AyeCode / invoicing

invoicing.php

Spacing +11 added lines, -11 removed lines

@@ -15,20 +15,20 @@ 
  * @package GetPaid
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Define constants.
-if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+if (!defined('WPINV_PLUGIN_FILE')) {
+	define('WPINV_PLUGIN_FILE', __FILE__);
 }
 
-if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '2.0.7' );
+if (!defined('WPINV_VERSION')) {
+	define('WPINV_VERSION', '2.0.7');
 }
 
 // Include the main Invoicing class.
-if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+if (!class_exists('WPInv_Plugin', false)) {
+	require_once plugin_dir_path(WPINV_PLUGIN_FILE) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -39,7 +39,7 @@ 
  */
 function getpaid() {
 
-    if ( empty( $GLOBALS['invoicing'] ) ) {
+    if (empty($GLOBALS['invoicing'])) {
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }
 
@@ -52,9 +52,9 @@ 
  * @since  2.0.8
  */
 function getpaid_deactivation_hook() {
-    update_option( 'wpinv_flush_permalinks', 1 );
+    update_option('wpinv_flush_permalinks', 1);
 }
-register_deactivation_hook( __FILE__, 'getpaid_deactivation_hook' );
+register_deactivation_hook(__FILE__, 'getpaid_deactivation_hook');
 
 /**
  * @deprecated
@@ -64,4 +64,4 @@ 
 }
 
 // Kickstart the plugin.
-add_action( 'plugins_loaded', 'getpaid', -100 );
+add_action('plugins_loaded', 'getpaid', -100);

includes/class-wpinv.php

Spacing +172 added lines, -172 removed lines

@@ -6,7 +6,7 @@ 
  * @since   1.0.0
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Main Invoicing class.
@@ -56,8 +56,8 @@ 
 	 * @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;
 	}
 
 	/**
@@ -66,10 +66,10 @@ 
 	 * @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;
@@ -81,23 +81,23 @@ 
 	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.
 		$GLOBALS['wpinv_euvat'] = new WPInv_EUVat(); // Backwards compatibility.
 
 		// Init other objects.
-		$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( 'maxmind', new GetPaid_MaxMind_Geolocation() );
+		$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('maxmind', new GetPaid_MaxMind_Geolocation());
 
 	}
 
@@ -105,8 +105,8 @@ 
 	 * 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;
 	}
 
@@ -117,27 +117,27 @@ 
 	 */
 	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( 'init', array( $this, 'maybe_process_ipn' ), 10 );
-		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('init', array($this, 'maybe_process_ipn'), 10);
+		add_action('init', array($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( $this, 'enqueue_scripts' ), 11 );
-		add_action( 'wp_footer', array( &$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($this, 'enqueue_scripts'), 11);
+		add_action('wp_footer', array(&$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);
 
 	}
 
@@ -145,10 +145,10 @@ 
 		/* 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();
 		}
 	}
@@ -158,21 +158,21 @@ 
 	 *
 	 * @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');
 	}
 
 	/**
@@ -181,78 +181,78 @@ 
 	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/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/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-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' );
-
-		if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
+		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-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');
+
+		if (is_admin() || (defined('WP_CLI') && WP_CLI)) {
 			GetPaid_Post_Types_Admin::init();
 
-			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-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');
 		}
 
 	}
@@ -265,21 +265,21 @@ 
 	 * @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.
 		$locations = array(
@@ -294,10 +294,10 @@ 
 			"$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;
 			}
 
@@ -311,7 +311,7 @@ 
 	public function init() {
 
 		// Fires before getpaid inits.
-		do_action( 'before_getpaid_init', $this );
+		do_action('before_getpaid_init', $this);
 
 		// Maybe upgrade.
 		$this->maybe_upgrade_database();
@@ -328,12 +328,12 @@ 
 			)
 		);
 
-		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);
 
 	}
 
@@ -343,55 +343,55 @@ 
 	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' ), true );
+		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'), true);
 
 		$localize                         = array();
-		$localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-		$localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
-		$localize['txtComplete']          = __( 'Continue', 'invoicing' );
+		$localize['ajax_url']             = admin_url('admin-ajax.php');
+		$localize['nonce']                = wp_create_nonce('wpinv-nonce');
+		$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');
 
-		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' ),  $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'), $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);
 		}
 	}
 
@@ -403,31 +403,31 @@ 
      */
     public function maybe_do_authenticated_action() {
 
-		if ( isset( $_REQUEST['getpaid-action'] ) && isset( $_REQUEST['getpaid-nonce'] ) && wp_verify_nonce( $_REQUEST['getpaid-nonce'], 'getpaid-nonce' ) ) {
+		if (isset($_REQUEST['getpaid-action']) && isset($_REQUEST['getpaid-nonce']) && wp_verify_nonce($_REQUEST['getpaid-nonce'], 'getpaid-nonce')) {
 
-			$key  = sanitize_key( $_REQUEST['getpaid-action'] );
-			$data = wp_unslash( $_REQUEST );
-			if ( is_user_logged_in() ) {
-				do_action( "getpaid_authenticated_action_$key", $data );
+			$key  = sanitize_key($_REQUEST['getpaid-action']);
+			$data = wp_unslash($_REQUEST);
+			if (is_user_logged_in()) {
+				do_action("getpaid_authenticated_action_$key", $data);
 			}
 
-			do_action( "getpaid_unauthenticated_action_$key", $data );
+			do_action("getpaid_unauthenticated_action_$key", $data);
 
 		}
 
     }
 
-	public function pre_get_posts( $wp_query ) {
+	public function pre_get_posts($wp_query) {
 
-		if ( ! is_admin() && ! empty( $wp_query->query_vars['post_type'] ) && getpaid_is_invoice_post_type( $wp_query->query_vars['post_type'] ) && is_user_logged_in() && is_single() && $wp_query->is_main_query() ) {
-			$wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses( false, false, $wp_query->query_vars['post_type'] ) );
+		if (!is_admin() && !empty($wp_query->query_vars['post_type']) && getpaid_is_invoice_post_type($wp_query->query_vars['post_type']) && is_user_logged_in() && is_single() && $wp_query->is_main_query()) {
+			$wp_query->query_vars['post_status'] = array_keys(wpinv_get_invoice_statuses(false, false, $wp_query->query_vars['post_type']));
 		}
 
 		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');
 	}
 
 	/**
@@ -438,7 +438,7 @@ 
 
 		// Currently, UX Builder does not work particulaly well with SuperDuper.
 		// So we disable our widgets when editing a page with UX Builder.
-		if ( function_exists( 'ux_builder_is_active' ) && ux_builder_is_active() ) {
+		if (function_exists('ux_builder_is_active') && ux_builder_is_active()) {
 			return;
 		}
 
@@ -455,8 +455,8 @@ 
 			)
 		);
 
-		foreach ( $widgets as $widget ) {
-			register_widget( $widget );
+		foreach ($widgets as $widget) {
+			register_widget($widget);
 		}
 		
 	}
@@ -468,28 +468,28 @@ 
 	 */
 	public function maybe_upgrade_database() {
 
-		$wpi_version = get_option( 'wpinv_version', 0 );
+		$wpi_version = get_option('wpinv_version', 0);
 
-		if ( $wpi_version == WPINV_VERSION ) {
+		if ($wpi_version == WPINV_VERSION) {
 			return;
 		}
 
 		$installer = new GetPaid_Installer();
 
-		if ( empty( $wpi_version ) ) {
-			return $installer->upgrade_db( 0 );
+		if (empty($wpi_version)) {
+			return $installer->upgrade_db(0);
 		}
 
-		$upgrades  = array(
+		$upgrades = array(
 			'0.0.5' => '004',
 			'1.0.3' => '102',
 			'2.0.0' => '118',
 		);
 
-		foreach ( $upgrades as $key => $method ) {
+		foreach ($upgrades as $key => $method) {
 
-			if ( version_compare( $wpi_version, $key, '<' ) ) {
-				return $installer->upgrade_db( $method );
+			if (version_compare($wpi_version, $key, '<')) {
+				return $installer->upgrade_db($method);
 			}
 
 		}
@@ -503,11 +503,11 @@ 
 	 */
 	public function maybe_flush_permalinks() {
 
-		$flush = get_option( 'wpinv_flush_permalinks', 0 );
+		$flush = get_option('wpinv_flush_permalinks', 0);
 
-		if ( ! empty( $flush ) ) {
+		if (!empty($flush)) {
 			flush_rewrite_rules();
-			delete_option( 'wpinv_flush_permalinks' );
+			delete_option('wpinv_flush_permalinks');
 		}
 
 	}
@@ -518,10 +518,10 @@ 
 	 * @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();
 		}
 
@@ -529,24 +529,24 @@ 
 		$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);
 
 	}
 
@@ -557,7 +557,7 @@ 
 					<div class="modal-dialog modal-dialog-centered modal-lg" role="checkout" style="max-width: 650px;">
 						<div class="modal-content">
 							<div class="modal-body">
-								<button type="button" class="close p-2 getpaid-payment-modal-close d-sm-none" data-dismiss="modal" aria-label="' . esc_attr__( 'Close', 'invoicing' ) . '">
+								<button type="button" class="close p-2 getpaid-payment-modal-close d-sm-none" data-dismiss="modal" aria-label="' . esc_attr__('Close', 'invoicing') . '">
 									<i class="fa fa-times" aria-hidden="true"></i>
 								</button>
 								<div class="modal-body-wrapper"></div>