+            'getpaid_widget_classes',
+            array(
+                'WPInv_Checkout_Widget',
+                'WPInv_History_Widget',
+                'WPInv_Receipt_Widget',
+                'WPInv_Subscriptions_Widget',
+                'WPInv_Buy_Item_Widget',
+                'WPInv_Messages_Widget',
+                'WPInv_GetPaid_Widget'
+            )
+        );
+
+        foreach ( $widgets as $widget ) {
+            register_widget( $widget );
+        }
 		
-	}
+    }
 
-	/**
-	 * Remove our pages from yoast sitemaps.
-	 *
-	 * @since 1.0.19
-	 * @param int[] $excluded_posts_ids
-	 */
-	public function wpseo_exclude_from_sitemap_by_post_ids( $excluded_posts_ids ){
+    /**
+     * Remove our pages from yoast sitemaps.
+     *
+     * @since 1.0.19
+     * @param int[] $excluded_posts_ids
+     */
+    public function wpseo_exclude_from_sitemap_by_post_ids( $excluded_posts_ids ){
 
-		// Ensure that we have an array.
-		if ( ! is_array( $excluded_posts_ids ) ) {
-			$excluded_posts_ids = array();
-		}
+        // Ensure that we have an array.
+        if ( ! is_array( $excluded_posts_ids ) ) {
+            $excluded_posts_ids = array();
+        }
 
-		// Prepare our pages.
-		$our_pages = array();
+        // Prepare our pages.
+        $our_pages = array();
 
-		// Checkout page.
-		$our_pages[] = wpinv_get_option( 'checkout_page', false );
+        // Checkout page.
+        $our_pages[] = wpinv_get_option( 'checkout_page', false );
 
-		// Success page.
-		$our_pages[] = wpinv_get_option( 'success_page', false );
+        // Success page.
+        $our_pages[] = wpinv_get_option( 'success_page', false );
 
-		// Failure page.
-		$our_pages[] = wpinv_get_option( 'failure_page', false );
+        // Failure page.
+        $our_pages[] = wpinv_get_option( 'failure_page', false );
 
-		// History page.
-		$our_pages[] = wpinv_get_option( 'invoice_history_page', false );
+        // History page.
+        $our_pages[] = wpinv_get_option( 'invoice_history_page', false );
 
-		// Subscriptions page.
-		$our_pages[] = wpinv_get_option( 'invoice_subscription_page', false );
+        // Subscriptions page.
+        $our_pages[] = wpinv_get_option( 'invoice_subscription_page', false );
 
-		$our_pages   = array_map( 'intval', array_filter( $our_pages ) );
+        $our_pages   = array_map( 'intval', array_filter( $our_pages ) );
 
-		$excluded_posts_ids = $excluded_posts_ids + $our_pages;
-		return array_unique( $excluded_posts_ids );
+        $excluded_posts_ids = $excluded_posts_ids + $our_pages;
+        return array_unique( $excluded_posts_ids );
 
-	}
+    }
 
-	public function wp_footer() {
-		echo '
+    public function wp_footer() {
+        echo '
 			<div class="bsui">
 				<div  id="getpaid-payment-modal" class="modal" tabindex="-1" role="dialog">
 					<div class="modal-dialog modal-dialog-centered modal-lg" role="checkout" style="max-width: 650px;">
@@ -523,6 +523,6 @@ 
 				</div>
 			</div>
 		';
-	}
+    }
 
 }

Spacing +165 added lines, -165 removed lines

@@ -6,7 +6,7 @@ 
  * @since   1.0.0
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Main Invoicing class.
@@ -63,8 +63,8 @@ 
 	 * @param string $prop The prop to set.
 	 * @param mixed $value The value to retrieve.
 	 */
-	public function set( $prop, $value ) {
-		$this->data[ $prop ] = $value;
+	public function set($prop, $value) {
+		$this->data[$prop] = $value;
 	}
 
 	/**
@@ -73,10 +73,10 @@ 
 	 * @param string $prop The prop to set.
 	 * @return mixed The value.
 	 */
-	public function get( $prop ) {
+	public function get($prop) {
 
-		if ( isset( $this->data[ $prop ] ) ) {
-			return $this->data[ $prop ];
+		if (isset($this->data[$prop])) {
+			return $this->data[$prop];
 		}
 
 		return null;
@@ -88,25 +88,25 @@ 
 	public function set_properties() {
 
 		// Sessions.
-		$this->set( 'session', new WPInv_Session_Handler() );
-		$GLOBALS['wpi_session'] = $this->get( 'session' ); // Backwards compatibility.
+		$this->set('session', new WPInv_Session_Handler());
+		$GLOBALS['wpi_session'] = $this->get('session'); // Backwards compatibility.
 		$this->tax              = new WPInv_EUVat();
 		$this->tax->init();
 		$GLOBALS['wpinv_euvat'] = $this->tax; // Backwards compatibility.
 
 		// Init other objects.
-		$this->set( 'reports', new WPInv_Reports() ); // TODO: Refactor.
-		$this->set( 'session', new WPInv_Session_Handler() );
-		$this->set( 'notes', new WPInv_Notes() );
-		$this->set( 'api', new WPInv_API() );
-		$this->set( 'post_types', new GetPaid_Post_Types() );
-		$this->set( 'template', new GetPaid_Template() );
-		$this->set( 'admin', new GetPaid_Admin() );
-		$this->set( 'subscriptions', new WPInv_Subscriptions() );
-		$this->set( 'invoice_emails', new GetPaid_Invoice_Notification_Emails() );
-		$this->set( 'subscription_emails', new GetPaid_Subscription_Notification_Emails() );
-		$this->set( 'daily_maintenace', new GetPaid_Daily_Maintenance() );
-		$this->set( 'payment_forms', new GetPaid_Payment_Forms() );
+		$this->set('reports', new WPInv_Reports()); // TODO: Refactor.
+		$this->set('session', new WPInv_Session_Handler());
+		$this->set('notes', new WPInv_Notes());
+		$this->set('api', new WPInv_API());
+		$this->set('post_types', new GetPaid_Post_Types());
+		$this->set('template', new GetPaid_Template());
+		$this->set('admin', new GetPaid_Admin());
+		$this->set('subscriptions', new WPInv_Subscriptions());
+		$this->set('invoice_emails', new GetPaid_Invoice_Notification_Emails());
+		$this->set('subscription_emails', new GetPaid_Subscription_Notification_Emails());
+		$this->set('daily_maintenace', new GetPaid_Daily_Maintenance());
+		$this->set('payment_forms', new GetPaid_Payment_Forms());
 
 	}
 
@@ -114,8 +114,8 @@ 
 	 * Define plugin constants.
 	 */
 	public function define_constants() {
-		define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
-		define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
+		define('WPINV_PLUGIN_DIR', plugin_dir_path(WPINV_PLUGIN_FILE));
+		define('WPINV_PLUGIN_URL', plugin_dir_url(WPINV_PLUGIN_FILE));
 		$this->version = WPINV_VERSION;
 	}
 
@@ -126,27 +126,27 @@ 
 	 */
 	protected function init_hooks() {
 		/* Internationalize the text strings used. */
-		add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
+		add_action('plugins_loaded', array(&$this, 'plugins_loaded'));
 
 		// Init the plugin after WordPress inits.
-		add_action( 'init', array( $this, 'init' ), 1 );
-		add_action( 'getpaid_init', array( $this, 'maybe_process_ipn' ), 5 );
-		add_action( 'init', array( &$this, 'wpinv_actions' ) );
-		add_action( 'init', array( $this, 'maybe_do_authenticated_action' ), 100 );
+		add_action('init', array($this, 'init'), 1);
+		add_action('getpaid_init', array($this, 'maybe_process_ipn'), 5);
+		add_action('init', array(&$this, 'wpinv_actions'));
+		add_action('init', array($this, 'maybe_do_authenticated_action'), 100);
 
-		if ( class_exists( 'BuddyPress' ) ) {
-			add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
+		if (class_exists('BuddyPress')) {
+			add_action('bp_include', array(&$this, 'bp_invoicing_init'));
 		}
 
-		add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
-		add_action( 'wp_footer', array( &$this, 'wp_footer' ) );
-		add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
-		add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', array( $this, 'wpseo_exclude_from_sitemap_by_post_ids' ) );
-		add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
+		add_action('wp_enqueue_scripts', array(&$this, 'enqueue_scripts'));
+		add_action('wp_footer', array(&$this, 'wp_footer'));
+		add_action('widgets_init', array(&$this, 'register_widgets'));
+		add_filter('wpseo_exclude_from_sitemap_by_post_ids', array($this, 'wpseo_exclude_from_sitemap_by_post_ids'));
+		add_filter('pre_get_posts', array(&$this, 'pre_get_posts'));
 
 		// Fires after registering actions.
-		do_action( 'wpinv_actions', $this );
-		do_action( 'getpaid_actions', $this );
+		do_action('wpinv_actions', $this);
+		do_action('getpaid_actions', $this);
 
 	}
 
@@ -154,10 +154,10 @@ 
 		/* Internationalize the text strings used. */
 		$this->load_textdomain();
 
-		do_action( 'wpinv_loaded' );
+		do_action('wpinv_loaded');
 
 		// Fix oxygen page builder conflict
-		if ( function_exists( 'ct_css_output' ) ) {
+		if (function_exists('ct_css_output')) {
 			wpinv_oxygen_fix_conflict();
 		}
 	}
@@ -167,21 +167,21 @@ 
 	 *
 	 * @since 1.0
 	 */
-	public function load_textdomain( $locale = NULL ) {
-		if ( empty( $locale ) ) {
-			$locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
+	public function load_textdomain($locale = NULL) {
+		if (empty($locale)) {
+			$locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
 		}
 
-		$locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
+		$locale = apply_filters('plugin_locale', $locale, 'invoicing');
 
-		unload_textdomain( 'invoicing' );
-		load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
-		load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
+		unload_textdomain('invoicing');
+		load_textdomain('invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo');
+		load_plugin_textdomain('invoicing', false, WPINV_PLUGIN_DIR . 'languages');
 
 		/**
 		 * Define language constants.
 		 */
-		require_once( WPINV_PLUGIN_DIR . 'language.php' );
+		require_once(WPINV_PLUGIN_DIR . 'language.php');
 	}
 
 	/**
@@ -190,90 +190,90 @@ 
 	public function includes() {
 
 		// Start with the settings.
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
+		require_once(WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php');
 
 		// Packages/libraries.
-		require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
-		require_once( WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php' );
+		require_once(WPINV_PLUGIN_DIR . 'vendor/autoload.php');
+		require_once(WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php');
 
 		// Load functions.
-		require_once( WPINV_PLUGIN_DIR . 'includes/deprecated-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/invoice-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/subscription-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/error-functions.php' );
+		require_once(WPINV_PLUGIN_DIR . 'includes/deprecated-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/invoice-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/subscription-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/error-functions.php');
 
 		// Register autoloader.
 		try {
-			spl_autoload_register( array( $this, 'autoload' ), true );
-		} catch ( Exception $e ) {
-			wpinv_error_log( $e->getMessage(), '', __FILE__, 149, true );
+			spl_autoload_register(array($this, 'autoload'), true);
+		} catch (Exception $e) {
+			wpinv_error_log($e->getMessage(), '', __FILE__, 149, true);
 		}
 
-		require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
-		require_once( WPINV_PLUGIN_DIR . 'widgets/getpaid.php' );
+		require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php');
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/checkout.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-history.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/subscriptions.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/buy-item.php');
+		require_once(WPINV_PLUGIN_DIR . 'widgets/getpaid.php');
 
 		/**
 		 * Load the tax class.
 		 */
-		if ( ! class_exists( 'WPInv_EUVat' ) ) {
-			require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
+		if (!class_exists('WPInv_EUVat')) {
+			require_once(WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php');
 		}
 
-		if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
+		if (is_admin() || (defined('WP_CLI') && WP_CLI)) {
 			GetPaid_Post_Types_Admin::init();
 
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
-			require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php' );
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php');
+			require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php');
 			// load the user class only on the users.php page
 			global $pagenow;
-			if($pagenow=='users.php'){
+			if ($pagenow == 'users.php') {
 				new WPInv_Admin_Users();
 			}
 		}
 
 		// Register cli commands
-		if ( defined( 'WP_CLI' ) && WP_CLI ) {
-			require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
-			WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
+		if (defined('WP_CLI') && WP_CLI) {
+			require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php');
+			WP_CLI::add_command('invoicing', 'WPInv_CLI');
 		}
 
-		require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
+		require_once(WPINV_PLUGIN_DIR . 'includes/admin/install.php');
 	}
 
 	/**
@@ -284,21 +284,21 @@ 
 	 * @since       1.0.19
 	 * @return      void
 	 */
-	public function autoload( $class_name ) {
+	public function autoload($class_name) {
 
 		// Normalize the class name...
-		$class_name  = strtolower( $class_name );
+		$class_name = strtolower($class_name);
 
 		// ... and make sure it is our class.
-		if ( false === strpos( $class_name, 'getpaid_' ) && false === strpos( $class_name, 'wpinv_' ) ) {
+		if (false === strpos($class_name, 'getpaid_') && false === strpos($class_name, 'wpinv_')) {
 			return;
 		}
 
 		// Next, prepare the file name from the class.
-		$file_name = 'class-' . str_replace( '_', '-', $class_name ) . '.php';
+		$file_name = 'class-' . str_replace('_', '-', $class_name) . '.php';
 
 		// Base path of the classes.
-		$plugin_path = untrailingslashit( WPINV_PLUGIN_DIR );
+		$plugin_path = untrailingslashit(WPINV_PLUGIN_DIR);
 
 		// And an array of possible locations in order of importance.
 		$locations = array(
@@ -310,10 +310,10 @@ 
 			"$plugin_path/includes/admin/meta-boxes",
 		);
 
-		foreach ( apply_filters( 'getpaid_autoload_locations', $locations ) as $location ) {
+		foreach (apply_filters('getpaid_autoload_locations', $locations) as $location) {
 
-			if ( file_exists( trailingslashit( $location ) . $file_name ) ) {
-				include trailingslashit( $location ) . $file_name;
+			if (file_exists(trailingslashit($location) . $file_name)) {
+				include trailingslashit($location) . $file_name;
 				break;
 			}
 
@@ -327,7 +327,7 @@ 
 	public function init() {
 
 		// Fires before getpaid inits.
-		do_action( 'before_getpaid_init', $this );
+		do_action('before_getpaid_init', $this);
 
 		// Load default gateways.
 		$gateways = apply_filters(
@@ -341,12 +341,12 @@ 
 			)
 		);
 
-		foreach ( $gateways as $id => $class ) {
-			$this->gateways[ $id ] = new $class();
+		foreach ($gateways as $id => $class) {
+			$this->gateways[$id] = new $class();
 		}
 
 		// Fires after getpaid inits.
-		do_action( 'getpaid_init', $this );
+		do_action('getpaid_init', $this);
 
 	}
 
@@ -356,69 +356,69 @@ 
 	public function maybe_process_ipn() {
 
 		// Ensure that this is an IPN request.
-		if ( empty( $_GET['wpi-listener'] ) || 'IPN' !== $_GET['wpi-listener'] || empty( $_GET['wpi-gateway'] ) ) {
+		if (empty($_GET['wpi-listener']) || 'IPN' !== $_GET['wpi-listener'] || empty($_GET['wpi-gateway'])) {
 			return;
 		}
 
-		$gateway = wpinv_clean( $_GET['wpi-gateway'] );
+		$gateway = wpinv_clean($_GET['wpi-gateway']);
 
-		do_action( 'wpinv_verify_payment_ipn', $gateway );
-		do_action( "wpinv_verify_{$gateway}_ipn" );
+		do_action('wpinv_verify_payment_ipn', $gateway);
+		do_action("wpinv_verify_{$gateway}_ipn");
 		exit;
 
 	}
 
 	public function enqueue_scripts() {
-		$suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css' );
-		wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version );
-		wp_enqueue_style( 'wpinv_front_style' );
+		$version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css');
+		wp_register_style('wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version);
+		wp_enqueue_style('wpinv_front_style');
 
 		// Register scripts
-		wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
-		wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  filemtime( WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js' ) );
+		wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
+		wp_register_script('wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array('jquery'), filemtime(WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js'));
 
 		$localize                         = array();
-		$localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-		$localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
+		$localize['ajax_url']             = admin_url('admin-ajax.php');
+		$localize['nonce']                = wp_create_nonce('wpinv-nonce');
 		$localize['currency_symbol']      = wpinv_currency_symbol();
 		$localize['currency_pos']         = wpinv_currency_position();
 		$localize['thousand_sep']         = wpinv_thousands_separator();
 		$localize['decimal_sep']          = wpinv_decimal_separator();
 		$localize['decimals']             = wpinv_decimals();
-		$localize['txtComplete']          = __( 'Continue', 'invoicing' );
+		$localize['txtComplete']          = __('Continue', 'invoicing');
 		$localize['UseTaxes']             = wpinv_use_taxes();
-		$localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
-		$localize['formNonce']            = wp_create_nonce( 'getpaid_form_nonce' );
-		$localize['connectionError']      = __( 'Could not establish a connection to the server.', 'invoicing' );
+		$localize['checkoutNonce']        = wp_create_nonce('wpinv_checkout_nonce');
+		$localize['formNonce']            = wp_create_nonce('getpaid_form_nonce');
+		$localize['connectionError']      = __('Could not establish a connection to the server.', 'invoicing');
 
-		$localize = apply_filters( 'wpinv_front_js_localize', $localize );
+		$localize = apply_filters('wpinv_front_js_localize', $localize);
 
-		wp_enqueue_script( 'jquery-blockui' );
+		wp_enqueue_script('jquery-blockui');
 		$autofill_api = wpinv_get_option('address_autofill_api');
 		$autofill_active = wpinv_get_option('address_autofill_active');
-		if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
-			if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
-				wp_dequeue_script( 'google-maps-api' );
+		if (isset($autofill_active) && 1 == $autofill_active && !empty($autofill_api) && wpinv_is_checkout()) {
+			if (wp_script_is('google-maps-api', 'enqueued')) {
+				wp_dequeue_script('google-maps-api');
 			}
-			wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
-			wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
+			wp_enqueue_script('google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array('jquery'), '', false);
+			wp_enqueue_script('google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array('jquery', 'google-maps-api'), '', true);
 		}
 
-		wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), WPINV_VERSION, 'all' );
-		wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+		wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), WPINV_VERSION, 'all');
+		wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-		wp_enqueue_script( 'wpinv-front-script' );
-		wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
+		wp_enqueue_script('wpinv-front-script');
+		wp_localize_script('wpinv-front-script', 'WPInv', $localize);
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js' );
-		wp_enqueue_script( 'wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array( 'wpinv-front-script', 'wp-hooks' ),  $version, true );
+		$version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js');
+		wp_enqueue_script('wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array('wpinv-front-script', 'wp-hooks'), $version, true);
 	}
 
 	public function wpinv_actions() {
-		if ( isset( $_REQUEST['wpi_action'] ) ) {
-			do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
+		if (isset($_REQUEST['wpi_action'])) {
+			do_action('wpinv_' . wpinv_sanitize_key($_REQUEST['wpi_action']), $_REQUEST);
 		}
 	}
 
@@ -430,23 +430,23 @@ 
      */
     public function maybe_do_authenticated_action() {
 
-        if ( is_user_logged_in() && isset( $_REQUEST['getpaid-action'] ) && isset( $_REQUEST['getpaid-nonce'] ) && wp_verify_nonce( $_REQUEST['getpaid-nonce'], 'getpaid-nonce' ) ) {
-            $key = sanitize_key( $_REQUEST['getpaid-action'] );
-            do_action( "getpaid_authenticated_action_$key", $_REQUEST );
+        if (is_user_logged_in() && isset($_REQUEST['getpaid-action']) && isset($_REQUEST['getpaid-nonce']) && wp_verify_nonce($_REQUEST['getpaid-nonce'], 'getpaid-nonce')) {
+            $key = sanitize_key($_REQUEST['getpaid-action']);
+            do_action("getpaid_authenticated_action_$key", $_REQUEST);
         }
 
     }
 
-	public function pre_get_posts( $wp_query ) {
-		if ( ! is_admin() && !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() ) {
-			$wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
+	public function pre_get_posts($wp_query) {
+		if (!is_admin() && !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()) {
+			$wp_query->query_vars['post_status'] = array_keys(wpinv_get_invoice_statuses());
 		}
 
 		return $wp_query;
 	}
 
 	public function bp_invoicing_init() {
-		require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
+		require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php');
 	}
 
 	/**
@@ -467,8 +467,8 @@ 
 			)
 		);
 
-		foreach ( $widgets as $widget ) {
-			register_widget( $widget );
+		foreach ($widgets as $widget) {
+			register_widget($widget);
 		}
 		
 	}
@@ -479,10 +479,10 @@ 
 	 * @since 1.0.19
 	 * @param int[] $excluded_posts_ids
 	 */
-	public function wpseo_exclude_from_sitemap_by_post_ids( $excluded_posts_ids ){
+	public function wpseo_exclude_from_sitemap_by_post_ids($excluded_posts_ids) {
 
 		// Ensure that we have an array.
-		if ( ! is_array( $excluded_posts_ids ) ) {
+		if (!is_array($excluded_posts_ids)) {
 			$excluded_posts_ids = array();
 		}
 
@@ -490,24 +490,24 @@ 
 		$our_pages = array();
 
 		// Checkout page.
-		$our_pages[] = wpinv_get_option( 'checkout_page', false );
+		$our_pages[] = wpinv_get_option('checkout_page', false);
 
 		// Success page.
-		$our_pages[] = wpinv_get_option( 'success_page', false );
+		$our_pages[] = wpinv_get_option('success_page', false);
 
 		// Failure page.
-		$our_pages[] = wpinv_get_option( 'failure_page', false );
+		$our_pages[] = wpinv_get_option('failure_page', false);
 
 		// History page.
-		$our_pages[] = wpinv_get_option( 'invoice_history_page', false );
+		$our_pages[] = wpinv_get_option('invoice_history_page', false);
 
 		// Subscriptions page.
-		$our_pages[] = wpinv_get_option( 'invoice_subscription_page', false );
+		$our_pages[] = wpinv_get_option('invoice_subscription_page', false);
 
-		$our_pages   = array_map( 'intval', array_filter( $our_pages ) );
+		$our_pages   = array_map('intval', array_filter($our_pages));
 
 		$excluded_posts_ids = $excluded_posts_ids + $our_pages;
-		return array_unique( $excluded_posts_ids );
+		return array_unique($excluded_posts_ids);
 
 	}
 

includes/wpinv-general-functions.php

Spacing +133 added lines, -133 removed lines

@@ -7,172 +7,172 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_is_checkout() {
     global $wp_query;
 
-    $is_object_set    = isset( $wp_query->queried_object );
-    $is_object_id_set = isset( $wp_query->queried_object_id );
-    $checkout_page    = wpinv_get_option( 'checkout_page' );
-    $is_checkout      = ! empty( $checkout_page ) && is_page( $checkout_page );
+    $is_object_set    = isset($wp_query->queried_object);
+    $is_object_id_set = isset($wp_query->queried_object_id);
+    $checkout_page    = wpinv_get_option('checkout_page');
+    $is_checkout      = !empty($checkout_page) && is_page($checkout_page);
 
-    if ( !$is_object_set ) {
-        unset( $wp_query->queried_object );
+    if (!$is_object_set) {
+        unset($wp_query->queried_object);
     }
 
-    if ( !$is_object_id_set ) {
-        unset( $wp_query->queried_object_id );
+    if (!$is_object_id_set) {
+        unset($wp_query->queried_object_id);
     }
 
-    return apply_filters( 'wpinv_is_checkout', $is_checkout );
+    return apply_filters('wpinv_is_checkout', $is_checkout);
 }
 
 function wpinv_can_checkout() {
 	$can_checkout = true; // Always true for now
 
-	return (bool) apply_filters( 'wpinv_can_checkout', $can_checkout );
+	return (bool) apply_filters('wpinv_can_checkout', $can_checkout);
 }
 
 function wpinv_get_success_page_uri() {
-	$page_id = wpinv_get_option( 'success_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('success_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_success_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_success_page_uri', get_permalink($page_id));
 }
 
 function wpinv_get_history_page_uri() {
-	$page_id = wpinv_get_option( 'invoice_history_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('invoice_history_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_history_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_history_page_uri', get_permalink($page_id));
 }
 
 function wpinv_is_success_page() {
-	$is_success_page = wpinv_get_option( 'success_page', false );
-	$is_success_page = ! empty( $is_success_page ) ? is_page( $is_success_page ) : false;
+	$is_success_page = wpinv_get_option('success_page', false);
+	$is_success_page = !empty($is_success_page) ? is_page($is_success_page) : false;
 
-	return apply_filters( 'wpinv_is_success_page', $is_success_page );
+	return apply_filters('wpinv_is_success_page', $is_success_page);
 }
 
 function wpinv_is_invoice_history_page() {
-	$ret = wpinv_get_option( 'invoice_history_page', false );
-	$ret = $ret ? is_page( $ret ) : false;
-	return apply_filters( 'wpinv_is_invoice_history_page', $ret );
+	$ret = wpinv_get_option('invoice_history_page', false);
+	$ret = $ret ? is_page($ret) : false;
+	return apply_filters('wpinv_is_invoice_history_page', $ret);
 }
 
 function wpinv_is_subscriptions_history_page() {
-    $ret = wpinv_get_option( 'invoice_subscription_page', false );
-    $ret = $ret ? is_page( $ret ) : false;
-    return apply_filters( 'wpinv_is_subscriptions_history_page', $ret );
+    $ret = wpinv_get_option('invoice_subscription_page', false);
+    $ret = $ret ? is_page($ret) : false;
+    return apply_filters('wpinv_is_subscriptions_history_page', $ret);
 }
 
 /**
  * Redirects a user the success page.
  */
-function wpinv_send_to_success_page( $args = array() ) {
+function wpinv_send_to_success_page($args = array()) {
     $redirect = add_query_arg(
-        wp_parse_args( $args ),
+        wp_parse_args($args),
         wpinv_get_success_page_uri()
     );
 
-    wp_redirect( $redirect );
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_send_to_failed_page( $args = null ) {
+function wpinv_send_to_failed_page($args = null) {
 	$redirect = wpinv_get_failed_transaction_uri();
     
-    if ( !empty( $args ) ) {
+    if (!empty($args)) {
         // Check for backward compatibility
-        if ( is_string( $args ) )
-            $args = str_replace( '?', '', $args );
+        if (is_string($args))
+            $args = str_replace('?', '', $args);
 
-        $args = wp_parse_args( $args );
+        $args = wp_parse_args($args);
 
-        $redirect = add_query_arg( $args, $redirect );
+        $redirect = add_query_arg($args, $redirect);
     }
 
-    $gateway = isset( $_REQUEST['wpi-gateway'] ) ? $_REQUEST['wpi-gateway'] : '';
+    $gateway = isset($_REQUEST['wpi-gateway']) ? $_REQUEST['wpi-gateway'] : '';
     
-    $redirect = apply_filters( 'wpinv_failed_page_redirect', $redirect, $gateway, $args );
-    wp_redirect( $redirect );
+    $redirect = apply_filters('wpinv_failed_page_redirect', $redirect, $gateway, $args);
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_get_checkout_uri( $args = array() ) {
-	$uri = wpinv_get_option( 'checkout_page', false );
-	$uri = isset( $uri ) ? get_permalink( $uri ) : NULL;
+function wpinv_get_checkout_uri($args = array()) {
+	$uri = wpinv_get_option('checkout_page', false);
+	$uri = isset($uri) ? get_permalink($uri) : NULL;
 
-	if ( !empty( $args ) ) {
+	if (!empty($args)) {
 		// Check for backward compatibility
-		if ( is_string( $args ) )
-			$args = str_replace( '?', '', $args );
+		if (is_string($args))
+			$args = str_replace('?', '', $args);
 
-		$args = wp_parse_args( $args );
+		$args = wp_parse_args($args);
 
-		$uri = add_query_arg( $args, $uri );
+		$uri = add_query_arg($args, $uri);
 	}
 
-	$scheme = defined( 'FORCE_SSL_ADMIN' ) && FORCE_SSL_ADMIN ? 'https' : 'admin';
+	$scheme = defined('FORCE_SSL_ADMIN') && FORCE_SSL_ADMIN ? 'https' : 'admin';
 
-	$ajax_url = admin_url( 'admin-ajax.php', $scheme );
+	$ajax_url = admin_url('admin-ajax.php', $scheme);
 
-	if ( ( ! preg_match( '/^https/', $uri ) && preg_match( '/^https/', $ajax_url ) ) || wpinv_is_ssl_enforced() ) {
-		$uri = preg_replace( '/^http:/', 'https:', $uri );
+	if ((!preg_match('/^https/', $uri) && preg_match('/^https/', $ajax_url)) || wpinv_is_ssl_enforced()) {
+		$uri = preg_replace('/^http:/', 'https:', $uri);
 	}
 
-	return apply_filters( 'wpinv_get_checkout_uri', $uri );
+	return apply_filters('wpinv_get_checkout_uri', $uri);
 }
 
-function wpinv_get_success_page_url( $query_string = null ) {
-	$success_page = wpinv_get_option( 'success_page', 0 );
-	$success_page = get_permalink( $success_page );
+function wpinv_get_success_page_url($query_string = null) {
+	$success_page = wpinv_get_option('success_page', 0);
+	$success_page = get_permalink($success_page);
 
-	if ( $query_string )
+	if ($query_string)
 		$success_page .= $query_string;
 
-	return apply_filters( 'wpinv_success_page_url', $success_page );
+	return apply_filters('wpinv_success_page_url', $success_page);
 }
 
-function wpinv_get_failed_transaction_uri( $extras = false ) {
-	$uri = wpinv_get_option( 'failure_page', '' );
-	$uri = ! empty( $uri ) ? trailingslashit( get_permalink( $uri ) ) : home_url();
+function wpinv_get_failed_transaction_uri($extras = false) {
+	$uri = wpinv_get_option('failure_page', '');
+	$uri = !empty($uri) ? trailingslashit(get_permalink($uri)) : home_url();
 
-	if ( $extras )
+	if ($extras)
 		$uri .= $extras;
 
-	return apply_filters( 'wpinv_get_failed_transaction_uri', $uri );
+	return apply_filters('wpinv_get_failed_transaction_uri', $uri);
 }
 
 function wpinv_is_failed_transaction_page() {
-	$ret = wpinv_get_option( 'failure_page', false );
-	$ret = isset( $ret ) ? is_page( $ret ) : false;
+	$ret = wpinv_get_option('failure_page', false);
+	$ret = isset($ret) ? is_page($ret) : false;
 
-	return apply_filters( 'wpinv_is_failure_page', $ret );
+	return apply_filters('wpinv_is_failure_page', $ret);
 }
 
-function wpinv_transaction_query( $type = 'start' ) {
+function wpinv_transaction_query($type = 'start') {
     global $wpdb;
 
     $wpdb->hide_errors();
 
-    if ( ! defined( 'WPINV_USE_TRANSACTIONS' ) ) {
-        define( 'WPINV_USE_TRANSACTIONS', true );
+    if (!defined('WPINV_USE_TRANSACTIONS')) {
+        define('WPINV_USE_TRANSACTIONS', true);
     }
 
-    if ( WPINV_USE_TRANSACTIONS ) {
-        switch ( $type ) {
+    if (WPINV_USE_TRANSACTIONS) {
+        switch ($type) {
             case 'commit' :
-                $wpdb->query( 'COMMIT' );
+                $wpdb->query('COMMIT');
                 break;
             case 'rollback' :
-                $wpdb->query( 'ROLLBACK' );
+                $wpdb->query('ROLLBACK');
                 break;
             default :
-                $wpdb->query( 'START TRANSACTION' );
+                $wpdb->query('START TRANSACTION');
             break;
         }
     }
@@ -181,141 +181,141 @@ 
 function wpinv_get_prefix() {
     $invoice_prefix = 'INV-';
     
-    return apply_filters( 'wpinv_get_prefix', $invoice_prefix );
+    return apply_filters('wpinv_get_prefix', $invoice_prefix);
 }
 
 function wpinv_get_business_logo() {
-    $business_logo = wpinv_get_option( 'logo' );
-    return apply_filters( 'wpinv_get_business_logo', $business_logo );
+    $business_logo = wpinv_get_option('logo');
+    return apply_filters('wpinv_get_business_logo', $business_logo);
 }
 
 function wpinv_get_business_name() {
     $business_name = wpinv_get_option('store_name');
-    return apply_filters( 'wpinv_get_business_name', $business_name );
+    return apply_filters('wpinv_get_business_name', $business_name);
 }
 
 function wpinv_get_blogname() {
-    return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+    return wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
 }
 
 function wpinv_get_admin_email() {
-    $admin_email = wpinv_get_option( 'admin_email', get_option( 'admin_email' ) );
-    return apply_filters( 'wpinv_admin_email', $admin_email );
+    $admin_email = wpinv_get_option('admin_email', get_option('admin_email'));
+    return apply_filters('wpinv_admin_email', $admin_email);
 }
 
 function wpinv_get_business_website() {
-    $business_website = home_url( '/' );
-    return apply_filters( 'wpinv_get_business_website', $business_website );
+    $business_website = home_url('/');
+    return apply_filters('wpinv_get_business_website', $business_website);
 }
 
-function wpinv_get_terms_text( $invoice_id = 0 ) {
+function wpinv_get_terms_text($invoice_id = 0) {
     $terms_text = '';
-    return apply_filters( 'wpinv_get_terms_text', $terms_text, $invoice_id );
+    return apply_filters('wpinv_get_terms_text', $terms_text, $invoice_id);
 }
 
 function wpinv_get_business_footer() {
-    $site_link = '<a target="_blank" href="' . esc_url( wpinv_get_business_website() ) . '">' . esc_html( wpinv_get_business_name() ) . '</a>';
-    $business_footer = wp_sprintf( __( 'Thanks for using %s', 'invoicing' ), $site_link );
-    return apply_filters( 'wpinv_get_business_footer', $business_footer );
+    $site_link = '<a target="_blank" href="' . esc_url(wpinv_get_business_website()) . '">' . esc_html(wpinv_get_business_name()) . '</a>';
+    $business_footer = wp_sprintf(__('Thanks for using %s', 'invoicing'), $site_link);
+    return apply_filters('wpinv_get_business_footer', $business_footer);
 }
 
 function wpinv_checkout_required_fields() {
     $required_fields = array();
     
     // Let payment gateways and other extensions determine if address fields should be required
-    $require_billing_details = apply_filters( 'wpinv_checkout_required_billing_details', wpinv_use_taxes() );
+    $require_billing_details = apply_filters('wpinv_checkout_required_billing_details', wpinv_use_taxes());
     
-    if ( $require_billing_details ) {
-		if ( (bool)wpinv_get_option( 'fname_mandatory' ) ) {
+    if ($require_billing_details) {
+		if ((bool) wpinv_get_option('fname_mandatory')) {
 			$required_fields['first_name'] = array(
 				'error_id' => 'invalid_first_name',
-				'error_message' => __( 'Please enter your first name', 'invoicing' )
+				'error_message' => __('Please enter your first name', 'invoicing')
 			);
 		}
-		if ( (bool)wpinv_get_option( 'address_mandatory' ) ) {
+		if ((bool) wpinv_get_option('address_mandatory')) {
 			$required_fields['address'] = array(
 				'error_id' => 'invalid_address',
-				'error_message' => __( 'Please enter your address', 'invoicing' )
+				'error_message' => __('Please enter your address', 'invoicing')
 			);
 		}
-		if ( (bool)wpinv_get_option( 'city_mandatory' ) ) {
+		if ((bool) wpinv_get_option('city_mandatory')) {
 			$required_fields['city'] = array(
 				'error_id' => 'invalid_city',
-				'error_message' => __( 'Please enter your billing city', 'invoicing' )
+				'error_message' => __('Please enter your billing city', 'invoicing')
 			);
 		}
-		if ( (bool)wpinv_get_option( 'state_mandatory' ) ) {
+		if ((bool) wpinv_get_option('state_mandatory')) {
 			$required_fields['state'] = array(
 				'error_id' => 'invalid_state',
-				'error_message' => __( 'Please enter billing state / province', 'invoicing' )
+				'error_message' => __('Please enter billing state / province', 'invoicing')
 			);
 		}
-		if ( (bool)wpinv_get_option( 'country_mandatory' ) ) {
+		if ((bool) wpinv_get_option('country_mandatory')) {
 			$required_fields['country'] = array(
 				'error_id' => 'invalid_country',
-				'error_message' => __( 'Please select your billing country', 'invoicing' )
+				'error_message' => __('Please select your billing country', 'invoicing')
 			);
 		}
     }
 
-    return apply_filters( 'wpinv_checkout_required_fields', $required_fields );
+    return apply_filters('wpinv_checkout_required_fields', $required_fields);
 }
 
 function wpinv_is_ssl_enforced() {
-    $ssl_enforced = wpinv_get_option( 'enforce_ssl', false );
-    return (bool) apply_filters( 'wpinv_is_ssl_enforced', $ssl_enforced );
+    $ssl_enforced = wpinv_get_option('enforce_ssl', false);
+    return (bool) apply_filters('wpinv_is_ssl_enforced', $ssl_enforced);
 }
 
 function wpinv_schedule_event_twicedaily() {
     wpinv_email_payment_reminders();
 }
-add_action( 'wpinv_register_schedule_event_daily', 'wpinv_schedule_event_twicedaily' );
+add_action('wpinv_register_schedule_event_daily', 'wpinv_schedule_event_twicedaily');
 
 function wpinv_require_login_to_checkout() {
-    $return = wpinv_get_option( 'login_to_checkout', false );
-    return (bool) apply_filters( 'wpinv_require_login_to_checkout', $return );
+    $return = wpinv_get_option('login_to_checkout', false);
+    return (bool) apply_filters('wpinv_require_login_to_checkout', $return);
 }
 
-function wpinv_sequential_number_active( $type = '' ) {
-    $check = apply_filters( 'wpinv_pre_check_sequential_number_active', null, $type );
-    if ( null !== $check ) {
+function wpinv_sequential_number_active($type = '') {
+    $check = apply_filters('wpinv_pre_check_sequential_number_active', null, $type);
+    if (null !== $check) {
         return $check;
     }
     
-    return wpinv_get_option( 'sequential_invoice_number' );
+    return wpinv_get_option('sequential_invoice_number');
 }
 
-function wpinv_switch_to_locale( $locale = NULL ) {
+function wpinv_switch_to_locale($locale = NULL) {
     global $invoicing, $wpi_switch_locale;
 
-    if ( ! empty( $invoicing ) && function_exists( 'switch_to_locale' ) ) {
-        $locale = empty( $locale ) ? get_locale() : $locale;
+    if (!empty($invoicing) && function_exists('switch_to_locale')) {
+        $locale = empty($locale) ? get_locale() : $locale;
 
-        switch_to_locale( $locale );
+        switch_to_locale($locale);
 
         $wpi_switch_locale = $locale;
 
-        add_filter( 'plugin_locale', 'get_locale' );
+        add_filter('plugin_locale', 'get_locale');
 
         $invoicing->load_textdomain();
 
-        do_action( 'wpinv_switch_to_locale', $locale );
+        do_action('wpinv_switch_to_locale', $locale);
     }
 }
 
 function wpinv_restore_locale() {
     global $invoicing, $wpi_switch_locale;
     
-    if ( ! empty( $invoicing ) && function_exists( 'restore_previous_locale' ) && $wpi_switch_locale ) {
+    if (!empty($invoicing) && function_exists('restore_previous_locale') && $wpi_switch_locale) {
         restore_previous_locale();
 
         $wpi_switch_locale = NULL;
 
-        remove_filter( 'plugin_locale', 'get_locale' );
+        remove_filter('plugin_locale', 'get_locale');
 
         $invoicing->load_textdomain();
 
-        do_action( 'wpinv_restore_locale' );
+        do_action('wpinv_restore_locale');
     }
 }
 
@@ -323,22 +323,22 @@ 
  * Returns the default form's id.
  */
 function wpinv_get_default_payment_form() {
-    $form = get_option( 'wpinv_default_payment_form' );
+    $form = get_option('wpinv_default_payment_form');
 
-    if ( empty( $form ) || 'publish' != get_post_status( $form ) ) {
+    if (empty($form) || 'publish' != get_post_status($form)) {
         $form = wp_insert_post(
             array(
                 'post_type'   => 'wpi_payment_form',
-                'post_title'  => __( 'Checkout (default)', 'invoicing' ),
+                'post_title'  => __('Checkout (default)', 'invoicing'),
                 'post_status' => 'publish',
                 'meta_input'  => array(
-                    'wpinv_form_elements' => wpinv_get_data( 'default-payment-form' ),
+                    'wpinv_form_elements' => wpinv_get_data('default-payment-form'),
                     'wpinv_form_items'    => array(),
                 )
             )
         );
 
-        update_option( 'wpinv_default_payment_form', $form );
+        update_option('wpinv_default_payment_form', $form);
     }
 
     return $form;
@@ -349,19 +349,19 @@ 
  * 
  * @param int $payment_form
  */
-function getpaid_get_payment_form_elements( $payment_form ) {
+function getpaid_get_payment_form_elements($payment_form) {
 
-    if ( empty( $payment_form ) ) {
-        return wpinv_get_data( 'sample-payment-form' );
+    if (empty($payment_form)) {
+        return wpinv_get_data('sample-payment-form');
     }
 
-    $form_elements = get_post_meta( $payment_form, 'wpinv_form_elements', true );
+    $form_elements = get_post_meta($payment_form, 'wpinv_form_elements', true);
 
-    if ( is_array( $form_elements ) ) {
+    if (is_array($form_elements)) {
         return $form_elements;
     }
 
-    return wpinv_get_data( 'sample-payment-form' );
+    return wpinv_get_data('sample-payment-form');
 
 }
 
@@ -370,13 +370,13 @@ 
  * 
  * @param int $payment_form
  */
-function gepaid_get_form_items( $id ) {
-    $form = new GetPaid_Payment_Form( $id );
+function gepaid_get_form_items($id) {
+    $form = new GetPaid_Payment_Form($id);
 
     // Is this a default form?
-    if ( $form->is_default() ) {
+    if ($form->is_default()) {
         return array();
     }
 
-    return $form->get_items( 'view', 'arrays' );
+    return $form->get_items('view', 'arrays');
 }

includes/admin/class-getpaid-admin.php

Indentation +211 added lines, -211 removed lines

@@ -14,62 +14,62 @@ 
 class GetPaid_Admin {
 
     /**
-	 * Local path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
-	public $admin_path;
-
-	/**
-	 * Web path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
+     * Local path to this plugins admin directory
+     *
+     * @var         string
+     */
+    public $admin_path;
+
+    /**
+     * Web path to this plugins admin directory
+     *
+     * @var         string
+     */
     public $admin_url;
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct(){
+     * Class constructor.
+     */
+    public function __construct(){
 
         $this->admin_path  = plugin_dir_path( __FILE__ );
         $this->admin_url   = plugins_url( '/', __FILE__ );
 
         if ( is_admin() ) {
-			$this->init_admin_hooks();
+            $this->init_admin_hooks();
         }
 
     }
 
     /**
-	 * Init action and filter hooks
-	 *
-	 */
-	private function init_admin_hooks() {
+     * Init action and filter hooks
+     *
+     */
+    private function init_admin_hooks() {
         add_action( 'admin_enqueue_scripts', array( $this, 'enqeue_scripts' ) );
         add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
         add_action( 'admin_init', array( $this, 'init_ayecode_connect_helper' ) );
         add_action( 'admin_init', array( $this, 'activation_redirect') );
         add_action( 'admin_init', array( $this, 'maybe_do_admin_action') );
-		add_action( 'admin_notices', array( $this, 'show_notices' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
-		do_action( 'getpaid_init_admin_hooks', $this );
+        add_action( 'admin_notices', array( $this, 'show_notices' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
+        do_action( 'getpaid_init_admin_hooks', $this );
 
     }
 
     /**
-	 * Register admin scripts
-	 *
-	 */
-	public function enqeue_scripts() {
+     * Register admin scripts
+     *
+     */
+    public function enqeue_scripts() {
         global $current_screen, $pagenow;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
-		$editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
+        $page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         // General styles.
@@ -93,30 +93,30 @@ 
         }
 
         // Payment form scripts.
-		if ( 'wpi_payment_form' == $page && $editing ) {
+        if ( 'wpi_payment_form' == $page && $editing ) {
             $this->load_payment_form_scripts();
         }
 
         if ( $page == 'wpinv-subscriptions' ) {
-			wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
-			wp_enqueue_script( 'wpinv-sub-admin-script' );
-		}
+            wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
+            wp_enqueue_script( 'wpinv-sub-admin-script' );
+        }
 
-		if ( $page == 'wpinv-reports' ) {
-			wp_enqueue_script( 'jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array( 'jquery' ), '0.7' );
-		}
+        if ( $page == 'wpinv-reports' ) {
+            wp_enqueue_script( 'jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array( 'jquery' ), '0.7' );
+        }
 
-		if ( $page == 'wpinv-subscriptions' ) {
-			wp_enqueue_script( 'postbox' );
-		}
+        if ( $page == 'wpinv-subscriptions' ) {
+            wp_enqueue_script( 'postbox' );
+        }
 
     }
 
     /**
-	 * Returns admin js translations.
-	 *
-	 */
-	protected function get_admin_i18() {
+     * Returns admin js translations.
+     *
+     */
+    protected function get_admin_i18() {
         global $post;
 
         return array(
@@ -157,32 +157,32 @@ 
     }
 
     /**
-	 * Loads payment form js.
-	 *
-	 */
-	protected function load_payment_form_scripts() {
+     * Loads payment form js.
+     *
+     */
+    protected function load_payment_form_scripts() {
         global $post;
 
         wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+        wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
+        wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-		wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
+        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
+        wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
 
-		wp_localize_script(
+        wp_localize_script(
             'wpinv-admin-payment-form-script',
             'wpinvPaymentFormAdmin',
             array(
-				'elements'      => wpinv_get_data( 'payment-form-elements' ),
-				'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
-				'currency'      => wpinv_currency_symbol(),
-				'position'      => wpinv_currency_position(),
-				'decimals'      => (int) wpinv_decimals(),
-				'thousands_sep' => wpinv_thousands_separator(),
-				'decimals_sep'  => wpinv_decimal_separator(),
-				'form_items'    => gepaid_get_form_items( $post->ID ),
-				'is_default'    => $post->ID == wpinv_get_default_payment_form(),
+                'elements'      => wpinv_get_data( 'payment-form-elements' ),
+                'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
+                'currency'      => wpinv_currency_symbol(),
+                'position'      => wpinv_currency_position(),
+                'decimals'      => (int) wpinv_decimals(),
+                'thousands_sep' => wpinv_thousands_separator(),
+                'decimals_sep'  => wpinv_decimal_separator(),
+                'form_items'    => gepaid_get_form_items( $post->ID ),
+                'is_default'    => $post->ID == wpinv_get_default_payment_form(),
             )
         );
 
@@ -191,20 +191,20 @@ 
     }
 
     /**
-	 * Add our classes to admin pages.
+     * Add our classes to admin pages.
      *
      * @param string $classes
      * @return string
-	 *
-	 */
+     *
+     */
     public function admin_body_class( $classes ) {
-		global $pagenow, $post, $current_screen;
+        global $pagenow, $post, $current_screen;
 
 
         $page = isset( $_GET['page'] ) ? $_GET['page'] : '';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         if ( false !== stripos( $page, 'wpi' ) ) {
@@ -215,27 +215,27 @@ 
             $classes .= ' wpinv-cpt wpinv';
         }
 
-		if ( $pagenow == 'post.php' && $page == 'wpi_item' && ! empty( $post ) && ! wpinv_item_is_editable( $post ) ) {
-			$classes .= ' wpi-editable-n';
-		}
+        if ( $pagenow == 'post.php' && $page == 'wpi_item' && ! empty( $post ) && ! wpinv_item_is_editable( $post ) ) {
+            $classes .= ' wpi-editable-n';
+        }
 
-		return $classes;
+        return $classes;
     }
 
     /**
-	 * Maybe show the AyeCode Connect Notice.
-	 */
-	public function init_ayecode_connect_helper(){
+     * Maybe show the AyeCode Connect Notice.
+     */
+    public function init_ayecode_connect_helper(){
 
         new AyeCode_Connect_Helper(
             array(
-				'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-				'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-				'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-				'connect_button'    => __("Connect Site","invoicing"),
-				'connecting_button'    => __("Connecting...","invoicing"),
-				'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-				'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
+                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
+                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
+                'connect_button'    => __("Connect Site","invoicing"),
+                'connecting_button'    => __("Connecting...","invoicing"),
+                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
+                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
             ),
             array( 'wpi-addons' )
         );
@@ -247,21 +247,21 @@ 
      */
     public function activation_redirect() {
 
-		// Bail if no activation redirect.
-		if ( ! get_transient( '_wpinv_activation_redirect' ) || wp_doing_ajax() ) {
-			return;
-		}
+        // Bail if no activation redirect.
+        if ( ! get_transient( '_wpinv_activation_redirect' ) || wp_doing_ajax() ) {
+            return;
+        }
 
-		// Delete the redirect transient.
-		delete_transient( '_wpinv_activation_redirect' );
+        // Delete the redirect transient.
+        delete_transient( '_wpinv_activation_redirect' );
 
-		// Bail if activating from network, or bulk
-		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
-			return;
-		}
+        // Bail if activating from network, or bulk
+        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+            return;
+        }
 
-		wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
-		exit;
+        wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
+        exit;
     }
 
     /**
@@ -276,150 +276,150 @@ 
 
     }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_invoice( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ) );
+        $sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ) );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not sent the invoice to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not sent the invoice to the customer', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_payment_reminder( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
+        $sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
     /**
-	 * Returns an array of admin notices.
-	 *
-	 * @since       1.0.19
+     * Returns an array of admin notices.
+     *
+     * @since       1.0.19
      * @return array
-	 */
-	public function get_notices() {
-		$notices = get_option( 'wpinv_admin_notices' );
+     */
+    public function get_notices() {
+        $notices = get_option( 'wpinv_admin_notices' );
         return is_array( $notices ) ? $notices : array();
-	}
-
-	/**
-	 * Clears all admin notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function clear_notices() {
-		delete_option( 'wpinv_admin_notices' );
-	}
-
-	/**
-	 * Saves a new admin notice
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function save_notice( $type, $message ) {
-		$notices = $this->get_notices();
-
-		if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
-			$notices[ $type ] = array();
-		}
-
-		$notices[ $type ][] = $message;
-
-		update_option( 'wpinv_admin_notices', $notices );
-	}
-
-	/**
-	 * Displays a success notice
-	 *
-	 * @param       string $msg The message to qeue.
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_success( $msg ) {
-		$this->save_notice( 'success', $msg );
-	}
-
-	/**
-	 * Displays a error notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_error( $msg ) {
-		$this->save_notice( 'error', $msg );
-	}
-
-	/**
-	 * Displays a warning notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_warning( $msg ) {
-		$this->save_notice( 'warning', $msg );
-	}
-
-	/**
-	 * Displays a info notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_info( $msg ) {
-		$this->save_notice( 'info', $msg );
-	}
-
-	/**
-	 * Show notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_notices() {
+    }
+
+    /**
+     * Clears all admin notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function clear_notices() {
+        delete_option( 'wpinv_admin_notices' );
+    }
+
+    /**
+     * Saves a new admin notice
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function save_notice( $type, $message ) {
+        $notices = $this->get_notices();
+
+        if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
+            $notices[ $type ] = array();
+        }
+
+        $notices[ $type ][] = $message;
+
+        update_option( 'wpinv_admin_notices', $notices );
+    }
+
+    /**
+     * Displays a success notice
+     *
+     * @param       string $msg The message to qeue.
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_success( $msg ) {
+        $this->save_notice( 'success', $msg );
+    }
+
+    /**
+     * Displays a error notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_error( $msg ) {
+        $this->save_notice( 'error', $msg );
+    }
+
+    /**
+     * Displays a warning notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_warning( $msg ) {
+        $this->save_notice( 'warning', $msg );
+    }
+
+    /**
+     * Displays a info notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_info( $msg ) {
+        $this->save_notice( 'info', $msg );
+    }
+
+    /**
+     * Show notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_notices() {
 
         $notices = $this->get_notices();
         $this->clear_notices();
 
-		foreach ( $notices as $type => $messages ) {
+        foreach ( $notices as $type => $messages ) {
 
-			if ( ! is_array( $messages ) ) {
-				continue;
-			}
+            if ( ! is_array( $messages ) ) {
+                continue;
+            }
 
             $type  = sanitize_key( $type );
-			foreach ( $messages as $message ) {
+            foreach ( $messages as $message ) {
                 $message = wp_kses_post( $message );
-				echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
+                echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
             }
 
         }
 
-	}
+    }
 
 }

Spacing +125 added lines, -125 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * The main admin class.
@@ -30,12 +30,12 @@ 
     /**
 	 * Class constructor.
 	 */
-	public function __construct(){
+	public function __construct() {
 
-        $this->admin_path  = plugin_dir_path( __FILE__ );
-        $this->admin_url   = plugins_url( '/', __FILE__ );
+        $this->admin_path  = plugin_dir_path(__FILE__);
+        $this->admin_url   = plugins_url('/', __FILE__);
 
-        if ( is_admin() ) {
+        if (is_admin()) {
 			$this->init_admin_hooks();
         }
 
@@ -46,15 +46,15 @@ 
 	 *
 	 */
 	private function init_admin_hooks() {
-        add_action( 'admin_enqueue_scripts', array( $this, 'enqeue_scripts' ) );
-        add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
-        add_action( 'admin_init', array( $this, 'init_ayecode_connect_helper' ) );
-        add_action( 'admin_init', array( $this, 'activation_redirect') );
-        add_action( 'admin_init', array( $this, 'maybe_do_admin_action') );
-		add_action( 'admin_notices', array( $this, 'show_notices' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
-		do_action( 'getpaid_init_admin_hooks', $this );
+        add_action('admin_enqueue_scripts', array($this, 'enqeue_scripts'));
+        add_filter('admin_body_class', array($this, 'admin_body_class'));
+        add_action('admin_init', array($this, 'init_ayecode_connect_helper'));
+        add_action('admin_init', array($this, 'activation_redirect'));
+        add_action('admin_init', array($this, 'maybe_do_admin_action'));
+		add_action('admin_notices', array($this, 'show_notices'));
+		add_action('getpaid_authenticated_admin_action_send_invoice', array($this, 'send_customer_invoice'));
+		add_action('getpaid_authenticated_admin_action_send_invoice_reminder', array($this, 'send_customer_payment_reminder'));
+		do_action('getpaid_init_admin_hooks', $this);
 
     }
 
@@ -65,49 +65,49 @@ 
 	public function enqeue_scripts() {
         global $current_screen, $pagenow;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+		$page    = isset($_GET['page']) ? $_GET['page'] : '';
 		$editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
 
-        if ( ! empty( $current_screen->post_type ) ) {
+        if (!empty($current_screen->post_type)) {
 			$page = $current_screen->post_type;
         }
 
         // General styles.
-        if ( false !== stripos( $page, 'wpi' ) ) {
+        if (false !== stripos($page, 'wpi')) {
 
             // Styles.
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/admin.css' );
-            wp_enqueue_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array( 'wp-color-picker' ), $version );
-            wp_enqueue_style( 'select2', WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), '4.0.13', 'all' );
-            wp_enqueue_style( 'wp_enqueue_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION );
-            wp_enqueue_style( 'jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui.min.css', array(), '1.8.16' );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/admin.css');
+            wp_enqueue_style('wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array('wp-color-picker'), $version);
+            wp_enqueue_style('select2', WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), '4.0.13', 'all');
+            wp_enqueue_style('wp_enqueue_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION);
+            wp_enqueue_style('jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui.min.css', array(), '1.8.16');
 
             // Scripts.
-            wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '4.0.13', true );
-            wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full.min.js', array( 'jquery' ), WPINV_VERSION );
+            wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '4.0.13', true);
+            wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full.min.js', array('jquery'), WPINV_VERSION);
 
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin.js' );
-            wp_enqueue_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'jquery-blockui','jquery-ui-tooltip', 'wp-color-picker', 'jquery-ui-datepicker' ),  $version );
-            wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', apply_filters( 'wpinv_admin_js_localize', $this->get_admin_i18() ) );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin.js');
+            wp_enqueue_script('wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array('jquery', 'jquery-blockui', 'jquery-ui-tooltip', 'wp-color-picker', 'jquery-ui-datepicker'), $version);
+            wp_localize_script('wpinv-admin-script', 'WPInv_Admin', apply_filters('wpinv_admin_js_localize', $this->get_admin_i18()));
 
         }
 
         // Payment form scripts.
-		if ( 'wpi_payment_form' == $page && $editing ) {
+		if ('wpi_payment_form' == $page && $editing) {
             $this->load_payment_form_scripts();
         }
 
-        if ( $page == 'wpinv-subscriptions' ) {
-			wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
-			wp_enqueue_script( 'wpinv-sub-admin-script' );
+        if ($page == 'wpinv-subscriptions') {
+			wp_register_script('wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array('wpinv-admin-script'), WPINV_VERSION);
+			wp_enqueue_script('wpinv-sub-admin-script');
 		}
 
-		if ( $page == 'wpinv-reports' ) {
-			wp_enqueue_script( 'jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array( 'jquery' ), '0.7' );
+		if ($page == 'wpinv-reports') {
+			wp_enqueue_script('jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array('jquery'), '0.7');
 		}
 
-		if ( $page == 'wpinv-subscriptions' ) {
-			wp_enqueue_script( 'postbox' );
+		if ($page == 'wpinv-subscriptions') {
+			wp_enqueue_script('postbox');
 		}
 
     }
@@ -120,13 +120,13 @@ 
         global $post;
 
         return array(
-            'ajax_url'                  => admin_url( 'admin-ajax.php' ),
-            'post_ID'                   => isset( $post->ID ) ? $post->ID : '',
-            'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
-            'add_invoice_note_nonce'    => wp_create_nonce( 'add-invoice-note' ),
-            'delete_invoice_note_nonce' => wp_create_nonce( 'delete-invoice-note' ),
-            'invoice_item_nonce'        => wp_create_nonce( 'invoice-item' ),
-            'billing_details_nonce'     => wp_create_nonce( 'get-billing-details' ),
+            'ajax_url'                  => admin_url('admin-ajax.php'),
+            'post_ID'                   => isset($post->ID) ? $post->ID : '',
+            'wpinv_nonce'               => wp_create_nonce('wpinv-nonce'),
+            'add_invoice_note_nonce'    => wp_create_nonce('add-invoice-note'),
+            'delete_invoice_note_nonce' => wp_create_nonce('delete-invoice-note'),
+            'invoice_item_nonce'        => wp_create_nonce('invoice-item'),
+            'billing_details_nonce'     => wp_create_nonce('get-billing-details'),
             'tax'                       => wpinv_tax_amount(),
             'discount'                  => wpinv_discount_amount(),
             'currency_symbol'           => wpinv_currency_symbol(),
@@ -134,24 +134,24 @@ 
             'thousand_sep'              => wpinv_thousands_separator(),
             'decimal_sep'               => wpinv_decimal_separator(),
             'decimals'                  => wpinv_decimals(),
-            'save_invoice'              => __( 'Save Invoice', 'invoicing' ),
-            'status_publish'            => wpinv_status_nicename( 'publish' ),
-            'status_pending'            => wpinv_status_nicename( 'wpi-pending' ),
-            'delete_tax_rate'           => __( 'Are you sure you wish to delete this tax rate?', 'invoicing' ),
-            'status_pending'            => wpinv_status_nicename( 'wpi-pending' ),
-            'OneItemMin'                => __( 'Invoice must contain at least one item', 'invoicing' ),
-            'FillBillingDetails'        => __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' ),
-            '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' ),
-            'AreYouSure'                => __( 'Are you sure?', 'invoicing' ),
-            'emptyInvoice'              => __( 'Add at least one item to save invoice!', 'invoicing' ),
-            'errDeleteItem'             => __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' ),
-            'delete_subscription'       => __( 'Are you sure you want to delete this subscription?', 'invoicing' ),
-            'action_edit'               => __( 'Edit', 'invoicing' ),
-            'action_cancel'             => __( 'Cancel', 'invoicing' ),
-            'item_description'          => __( 'Item Description', 'invoicing' ),
-            'invoice_description'       => __( 'Invoice Description', 'invoicing' ),
-            'discount_description'      => __( 'Discount Description', 'invoicing' ),
-            'searching'                 => __( 'Searching', 'invoicing' ),
+            'save_invoice'              => __('Save Invoice', 'invoicing'),
+            'status_publish'            => wpinv_status_nicename('publish'),
+            'status_pending'            => wpinv_status_nicename('wpi-pending'),
+            'delete_tax_rate'           => __('Are you sure you wish to delete this tax rate?', 'invoicing'),
+            'status_pending'            => wpinv_status_nicename('wpi-pending'),
+            'OneItemMin'                => __('Invoice must contain at least one item', 'invoicing'),
+            'FillBillingDetails'        => __('Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing'),
+            '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'),
+            'AreYouSure'                => __('Are you sure?', 'invoicing'),
+            'emptyInvoice'              => __('Add at least one item to save invoice!', 'invoicing'),
+            'errDeleteItem'             => __('This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing'),
+            'delete_subscription'       => __('Are you sure you want to delete this subscription?', 'invoicing'),
+            'action_edit'               => __('Edit', 'invoicing'),
+            'action_cancel'             => __('Cancel', 'invoicing'),
+            'item_description'          => __('Item Description', 'invoicing'),
+            'invoice_description'       => __('Invoice Description', 'invoicing'),
+            'discount_description'      => __('Discount Description', 'invoicing'),
+            'searching'                 => __('Searching', 'invoicing'),
         );
 
     }
@@ -163,30 +163,30 @@ 
 	protected function load_payment_form_scripts() {
         global $post;
 
-        wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+        wp_enqueue_script('vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION);
+		wp_enqueue_script('sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION);
+		wp_enqueue_script('vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array('sortable', 'vue'), WPINV_VERSION);
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-		wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
+		$version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js');
+		wp_register_script('wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array('wpinv-admin-script', 'vue_draggable'), $version);
 
 		wp_localize_script(
             'wpinv-admin-payment-form-script',
             'wpinvPaymentFormAdmin',
             array(
-				'elements'      => wpinv_get_data( 'payment-form-elements' ),
-				'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
+				'elements'      => wpinv_get_data('payment-form-elements'),
+				'form_elements' => getpaid_get_payment_form_elements($post->ID),
 				'currency'      => wpinv_currency_symbol(),
 				'position'      => wpinv_currency_position(),
 				'decimals'      => (int) wpinv_decimals(),
 				'thousands_sep' => wpinv_thousands_separator(),
 				'decimals_sep'  => wpinv_decimal_separator(),
-				'form_items'    => gepaid_get_form_items( $post->ID ),
+				'form_items'    => gepaid_get_form_items($post->ID),
 				'is_default'    => $post->ID == wpinv_get_default_payment_form(),
             )
         );
 
-        wp_enqueue_script( 'wpinv-admin-payment-form-script' );
+        wp_enqueue_script('wpinv-admin-payment-form-script');
 
     }
 
@@ -197,25 +197,25 @@ 
      * @return string
 	 *
 	 */
-    public function admin_body_class( $classes ) {
+    public function admin_body_class($classes) {
 		global $pagenow, $post, $current_screen;
 
 
-        $page = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $page = isset($_GET['page']) ? $_GET['page'] : '';
 
-        if ( ! empty( $current_screen->post_type ) ) {
+        if (!empty($current_screen->post_type)) {
 			$page = $current_screen->post_type;
         }
 
-        if ( false !== stripos( $page, 'wpi' ) ) {
-            $classes .= ' wpi-' . sanitize_key( $page );
+        if (false !== stripos($page, 'wpi')) {
+            $classes .= ' wpi-' . sanitize_key($page);
         }
 
-        if ( in_array( $page, wpinv_parse_list( 'wpi_invoice wpi_payment_form wpi_quote' ) ) ) {
+        if (in_array($page, wpinv_parse_list('wpi_invoice wpi_payment_form wpi_quote'))) {
             $classes .= ' wpinv-cpt wpinv';
         }
 
-		if ( $pagenow == 'post.php' && $page == 'wpi_item' && ! empty( $post ) && ! wpinv_item_is_editable( $post ) ) {
+		if ($pagenow == 'post.php' && $page == 'wpi_item' && !empty($post) && !wpinv_item_is_editable($post)) {
 			$classes .= ' wpi-editable-n';
 		}
 
@@ -225,19 +225,19 @@ 
     /**
 	 * Maybe show the AyeCode Connect Notice.
 	 */
-	public function init_ayecode_connect_helper(){
+	public function init_ayecode_connect_helper() {
 
         new AyeCode_Connect_Helper(
             array(
-				'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-				'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-				'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-				'connect_button'    => __("Connect Site","invoicing"),
-				'connecting_button'    => __("Connecting...","invoicing"),
-				'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-				'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+				'connect_title' => __("WP Invoicing - an AyeCode product!", "invoicing"),
+				'connect_external'  => __("Please confirm you wish to connect your site?", "invoicing"),
+				'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s", "invoicing"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+				'connect_button'    => __("Connect Site", "invoicing"),
+				'connecting_button'    => __("Connecting...", "invoicing"),
+				'error_localhost'   => __("This service will only work with a live domain, not a localhost.", "invoicing"),
+				'error'             => __("Something went wrong, please refresh and try again.", "invoicing"),
             ),
-            array( 'wpi-addons' )
+            array('wpi-addons')
         );
 
     }
@@ -248,19 +248,19 @@ 
     public function activation_redirect() {
 
 		// Bail if no activation redirect.
-		if ( ! get_transient( '_wpinv_activation_redirect' ) || wp_doing_ajax() ) {
+		if (!get_transient('_wpinv_activation_redirect') || wp_doing_ajax()) {
 			return;
 		}
 
 		// Delete the redirect transient.
-		delete_transient( '_wpinv_activation_redirect' );
+		delete_transient('_wpinv_activation_redirect');
 
 		// Bail if activating from network, or bulk
-		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+		if (is_network_admin() || isset($_GET['activate-multi'])) {
 			return;
 		}
 
-		wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
+		wp_safe_redirect(admin_url('admin.php?page=wpinv-settings&tab=general'));
 		exit;
     }
 
@@ -269,9 +269,9 @@ 
      */
     public function maybe_do_admin_action() {
 
-        if ( wpinv_current_user_can_manage_invoicing() && isset( $_REQUEST['getpaid-admin-action'] ) && isset( $_REQUEST['getpaid-nonce'] ) && wp_verify_nonce( $_REQUEST['getpaid-nonce'], 'getpaid-nonce' ) ) {
-            $key = sanitize_key( $_REQUEST['getpaid-admin-action'] );
-            do_action( "getpaid_authenticated_admin_action_$key", $_REQUEST );
+        if (wpinv_current_user_can_manage_invoicing() && isset($_REQUEST['getpaid-admin-action']) && isset($_REQUEST['getpaid-nonce']) && wp_verify_nonce($_REQUEST['getpaid-nonce'], 'getpaid-nonce')) {
+            $key = sanitize_key($_REQUEST['getpaid-admin-action']);
+            do_action("getpaid_authenticated_admin_action_$key", $_REQUEST);
         }
 
     }
@@ -281,16 +281,16 @@ 
 	 * 
 	 * @param array $args
      */
-    public function send_customer_invoice( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ) );
+    public function send_customer_invoice($args) {
+		$sent = getpaid()->get('invoice_emails')->user_invoice(new WPInv_Invoice($args['invoice_id']));
 
-		if ( $sent ) {
-			$this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
+		if ($sent) {
+			$this->show_success(__('Invoice was successfully sent to the customer', 'invoicing'));
 		} else {
-			$this->show_error( __( 'Could not sent the invoice to the customer', 'invoicing' ) );
+			$this->show_error(__('Could not sent the invoice to the customer', 'invoicing'));
 		}
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce', 'invoice_id')));
 		exit;
 	}
 
@@ -299,16 +299,16 @@ 
 	 * 
 	 * @param array $args
      */
-    public function send_customer_payment_reminder( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
+    public function send_customer_payment_reminder($args) {
+		$sent = getpaid()->get('invoice_emails')->force_send_overdue_notice(new WPInv_Invoice($args['invoice_id']));
 
-		if ( $sent ) {
-			$this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
+		if ($sent) {
+			$this->show_success(__('Payment reminder was successfully sent to the customer', 'invoicing'));
 		} else {
-			$this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
+			$this->show_error(__('Could not sent payment reminder to the customer', 'invoicing'));
 		}
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce', 'invoice_id')));
 		exit;
 	}
 
@@ -319,8 +319,8 @@ 
      * @return array
 	 */
 	public function get_notices() {
-		$notices = get_option( 'wpinv_admin_notices' );
-        return is_array( $notices ) ? $notices : array();
+		$notices = get_option('wpinv_admin_notices');
+        return is_array($notices) ? $notices : array();
 	}
 
 	/**
@@ -330,7 +330,7 @@ 
 	 * @since       1.0.19
 	 */
 	public function clear_notices() {
-		delete_option( 'wpinv_admin_notices' );
+		delete_option('wpinv_admin_notices');
 	}
 
 	/**
@@ -339,16 +339,16 @@ 
 	 * @access      public
 	 * @since       1.0.19
 	 */
-	public function save_notice( $type, $message ) {
+	public function save_notice($type, $message) {
 		$notices = $this->get_notices();
 
-		if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
-			$notices[ $type ] = array();
+		if (empty($notices[$type]) || !is_array($notices[$type])) {
+			$notices[$type] = array();
 		}
 
-		$notices[ $type ][] = $message;
+		$notices[$type][] = $message;
 
-		update_option( 'wpinv_admin_notices', $notices );
+		update_option('wpinv_admin_notices', $notices);
 	}
 
 	/**
@@ -358,8 +358,8 @@ 
 	 * @access      public
 	 * @since       1.0.19
 	 */
-	public function show_success( $msg ) {
-		$this->save_notice( 'success', $msg );
+	public function show_success($msg) {
+		$this->save_notice('success', $msg);
 	}
 
 	/**
@@ -369,8 +369,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_error( $msg ) {
-		$this->save_notice( 'error', $msg );
+	public function show_error($msg) {
+		$this->save_notice('error', $msg);
 	}
 
 	/**
@@ -380,8 +380,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_warning( $msg ) {
-		$this->save_notice( 'warning', $msg );
+	public function show_warning($msg) {
+		$this->save_notice('warning', $msg);
 	}
 
 	/**
@@ -391,8 +391,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_info( $msg ) {
-		$this->save_notice( 'info', $msg );
+	public function show_info($msg) {
+		$this->save_notice('info', $msg);
 	}
 
 	/**
@@ -406,15 +406,15 @@ 
         $notices = $this->get_notices();
         $this->clear_notices();
 
-		foreach ( $notices as $type => $messages ) {
+		foreach ($notices as $type => $messages) {
 
-			if ( ! is_array( $messages ) ) {
+			if (!is_array($messages)) {
 				continue;
 			}
 
-            $type  = sanitize_key( $type );
-			foreach ( $messages as $message ) {
-                $message = wp_kses_post( $message );
+            $type = sanitize_key($type);
+			foreach ($messages as $message) {
+                $message = wp_kses_post($message);
 				echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
             }
 

includes/wpinv-template-functions.php

Indentation +102 added lines, -102 removed lines

@@ -140,7 +140,7 @@ 
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
 function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+    return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+    return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
 }
 
 /**
@@ -175,122 +175,122 @@ 
 }
 
 function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+    do_action( 'get_template_part_' . $slug, $slug, $name );
 
-	// Setup possible parts
-	$templates = array();
-	if ( isset( $name ) )
-		$templates[] = $slug . '-' . $name . '.php';
-	$templates[] = $slug . '.php';
+    // Setup possible parts
+    $templates = array();
+    if ( isset( $name ) )
+        $templates[] = $slug . '-' . $name . '.php';
+    $templates[] = $slug . '.php';
 
-	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+    // Allow template parts to be filtered
+    $templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
 
-	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+    // Return the part that is found
+    return wpinv_locate_tmpl( $templates, $load, false );
 }
 
 function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
-	// No file found yet
-	$located = false;
+    // No file found yet
+    $located = false;
 
-	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+    // Try to find a template file
+    foreach ( (array)$template_names as $template_name ) {
 
-		// Continue if template is empty
-		if ( empty( $template_name ) )
-			continue;
+        // Continue if template is empty
+        if ( empty( $template_name ) )
+            continue;
 
-		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+        // Trim off any slashes from the template name
+        $template_name = ltrim( $template_name, '/' );
 
-		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+        // try locating this template file by looping through the template paths
+        foreach( wpinv_get_theme_template_paths() as $template_path ) {
 
-			if( file_exists( $template_path . $template_name ) ) {
-				$located = $template_path . $template_name;
-				break;
-			}
-		}
+            if( file_exists( $template_path . $template_name ) ) {
+                $located = $template_path . $template_name;
+                break;
+            }
+        }
 
-		if( !empty( $located ) ) {
-			break;
-		}
-	}
+        if( !empty( $located ) ) {
+            break;
+        }
+    }
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+    if ( ( true == $load ) && ! empty( $located ) )
+        load_template( $located, $require_once );
 
-	return $located;
+    return $located;
 }
 
 function wpinv_get_theme_template_paths() {
-	$template_dir = wpinv_get_theme_template_dir_name();
+    $template_dir = wpinv_get_theme_template_dir_name();
 
-	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
-		100 => wpinv_get_templates_dir()
-	);
+    $file_paths = array(
+        1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
+        10 => trailingslashit( get_template_directory() ) . $template_dir,
+        100 => wpinv_get_templates_dir()
+    );
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+    $file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
 
-	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+    // sort the file paths based on priority
+    ksort( $file_paths, SORT_NUMERIC );
 
-	return array_map( 'trailingslashit', $file_paths );
+    return array_map( 'trailingslashit', $file_paths );
 }
 
 function wpinv_checkout_meta_tags() {
 
-	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+    $pages   = array();
+    $pages[] = wpinv_get_option( 'success_page' );
+    $pages[] = wpinv_get_option( 'failure_page' );
+    $pages[] = wpinv_get_option( 'invoice_history_page' );
+    $pages[] = wpinv_get_option( 'invoice_subscription_page' );
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
-		return;
-	}
+    if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+        return;
+    }
 
-	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
+    echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
 add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
 
 function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+    $classes = (array)$class;
 
-	if( wpinv_is_checkout() ) {
-		$classes[] = 'wpinv-checkout';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_checkout() ) {
+        $classes[] = 'wpinv-checkout';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_success_page() ) {
-		$classes[] = 'wpinv-success';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_success_page() ) {
+        $classes[] = 'wpinv-success';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_failed_transaction_page() ) {
-		$classes[] = 'wpinv-failed-transaction';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_failed_transaction_page() ) {
+        $classes[] = 'wpinv-failed-transaction';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_invoice_history_page() ) {
-		$classes[] = 'wpinv-history';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_invoice_history_page() ) {
+        $classes[] = 'wpinv-history';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_subscriptions_history_page() ) {
-		$classes[] = 'wpinv-subscription';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_subscriptions_history_page() ) {
+        $classes[] = 'wpinv-subscription';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_test_mode() ) {
-		$classes[] = 'wpinv-test-mode';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_test_mode() ) {
+        $classes[] = 'wpinv-test-mode';
+        $classes[] = 'wpinv-page';
+    }
 
-	return array_unique( $classes );
+    return array_unique( $classes );
 }
 add_filter( 'body_class', 'wpinv_add_body_classes' );
 
@@ -992,21 +992,21 @@ 
 
     $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
     
-	// Remove unavailable tags.
+    // Remove unavailable tags.
     $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
+    $formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
     $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+    $formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+    $formatted_address = implode( $separator, $formatted_address );
 
-	// We're done!
-	return $formatted_address;
+    // We're done!
+    return $formatted_address;
     
 }
 
@@ -1208,7 +1208,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+    return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
 }
 
 /**
@@ -1498,10 +1498,10 @@ 
 
     if ( 0 == count( $form->get_items() ) ) {
         echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
-			)
+            array(
+                'type'    => 'warning',
+                'content' => __( 'No published items found', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1517,21 +1517,21 @@ 
     $invoice = wpinv_get_invoice( $invoice_id );
 
     if ( empty( $invoice ) ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice not found', 'invoicing' ),
+            )
         );
         return;
     }
 
     if ( $invoice->is_paid() ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice has already been paid', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1594,7 +1594,7 @@ 
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
+    if ( ! empty( $items ) ) {
         $items  = esc_attr( $items );
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-item='$items'>$label</button>"; 
     }

Spacing +522 added lines, -522 removed lines

@@ -4,99 +4,99 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Displays an invoice.
  * 
  * @param WPInv_Invoice $invoice.
  */
-function getpaid_invoice( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice.php', compact( 'invoice' ) );
+function getpaid_invoice($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice', 'getpaid_invoice', 10 );
+add_action('getpaid_invoice', 'getpaid_invoice', 10);
 
 /**
  * Displays the invoice footer.
  */
-function getpaid_invoice_footer( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/footer.php', compact( 'invoice' ) );
+function getpaid_invoice_footer($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/footer.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_footer', 'getpaid_invoice_footer', 10 );
+add_action('getpaid_invoice_footer', 'getpaid_invoice_footer', 10);
 
 /**
  * Displays the invoice top bar.
  */
-function getpaid_invoice_header( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header.php', compact( 'invoice' ) );
+function getpaid_invoice_header($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header', 'getpaid_invoice_header', 10 );
+add_action('getpaid_invoice_header', 'getpaid_invoice_header', 10);
 
 /**
  * Displays actions on the left side of the header.
  */
-function getpaid_invoice_header_left_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-left-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_left_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-left-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10 );
+add_action('getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10);
 
 /**
  * Displays actions on the right side of the invoice top bar.
  */
-function getpaid_invoice_header_right_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-right-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_right_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-right-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10 );
+add_action('getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10);
 
 /**
  * Displays the invoice title, watermark, logo etc.
  */
-function getpaid_invoice_details_top( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details-top.php', compact( 'invoice' ) );
+function getpaid_invoice_details_top($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details-top.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_top', 10 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_top', 10);
 
 /**
  * Displays the company logo.
  */
-function getpaid_invoice_logo( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-logo.php', compact( 'invoice' ) );
+function getpaid_invoice_logo($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-logo.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_left', 'getpaid_invoice_logo' );
+add_action('getpaid_invoice_details_top_left', 'getpaid_invoice_logo');
 
 /**
  * Displays the type of invoice.
  */
-function getpaid_invoice_type( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-type.php', compact( 'invoice' ) );
+function getpaid_invoice_type($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-type.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_right', 'getpaid_invoice_type' );
+add_action('getpaid_invoice_details_top_right', 'getpaid_invoice_type');
 
 /**
  * Displays the invoice details.
  */
-function getpaid_invoice_details_main( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details.php', compact( 'invoice' ) );
+function getpaid_invoice_details_main($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_main', 50 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_main', 50);
 
 /**
  * Returns a path to the templates directory.
@@ -125,8 +125,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-    return getpaid_template()->display_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template($template_name, $args = array(), $template_path = '', $default_path = '') {
+    return getpaid_template()->display_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -139,8 +139,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template_html($template_name, $args = array(), $template_path = '', $default_path = '') {
+	return getpaid_template()->get_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -149,7 +149,7 @@ 
  * @return string
  */
 function wpinv_template_path() {
-    return apply_filters( 'wpinv_template_path', wpinv_get_theme_template_dir_name() );
+    return apply_filters('wpinv_template_path', wpinv_get_theme_template_dir_name());
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+	return trailingslashit(apply_filters('wpinv_templates_dir', 'invoicing'));
 }
 
 /**
@@ -170,56 +170,56 @@ 
  * @param string $template_path The template path relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_locate_template( $template_name, $template_path = '', $default_path = '' ) {
-    return getpaid_template()->locate_template( $template_name, $template_path, $default_path );
+function wpinv_locate_template($template_name, $template_path = '', $default_path = '') {
+    return getpaid_template()->locate_template($template_name, $template_path, $default_path);
 }
 
-function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+function wpinv_get_template_part($slug, $name = null, $load = true) {
+	do_action('get_template_part_' . $slug, $slug, $name);
 
 	// Setup possible parts
 	$templates = array();
-	if ( isset( $name ) )
+	if (isset($name))
 		$templates[] = $slug . '-' . $name . '.php';
 	$templates[] = $slug . '.php';
 
 	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+	$templates = apply_filters('wpinv_get_template_part', $templates, $slug, $name);
 
 	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+	return wpinv_locate_tmpl($templates, $load, false);
 }
 
-function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
+function wpinv_locate_tmpl($template_names, $load = false, $require_once = true) {
 	// No file found yet
 	$located = false;
 
 	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+	foreach ((array) $template_names as $template_name) {
 
 		// Continue if template is empty
-		if ( empty( $template_name ) )
+		if (empty($template_name))
 			continue;
 
 		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+		$template_name = ltrim($template_name, '/');
 
 		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+		foreach (wpinv_get_theme_template_paths() as $template_path) {
 
-			if( file_exists( $template_path . $template_name ) ) {
+			if (file_exists($template_path . $template_name)) {
 				$located = $template_path . $template_name;
 				break;
 			}
 		}
 
-		if( !empty( $located ) ) {
+		if (!empty($located)) {
 			break;
 		}
 	}
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+	if ((true == $load) && !empty($located))
+		load_template($located, $require_once);
 
 	return $located;
 }
@@ -228,155 +228,155 @@ 
 	$template_dir = wpinv_get_theme_template_dir_name();
 
 	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
+		1 => trailingslashit(get_stylesheet_directory()) . $template_dir,
+		10 => trailingslashit(get_template_directory()) . $template_dir,
 		100 => wpinv_get_templates_dir()
 	);
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+	$file_paths = apply_filters('wpinv_template_paths', $file_paths);
 
 	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+	ksort($file_paths, SORT_NUMERIC);
 
-	return array_map( 'trailingslashit', $file_paths );
+	return array_map('trailingslashit', $file_paths);
 }
 
 function wpinv_checkout_meta_tags() {
 
 	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+	$pages[] = wpinv_get_option('success_page');
+	$pages[] = wpinv_get_option('failure_page');
+	$pages[] = wpinv_get_option('invoice_history_page');
+	$pages[] = wpinv_get_option('invoice_subscription_page');
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+	if (!wpinv_is_checkout() && !is_page($pages)) {
 		return;
 	}
 
 	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
-add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
+add_action('wp_head', 'wpinv_checkout_meta_tags');
 
-function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+function wpinv_add_body_classes($class) {
+	$classes = (array) $class;
 
-	if( wpinv_is_checkout() ) {
+	if (wpinv_is_checkout()) {
 		$classes[] = 'wpinv-checkout';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_success_page() ) {
+	if (wpinv_is_success_page()) {
 		$classes[] = 'wpinv-success';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_failed_transaction_page() ) {
+	if (wpinv_is_failed_transaction_page()) {
 		$classes[] = 'wpinv-failed-transaction';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_invoice_history_page() ) {
+	if (wpinv_is_invoice_history_page()) {
 		$classes[] = 'wpinv-history';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_subscriptions_history_page() ) {
+	if (wpinv_is_subscriptions_history_page()) {
 		$classes[] = 'wpinv-subscription';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_test_mode() ) {
+	if (wpinv_is_test_mode()) {
 		$classes[] = 'wpinv-test-mode';
 		$classes[] = 'wpinv-page';
 	}
 
-	return array_unique( $classes );
+	return array_unique($classes);
 }
-add_filter( 'body_class', 'wpinv_add_body_classes' );
+add_filter('body_class', 'wpinv_add_body_classes');
 
-function wpinv_html_dropdown( $name = 'wpinv_discounts', $selected = 0, $status = '' ) {
-    $args = array( 'nopaging' => true );
+function wpinv_html_dropdown($name = 'wpinv_discounts', $selected = 0, $status = '') {
+    $args = array('nopaging' => true);
 
-    if ( ! empty( $status ) )
+    if (!empty($status))
         $args['post_status'] = $status;
 
-    $discounts = wpinv_get_discounts( $args );
+    $discounts = wpinv_get_discounts($args);
     $options   = array();
 
-    if ( $discounts ) {
-        foreach ( $discounts as $discount ) {
-            $options[ absint( $discount->ID ) ] = esc_html( get_the_title( $discount->ID ) );
+    if ($discounts) {
+        foreach ($discounts as $discount) {
+            $options[absint($discount->ID)] = esc_html(get_the_title($discount->ID));
         }
     } else {
-        $options[0] = __( 'No discounts found', 'invoicing' );
+        $options[0] = __('No discounts found', 'invoicing');
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false,
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_year_dropdown( $name = 'year', $selected = 0, $years_before = 5, $years_after = 0 ) {
-    $current     = date( 'Y' );
-    $start_year  = $current - absint( $years_before );
-    $end_year    = $current + absint( $years_after );
-    $selected    = empty( $selected ) ? date( 'Y' ) : $selected;
+function wpinv_html_year_dropdown($name = 'year', $selected = 0, $years_before = 5, $years_after = 0) {
+    $current     = date('Y');
+    $start_year  = $current - absint($years_before);
+    $end_year    = $current + absint($years_after);
+    $selected    = empty($selected) ? date('Y') : $selected;
     $options     = array();
 
-    while ( $start_year <= $end_year ) {
-        $options[ absint( $start_year ) ] = $start_year;
+    while ($start_year <= $end_year) {
+        $options[absint($start_year)] = $start_year;
         $start_year++;
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_month_dropdown( $name = 'month', $selected = 0 ) {
+function wpinv_html_month_dropdown($name = 'month', $selected = 0) {
 
     $options = array(
-        '1'  => __( 'January', 'invoicing' ),
-        '2'  => __( 'February', 'invoicing' ),
-        '3'  => __( 'March', 'invoicing' ),
-        '4'  => __( 'April', 'invoicing' ),
-        '5'  => __( 'May', 'invoicing' ),
-        '6'  => __( 'June', 'invoicing' ),
-        '7'  => __( 'July', 'invoicing' ),
-        '8'  => __( 'August', 'invoicing' ),
-        '9'  => __( 'September', 'invoicing' ),
-        '10' => __( 'October', 'invoicing' ),
-        '11' => __( 'November', 'invoicing' ),
-        '12' => __( 'December', 'invoicing' ),
+        '1'  => __('January', 'invoicing'),
+        '2'  => __('February', 'invoicing'),
+        '3'  => __('March', 'invoicing'),
+        '4'  => __('April', 'invoicing'),
+        '5'  => __('May', 'invoicing'),
+        '6'  => __('June', 'invoicing'),
+        '7'  => __('July', 'invoicing'),
+        '8'  => __('August', 'invoicing'),
+        '9'  => __('September', 'invoicing'),
+        '10' => __('October', 'invoicing'),
+        '11' => __('November', 'invoicing'),
+        '12' => __('December', 'invoicing'),
     );
 
     // If no month is selected, default to the current month
-    $selected = empty( $selected ) ? date( 'n' ) : $selected;
+    $selected = empty($selected) ? date('n') : $selected;
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_select( $args = array() ) {
+function wpinv_html_select($args = array()) {
     $defaults = array(
         'options'          => array(),
         'name'             => null,
@@ -385,8 +385,8 @@ 
         'selected'         => 0,
         'placeholder'      => null,
         'multiple'         => false,
-        'show_option_all'  => _x( 'All', 'all dropdown items', 'invoicing' ),
-        'show_option_none' => _x( 'None', 'no dropdown items', 'invoicing' ),
+        'show_option_all'  => _x('All', 'all dropdown items', 'invoicing'),
+        'show_option_none' => _x('None', 'no dropdown items', 'invoicing'),
         'data'             => array(),
         'onchange'         => null,
         'required'         => false,
@@ -394,74 +394,74 @@ 
         'readonly'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $data_elements = '';
-    foreach ( $args['data'] as $key => $value ) {
-        $data_elements .= ' data-' . esc_attr( $key ) . '="' . esc_attr( $value ) . '"';
+    foreach ($args['data'] as $key => $value) {
+        $data_elements .= ' data-' . esc_attr($key) . '="' . esc_attr($value) . '"';
     }
 
-    if( $args['multiple'] ) {
+    if ($args['multiple']) {
         $multiple = ' MULTIPLE';
     } else {
         $multiple = '';
     }
 
-    if( $args['placeholder'] ) {
+    if ($args['placeholder']) {
         $placeholder = $args['placeholder'];
     } else {
         $placeholder = '';
     }
     
     $options = '';
-    if( !empty( $args['onchange'] ) ) {
-        $options .= ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $options .= ' onchange="' . esc_attr($args['onchange']) . '"';
     }
     
-    if( !empty( $args['required'] ) ) {
+    if (!empty($args['required'])) {
         $options .= ' required="required"';
     }
     
-    if( !empty( $args['disabled'] ) ) {
+    if (!empty($args['disabled'])) {
         $options .= ' disabled';
     }
     
-    if( !empty( $args['readonly'] ) ) {
+    if (!empty($args['readonly'])) {
         $options .= ' readonly';
     }
 
-    $class  = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
-    $output = '<select name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim( $options ) . $data_elements . '>';
+    $class  = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
+    $output = '<select name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim($options) . $data_elements . '>';
 
-    if ( $args['show_option_all'] ) {
-        if( $args['multiple'] ) {
-            $selected = selected( true, in_array( 0, $args['selected'] ), false );
+    if ($args['show_option_all']) {
+        if ($args['multiple']) {
+            $selected = selected(true, in_array(0, $args['selected']), false);
         } else {
-            $selected = selected( $args['selected'], 0, false );
+            $selected = selected($args['selected'], 0, false);
         }
-        $output .= '<option value="all"' . $selected . '>' . esc_html( $args['show_option_all'] ) . '</option>';
+        $output .= '<option value="all"' . $selected . '>' . esc_html($args['show_option_all']) . '</option>';
     }
 
-    if ( !empty( $args['options'] ) ) {
+    if (!empty($args['options'])) {
 
-        if ( $args['show_option_none'] ) {
-            if( $args['multiple'] ) {
-                $selected = selected( true, in_array( "", $args['selected'] ), false );
+        if ($args['show_option_none']) {
+            if ($args['multiple']) {
+                $selected = selected(true, in_array("", $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'] === "", true, false );
+                $selected = selected($args['selected'] === "", true, false);
             }
-            $output .= '<option value=""' . $selected . '>' . esc_html( $args['show_option_none'] ) . '</option>';
+            $output .= '<option value=""' . $selected . '>' . esc_html($args['show_option_none']) . '</option>';
         }
 
-        foreach( $args['options'] as $key => $option ) {
+        foreach ($args['options'] as $key => $option) {
 
-            if( $args['multiple'] && is_array( $args['selected'] ) ) {
-                $selected = selected( true, (bool)in_array( $key, $args['selected'] ), false );
+            if ($args['multiple'] && is_array($args['selected'])) {
+                $selected = selected(true, (bool) in_array($key, $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'], $key, false );
+                $selected = selected($args['selected'], $key, false);
             }
 
-            $output .= '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option ) . '</option>';
+            $output .= '<option value="' . esc_attr($key) . '"' . $selected . '>' . esc_html($option) . '</option>';
         }
     }
 
@@ -470,7 +470,7 @@ 
     return $output;
 }
 
-function wpinv_item_dropdown( $args = array() ) {
+function wpinv_item_dropdown($args = array()) {
     $defaults = array(
         'name'              => 'wpi_item',
         'id'                => 'wpi_item',
@@ -478,14 +478,14 @@ 
         'multiple'          => false,
         'selected'          => 0,
         'number'            => 100,
-        'placeholder'       => __( 'Choose a item', 'invoicing' ),
-        'data'              => array( 'search-type' => 'item' ),
+        'placeholder'       => __('Choose a item', 'invoicing'),
+        'data'              => array('search-type' => 'item'),
         'show_option_all'   => false,
         'show_option_none'  => false,
         'show_recurring'    => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $item_args = array(
         'post_type'      => 'wpi_item',
@@ -494,44 +494,44 @@ 
         'posts_per_page' => $args['number']
     );
 
-    $item_args  = apply_filters( 'wpinv_item_dropdown_query_args', $item_args, $args, $defaults );
+    $item_args  = apply_filters('wpinv_item_dropdown_query_args', $item_args, $args, $defaults);
 
-    $items      = get_posts( $item_args );
+    $items      = get_posts($item_args);
     $options    = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $title = esc_html( $item->post_title );
+    if ($items) {
+        foreach ($items as $item) {
+            $title = esc_html($item->post_title);
             
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $item->ID, false );
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($item->ID, false);
             }
             
-            $options[ absint( $item->ID ) ] = $title;
+            $options[absint($item->ID)] = $title;
         }
     }
 
     // This ensures that any selected items are included in the drop down
-    if( is_array( $args['selected'] ) ) {
-        foreach( $args['selected'] as $item ) {
-            if( ! in_array( $item, $options ) ) {
-                $title = get_the_title( $item );
-                if ( !empty( $args['show_recurring'] ) ) {
-                    $title .= wpinv_get_item_suffix( $item, false );
+    if (is_array($args['selected'])) {
+        foreach ($args['selected'] as $item) {
+            if (!in_array($item, $options)) {
+                $title = get_the_title($item);
+                if (!empty($args['show_recurring'])) {
+                    $title .= wpinv_get_item_suffix($item, false);
                 }
                 $options[$item] = $title;
             }
         }
-    } elseif ( is_numeric( $args['selected'] ) && $args['selected'] !== 0 ) {
-        if ( ! in_array( $args['selected'], $options ) ) {
-            $title = get_the_title( $args['selected'] );
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $args['selected'], false );
+    } elseif (is_numeric($args['selected']) && $args['selected'] !== 0) {
+        if (!in_array($args['selected'], $options)) {
+            $title = get_the_title($args['selected']);
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($args['selected'], false);
             }
-            $options[$args['selected']] = get_the_title( $args['selected'] );
+            $options[$args['selected']] = get_the_title($args['selected']);
         }
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $args['name'],
         'selected'         => $args['selected'],
         'id'               => $args['id'],
@@ -542,7 +542,7 @@ 
         'show_option_all'  => $args['show_option_all'],
         'show_option_none' => $args['show_option_none'],
         'data'             => $args['data'],
-    ) );
+    ));
 
     return $output;
 }
@@ -562,16 +562,16 @@ 
     );
 
     $options = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $options[ $item->ID ] = esc_html( $item->post_title ) . wpinv_get_item_suffix( $item->ID, false );
+    if ($items) {
+        foreach ($items as $item) {
+            $options[$item->ID] = esc_html($item->post_title) . wpinv_get_item_suffix($item->ID, false);
         }
     }
 
     return $options;
 }
 
-function wpinv_html_checkbox( $args = array() ) {
+function wpinv_html_checkbox($args = array()) {
     $defaults = array(
         'name'     => null,
         'current'  => null,
@@ -582,17 +582,17 @@ 
         )
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if ( ! empty( $args['options']['disabled'] ) ) {
+    if (!empty($args['options']['disabled'])) {
         $options .= ' disabled="disabled"';
-    } elseif ( ! empty( $args['options']['readonly'] ) ) {
+    } elseif (!empty($args['options']['readonly'])) {
         $options .= ' readonly';
     }
 
-    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['name'] ) . '" class="' . $class . ' ' . esc_attr( $args['name'] ) . '" ' . checked( 1, $args['current'], false ) . ' />';
+    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['name']) . '" class="' . $class . ' ' . esc_attr($args['name']) . '" ' . checked(1, $args['current'], false) . ' />';
 
     return $output;
 }
@@ -600,30 +600,30 @@ 
 /**
  * Displays a hidden field.
  */
-function getpaid_hidden_field( $name, $value ) {
-    $name  = sanitize_text_field( $name );
-    $value = esc_attr( $value );
+function getpaid_hidden_field($name, $value) {
+    $name  = sanitize_text_field($name);
+    $value = esc_attr($value);
 
     echo "<input type='hidden' name='$name' value='$value' />";
 }
 
-function wpinv_html_text( $args = array() ) {
+function wpinv_html_text($args = array()) {
     // Backwards compatibility
-    if ( func_num_args() > 1 ) {
+    if (func_num_args() > 1) {
         $args = func_get_args();
 
         $name  = $args[0];
-        $value = isset( $args[1] ) ? $args[1] : '';
-        $label = isset( $args[2] ) ? $args[2] : '';
-        $desc  = isset( $args[3] ) ? $args[3] : '';
+        $value = isset($args[1]) ? $args[1] : '';
+        $label = isset($args[2]) ? $args[2] : '';
+        $desc  = isset($args[3]) ? $args[3] : '';
     }
 
     $defaults = array(
         'id'           => '',
-        'name'         => isset( $name )  ? $name  : 'text',
-        'value'        => isset( $value ) ? $value : null,
-        'label'        => isset( $label ) ? $label : null,
-        'desc'         => isset( $desc )  ? $desc  : null,
+        'name'         => isset($name) ? $name : 'text',
+        'value'        => isset($value) ? $value : null,
+        'label'        => isset($label) ? $label : null,
+        'desc'         => isset($desc) ? $desc : null,
         'placeholder'  => '',
         'class'        => 'regular-text',
         'disabled'     => false,
@@ -633,51 +633,51 @@ 
         'data'         => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if( $args['required'] ) {
+    if ($args['required']) {
         $options .= ' required="required"';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
 
     $data = '';
-    if ( !empty( $args['data'] ) ) {
-        foreach ( $args['data'] as $key => $value ) {
-            $data .= 'data-' . wpinv_sanitize_key( $key ) . '="' . esc_attr( $value ) . '" ';
+    if (!empty($args['data'])) {
+        foreach ($args['data'] as $key => $value) {
+            $data .= 'data-' . wpinv_sanitize_key($key) . '="' . esc_attr($value) . '" ';
         }
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['id'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['id']) . '">' . esc_html($args['label']) . '</label>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
 
-    $output .= '<input type="text" name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] )  . '" autocomplete="' . esc_attr( $args['autocomplete'] )  . '" value="' . esc_attr( $args['value'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" class="' . $class . '" ' . $data . ' ' . trim( $options ) . '/>';
+    $output .= '<input type="text" name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" autocomplete="' . esc_attr($args['autocomplete']) . '" value="' . esc_attr($args['value']) . '" placeholder="' . esc_attr($args['placeholder']) . '" class="' . $class . '" ' . $data . ' ' . trim($options) . '/>';
 
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_date_field( $args = array() ) {
-    if( empty( $args['class'] ) ) {
+function wpinv_html_date_field($args = array()) {
+    if (empty($args['class'])) {
         $args['class'] = 'wpiDatepicker';
-    } elseif( ! strpos( $args['class'], 'wpiDatepicker' ) ) {
+    } elseif (!strpos($args['class'], 'wpiDatepicker')) {
         $args['class'] .= ' wpiDatepicker';
     }
 
-    return wpinv_html_text( $args );
+    return wpinv_html_text($args);
 }
 
-function wpinv_html_textarea( $args = array() ) {
+function wpinv_html_textarea($args = array()) {
     $defaults = array(
         'name'        => 'textarea',
         'value'       => null,
@@ -688,31 +688,31 @@ 
         'placeholder' => '',
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $disabled = '';
-    if( $args['disabled'] ) {
+    if ($args['disabled']) {
         $disabled = ' disabled="disabled"';
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['name'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    $output .= '<textarea name="' . esc_attr( $args['name'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" id="' . wpinv_sanitize_key( $args['name'] ) . '" class="' . $class . '"' . $disabled . '>' . esc_attr( $args['value'] ) . '</textarea>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['name']) . '">' . esc_html($args['label']) . '</label>';
+    $output .= '<textarea name="' . esc_attr($args['name']) . '" placeholder="' . esc_attr($args['placeholder']) . '" id="' . wpinv_sanitize_key($args['name']) . '" class="' . $class . '"' . $disabled . '>' . esc_attr($args['value']) . '</textarea>';
 
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_ajax_user_search( $args = array() ) {
+function wpinv_html_ajax_user_search($args = array()) {
     $defaults = array(
         'name'        => 'user_id',
         'value'       => null,
-        'placeholder' => __( 'Enter username', 'invoicing' ),
+        'placeholder' => __('Enter username', 'invoicing'),
         'label'       => null,
         'desc'        => null,
         'class'       => '',
@@ -721,13 +721,13 @@ 
         'data'        => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $args['class'] = 'wpinv-ajax-user-search ' . $args['class'];
 
     $output  = '<span class="wpinv_user_search_wrap">';
-        $output .= wpinv_html_text( $args );
-        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __( 'Cancel', 'invoicing' ) . '" aria-label="' . __( 'Cancel', 'invoicing' ) . '" href="#">x</a><span></span></span>';
+        $output .= wpinv_html_text($args);
+        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __('Cancel', 'invoicing') . '" aria-label="' . __('Cancel', 'invoicing') . '" href="#">x</a><span></span></span>';
     $output .= '</span>';
 
     return $output;
@@ -743,20 +743,20 @@ 
  * 
  * @param string $template the template that is currently being used.
  */
-function wpinv_template( $template ) {
+function wpinv_template($template) {
     global $post;
 
-    if ( ! is_admin() && ( is_single() || is_404() ) && ! empty( $post->ID ) && getpaid_is_invoice_post_type( get_post_type( $post->ID ) ) ) {
+    if (!is_admin() && (is_single() || is_404()) && !empty($post->ID) && getpaid_is_invoice_post_type(get_post_type($post->ID))) {
 
         // If the user can view this invoice, display it.
-        if ( wpinv_user_can_view_invoice( $post->ID ) ) {
+        if (wpinv_user_can_view_invoice($post->ID)) {
 
-            return wpinv_get_template_part( 'wpinv-invoice-print', false, false );
+            return wpinv_get_template_part('wpinv-invoice-print', false, false);
 
         // Else display an error message.
         } else {
 
-            return wpinv_get_template_part( 'wpinv-invalid-access', false, false );
+            return wpinv_get_template_part('wpinv-invalid-access', false, false);
 
         }
 
@@ -764,46 +764,46 @@ 
 
     return $template;
 }
-add_filter( 'template_include', 'wpinv_template', 10, 1 );
+add_filter('template_include', 'wpinv_template', 10, 1);
 
 function wpinv_get_business_address() {
     $business_address   = wpinv_store_address();
-    $business_address   = !empty( $business_address ) ? wpautop( wp_kses_post( $business_address ) ) : '';
+    $business_address   = !empty($business_address) ? wpautop(wp_kses_post($business_address)) : '';
     
     $business_address = $business_address ? '<div class="address">' . $business_address . '</div>' : '';
     
-    return apply_filters( 'wpinv_get_business_address', $business_address );
+    return apply_filters('wpinv_get_business_address', $business_address);
 }
 
 /**
  * Displays the company address.
  */
 function wpinv_display_from_address() {
-    wpinv_get_template( 'invoice/company-address.php' );
+    wpinv_get_template('invoice/company-address.php');
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_from_address', 10 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_from_address', 10);
 
-function wpinv_watermark( $id = 0 ) {
-    $output = wpinv_get_watermark( $id );
-    return apply_filters( 'wpinv_get_watermark', $output, $id );
+function wpinv_watermark($id = 0) {
+    $output = wpinv_get_watermark($id);
+    return apply_filters('wpinv_get_watermark', $output, $id);
 }
 
-function wpinv_get_watermark( $id ) {
-    if ( !$id > 0 ) {
+function wpinv_get_watermark($id) {
+    if (!$id > 0) {
         return NULL;
     }
 
-    $invoice = wpinv_get_invoice( $id );
+    $invoice = wpinv_get_invoice($id);
     
-    if ( !empty( $invoice ) && "wpi_invoice" === $invoice->post_type ) {
-        if ( $invoice->is_paid() ) {
-            return __( 'Paid', 'invoicing' );
+    if (!empty($invoice) && "wpi_invoice" === $invoice->post_type) {
+        if ($invoice->is_paid()) {
+            return __('Paid', 'invoicing');
         }
-        if ( $invoice->is_refunded() ) {
-            return __( 'Refunded', 'invoicing' );
+        if ($invoice->is_refunded()) {
+            return __('Refunded', 'invoicing');
         }
-        if ( $invoice->has_status( array( 'wpi-cancelled' ) ) ) {
-            return __( 'Cancelled', 'invoicing' );
+        if ($invoice->has_status(array('wpi-cancelled'))) {
+            return __('Cancelled', 'invoicing');
         }
     }
     
@@ -813,140 +813,140 @@ 
 /**
  * @deprecated
  */
-function wpinv_display_invoice_details( $invoice ) {
-    return getpaid_invoice_meta( $invoice );
+function wpinv_display_invoice_details($invoice) {
+    return getpaid_invoice_meta($invoice);
 }
 
 /**
  * Displays invoice meta.
  */
-function getpaid_invoice_meta( $invoice ) {
+function getpaid_invoice_meta($invoice) {
 
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Ensure that we have an invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Load the invoice meta.
-    $meta    = array(
+    $meta = array(
 
         'number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Number', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => sanitize_text_field( $invoice->get_number() ),
+            'value' => sanitize_text_field($invoice->get_number()),
         ),
 
         'status' => array(
             'label' => sprintf(
-                __( '%s Status', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Status', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
             'value' => $invoice->get_status_label_html(),
         ),
 
         'date' => array(
             'label' => sprintf(
-                __( '%s Date', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Date', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => getpaid_format_date( $invoice->get_created_date() ),
+            'value' => getpaid_format_date($invoice->get_created_date()),
         ),
 
         'date_paid' => array(
-            'label' => __( 'Paid On', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_completed_date() ),
+            'label' => __('Paid On', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_completed_date()),
         ),
 
         'gateway'   => array(
-            'label' => __( 'Payment Method', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_gateway_title() ),
+            'label' => __('Payment Method', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_gateway_title()),
         ),
 
         'transaction_id' => array(
-            'label' => __( 'Transaction ID', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_transaction_id() ),
+            'label' => __('Transaction ID', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_transaction_id()),
         ),
 
         'due_date'  => array(
-            'label' => __( 'Due Date', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_due_date() ),
+            'label' => __('Due Date', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_due_date()),
         ),
 
         'vat_number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
+                __('%s Number', 'invoicing'),
                 getpaid_tax()->get_vat_name()
             ),
-            'value' => sanitize_text_field( $invoice->get_vat_number() ),
+            'value' => sanitize_text_field($invoice->get_vat_number()),
         ),
 
     );
 
     // If it is not paid, remove the date of payment.
-    if ( ! $invoice->is_paid() ) {
-        unset( $meta[ 'date_paid' ] );
-        unset( $meta[ 'transaction_id' ] );
+    if (!$invoice->is_paid()) {
+        unset($meta['date_paid']);
+        unset($meta['transaction_id']);
     }
 
-    if ( ! $invoice->is_paid() || 'none' == $invoice->get_gateway() ) {
-        unset( $meta[ 'gateway' ] );
+    if (!$invoice->is_paid() || 'none' == $invoice->get_gateway()) {
+        unset($meta['gateway']);
     }
 
     // Only display the due date if due dates are enabled.
-    if ( ! $invoice->needs_payment() || ! wpinv_get_option( 'overdue_active' ) ) {
-        unset( $meta[ 'due_date' ] );
+    if (!$invoice->needs_payment() || !wpinv_get_option('overdue_active')) {
+        unset($meta['due_date']);
     }
 
     // Only display the vat number if taxes are enabled.
-    if ( ! wpinv_use_taxes() ) {
-        unset( $meta[ 'vat_number' ] );
+    if (!wpinv_use_taxes()) {
+        unset($meta['vat_number']);
     }
 
-    if ( $invoice->is_recurring() ) {
+    if ($invoice->is_recurring()) {
 
         // Link to the parent invoice.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
 
-            $meta[ 'parent' ] = array(
+            $meta['parent'] = array(
 
                 'label' => sprintf(
-                    __( 'Parent %s', 'invoicing' ),
-                    ucfirst( $invoice->get_type() )
+                    __('Parent %s', 'invoicing'),
+                    ucfirst($invoice->get_type())
                 ),
 
-                'value' => wpinv_invoice_link( $invoice->get_parent_id() ),
+                'value' => wpinv_invoice_link($invoice->get_parent_id()),
 
             );
 
         }
 
-        $subscription = wpinv_get_subscription( $invoice );
+        $subscription = wpinv_get_subscription($invoice);
 
-        if ( ! empty ( $subscription ) ) {
+        if (!empty ($subscription)) {
 
             // Display the renewal date.
-            if ( $subscription->is_active() && 'cancelled' != $subscription->status ) {
+            if ($subscription->is_active() && 'cancelled' != $subscription->status) {
 
-                $meta[ 'renewal_date' ] = array(
+                $meta['renewal_date'] = array(
 
-                    'label' => __( 'Renews On', 'invoicing' ),
-                    'value' => getpaid_format_date( $subscription->expiration ),
+                    'label' => __('Renews On', 'invoicing'),
+                    'value' => getpaid_format_date($subscription->expiration),
         
                 );
 
             }
 
-            if ( $invoice->is_parent() ) {
+            if ($invoice->is_parent()) {
 
                 // Display the recurring amount.
-                $meta[ 'recurring_total' ] = array(
+                $meta['recurring_total'] = array(
 
-                    'label' => __( 'Recurring Amount', 'invoicing' ),
-                    'value' => wpinv_price( wpinv_format_amount( $subscription->recurring_amount ), $invoice->get_currency() ),
+                    'label' => __('Recurring Amount', 'invoicing'),
+                    'value' => wpinv_price(wpinv_format_amount($subscription->recurring_amount), $invoice->get_currency()),
         
                 );
 
@@ -956,20 +956,20 @@ 
     }
 
     // Add the invoice total to the meta.
-    $meta[ 'invoice_total' ] = array(
+    $meta['invoice_total'] = array(
 
-        'label' => __( 'Total Amount', 'invoicing' ),
-        'value' => wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() ),
+        'label' => __('Total Amount', 'invoicing'),
+        'value' => wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency()),
 
     );
 
     // Provide a way for third party plugins to filter the meta.
-    $meta = apply_filters( 'getpaid_invoice_meta_data', $meta, $invoice );
+    $meta = apply_filters('getpaid_invoice_meta_data', $meta, $invoice);
 
-    wpinv_get_template( 'invoice/invoice-meta.php', compact( 'invoice', 'meta' ) );
+    wpinv_get_template('invoice/invoice-meta.php', compact('invoice', 'meta'));
 
 }
-add_action( 'getpaid_invoice_details_right', 'getpaid_invoice_meta', 10 );
+add_action('getpaid_invoice_details_right', 'getpaid_invoice_meta', 10);
 
 /**
  * Retrieves the address markup to use on Invoices.
@@ -981,29 +981,29 @@ 
  * @param  string $separator How to separate address lines.
  * @return string
  */
-function wpinv_get_invoice_address_markup( $billing_details, $separator = '<br/>' ) {
+function wpinv_get_invoice_address_markup($billing_details, $separator = '<br/>') {
 
     // Retrieve the address markup...
-    $country= empty( $billing_details['country'] ) ? '' : $billing_details['country'];
-    $format = wpinv_get_full_address_format( $country );
+    $country = empty($billing_details['country']) ? '' : $billing_details['country'];
+    $format = wpinv_get_full_address_format($country);
 
     // ... and the replacements.
-    $replacements = wpinv_get_invoice_address_replacements( $billing_details );
+    $replacements = wpinv_get_invoice_address_replacements($billing_details);
 
-    $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
+    $formatted_address = str_ireplace(array_keys($replacements), $replacements, $format);
     
 	// Remove unavailable tags.
-    $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
+    $formatted_address = preg_replace("/\{\{\w+\}\}/", '', $formatted_address);
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
-    $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
+	$formatted_address = preg_replace('/  +/', ' ', trim($formatted_address));
+    $formatted_address = preg_replace('/\n\n+/', "\n", $formatted_address);
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+	$formatted_address = array_filter(array_map('wpinv_trim_formatted_address_line', explode("\n", $formatted_address)));
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+	$formatted_address = implode($separator, $formatted_address);
 
 	// We're done!
 	return $formatted_address;
@@ -1015,88 +1015,88 @@ 
  * 
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_to_address( $invoice = 0 ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/billing-address.php', compact( 'invoice' ) );
+function wpinv_display_to_address($invoice = 0) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/billing-address.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_to_address', 40 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_to_address', 40);
 
 
 /**
  * Displays invoice line items.
  */
-function wpinv_display_line_items( $invoice_id = 0 ) {
+function wpinv_display_line_items($invoice_id = 0) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Line item columns.
-    $columns = getpaid_invoice_item_columns( $invoice );
-    $columns = apply_filters( 'getpaid_invoice_line_items_table_columns', $columns, $invoice );
+    $columns = getpaid_invoice_item_columns($invoice);
+    $columns = apply_filters('getpaid_invoice_line_items_table_columns', $columns, $invoice);
 
-    wpinv_get_template( 'invoice/line-items.php', compact( 'invoice', 'columns' ) );
+    wpinv_get_template('invoice/line-items.php', compact('invoice', 'columns'));
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_line_items', 10 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_line_items', 10);
 
 /**
  * Displays invoice notices on invoices.
  */
 function wpinv_display_invoice_notice() {
 
-    $label  = wpinv_get_option( 'vat_invoice_notice_label' );
-    $notice = wpinv_get_option( 'vat_invoice_notice' );
+    $label  = wpinv_get_option('vat_invoice_notice_label');
+    $notice = wpinv_get_option('vat_invoice_notice');
 
-    if ( empty( $label ) && empty( $notice ) ) {
+    if (empty($label) && empty($notice)) {
         return;
     }
 
     echo '<div class="mt-4 mb-4 wpinv-vat-notice">';
 
-    if ( ! empty( $label ) ) {
-        $label = sanitize_text_field( $label );
+    if (!empty($label)) {
+        $label = sanitize_text_field($label);
         echo "<h5>$label</h5>";
     }
 
-    if ( ! empty( $notice ) ) {
-        echo '<small class="form-text text-muted">' . wpautop( wptexturize( $notice ) ) . '</small>';
+    if (!empty($notice)) {
+        echo '<small class="form-text text-muted">' . wpautop(wptexturize($notice)) . '</small>';
     }
 
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100);
 
 /**
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_invoice_notes( $invoice ) {
+function wpinv_display_invoice_notes($invoice) {
 
     // Retrieve the notes.
-    $notes = wpinv_get_invoice_notes( $invoice->get_id(), 'customer' );
+    $notes = wpinv_get_invoice_notes($invoice->get_id(), 'customer');
 
     // Abort if we have non.
-    if ( empty( $notes ) ) {
+    if (empty($notes)) {
         return;
     }
 
     // Echo the note.
     echo '<div class="getpaid-invoice-notes-wrapper border position-relative w-100 mb-4 p-0">';
-    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __( 'Notes', 'invoicing' ) .'</h3>';
+    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __('Notes', 'invoicing') . '</h3>';
     echo '<ul class="getpaid-invoice-notes mt-4 p-0">';
 
-    foreach( $notes as $note ) {
-        wpinv_get_invoice_note_line_item( $note );
+    foreach ($notes as $note) {
+        wpinv_get_invoice_note_line_item($note);
     }
 
     echo '</ul>';
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60);
 
 /**
  * Loads scripts on our invoice templates.
@@ -1104,32 +1104,32 @@ 
 function wpinv_display_style() {
 
     // Make sure that all scripts have been loaded.
-    if ( ! did_action( 'wp_enqueue_scripts' ) ) {
-        do_action( 'wp_enqueue_scripts' );
+    if (!did_action('wp_enqueue_scripts')) {
+        do_action('wp_enqueue_scripts');
     }
 
     // Register the invoices style.
-    wp_register_style( 'wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice.css' ) );
+    wp_register_style('wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice.css'));
 
     // Load required styles
-    wp_print_styles( 'open-sans' );
-    wp_print_styles( 'wpinv-single-style' );
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('open-sans');
+    wp_print_styles('wpinv-single-style');
+    wp_print_styles('ayecode-ui');
 
     // Maybe load custom css.
-    $custom_css = wpinv_get_option( 'template_custom_css' );
+    $custom_css = wpinv_get_option('template_custom_css');
 
-    if ( isset( $custom_css ) && ! empty( $custom_css ) ) {
-        $custom_css     = wp_kses( $custom_css, array( '\'', '\"' ) );
-        $custom_css     = str_replace( '&gt;', '>', $custom_css );
+    if (isset($custom_css) && !empty($custom_css)) {
+        $custom_css     = wp_kses($custom_css, array('\'', '\"'));
+        $custom_css     = str_replace('&gt;', '>', $custom_css);
         echo '<style type="text/css">';
         echo $custom_css;
         echo '</style>';
     }
 
 }
-add_action( 'wpinv_invoice_print_head', 'wpinv_display_style' );
-add_action( 'wpinv_invalid_invoice_head', 'wpinv_display_style' );
+add_action('wpinv_invoice_print_head', 'wpinv_display_style');
+add_action('wpinv_invalid_invoice_head', 'wpinv_display_style');
 
 
 /**
@@ -1141,41 +1141,41 @@ 
     // Retrieve the current invoice.
     $invoice_id = getpaid_get_current_invoice_id();
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Invalid invoice', 'invoicing' ),
+                'content' => __('Invalid invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_user_can_view_invoice( $invoice_id ) ) {
+    if (!wpinv_user_can_view_invoice($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this invoice', 'invoicing' ),
+                'content' => __('You are not allowed to view this invoice', 'invoicing'),
             )
         );
 
     }
 
     // Ensure that it is not yet paid for.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Maybe mark it as viewed.
-    getpaid_maybe_mark_invoice_as_viewed( $invoice );
+    getpaid_maybe_mark_invoice_as_viewed($invoice);
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 
         return aui()->alert(
             array(
                 'type'    => 'success',
-                'content' => __( 'This invoice has already been paid.', 'invoicing' ),
+                'content' => __('This invoice has already been paid.', 'invoicing'),
             )
         );
 
@@ -1185,14 +1185,14 @@ 
     $wpi_checkout_id = $invoice_id;
 
     // We'll display this invoice via the default form.
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
 
-    if ( 0 == $form->get_id() ) {
+    if (0 == $form->get_id()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Error loading the payment form', 'invoicing' ),
+                'content' => __('Error loading the payment form', 'invoicing'),
             )
         );
 
@@ -1200,7 +1200,7 @@ 
 
     // Set the invoice.
     $form->invoice = $invoice;
-    $form->set_items( $invoice->get_items() );
+    $form->set_items($invoice->get_items());
 
     // Generate the html.
     return $form->get_html();
@@ -1208,7 +1208,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+	return apply_filters('wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __('Your cart is empty.', 'invoicing') . '</span>');
 }
 
 /**
@@ -1225,38 +1225,38 @@ 
         )
     );
 }
-add_action( 'wpinv_cart_empty', 'wpinv_empty_checkout_cart' );
+add_action('wpinv_cart_empty', 'wpinv_empty_checkout_cart');
 
-function wpinv_receipt_billing_address( $invoice_id = 0 ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_receipt_billing_address($invoice_id = 0) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
     $billing_details = $invoice->get_user_info();
-    $address_row = wpinv_get_invoice_address_markup( $billing_details );
+    $address_row = wpinv_get_invoice_address_markup($billing_details);
 
     ob_start();
     ?>
     <table class="table table-bordered table-sm wpi-billing-details">
         <tbody>
             <tr class="wpi-receipt-name">
-                <th class="text-left"><?php _e( 'Name', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( trim( $billing_details['first_name'] . ' ' . $billing_details['last_name'] ) ) ;?></td>
+                <th class="text-left"><?php _e('Name', 'invoicing'); ?></th>
+                <td><?php echo esc_html(trim($billing_details['first_name'] . ' ' . $billing_details['last_name'])); ?></td>
             </tr>
             <tr class="wpi-receipt-email">
-                <th class="text-left"><?php _e( 'Email', 'invoicing' ); ?></th>
-                <td><?php echo $billing_details['email'] ;?></td>
+                <th class="text-left"><?php _e('Email', 'invoicing'); ?></th>
+                <td><?php echo $billing_details['email']; ?></td>
             </tr>
             <tr class="wpi-receipt-address">
-                <th class="text-left"><?php _e( 'Address', 'invoicing' ); ?></th>
-                <td><?php echo $address_row ;?></td>
+                <th class="text-left"><?php _e('Address', 'invoicing'); ?></th>
+                <td><?php echo $address_row; ?></td>
             </tr>
-            <?php if ( $billing_details['phone'] ) { ?>
+            <?php if ($billing_details['phone']) { ?>
             <tr class="wpi-receipt-phone">
-                <th class="text-left"><?php _e( 'Phone', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $billing_details['phone'] ) ;?></td>
+                <th class="text-left"><?php _e('Phone', 'invoicing'); ?></th>
+                <td><?php echo esc_html($billing_details['phone']); ?></td>
             </tr>
             <?php } ?>
         </tbody>
@@ -1264,7 +1264,7 @@ 
     <?php
     $output = ob_get_clean();
     
-    $output = apply_filters( 'wpinv_receipt_billing_address', $output, $invoice_id );
+    $output = apply_filters('wpinv_receipt_billing_address', $output, $invoice_id);
 
     echo $output;
 }
@@ -1272,88 +1272,88 @@ 
 /**
  * Filters the receipt page.
  */
-function wpinv_filter_success_page_content( $content ) {
+function wpinv_filter_success_page_content($content) {
 
     // Ensure this is our page.
-    if ( isset( $_GET['payment-confirm'] ) && wpinv_is_success_page() ) {
+    if (isset($_GET['payment-confirm']) && wpinv_is_success_page()) {
 
-        $gateway = sanitize_text_field( $_GET['payment-confirm'] );
-        return apply_filters( "wpinv_payment_confirm_$gateway", $content );
+        $gateway = sanitize_text_field($_GET['payment-confirm']);
+        return apply_filters("wpinv_payment_confirm_$gateway", $content);
 
     }
 
     return $content;
 }
-add_filter( 'the_content', 'wpinv_filter_success_page_content', 99999 );
+add_filter('the_content', 'wpinv_filter_success_page_content', 99999);
 
-function wpinv_invoice_link( $invoice_id ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_invoice_link($invoice_id) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
-    $invoice_link = '<a href="' . esc_url( $invoice->get_view_url() ) . '">' . $invoice->get_number() . '</a>';
+    $invoice_link = '<a href="' . esc_url($invoice->get_view_url()) . '">' . $invoice->get_number() . '</a>';
 
-    return apply_filters( 'wpinv_get_invoice_link', $invoice_link, $invoice );
+    return apply_filters('wpinv_get_invoice_link', $invoice_link, $invoice);
 }
 
-function wpinv_cart_total_label( $label, $invoice ) {
-    if ( empty( $invoice ) ) {
+function wpinv_cart_total_label($label, $invoice) {
+    if (empty($invoice)) {
         return $label;
     }
 
     $prefix_label = '';
-    if ( $invoice->is_parent() && $item_id = $invoice->get_recurring() ) {
-        $prefix_label   = '<span class="label label-primary label-recurring">' . __( 'Recurring Payment', 'invoicing' ) . '</span> ' . wpinv_subscription_payment_desc( $invoice );
-    } else if ( $invoice->is_renewal() ) {
-        $prefix_label   = '<span class="label label-primary label-renewal">' . __( 'Renewal Payment', 'invoicing' ) . '</span> ';        
+    if ($invoice->is_parent() && $item_id = $invoice->get_recurring()) {
+        $prefix_label   = '<span class="label label-primary label-recurring">' . __('Recurring Payment', 'invoicing') . '</span> ' . wpinv_subscription_payment_desc($invoice);
+    } else if ($invoice->is_renewal()) {
+        $prefix_label   = '<span class="label label-primary label-renewal">' . __('Renewal Payment', 'invoicing') . '</span> ';        
     }
 
-    if ( $prefix_label != '' ) {
-        $label  = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
+    if ($prefix_label != '') {
+        $label = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
     }
 
     return $label;
 }
-add_filter( 'wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
+add_filter('wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2);
 
-function wpinv_get_invoice_note_line_item( $note, $echo = true ) {
-    if ( empty( $note ) ) {
+function wpinv_get_invoice_note_line_item($note, $echo = true) {
+    if (empty($note)) {
         return NULL;
     }
 
-    if ( is_int( $note ) ) {
-        $note = get_comment( $note );
+    if (is_int($note)) {
+        $note = get_comment($note);
     }
 
-    if ( !( is_object( $note ) && is_a( $note, 'WP_Comment' ) ) ) {
+    if (!(is_object($note) && is_a($note, 'WP_Comment'))) {
         return NULL;
     }
 
-    $note_classes   = array( 'note' );
-    $note_classes[] = get_comment_meta( $note->comment_ID, '_wpi_customer_note', true ) ? 'customer-note' : '';
+    $note_classes   = array('note');
+    $note_classes[] = get_comment_meta($note->comment_ID, '_wpi_customer_note', true) ? 'customer-note' : '';
     $note_classes[] = $note->comment_author === 'System' ? 'system-note' : '';
-    $note_classes   = apply_filters( 'wpinv_invoice_note_class', array_filter( $note_classes ), $note );
-    $note_classes   = !empty( $note_classes ) ? implode( ' ', $note_classes ) : '';
+    $note_classes   = apply_filters('wpinv_invoice_note_class', array_filter($note_classes), $note);
+    $note_classes   = !empty($note_classes) ? implode(' ', $note_classes) : '';
 
     ob_start();
     ?>
-    <li rel="<?php echo absint( $note->comment_ID ) ; ?>" class="<?php echo esc_attr( $note_classes ); ?> mt-4 pl-3 pr-3">
+    <li rel="<?php echo absint($note->comment_ID); ?>" class="<?php echo esc_attr($note_classes); ?> mt-4 pl-3 pr-3">
         <div class="note_content bg-light border position-relative p-4">
 
-            <?php echo wpautop( wptexturize( wp_kses_post( $note->comment_content ) ) ); ?>
+            <?php echo wpautop(wptexturize(wp_kses_post($note->comment_content))); ?>
 
-            <?php if ( ! is_admin() ) : ?>
+            <?php if (!is_admin()) : ?>
                 <em class="meta position-absolute form-text">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </em>
@@ -1361,21 +1361,21 @@ 
 
         </div>
 
-        <?php if ( is_admin() ) : ?>
+        <?php if (is_admin()) : ?>
 
             <p class="meta px-4 py-2">
-                <abbr class="exact-date" title="<?php echo esc_attr( $note->comment_date ); ?>">
+                <abbr class="exact-date" title="<?php echo esc_attr($note->comment_date); ?>">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </abbr>&nbsp;&nbsp;
-                <?php if ( $note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing() ) { ?>
-                    <a href="#" class="delete_note"><?php _e( 'Delete note', 'invoicing' ); ?></a>
+                <?php if ($note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing()) { ?>
+                    <a href="#" class="delete_note"><?php _e('Delete note', 'invoicing'); ?></a>
                 <?php } ?>
             </p>
 
@@ -1384,9 +1384,9 @@ 
     </li>
     <?php
     $note_content = ob_get_clean();
-    $note_content = apply_filters( 'wpinv_get_invoice_note_line_item', $note_content, $note, $echo );
+    $note_content = apply_filters('wpinv_get_invoice_note_line_item', $note_content, $note, $echo);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $note_content;
     } else {
         return $note_content;
@@ -1396,36 +1396,36 @@ 
 function wpinv_invalid_invoice_content() {
     global $post;
 
-    $invoice = wpinv_get_invoice( $post->ID );
+    $invoice = wpinv_get_invoice($post->ID);
 
-    $error = __( 'This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing' );
-    if ( !empty( $invoice->get_id() ) && $invoice->has_status( array_keys( wpinv_get_invoice_statuses() ) ) ) {
-        if ( is_user_logged_in() ) {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You are not allowed to view this invoice.', 'invoicing' );
+    $error = __('This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing');
+    if (!empty($invoice->get_id()) && $invoice->has_status(array_keys(wpinv_get_invoice_statuses()))) {
+        if (is_user_logged_in()) {
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You are not allowed to view this invoice.', 'invoicing');
                 }
             }
         } else {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You must be logged in to view this invoice.', 'invoicing' );
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You must be logged in to view this invoice.', 'invoicing');
                 }
             }
         }
     } else {
-        $error = __( 'This invoice is deleted or does not exist.', 'invoicing' );
+        $error = __('This invoice is deleted or does not exist.', 'invoicing');
     }
     ?>
     <div class="row wpinv-row-invalid">
         <div class="col-md-6 col-md-offset-3 wpinv-message error">
-            <h3><?php _e( 'Access Denied', 'invoicing' ); ?></h3>
+            <h3><?php _e('Access Denied', 'invoicing'); ?></h3>
             <p class="wpinv-msg-text"><?php echo $error; ?></p>
         </div>
     </div>
     <?php
 }
-add_action( 'wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content' );
+add_action('wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content');
 
 /**
  * Function to get privacy policy text.
@@ -1434,21 +1434,21 @@ 
  * @return string
  */
 function wpinv_get_policy_text() {
-    $privacy_page_id = get_option( 'wp_page_for_privacy_policy', 0 );
+    $privacy_page_id = get_option('wp_page_for_privacy_policy', 0);
 
-    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf( __( 'Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing' ), '[wpinv_privacy_policy]' ));
+    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf(__('Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing'), '[wpinv_privacy_policy]'));
 
-    if(!$privacy_page_id){
-        $privacy_page_id = wpinv_get_option( 'privacy_page', 0 );
+    if (!$privacy_page_id) {
+        $privacy_page_id = wpinv_get_option('privacy_page', 0);
     }
 
-    $privacy_link    = $privacy_page_id ? '<a href="' . esc_url( get_permalink( $privacy_page_id ) ) . '" class="wpinv-privacy-policy-link" target="_blank">' . __( 'privacy policy', 'invoicing' ) . '</a>' : __( 'privacy policy', 'invoicing' );
+    $privacy_link = $privacy_page_id ? '<a href="' . esc_url(get_permalink($privacy_page_id)) . '" class="wpinv-privacy-policy-link" target="_blank">' . __('privacy policy', 'invoicing') . '</a>' : __('privacy policy', 'invoicing');
 
     $find_replace = array(
         '[wpinv_privacy_policy]' => $privacy_link,
     );
 
-    $privacy_text = str_replace( array_keys( $find_replace ), array_values( $find_replace ), $text );
+    $privacy_text = str_replace(array_keys($find_replace), array_values($find_replace), $text);
 
     return wp_kses_post(wpautop($privacy_text));
 }
@@ -1456,21 +1456,21 @@ 
 function wpinv_oxygen_fix_conflict() {
     global $ct_ignore_post_types;
 
-    if ( ! is_array( $ct_ignore_post_types ) ) {
+    if (!is_array($ct_ignore_post_types)) {
         $ct_ignore_post_types = array();
     }
 
-    $post_types = array( 'wpi_discount', 'wpi_invoice', 'wpi_item' );
+    $post_types = array('wpi_discount', 'wpi_invoice', 'wpi_item');
 
-    foreach ( $post_types as $post_type ) {
+    foreach ($post_types as $post_type) {
         $ct_ignore_post_types[] = $post_type;
 
         // Ignore post type
-        add_filter( 'pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999 );
+        add_filter('pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999);
     }
 
-    remove_filter( 'template_include', 'wpinv_template', 10, 1 );
-    add_filter( 'template_include', 'wpinv_template', 999, 1 );
+    remove_filter('template_include', 'wpinv_template', 10, 1);
+    add_filter('template_include', 'wpinv_template', 999, 1);
 }
 
 /**
@@ -1478,10 +1478,10 @@ 
  * 
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_display_payment_form( $form ) {
+function getpaid_display_payment_form($form) {
 
-    if ( is_numeric( $form ) ) {
-        $form = new GetPaid_Payment_Form( $form );
+    if (is_numeric($form)) {
+        $form = new GetPaid_Payment_Form($form);
     }
 
     $form->display();
@@ -1491,16 +1491,16 @@ 
 /**
  * Helper function to display a item payment form on the frontend.
  */
-function getpaid_display_item_payment_form( $items ) {
+function getpaid_display_item_payment_form($items) {
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $items );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($items);
 
-    if ( 0 == count( $form->get_items() ) ) {
+    if (0 == count($form->get_items())) {
         echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
+				'content' => __('No published items found', 'invoicing'),
 			)
         );
         return;
@@ -1512,32 +1512,32 @@ 
 /**
  * Helper function to display an invoice payment form on the frontend.
  */
-function getpaid_display_invoice_payment_form( $invoice_id ) {
+function getpaid_display_invoice_payment_form($invoice_id) {
 
-    $invoice = wpinv_get_invoice( $invoice_id );
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
+				'content' => __('Invoice not found', 'invoicing'),
 			)
         );
         return;
     }
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
+				'content' => __('Invoice has already been paid', 'invoicing'),
 			)
         );
         return;
     }
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $invoice->get_items() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($invoice->get_items());
 
     $form->display();
 }
@@ -1545,23 +1545,23 @@ 
 /**
  * Helper function to convert item string to array.
  */
-function getpaid_convert_items_to_array( $items ) {
-    $items    = array_filter( array_map( 'trim', explode( ',', $items ) ) );
+function getpaid_convert_items_to_array($items) {
+    $items    = array_filter(array_map('trim', explode(',', $items)));
     $prepared = array();
 
-    foreach ( $items as $item ) {
-        $data = array_map( 'trim', explode( '|', $item ) );
+    foreach ($items as $item) {
+        $data = array_map('trim', explode('|', $item));
 
-        if ( empty( $data[0] ) || ! is_numeric( $data[0] ) ) {
+        if (empty($data[0]) || !is_numeric($data[0])) {
             continue;
         }
 
         $quantity = 1;
-        if ( isset( $data[1] ) && is_numeric( $data[1] ) ) {
+        if (isset($data[1]) && is_numeric($data[1])) {
             $quantity = (int) $data[1];
         }
 
-        $prepared[ $data[0] ] = $quantity;
+        $prepared[$data[0]] = $quantity;
 
     }
 
@@ -1571,13 +1571,13 @@ 
 /**
  * Helper function to convert item array to string.
  */
-function getpaid_convert_items_to_string( $items ) {
+function getpaid_convert_items_to_string($items) {
     $prepared = array();
 
-    foreach ( $items as $item => $quantity ) {
+    foreach ($items as $item => $quantity) {
         $prepared[] = "$item|$quantity";
     }
-    return implode( ',', $prepared );
+    return implode(',', $prepared);
 }
 
 /**
@@ -1585,22 +1585,22 @@ 
  * 
  * Provide a label and one of $form, $items or $invoice.
  */
-function getpaid_get_payment_button( $label, $form = null, $items = null, $invoice = null ) {
-    $label = sanitize_text_field( $label );
+function getpaid_get_payment_button($label, $form = null, $items = null, $invoice = null) {
+    $label = sanitize_text_field($label);
     $nonce = wp_create_nonce('getpaid_ajax_form');
 
-    if ( ! empty( $form ) ) {
-        $form  = esc_attr( $form );
+    if (!empty($form)) {
+        $form = esc_attr($form);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
-        $items  = esc_attr( $items );
+	if (!empty($items)) {
+        $items = esc_attr($items);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-item='$items'>$label</button>"; 
     }
     
-    if ( ! empty( $invoice ) ) {
-        $invoice  = esc_attr( $invoice );
+    if (!empty($invoice)) {
+        $invoice = esc_attr($invoice);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-invoice='$invoice'>$label</button>"; 
     }
 
@@ -1611,17 +1611,17 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_the_invoice_description( $invoice ) {
+function getpaid_the_invoice_description($invoice) {
     $description = $invoice->get_description();
 
-    if ( empty( $description ) ) {
+    if (empty($description)) {
         return;
     }
 
-    $description = wp_kses_post( $description );
+    $description = wp_kses_post($description);
     echo "<small class='getpaid-invoice-description text-dark p-2 form-text'><em>$description</em></small>";
 }
-add_action( 'getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100 );
+add_action('getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100);
 
 /**
  * Render element on a form.
@@ -1629,60 +1629,60 @@ 
  * @param array $element
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_payment_form_element( $element, $form ) {
+function getpaid_payment_form_element($element, $form) {
 
     // Set up the args.
-    $element_type    = trim( $element['type'] );
+    $element_type    = trim($element['type']);
     $element['form'] = $form;
-    extract( $element );
+    extract($element);
 
     // Try to locate the appropriate template.
-    $located = wpinv_locate_template( "payment-forms/elements/$element_type.php" );
+    $located = wpinv_locate_template("payment-forms/elements/$element_type.php");
     
     // Abort if this is not our element.
-    if ( empty( $located ) || ! file_exists( $located ) ) {
+    if (empty($located) || !file_exists($located)) {
         return;
     }
 
     // Generate the class and id of the element.
-    $wrapper_class = 'getpaid-payment-form-element-' . trim( esc_attr( $element_type ) );
-    $id            = isset( $id ) ? $id : uniqid( 'gp' );
+    $wrapper_class = 'getpaid-payment-form-element-' . trim(esc_attr($element_type));
+    $id            = isset($id) ? $id : uniqid('gp');
 
     // Echo the opening wrapper.
     echo "<div class='getpaid-payment-form-element $wrapper_class'>";
 
     // Fires before displaying a given element type's content.
-    do_action( "getpaid_before_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_before_payment_form_{$element_type}_element", $element, $form);
 
     // Include the template for the element.
     include $located;
 
     // Fires after displaying a given element type's content.
-    do_action( "getpaid_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_payment_form_{$element_type}_element", $element, $form);
 
     // Echo the closing wrapper.
     echo '</div>';
 }
-add_action( 'getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2 );
+add_action('getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2);
 
 /**
  * Render an element's edit page.
  *
  * @param WP_Post $post
  */
-function getpaid_payment_form_edit_element_template( $post ) {
+function getpaid_payment_form_edit_element_template($post) {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/edit/$element.php" );
+        $element = sanitize_key($element);
+        $located = wpinv_locate_template("payment-forms-admin/edit/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1693,7 +1693,7 @@ 
     }
 
 }
-add_action( 'getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template' );
+add_action('getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template');
 
 /**
  * Render an element's preview.
@@ -1702,16 +1702,16 @@ 
 function getpaid_payment_form_render_element_preview_template() {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/previews/$element.php" );
+        $element = sanitize_key($element);
+        $located = wpinv_locate_template("payment-forms-admin/previews/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1722,7 +1722,7 @@ 
     }
 
 }
-add_action( 'wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template' );
+add_action('wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template');
 
 /**
  * Shows a list of gateways that support recurring payments.
@@ -1730,17 +1730,17 @@ 
 function wpinv_get_recurring_gateways_text() {
     $gateways = array();
 
-    foreach ( wpinv_get_payment_gateways() as $key => $gateway ) {
-        if ( wpinv_gateway_support_subscription( $key ) ) {
-            $gateways[] = sanitize_text_field( $gateway['admin_label'] );
+    foreach (wpinv_get_payment_gateways() as $key => $gateway) {
+        if (wpinv_gateway_support_subscription($key)) {
+            $gateways[] = sanitize_text_field($gateway['admin_label']);
         }
     }
 
-    if ( empty( $gateways ) ) {
-        return "<span class='form-text text-danger'>" . __( 'No active gateways support subscription payments.', 'invoicing' ) ."</span>";
+    if (empty($gateways)) {
+        return "<span class='form-text text-danger'>" . __('No active gateways support subscription payments.', 'invoicing') . "</span>";
     }
 
-    return "<span class='form-text text-muted'>" . wp_sprintf( __( 'Subscription payments only supported by: %s', 'invoicing' ), implode( ', ', $gateways ) ) ."</span>";
+    return "<span class='form-text text-muted'>" . wp_sprintf(__('Subscription payments only supported by: %s', 'invoicing'), implode(', ', $gateways)) . "</span>";
 
 }
 
@@ -1750,7 +1750,7 @@ 
  * @return GetPaid_Template
  */
 function getpaid_template() {
-    return getpaid()->get( 'template' );
+    return getpaid()->get('template');
 }
 
 /**
@@ -1759,23 +1759,23 @@ 
  * @param array args
  * @return string
  */
-function getpaid_paginate_links( $args ) {
+function getpaid_paginate_links($args) {
 
     $args['type']     = 'array';
     $args['mid_size'] = 1;
-    $pages        = paginate_links( $args );
+    $pages = paginate_links($args);
 
-    if ( ! is_array( $pages ) ) {
+    if (!is_array($pages)) {
         return '';
     }
 
     $_pages = array();
-    foreach ( $pages as $page ) {
-        $_pages[] = str_replace( 'page-numbers', 'page-link text-decoration-none', $page );
+    foreach ($pages as $page) {
+        $_pages[] = str_replace('page-numbers', 'page-link text-decoration-none', $page);
     }
 
     $links  = "<nav>\n\t<ul class='pagination justify-content-end m-0'>\n\t\t<li class='page-item'>";
-    $links .= join( "</li>\n\t\t<li class='page-item'>", $_pages );
+    $links .= join("</li>\n\t\t<li class='page-item'>", $_pages);
     $links .= "</li>\n\t</ul>\n</nav>\n";
 
     return $links;

includes/class-wpinv-ajax.php

Indentation +58 added lines, -58 removed lines

@@ -14,70 +14,70 @@ 
 class WPInv_Ajax {
 
     /**
-	 * Hook in ajax handlers.
-	 */
-	public static function init() {
-		add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
-		add_action( 'template_redirect', array( __CLASS__, 'do_wpinv_ajax' ), 0 );
-		self::add_ajax_events();
+     * Hook in ajax handlers.
+     */
+    public static function init() {
+        add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
+        add_action( 'template_redirect', array( __CLASS__, 'do_wpinv_ajax' ), 0 );
+        self::add_ajax_events();
     }
 
     /**
-	 * Set GetPaid AJAX constant and headers.
-	 */
-	public static function define_ajax() {
-
-		if ( ! empty( $_GET['wpinv-ajax'] ) ) {
-			getpaid_maybe_define_constant( 'DOING_AJAX', true );
-			getpaid_maybe_define_constant( 'WPInv_DOING_AJAX', true );
-			if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
-				/** @scrutinizer ignore-unhandled */ @ini_set( 'display_errors', 0 );
-			}
-			$GLOBALS['wpdb']->hide_errors();
-		}
+     * Set GetPaid AJAX constant and headers.
+     */
+    public static function define_ajax() {
+
+        if ( ! empty( $_GET['wpinv-ajax'] ) ) {
+            getpaid_maybe_define_constant( 'DOING_AJAX', true );
+            getpaid_maybe_define_constant( 'WPInv_DOING_AJAX', true );
+            if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
+                /** @scrutinizer ignore-unhandled */ @ini_set( 'display_errors', 0 );
+            }
+            $GLOBALS['wpdb']->hide_errors();
+        }
 
     }
     
     /**
-	 * Send headers for GetPaid Ajax Requests.
-	 *
-	 * @since 1.0.18
-	 */
-	private static function wpinv_ajax_headers() {
-		if ( ! headers_sent() ) {
-			send_origin_headers();
-			send_nosniff_header();
-			nocache_headers();
-			header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
-			header( 'X-Robots-Tag: noindex' );
-			status_header( 200 );
-		}
+     * Send headers for GetPaid Ajax Requests.
+     *
+     * @since 1.0.18
+     */
+    private static function wpinv_ajax_headers() {
+        if ( ! headers_sent() ) {
+            send_origin_headers();
+            send_nosniff_header();
+            nocache_headers();
+            header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
+            header( 'X-Robots-Tag: noindex' );
+            status_header( 200 );
+        }
     }
     
     /**
-	 * Check for GetPaid Ajax request and fire action.
-	 */
-	public static function do_wpinv_ajax() {
-		global $wp_query;
+     * Check for GetPaid Ajax request and fire action.
+     */
+    public static function do_wpinv_ajax() {
+        global $wp_query;
 
-		if ( ! empty( $_GET['wpinv-ajax'] ) ) {
-			$wp_query->set( 'wpinv-ajax', sanitize_text_field( wp_unslash( $_GET['wpinv-ajax'] ) ) );
-		}
+        if ( ! empty( $_GET['wpinv-ajax'] ) ) {
+            $wp_query->set( 'wpinv-ajax', sanitize_text_field( wp_unslash( $_GET['wpinv-ajax'] ) ) );
+        }
 
-		$action = $wp_query->get( 'wpinv-ajax' );
+        $action = $wp_query->get( 'wpinv-ajax' );
 
-		if ( $action ) {
-			self::wpinv_ajax_headers();
-			$action = sanitize_text_field( $action );
-			do_action( 'wpinv_ajax_' . $action );
-			wp_die();
-		}
+        if ( $action ) {
+            self::wpinv_ajax_headers();
+            $action = sanitize_text_field( $action );
+            do_action( 'wpinv_ajax_' . $action );
+            wp_die();
+        }
 
     }
 
     /**
-	 * Hook in ajax methods.
-	 */
+     * Hook in ajax methods.
+     */
     public static function add_ajax_events() {
 
         // array( 'event' => is_frontend )
@@ -260,24 +260,24 @@ 
         }
 
         // Is the request set up correctly?
-		if ( empty( $_GET['form'] ) && empty( $_GET['item'] ) ) {
-			echo aui()->alert(
-				array(
-					'type'    => 'warning',
-					'content' => __( 'No payment form or item provided', 'invoicing' ),
-				)
+        if ( empty( $_GET['form'] ) && empty( $_GET['item'] ) ) {
+            echo aui()->alert(
+                array(
+                    'type'    => 'warning',
+                    'content' => __( 'No payment form or item provided', 'invoicing' ),
+                )
             );
             exit;
         }
 
         // Payment form or button?
-		if ( ! empty( $_GET['form'] ) ) {
+        if ( ! empty( $_GET['form'] ) ) {
             getpaid_display_payment_form( $_GET['form'] );
-		} else if( ! empty( $_GET['invoice'] ) ) {
-		    getpaid_display_invoice_payment_form( $_GET['invoice'] );
+        } else if( ! empty( $_GET['invoice'] ) ) {
+            getpaid_display_invoice_payment_form( $_GET['invoice'] );
         } else {
-			$items = getpaid_convert_items_to_array( $_GET['item'] );
-		    getpaid_display_item_payment_form( $items );
+            $items = getpaid_convert_items_to_array( $_GET['item'] );
+            getpaid_display_item_payment_form( $items );
         }
 
         exit;

Spacing +269 added lines, -269 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * WPInv_Ajax class.
@@ -17,8 +17,8 @@ 
 	 * Hook in ajax handlers.
 	 */
 	public static function init() {
-		add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
-		add_action( 'template_redirect', array( __CLASS__, 'do_wpinv_ajax' ), 0 );
+		add_action('init', array(__CLASS__, 'define_ajax'), 0);
+		add_action('template_redirect', array(__CLASS__, 'do_wpinv_ajax'), 0);
 		self::add_ajax_events();
     }
 
@@ -27,11 +27,11 @@ 
 	 */
 	public static function define_ajax() {
 
-		if ( ! empty( $_GET['wpinv-ajax'] ) ) {
-			getpaid_maybe_define_constant( 'DOING_AJAX', true );
-			getpaid_maybe_define_constant( 'WPInv_DOING_AJAX', true );
-			if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
-				/** @scrutinizer ignore-unhandled */ @ini_set( 'display_errors', 0 );
+		if (!empty($_GET['wpinv-ajax'])) {
+			getpaid_maybe_define_constant('DOING_AJAX', true);
+			getpaid_maybe_define_constant('WPInv_DOING_AJAX', true);
+			if (!WP_DEBUG || (WP_DEBUG && !WP_DEBUG_DISPLAY)) {
+				/** @scrutinizer ignore-unhandled */ @ini_set('display_errors', 0);
 			}
 			$GLOBALS['wpdb']->hide_errors();
 		}
@@ -44,13 +44,13 @@ 
 	 * @since 1.0.18
 	 */
 	private static function wpinv_ajax_headers() {
-		if ( ! headers_sent() ) {
+		if (!headers_sent()) {
 			send_origin_headers();
 			send_nosniff_header();
 			nocache_headers();
-			header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
-			header( 'X-Robots-Tag: noindex' );
-			status_header( 200 );
+			header('Content-Type: text/html; charset=' . get_option('blog_charset'));
+			header('X-Robots-Tag: noindex');
+			status_header(200);
 		}
     }
     
@@ -60,16 +60,16 @@ 
 	public static function do_wpinv_ajax() {
 		global $wp_query;
 
-		if ( ! empty( $_GET['wpinv-ajax'] ) ) {
-			$wp_query->set( 'wpinv-ajax', sanitize_text_field( wp_unslash( $_GET['wpinv-ajax'] ) ) );
+		if (!empty($_GET['wpinv-ajax'])) {
+			$wp_query->set('wpinv-ajax', sanitize_text_field(wp_unslash($_GET['wpinv-ajax'])));
 		}
 
-		$action = $wp_query->get( 'wpinv-ajax' );
+		$action = $wp_query->get('wpinv-ajax');
 
-		if ( $action ) {
+		if ($action) {
 			self::wpinv_ajax_headers();
-			$action = sanitize_text_field( $action );
-			do_action( 'wpinv_ajax_' . $action );
+			$action = sanitize_text_field($action);
+			do_action('wpinv_ajax_' . $action);
 			wp_die();
 		}
 
@@ -103,36 +103,36 @@ 
             'ip_geolocation'              => true,
         );
 
-        foreach ( $ajax_events as $ajax_event => $nopriv ) {
-            add_action( 'wp_ajax_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
-            add_action( 'wp_ajax_getpaid_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+        foreach ($ajax_events as $ajax_event => $nopriv) {
+            add_action('wp_ajax_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
+            add_action('wp_ajax_getpaid_' . $ajax_event, array(__CLASS__, $ajax_event));
 
-            if ( $nopriv ) {
-                add_action( 'wp_ajax_nopriv_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
-                add_action( 'wp_ajax_nopriv_getpaid_' . $ajax_event, array( __CLASS__, $ajax_event ) );
-                add_action( 'wpinv_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+            if ($nopriv) {
+                add_action('wp_ajax_nopriv_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
+                add_action('wp_ajax_nopriv_getpaid_' . $ajax_event, array(__CLASS__, $ajax_event));
+                add_action('wpinv_ajax_' . $ajax_event, array(__CLASS__, $ajax_event));
             }
         }
     }
     
     public static function add_note() {
-        check_ajax_referer( 'add-invoice-note', '_nonce' );
+        check_ajax_referer('add-invoice-note', '_nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
-        $post_id   = absint( $_POST['post_id'] );
-        $note      = wp_kses_post( trim( stripslashes( $_POST['note'] ) ) );
-        $note_type = sanitize_text_field( $_POST['note_type'] );
+        $post_id   = absint($_POST['post_id']);
+        $note      = wp_kses_post(trim(stripslashes($_POST['note'])));
+        $note_type = sanitize_text_field($_POST['note_type']);
 
         $is_customer_note = $note_type == 'customer' ? 1 : 0;
 
-        if ( $post_id > 0 ) {
-            $note_id = wpinv_insert_payment_note( $post_id, $note, $is_customer_note );
+        if ($post_id > 0) {
+            $note_id = wpinv_insert_payment_note($post_id, $note, $is_customer_note);
 
-            if ( $note_id > 0 && !is_wp_error( $note_id ) ) {
-                wpinv_get_invoice_note_line_item( $note_id );
+            if ($note_id > 0 && !is_wp_error($note_id)) {
+                wpinv_get_invoice_note_line_item($note_id);
             }
         }
 
@@ -140,16 +140,16 @@ 
     }
 
     public static function delete_note() {
-        check_ajax_referer( 'delete-invoice-note', '_nonce' );
+        check_ajax_referer('delete-invoice-note', '_nonce');
 
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
-        $note_id = (int)$_POST['note_id'];
+        $note_id = (int) $_POST['note_id'];
 
-        if ( $note_id > 0 ) {
-            wp_delete_comment( $note_id, true );
+        if ($note_id > 0) {
+            wp_delete_comment($note_id, true);
         }
 
         die();
@@ -167,34 +167,34 @@ 
     public static function get_billing_details() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // Can the user manage the plugin?
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
         // Do we have a user id?
         $user_id = $_GET['user_id'];
 
-        if ( empty( $user_id ) || ! is_numeric( $user_id ) ) {
+        if (empty($user_id) || !is_numeric($user_id)) {
             die(-1);
         }
 
         // Fetch the billing details.
-        $billing_details    = wpinv_get_user_address( $user_id );
-        $billing_details    = apply_filters( 'wpinv_ajax_billing_details', $billing_details, $user_id );
+        $billing_details    = wpinv_get_user_address($user_id);
+        $billing_details    = apply_filters('wpinv_ajax_billing_details', $billing_details, $user_id);
 
         // unset the user id and email.
-        $to_ignore = array( 'user_id', 'email' );
+        $to_ignore = array('user_id', 'email');
 
-        foreach ( $to_ignore as $key ) {
-            if ( isset( $billing_details[ $key ] ) ) {
-                unset( $billing_details[ $key ] );
+        foreach ($to_ignore as $key) {
+            if (isset($billing_details[$key])) {
+                unset($billing_details[$key]);
             }
         }
 
-        wp_send_json_success( $billing_details );
+        wp_send_json_success($billing_details);
 
     }
 
@@ -204,47 +204,47 @@ 
     public static function check_new_user_email() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // Can the user manage the plugin?
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
         // We need an email address.
-        if ( empty( $_GET['email'] ) ) {
-            _e( "Provide the new user's email address", 'invoicing' );
+        if (empty($_GET['email'])) {
+            _e("Provide the new user's email address", 'invoicing');
             exit;
         }
 
         // Ensure the email is valid.
-        $email = sanitize_text_field( $_GET['email'] );
-        if ( ! is_email( $email ) ) {
-            _e( 'Invalid email address', 'invoicing' );
+        $email = sanitize_text_field($_GET['email']);
+        if (!is_email($email)) {
+            _e('Invalid email address', 'invoicing');
             exit;
         }
 
         // And it does not exist.
-        if ( email_exists( $email ) ) {
-            _e( 'A user with this email address already exists', 'invoicing' );
+        if (email_exists($email)) {
+            _e('A user with this email address already exists', 'invoicing');
             exit;
         }
 
-        wp_send_json_success( true );
+        wp_send_json_success(true);
     }
     
     public static function run_tool() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $tool = sanitize_text_field( $_POST['tool'] );
+        $tool = sanitize_text_field($_POST['tool']);
         
-        do_action( 'wpinv_run_tool' );
+        do_action('wpinv_run_tool');
         
-        if ( !empty( $tool ) ) {
-            do_action( 'wpinv_tool_' . $tool );
+        if (!empty($tool)) {
+            do_action('wpinv_tool_' . $tool);
         }
     }
 
@@ -254,30 +254,30 @@ 
     public static function get_payment_form() {
 
         // Check nonce.
-        if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( $_GET['nonce'], 'getpaid_ajax_form' ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (!isset($_GET['nonce']) || !wp_verify_nonce($_GET['nonce'], 'getpaid_ajax_form')) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
         // Is the request set up correctly?
-		if ( empty( $_GET['form'] ) && empty( $_GET['item'] ) ) {
+		if (empty($_GET['form']) && empty($_GET['item'])) {
 			echo aui()->alert(
 				array(
 					'type'    => 'warning',
-					'content' => __( 'No payment form or item provided', 'invoicing' ),
+					'content' => __('No payment form or item provided', 'invoicing'),
 				)
             );
             exit;
         }
 
         // Payment form or button?
-		if ( ! empty( $_GET['form'] ) ) {
-            getpaid_display_payment_form( $_GET['form'] );
-		} else if( ! empty( $_GET['invoice'] ) ) {
-		    getpaid_display_invoice_payment_form( $_GET['invoice'] );
+		if (!empty($_GET['form'])) {
+            getpaid_display_payment_form($_GET['form']);
+		} else if (!empty($_GET['invoice'])) {
+		    getpaid_display_invoice_payment_form($_GET['invoice']);
         } else {
-			$items = getpaid_convert_items_to_array( $_GET['item'] );
-		    getpaid_display_item_payment_form( $items );
+			$items = getpaid_convert_items_to_array($_GET['item']);
+		    getpaid_display_item_payment_form($items);
         }
 
         exit;
@@ -292,17 +292,17 @@ 
     public static function payment_form() {
 
         // Check nonce.
-        check_ajax_referer( 'getpaid_form_nonce' );
+        check_ajax_referer('getpaid_form_nonce');
 
         // ... form fields...
-        if ( empty( $_POST['getpaid_payment_form_submission'] ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (empty($_POST['getpaid_payment_form_submission'])) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
         // Process the payment form.
-        $checkout_class = apply_filters( 'getpaid_checkout_class', 'GetPaid_Checkout' );
-        $checkout       = new $checkout_class( new GetPaid_Payment_Form_Submission() );
+        $checkout_class = apply_filters('getpaid_checkout_class', 'GetPaid_Checkout');
+        $checkout       = new $checkout_class(new GetPaid_Payment_Form_Submission());
         $checkout->process_checkout();
 
         exit;
@@ -315,51 +315,51 @@ 
      */
     public static function get_payment_form_states_field() {
 
-        if ( empty( $_GET['country'] ) || empty( $_GET['form'] ) ) {
+        if (empty($_GET['country']) || empty($_GET['form'])) {
             exit;
         }
 
-        $elements = getpaid_get_payment_form_elements( $_GET['form'] );
+        $elements = getpaid_get_payment_form_elements($_GET['form']);
 
-        if ( empty( $elements ) ) {
+        if (empty($elements)) {
             exit;
         }
 
         $address_fields = array();
-        foreach ( $elements as $element ) {
-            if ( 'address' === $element['type'] ) {
+        foreach ($elements as $element) {
+            if ('address' === $element['type']) {
                 $address_fields = $element;
                 break;
             }
         }
 
-        if ( empty( $address_fields ) ) {
+        if (empty($address_fields)) {
             exit;
         }
 
-        foreach( $address_fields['fields'] as $address_field ) {
+        foreach ($address_fields['fields'] as $address_field) {
 
-            if ( 'wpinv_state' == $address_field['name'] ) {
+            if ('wpinv_state' == $address_field['name']) {
 
                 $label = $address_field['label'];
 
-                if ( ! empty( $address_field['required'] ) ) {
+                if (!empty($address_field['required'])) {
                     $label .= "<span class='text-danger'> *</span>";
                 }
 
-                $states = wpinv_get_country_states( $_GET['country'] );
+                $states = wpinv_get_country_states($_GET['country']);
 
-                if ( ! empty( $states ) ) {
+                if (!empty($states)) {
 
                     $html = aui()->select(
                             array(
                                 'options'          => $states,
-                                'name'             => esc_attr( $address_field['name'] ),
-                                'id'               => esc_attr( $address_field['name'] ),
-                                'placeholder'      => esc_attr( $address_field['placeholder'] ),
+                                'name'             => esc_attr($address_field['name']),
+                                'id'               => esc_attr($address_field['name']),
+                                'placeholder'      => esc_attr($address_field['placeholder']),
                                 'required'         => (bool) $address_field['required'],
                                 'no_wrap'          => true,
-                                'label'            => wp_kses_post( $label ),
+                                'label'            => wp_kses_post($label),
                                 'select2'          => false,
                             )
                         );
@@ -368,10 +368,10 @@ 
 
                     $html = aui()->input(
                             array(
-                                'name'       => esc_attr( $address_field['name'] ),
-                                'id'         => esc_attr( $address_field['name'] ),
+                                'name'       => esc_attr($address_field['name']),
+                                'id'         => esc_attr($address_field['name']),
                                 'required'   => (bool) $address_field['required'],
-                                'label'      => wp_kses_post( $label ),
+                                'label'      => wp_kses_post($label),
                                 'no_wrap'    => true,
                                 'type'       => 'text',
                             )
@@ -379,7 +379,7 @@ 
 
                 }
 
-                wp_send_json_success( str_replace( 'sr-only', '', $html ) );
+                wp_send_json_success(str_replace('sr-only', '', $html));
                 exit;
 
             }
@@ -395,56 +395,56 @@ 
     public static function recalculate_invoice_totals() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice.
-        if ( empty( $_POST['post_id'] ) ) {
+        if (empty($_POST['post_id'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists.
-        if ( ! $invoice->get_id() ) {
+        if (!$invoice->get_id()) {
             exit;
         }
 
         // Maybe set the country, state, currency.
-        foreach ( array( 'country', 'state', 'currency' ) as $key ) {
-            if ( isset( $_POST[ $key ] ) ) {
+        foreach (array('country', 'state', 'currency') as $key) {
+            if (isset($_POST[$key])) {
                 $method = "set_$key";
-                $invoice->$method( $_POST[ $key ] );
+                $invoice->$method($_POST[$key]);
             }
         }
 
         // Maybe disable taxes.
-        $invoice->set_disable_taxes( ! empty( $_POST['taxes'] ) );
+        $invoice->set_disable_taxes(!empty($_POST['taxes']));
 
         // Recalculate totals.
         $invoice->recalculate_total();
 
-        $total = wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() );
+        $total = wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency());
 
-        if ( $invoice->is_recurring() && $invoice->is_parent() && $invoice->get_total() != $invoice->get_recurring_total() ) {
-            $recurring_total = wpinv_price( wpinv_format_amount( $invoice->get_recurring_total() ), $invoice->get_currency() );
-            $total          .= '<small class="form-text text-muted">' . sprintf( __( 'Recurring Price: %s', 'invoicing' ), $recurring_total ) . '</small>';
+        if ($invoice->is_recurring() && $invoice->is_parent() && $invoice->get_total() != $invoice->get_recurring_total()) {
+            $recurring_total = wpinv_price(wpinv_format_amount($invoice->get_recurring_total()), $invoice->get_currency());
+            $total          .= '<small class="form-text text-muted">' . sprintf(__('Recurring Price: %s', 'invoicing'), $recurring_total) . '</small>';
         }
 
         $totals = array(
-            'subtotal' => wpinv_price( wpinv_format_amount( $invoice->get_subtotal() ), $invoice->get_currency() ),
-            'discount' => wpinv_price( wpinv_format_amount( $invoice->get_total_discount() ), $invoice->get_currency() ),
-            'tax'      => wpinv_price( wpinv_format_amount( $invoice->get_total_tax() ), $invoice->get_currency() ),
+            'subtotal' => wpinv_price(wpinv_format_amount($invoice->get_subtotal()), $invoice->get_currency()),
+            'discount' => wpinv_price(wpinv_format_amount($invoice->get_total_discount()), $invoice->get_currency()),
+            'tax'      => wpinv_price(wpinv_format_amount($invoice->get_total_tax()), $invoice->get_currency()),
             'total'    => $total,
         );
 
-        $totals = apply_filters( 'getpaid_invoice_totals', $totals, $invoice );
+        $totals = apply_filters('getpaid_invoice_totals', $totals, $invoice);
 
-        wp_send_json_success( compact( 'totals' ) );
+        wp_send_json_success(compact('totals'));
     }
 
     /**
@@ -453,33 +453,33 @@ 
     public static function get_invoice_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and items.
-        if ( empty( $_POST['post_id'] ) ) {
+        if (empty($_POST['post_id'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists.
-        if ( ! $invoice->get_id() ) {
+        if (!$invoice->get_id()) {
             exit;
         }
 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax(  $invoice->get_currency()  );
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax($invoice->get_currency());
         }
 
-        wp_send_json_success( compact( 'items' ) );
+        wp_send_json_success(compact('items'));
     }
 
     /**
@@ -488,50 +488,50 @@ 
     public static function edit_invoice_item() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and item details.
-        if ( empty( $_POST['post_id'] ) || empty( $_POST['data'] ) ) {
+        if (empty($_POST['post_id']) || empty($_POST['data'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists and its not been paid for.
-        if ( ! $invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded() ) {
+        if (!$invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded()) {
             exit;
         }
 
         // Format the data.
-        $data = wp_list_pluck( $_POST['data'], 'value', 'field' );
+        $data = wp_list_pluck($_POST['data'], 'value', 'field');
 
         // Ensure that we have an item id.
-        if ( empty( $data['id'] ) ) {
+        if (empty($data['id'])) {
             exit;
         }
 
         // Abort if the invoice does not have the specified item.
-        $item = $invoice->get_item( (int) $data['id'] );
+        $item = $invoice->get_item((int) $data['id']);
 
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             exit;
         }
 
         // Update the item.
-        $item->set_price( $data['price'] );
-        $item->set_name( $data['name'] );
-        $item->set_description( $data['description'] );
-        $item->set_quantity( $data['quantity'] );
+        $item->set_price($data['price']);
+        $item->set_name($data['name']);
+        $item->set_description($data['description']);
+        $item->set_quantity($data['quantity']);
 
         // Add it to the invoice.
-        $error = $invoice->add_item( $item );
+        $error = $invoice->add_item($item);
         $alert = false;
-        if ( is_wp_error( $error ) ) {
+        if (is_wp_error($error)) {
             $alert = $error->get_error_message();
         }
 
@@ -544,11 +544,11 @@ 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax(  $invoice->get_currency()  );
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax($invoice->get_currency());
         }
 
-        wp_send_json_success( compact( 'items', 'alert' ) );
+        wp_send_json_success(compact('items', 'alert'));
     }
 
     /**
@@ -557,33 +557,33 @@ 
     public static function remove_invoice_item() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and an item.
-        if ( empty( $_POST['post_id'] ) || empty( $_POST['item_id'] ) ) {
+        if (empty($_POST['post_id']) || empty($_POST['item_id'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists and its not been paid for.
-        if ( ! $invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded() ) {
+        if (!$invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded()) {
             exit;
         }
 
         // Abort if the invoice does not have the specified item.
-        $item = $invoice->get_item( (int) $_POST['item_id'] );
+        $item = $invoice->get_item((int) $_POST['item_id']);
 
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             exit;
         }
 
-        $invoice->remove_item( (int) $_POST['item_id'] );
+        $invoice->remove_item((int) $_POST['item_id']);
 
         // Update totals.
         $invoice->recalculate_total();
@@ -594,11 +594,11 @@ 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax(  $invoice->get_currency()  );
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax($invoice->get_currency());
         }
 
-        wp_send_json_success( compact( 'items' ) );
+        wp_send_json_success(compact('items'));
     }
 
     /**
@@ -607,39 +607,39 @@ 
     public static function add_invoice_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and items.
-        if ( empty( $_POST['post_id'] ) || empty( $_POST['items'] ) ) {
+        if (empty($_POST['post_id']) || empty($_POST['items'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
         $alert   = false;
 
         // Ensure it exists and its not been paid for.
-        if ( ! $invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded() ) {
+        if (!$invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded()) {
             exit;
         }
 
         // Add the items.
-        foreach ( $_POST['items'] as $data ) {
+        foreach ($_POST['items'] as $data) {
 
-            $item = new GetPaid_Form_Item( $data[ 'id' ] );
+            $item = new GetPaid_Form_Item($data['id']);
 
-            if ( is_numeric( $data[ 'qty' ] ) && (int) $data[ 'qty' ] > 0 ) {
-                $item->set_quantity( $data[ 'qty' ] );
+            if (is_numeric($data['qty']) && (int) $data['qty'] > 0) {
+                $item->set_quantity($data['qty']);
             }
 
-            if ( $item->get_id() > 0 ) {
-                $error = $invoice->add_item( $item );
+            if ($item->get_id() > 0) {
+                $error = $invoice->add_item($item);
 
-                if ( is_wp_error( $error ) ) {
+                if (is_wp_error($error)) {
                     $alert = $error->get_error_message();
                 }
 
@@ -654,11 +654,11 @@ 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax( $invoice->get_currency() );
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax($invoice->get_currency());
         }
 
-        wp_send_json_success( compact( 'items', 'alert' ) );
+        wp_send_json_success(compact('items', 'alert'));
     }
 
     /**
@@ -667,15 +667,15 @@ 
     public static function get_invoicing_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need a search term.
-        if ( empty( $_GET['search'] ) ) {
-            wp_send_json_success( array() );
+        if (empty($_GET['search'])) {
+            wp_send_json_success(array());
         }
 
         // Retrieve items.
@@ -684,8 +684,8 @@ 
             'orderby'        => 'title',
             'order'          => 'ASC',
             'posts_per_page' => -1,
-            'post_status'    => array( 'publish' ),
-            's'              => trim( $_GET['search'] ),
+            'post_status'    => array('publish'),
+            's'              => trim($_GET['search']),
             'meta_query'     => array(
                 array(
                     'key'       => '_wpinv_type',
@@ -695,14 +695,14 @@ 
             )
         );
 
-        $items = get_posts( apply_filters( 'getpaid_ajax_invoice_items_query_args', $item_args ) );
+        $items = get_posts(apply_filters('getpaid_ajax_invoice_items_query_args', $item_args));
         $data  = array();
 
 
-        $is_payment_form = ( ! empty( $_GET['post_id'] ) && 'wpi_payment_form' == get_post_type( $_GET['post_id'] ) );
+        $is_payment_form = (!empty($_GET['post_id']) && 'wpi_payment_form' == get_post_type($_GET['post_id']));
 
-        foreach ( $items as $item ) {
-            $item      = new GetPaid_Form_Item( $item );
+        foreach ($items as $item) {
+            $item = new GetPaid_Form_Item($item);
             $data[] = array(
                 'id'        => $item->get_id(),
                 'text'      => $item->get_name(),
@@ -710,7 +710,7 @@ 
             );
         }
 
-        wp_send_json_success( $data );
+        wp_send_json_success($data);
 
     }
 
@@ -720,24 +720,24 @@ 
     public static function get_aui_states_field() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // We need a country.
-        if ( empty( $_GET['country'] ) ) {
+        if (empty($_GET['country'])) {
             exit;
         }
 
-        $states = wpinv_get_country_states( trim( $_GET['country'] ) );
-        $state  = isset( $_GET['state'] ) ? trim( $_GET['state'] ) : wpinv_get_default_state();
+        $states = wpinv_get_country_states(trim($_GET['country']));
+        $state  = isset($_GET['state']) ? trim($_GET['state']) : wpinv_get_default_state();
 
-        if ( empty( $states ) ) {
+        if (empty($states)) {
 
             $html = aui()->input(
                 array(
                     'type'        => 'text',
                     'id'          => 'wpinv_state',
                     'name'        => 'wpinv_state',
-                    'label'       => __( 'State', 'invoicing' ),
+                    'label'       => __('State', 'invoicing'),
                     'label_type'  => 'vertical',
                     'placeholder' => 'Liège',
                     'class'       => 'form-control-sm',
@@ -751,9 +751,9 @@ 
                 array(
                     'id'          => 'wpinv_state',
                     'name'        => 'wpinv_state',
-                    'label'       => __( 'State', 'invoicing' ),
+                    'label'       => __('State', 'invoicing'),
                     'label_type'  => 'vertical',
-                    'placeholder' => __( 'Select a state', 'invoicing' ),
+                    'placeholder' => __('Select a state', 'invoicing'),
                     'class'       => 'form-control-sm',
                     'value'       => $state,
                     'options'     => $states,
@@ -767,7 +767,7 @@ 
         wp_send_json_success(
             array(
                 'html'   => $html,
-                'select' => ! empty ( $states )
+                'select' => !empty ($states)
             )
         );
 
@@ -781,46 +781,46 @@ 
     public static function ip_geolocation() {
 
         // Check nonce.
-        check_ajax_referer( 'getpaid-ip-location' );
+        check_ajax_referer('getpaid-ip-location');
 
         // IP address.
-        if ( empty( $_GET['ip'] ) || ! rest_is_ip_address( $_GET['ip'] ) ) {
-            _e( 'Invalid IP Address.', 'invoicing' );
+        if (empty($_GET['ip']) || !rest_is_ip_address($_GET['ip'])) {
+            _e('Invalid IP Address.', 'invoicing');
             exit;
         }
 
         // Retrieve location info.
-        $location = getpaid_geolocate_ip_address( $_GET['ip'] );
+        $location = getpaid_geolocate_ip_address($_GET['ip']);
 
-        if ( empty( $location ) ) {
-            _e( 'Unable to find geolocation for the IP Address.', 'invoicing' );
+        if (empty($location)) {
+            _e('Unable to find geolocation for the IP Address.', 'invoicing');
             exit;
         }
 
         // Sorry.
-        extract( $location );
+        extract($location);
 
         // Prepare the address.
         $content = '';
 
-        if ( ! empty( $location['city'] ) ) {
-            $content .=  $location['city']  . ', ';
+        if (!empty($location['city'])) {
+            $content .= $location['city'] . ', ';
         }
         
-        if ( ! empty( $location['region'] ) ) {
-            $content .=  $location['region']  . ', ';
+        if (!empty($location['region'])) {
+            $content .= $location['region'] . ', ';
         }
         
-        $content .=  $location['country'] . ' (' . $location['iso'] . ')';
+        $content .= $location['country'] . ' (' . $location['iso'] . ')';
 
         $location['address'] = $content;
 
-        $content  = '<p>'. sprintf( __( '<b>Address:</b> %s', 'invoicing' ), $content ) . '</p>';
-        $content .= '<p>'. $location['credit'] . '</p>';
+        $content  = '<p>' . sprintf(__('<b>Address:</b> %s', 'invoicing'), $content) . '</p>';
+        $content .= '<p>' . $location['credit'] . '</p>';
 
         $location['content'] = $content;
 
-        wpinv_get_template( 'geolocation.php', $location );
+        wpinv_get_template('geolocation.php', $location);
 
         exit;
     }
@@ -833,11 +833,11 @@ 
     public static function payment_form_refresh_prices() {
 
         // Check nonce.
-        check_ajax_referer( 'getpaid_form_nonce' );
+        check_ajax_referer('getpaid_form_nonce');
 
         // ... form fields...
-        if ( empty( $_POST['getpaid_payment_form_submission'] ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (empty($_POST['getpaid_payment_form_submission'])) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
@@ -845,7 +845,7 @@ 
         $submission = new GetPaid_Payment_Form_Submission();
 
         // Do we have an error?
-        if ( ! empty( $submission->last_error ) ) {
+        if (!empty($submission->last_error)) {
             echo $submission->last_error;
             exit;
         }
@@ -858,43 +858,43 @@ 
             'is_free'       => $submission->get_payment_details(),
 
             'totals'        => array(
-                'subtotal'  => wpinv_price( wpinv_format_amount( $submission->subtotal_amount ), $submission->get_currency() ),
-                'discount'  => wpinv_price( wpinv_format_amount( $submission->get_total_discount() ), $submission->get_currency() ),
-                'fees'      => wpinv_price( wpinv_format_amount( $submission->get_total_fees() ), $submission->get_currency() ),
-                'tax'       => wpinv_price( wpinv_format_amount( $submission->get_total_tax() ), $submission->get_currency() ),
-                'total'     => wpinv_price( wpinv_format_amount( $submission->get_total() ), $submission->get_currency() ),
+                'subtotal'  => wpinv_price(wpinv_format_amount($submission->subtotal_amount), $submission->get_currency()),
+                'discount'  => wpinv_price(wpinv_format_amount($submission->get_total_discount()), $submission->get_currency()),
+                'fees'      => wpinv_price(wpinv_format_amount($submission->get_total_fees()), $submission->get_currency()),
+                'tax'       => wpinv_price(wpinv_format_amount($submission->get_total_tax()), $submission->get_currency()),
+                'total'     => wpinv_price(wpinv_format_amount($submission->get_total()), $submission->get_currency()),
             ),
 
             'texts'         => array(
-                '.getpaid-checkout-total-payable' => wpinv_price( wpinv_format_amount( $submission->get_total() ), $submission->get_currency() ),
+                '.getpaid-checkout-total-payable' => wpinv_price(wpinv_format_amount($submission->get_total()), $submission->get_currency()),
             )
 
         );
 
         // Add items.
         $items = $submission->get_items();
-        if ( ! empty( $items ) ) {
+        if (!empty($items)) {
             $result['items'] = array();
 
-            foreach( $items as $item_id => $item ) {
-                $result['items']["$item_id"] = wpinv_price( wpinv_format_amount( $item->get_price() * $item->get_quantity() ) );
+            foreach ($items as $item_id => $item) {
+                $result['items']["$item_id"] = wpinv_price(wpinv_format_amount($item->get_price() * $item->get_quantity()));
             }
         }
 
         // Add invoice.
-        if ( $submission->has_invoice() ) {
+        if ($submission->has_invoice()) {
             $result['invoice'] = $submission->get_invoice()->ID;
         }
 
         // Add discount code.
-        if ( $submission->has_discount_code() ) {
+        if ($submission->has_discount_code()) {
             $result['discount_code'] = $submission->get_discount_code();
         }
 
         // Filter the result.
-        $result = apply_filters( 'getpaid_payment_form_ajax_refresh_prices', $result, $submission );
+        $result = apply_filters('getpaid_payment_form_ajax_refresh_prices', $result, $submission);
 
-        wp_send_json_success( $result );
+        wp_send_json_success($result);
     }
 
     /**
@@ -905,53 +905,53 @@ 
     public static function buy_items() {
         $user_id = get_current_user_id();
 
-        if ( empty( $user_id ) ) { // If not logged in then lets redirect to the login page
-            wp_send_json( array(
-                'success' => wp_login_url( wp_get_referer() )
-            ) );
+        if (empty($user_id)) { // If not logged in then lets redirect to the login page
+            wp_send_json(array(
+                'success' => wp_login_url(wp_get_referer())
+            ));
         } else {
             // Only check nonce if logged in as it could be cached when logged out.
-            if ( ! isset( $_POST['wpinv_buy_nonce'] ) || ! wp_verify_nonce( $_POST['wpinv_buy_nonce'], 'wpinv_buy_items' ) ) {
-                wp_send_json( array(
-                    'error' => __( 'Security checks failed.', 'invoicing' )
-                ) );
+            if (!isset($_POST['wpinv_buy_nonce']) || !wp_verify_nonce($_POST['wpinv_buy_nonce'], 'wpinv_buy_items')) {
+                wp_send_json(array(
+                    'error' => __('Security checks failed.', 'invoicing')
+                ));
                 wp_die();
             }
 
             // allow to set a custom price through post_id
             $items = $_POST['items'];
-            $related_post_id = isset( $_POST['post_id'] ) ? (int)$_POST['post_id'] : 0;
-            $custom_item_price = $related_post_id ? abs( get_post_meta( $related_post_id, '_wpi_custom_price', true ) ) : 0;
+            $related_post_id = isset($_POST['post_id']) ? (int) $_POST['post_id'] : 0;
+            $custom_item_price = $related_post_id ? abs(get_post_meta($related_post_id, '_wpi_custom_price', true)) : 0;
 
             $cart_items = array();
-            if ( $items ) {
-                $items = explode( ',', $items );
+            if ($items) {
+                $items = explode(',', $items);
 
-                foreach( $items as $item ) {
+                foreach ($items as $item) {
                     $item_id = $item;
                     $quantity = 1;
 
-                    if ( strpos( $item, '|' ) !== false ) {
-                        $item_parts = explode( '|', $item );
+                    if (strpos($item, '|') !== false) {
+                        $item_parts = explode('|', $item);
                         $item_id = $item_parts[0];
                         $quantity = $item_parts[1];
                     }
 
-                    if ( $item_id && $quantity ) {
+                    if ($item_id && $quantity) {
                         $cart_items_arr = array(
-                            'id'            => (int)$item_id,
-                            'quantity'      => (int)$quantity
+                            'id'            => (int) $item_id,
+                            'quantity'      => (int) $quantity
                         );
 
                         // If there is a related post id then add it to meta
-                        if ( $related_post_id ) {
+                        if ($related_post_id) {
                             $cart_items_arr['meta'] = array(
                                 'post_id'   => $related_post_id
                             );
                         }
 
                         // If there is a custom price then set it.
-                        if ( $custom_item_price ) {
+                        if ($custom_item_price) {
                             $cart_items_arr['custom_price'] = $custom_item_price;
                         }
 
@@ -967,37 +967,37 @@ 
              * @param int $related_post_id The related post id if any.
              * @since 1.0.0
              */
-            $cart_items = apply_filters( 'wpinv_buy_cart_items', $cart_items, $related_post_id );
+            $cart_items = apply_filters('wpinv_buy_cart_items', $cart_items, $related_post_id);
 
             // Make sure its not in the cart already, if it is then redirect to checkout.
             $cart_invoice = wpinv_get_invoice_cart();
 
-            if ( isset( $cart_invoice->items ) && !empty( $cart_invoice->items ) && !empty( $cart_items ) && serialize( $cart_invoice->items ) == serialize( $cart_items ) ) {
-                wp_send_json( array(
+            if (isset($cart_invoice->items) && !empty($cart_invoice->items) && !empty($cart_items) && serialize($cart_invoice->items) == serialize($cart_items)) {
+                wp_send_json(array(
                     'success' =>  $cart_invoice->get_checkout_payment_url()
-                ) );
+                ));
                 wp_die();
             }
 
             // Check if user has invoice with same items waiting to be paid.
-            $user_invoices = wpinv_get_users_invoices( $user_id , 10 , false , 'wpi-pending' );
-            if ( !empty( $user_invoices ) ) {
-                foreach( $user_invoices as $user_invoice ) {
+            $user_invoices = wpinv_get_users_invoices($user_id, 10, false, 'wpi-pending');
+            if (!empty($user_invoices)) {
+                foreach ($user_invoices as $user_invoice) {
                     $user_cart_details = array();
-                    $invoice  = wpinv_get_invoice( $user_invoice->ID );
+                    $invoice = wpinv_get_invoice($user_invoice->ID);
                     $cart_details = $invoice->get_cart_details();
 
-                    if ( !empty( $cart_details ) ) {
-                        foreach ( $cart_details as $invoice_item ) {
+                    if (!empty($cart_details)) {
+                        foreach ($cart_details as $invoice_item) {
                             $ii_arr = array();
-                            $ii_arr['id'] = (int)$invoice_item['id'];
-                            $ii_arr['quantity'] = (int)$invoice_item['quantity'];
+                            $ii_arr['id'] = (int) $invoice_item['id'];
+                            $ii_arr['quantity'] = (int) $invoice_item['quantity'];
 
-                            if (isset( $invoice_item['meta'] ) && !empty( $invoice_item['meta'] ) ) {
+                            if (isset($invoice_item['meta']) && !empty($invoice_item['meta'])) {
                                 $ii_arr['meta'] = $invoice_item['meta'];
                             }
 
-                            if ( isset( $invoice_item['custom_price'] ) && !empty( $invoice_item['custom_price'] ) ) {
+                            if (isset($invoice_item['custom_price']) && !empty($invoice_item['custom_price'])) {
                                 $ii_arr['custom_price'] = $invoice_item['custom_price'];
                             }
 
@@ -1005,17 +1005,17 @@ 
                         }
                     }
 
-                    if ( !empty( $user_cart_details ) && serialize( $cart_items ) == serialize( $user_cart_details ) ) {
-                        wp_send_json( array(
+                    if (!empty($user_cart_details) && serialize($cart_items) == serialize($user_cart_details)) {
+                        wp_send_json(array(
                             'success' =>  $invoice->get_checkout_payment_url()
-                        ) );
+                        ));
                         wp_die();
                     }
                 }
             }
 
             // Create invoice and send user to checkout
-            if ( !empty( $cart_items ) ) {
+            if (!empty($cart_items)) {
                 $invoice_data = array(
                     'status'        =>  'wpi-pending',
                     'created_via'   =>  'wpi',
@@ -1023,21 +1023,21 @@ 
                     'cart_details'  =>  $cart_items,
                 );
 
-                $invoice = wpinv_insert_invoice( $invoice_data, true );
+                $invoice = wpinv_insert_invoice($invoice_data, true);
 
-                if ( !empty( $invoice ) && isset( $invoice->ID ) ) {
-                    wp_send_json( array(
+                if (!empty($invoice) && isset($invoice->ID)) {
+                    wp_send_json(array(
                         'success' =>  $invoice->get_checkout_payment_url()
-                    ) );
+                    ));
                 } else {
-                    wp_send_json( array(
-                        'error' => __( 'Invoice failed to create', 'invoicing' )
-                    ) );
+                    wp_send_json(array(
+                        'error' => __('Invoice failed to create', 'invoicing')
+                    ));
                 }
             } else {
-                wp_send_json( array(
-                    'error' => __( 'Items not valid.', 'invoicing' )
-                ) );
+                wp_send_json(array(
+                    'error' => __('Items not valid.', 'invoicing')
+                ));
             }
         }