AyeCode / invoicing

includes/payments/class-getpaid-payment-form-submission.php

Spacing +133 added lines, -133 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -146,8 +146,8 @@ 
 		$this->state   = wpinv_get_default_state();
 
 		// Do we have an actual submission?
-		if ( isset( $_POST['getpaid_payment_form_submission'] ) ) {
-			$this->load_data( wp_kses_post_deep( wp_unslash( $_POST ) ) );
+		if (isset($_POST['getpaid_payment_form_submission'])) {
+			$this->load_data(wp_kses_post_deep(wp_unslash($_POST)));
 		}
 
 	}
@@ -157,16 +157,16 @@ 
 	 *
 	 * @param array $data
 	 */
-	public function load_data( $data ) {
+	public function load_data($data) {
 
 		// Allow plugins to filter the data.
-		$data       = apply_filters( 'getpaid_submission_data', $data, $this );
+		$data       = apply_filters('getpaid_submission_data', $data, $this);
 
 		// Cache it...
 		$this->data = $data;
 
 		// Then generate a unique id from the data.
-		$this->id   = md5( wp_json_encode( $data ) );
+		$this->id   = md5(wp_json_encode($data));
 
 		// Finally, process the submission.
 		try {
@@ -176,29 +176,29 @@ 
 			$processors = apply_filters(
 				'getpaid_payment_form_submission_processors',
 				array(
-					array( $this, 'process_payment_form' ),
-					array( $this, 'process_invoice' ),
-					array( $this, 'process_fees' ),
-					array( $this, 'process_items' ),
-					array( $this, 'process_discount' ),
-					array( $this, 'process_taxes' ),
+					array($this, 'process_payment_form'),
+					array($this, 'process_invoice'),
+					array($this, 'process_fees'),
+					array($this, 'process_items'),
+					array($this, 'process_discount'),
+					array($this, 'process_taxes'),
 				),
 				$this
 			);
 
-			foreach ( $processors as $processor ) {
-				call_user_func_array( $processor, array( &$this ) );
+			foreach ($processors as $processor) {
+				call_user_func_array($processor, array(&$this));
 			}
-		} catch ( GetPaid_Payment_Exception $e ) {
+		} catch (GetPaid_Payment_Exception $e) {
 			$this->last_error      = $e->getMessage();
 			$this->last_error_code = $e->getErrorCode();
-		} catch ( Exception $e ) {
+		} catch (Exception $e) {
 			$this->last_error      = $e->getMessage();
 			$this->last_error_code = $e->getCode();
 		}
 
 		// Fired when we are done processing a submission.
-		do_action_ref_array( 'getpaid_process_submission', array( &$this ) );
+		do_action_ref_array('getpaid_process_submission', array(&$this));
 
 	}
 
@@ -219,18 +219,18 @@ 
 	public function process_payment_form() {
 
 		// Every submission needs an active payment form.
-		if ( empty( $this->data['form_id'] ) ) {
-			throw new Exception( __( 'Missing payment form', 'invoicing' ) );
+		if (empty($this->data['form_id'])) {
+			throw new Exception(__('Missing payment form', 'invoicing'));
 		}
 
 		// Fetch the payment form.
-		$this->payment_form = new GetPaid_Payment_Form( $this->data['form_id'] );
+		$this->payment_form = new GetPaid_Payment_Form($this->data['form_id']);
 
-		if ( ! $this->payment_form->is_active() ) {
-			throw new Exception( __( 'Payment form not active', 'invoicing' ) );
+		if (!$this->payment_form->is_active()) {
+			throw new Exception(__('Payment form not active', 'invoicing'));
 		}
 
-		do_action_ref_array( 'getpaid_submissions_process_payment_form', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_payment_form', array(&$this));
 	}
 
     /**
@@ -260,64 +260,64 @@ 
 	public function process_invoice() {
 
 		// Abort if there is no invoice.
-		if ( empty( $this->data['invoice_id'] ) ) {
+		if (empty($this->data['invoice_id'])) {
 
 			// Check if we are resuming a payment.
-			if ( empty( $this->data['maybe_use_invoice'] ) ) {
+			if (empty($this->data['maybe_use_invoice'])) {
 				return;
 			}
 
-			$invoice = wpinv_get_invoice( $this->data['maybe_use_invoice'] );
-			if ( empty( $invoice ) || ! $invoice->has_status( 'draft, auto-draft, wpi-pending' ) ) {
+			$invoice = wpinv_get_invoice($this->data['maybe_use_invoice']);
+			if (empty($invoice) || !$invoice->has_status('draft, auto-draft, wpi-pending')) {
 				return;
 			}
 		}
 
 		// If the submission is for an existing invoice, ensure that it exists
 		// and that it is not paid for.
-		if ( empty( $invoice ) ) {
-			$invoice = wpinv_get_invoice( $this->data['invoice_id'] );
+		if (empty($invoice)) {
+			$invoice = wpinv_get_invoice($this->data['invoice_id']);
 		}
 
-        if ( empty( $invoice ) ) {
-			throw new Exception( __( 'Invalid invoice', 'invoicing' ) );
+        if (empty($invoice)) {
+			throw new Exception(__('Invalid invoice', 'invoicing'));
 		}
 
-		if ( $invoice->is_paid() ) {
-			throw new Exception( __( 'This invoice is already paid for.', 'invoicing' ) );
+		if ($invoice->is_paid()) {
+			throw new Exception(__('This invoice is already paid for.', 'invoicing'));
 		}
 
 		$this->payment_form->invoice = $invoice;
-		if ( ! $this->payment_form->is_default() ) {
+		if (!$this->payment_form->is_default()) {
 
 			$items    = array();
 			$item_ids = array();
 
-			foreach ( $invoice->get_items() as $item ) {
-				if ( ! in_array( $item->get_id(), $item_ids ) ) {
+			foreach ($invoice->get_items() as $item) {
+				if (!in_array($item->get_id(), $item_ids)) {
 					$item_ids[] = $item->get_id();
 					$items[]    = $item;
 				}
 			}
 
-			foreach ( $this->payment_form->get_items() as $item ) {
-				if ( ! in_array( $item->get_id(), $item_ids ) ) {
+			foreach ($this->payment_form->get_items() as $item) {
+				if (!in_array($item->get_id(), $item_ids)) {
 					$item_ids[] = $item->get_id();
 					$items[]    = $item;
 				}
 			}
 
-			$this->payment_form->set_items( $items );
+			$this->payment_form->set_items($items);
 
 		} else {
-			$this->payment_form->set_items( $invoice->get_items() );
+			$this->payment_form->set_items($invoice->get_items());
 		}
 
 		$this->country = $invoice->get_country();
 		$this->state   = $invoice->get_state();
 		$this->invoice = $invoice;
 
-		do_action_ref_array( 'getpaid_submissions_process_invoice', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_invoice', array(&$this));
 	}
 
 	/**
@@ -337,7 +337,7 @@ 
 	 * @return bool
 	 */
 	public function has_invoice() {
-		return ! empty( $this->invoice );
+		return !empty($this->invoice);
 	}
 
 	/*
@@ -356,13 +356,13 @@ 
 	 */
 	public function process_items() {
 
-		$processor = new GetPaid_Payment_Form_Submission_Items( $this );
+		$processor = new GetPaid_Payment_Form_Submission_Items($this);
 
-		foreach ( $processor->items as $item ) {
-			$this->add_item( $item );
+		foreach ($processor->items as $item) {
+			$this->add_item($item);
 		}
 
-		do_action_ref_array( 'getpaid_submissions_process_items', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_items', array(&$this));
 	}
 
 	/**
@@ -371,20 +371,20 @@ 
 	 * @since 1.0.19
 	 * @param GetPaid_Form_Item $item
 	 */
-	public function add_item( $item ) {
+	public function add_item($item) {
 
 		// Make sure that it is available for purchase.
-		if ( ! $item->can_purchase() || isset( $this->items[ $item->get_id() ] ) ) {
+		if (!$item->can_purchase() || isset($this->items[$item->get_id()])) {
 			return;
 		}
 
 		// Each submission can only contain one recurring item.
-		if ( $item->is_recurring() ) {
+		if ($item->is_recurring()) {
 			$this->has_recurring = $item->get_id();
 		}
 
 		// Update the items and totals.
-		$this->items[ $item->get_id() ]         = $item;
+		$this->items[$item->get_id()]         = $item;
 		$this->totals['subtotal']['initial']   += $item->get_sub_total();
 		$this->totals['subtotal']['recurring'] += $item->get_recurring_sub_total();
 
@@ -398,17 +398,17 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_item( $item_id ) {
+	public function remove_item($item_id) {
 
-		if ( isset( $this->items[ $item_id ] ) ) {
-			$this->totals['subtotal']['initial']   -= $this->items[ $item_id ]->get_sub_total();
-			$this->totals['subtotal']['recurring'] -= $this->items[ $item_id ]->get_recurring_sub_total();
+		if (isset($this->items[$item_id])) {
+			$this->totals['subtotal']['initial']   -= $this->items[$item_id]->get_sub_total();
+			$this->totals['subtotal']['recurring'] -= $this->items[$item_id]->get_recurring_sub_total();
 
-			if ( $this->items[ $item_id ]->is_recurring() ) {
+			if ($this->items[$item_id]->is_recurring()) {
 				$this->has_recurring = 0;
 			}
 
-			unset( $this->items[ $item_id ] );
+			unset($this->items[$item_id]);
 		}
 
 	}
@@ -420,7 +420,7 @@ 
 	 */
 	public function get_subtotal() {
 
-		if ( wpinv_prices_include_tax() ) {
+		if (wpinv_prices_include_tax()) {
 			return $this->totals['subtotal']['initial'] - $this->totals['taxes']['initial'];
 		}
 
@@ -434,7 +434,7 @@ 
 	 */
 	public function get_recurring_subtotal() {
 
-		if ( wpinv_prices_include_tax() ) {
+		if (wpinv_prices_include_tax()) {
 			return $this->totals['subtotal']['recurring'] - $this->totals['taxes']['recurring'];
 		}
 
@@ -458,7 +458,7 @@ 
 	 * @return bool
 	 */
 	public function has_subscription_group() {
-		return $this->has_recurring && getpaid_should_group_subscriptions( $this ) && 1 == count( getpaid_get_subscription_groups( $this ) );
+		return $this->has_recurring && getpaid_should_group_subscriptions($this) && 1 == count(getpaid_get_subscription_groups($this));
 	}
 
 	/**
@@ -468,7 +468,7 @@ 
 	 * @return bool
 	 */
 	public function has_multiple_subscription_groups() {
-		return $this->has_recurring && 1 < count( getpaid_get_subscription_groups( $this ) );
+		return $this->has_recurring && 1 < count(getpaid_get_subscription_groups($this));
 	}
 
 	/*
@@ -488,39 +488,39 @@ 
 	public function process_taxes() {
 
 		// Abort if we're not using taxes.
-		if ( ! $this->use_taxes() ) {
+		if (!$this->use_taxes()) {
 			return;
 		}
 
 		// If a custom country && state has been passed in, use it to calculate taxes.
-		$country = $this->get_field( 'wpinv_country', 'billing' );
-		if ( ! empty( $country ) ) {
+		$country = $this->get_field('wpinv_country', 'billing');
+		if (!empty($country)) {
 			$this->country = $country;
 		}
 
-		$state = $this->get_field( 'wpinv_state', 'billing' );
-		if ( ! empty( $state ) ) {
+		$state = $this->get_field('wpinv_state', 'billing');
+		if (!empty($state)) {
 			$this->state = $state;
 		}
 
 		// Confirm if the provided country and the ip country are similar.
-		$address_confirmed = $this->get_field( 'confirm-address' );
-		if ( isset( $_POST['billing']['country'] ) && wpinv_should_validate_vat_number() && getpaid_get_ip_country() != $this->country && empty( $address_confirmed ) ) {
-			throw new Exception( __( 'The country of your current location must be the same as the country of your billing location or you must confirm the billing address is your home country.', 'invoicing' ) );
+		$address_confirmed = $this->get_field('confirm-address');
+		if (isset($_POST['billing']['country']) && wpinv_should_validate_vat_number() && getpaid_get_ip_country() != $this->country && empty($address_confirmed)) {
+			throw new Exception(__('The country of your current location must be the same as the country of your billing location or you must confirm the billing address is your home country.', 'invoicing'));
 		}
 
 		// Abort if the country is not taxable.
-		if ( ! wpinv_is_country_taxable( $this->country ) ) {
+		if (!wpinv_is_country_taxable($this->country)) {
 			return;
 		}
 
-		$processor = new GetPaid_Payment_Form_Submission_Taxes( $this );
+		$processor = new GetPaid_Payment_Form_Submission_Taxes($this);
 
-		foreach ( $processor->taxes as $tax ) {
-			$this->add_tax( $tax );
+		foreach ($processor->taxes as $tax) {
+			$this->add_tax($tax);
 		}
 
-		do_action_ref_array( 'getpaid_submissions_process_taxes', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_taxes', array(&$this));
 	}
 
 	/**
@@ -529,16 +529,16 @@ 
 	 * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
 	 * @since 1.0.19
 	 */
-	public function add_tax( $tax ) {
+	public function add_tax($tax) {
 
-		if ( wpinv_round_tax_per_tax_rate() ) {
-			$tax['initial_tax']   = wpinv_round_amount( $tax['initial_tax'] );
-			$tax['recurring_tax'] = wpinv_round_amount( $tax['recurring_tax'] );
+		if (wpinv_round_tax_per_tax_rate()) {
+			$tax['initial_tax']   = wpinv_round_amount($tax['initial_tax']);
+			$tax['recurring_tax'] = wpinv_round_amount($tax['recurring_tax']);
 		}
 
-		$this->taxes[ $tax['name'] ]         = $tax;
-		$this->totals['taxes']['initial']   += wpinv_sanitize_amount( $tax['initial_tax'] );
-		$this->totals['taxes']['recurring'] += wpinv_sanitize_amount( $tax['recurring_tax'] );
+		$this->taxes[$tax['name']]         = $tax;
+		$this->totals['taxes']['initial']   += wpinv_sanitize_amount($tax['initial_tax']);
+		$this->totals['taxes']['recurring'] += wpinv_sanitize_amount($tax['recurring_tax']);
 
 	}
 
@@ -547,12 +547,12 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_tax( $tax_name ) {
+	public function remove_tax($tax_name) {
 
-		if ( isset( $this->taxes[ $tax_name ] ) ) {
-			$this->totals['taxes']['initial']   -= $this->taxes[ $tax_name ]['initial_tax'];
-			$this->totals['taxes']['recurring'] -= $this->taxes[ $tax_name ]['recurring_tax'];
-			unset( $this->taxes[ $tax_name ] );
+		if (isset($this->taxes[$tax_name])) {
+			$this->totals['taxes']['initial']   -= $this->taxes[$tax_name]['initial_tax'];
+			$this->totals['taxes']['recurring'] -= $this->taxes[$tax_name]['recurring_tax'];
+			unset($this->taxes[$tax_name]);
 		}
 
 	}
@@ -566,11 +566,11 @@ 
 
 		$use_taxes = wpinv_use_taxes();
 
-		if ( $this->has_invoice() && ! $this->invoice->is_taxable() ) {
+		if ($this->has_invoice() && !$this->invoice->is_taxable()) {
 			$use_taxes = false;
 		}
 
-		return apply_filters( 'getpaid_submission_use_taxes', $use_taxes, $this );
+		return apply_filters('getpaid_submission_use_taxes', $use_taxes, $this);
 
 	}
 
@@ -619,13 +619,13 @@ 
 
 		$initial_total    = $this->get_subtotal() + $this->get_fee() + $this->get_tax();
 		$recurring_total  = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax();
-		$processor        = new GetPaid_Payment_Form_Submission_Discount( $this, $initial_total, $recurring_total );
+		$processor        = new GetPaid_Payment_Form_Submission_Discount($this, $initial_total, $recurring_total);
 
-		foreach ( $processor->discounts as $discount ) {
-			$this->add_discount( $discount );
+		foreach ($processor->discounts as $discount) {
+			$this->add_discount($discount);
 		}
 
-		do_action_ref_array( 'getpaid_submissions_process_discounts', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_discounts', array(&$this));
 	}
 
 	/**
@@ -634,10 +634,10 @@ 
 	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
 	 * @since 1.0.19
 	 */
-	public function add_discount( $discount ) {
-		$this->discounts[ $discount['name'] ]   = $discount;
-		$this->totals['discount']['initial']   += wpinv_sanitize_amount( $discount['initial_discount'] );
-		$this->totals['discount']['recurring'] += wpinv_sanitize_amount( $discount['recurring_discount'] );
+	public function add_discount($discount) {
+		$this->discounts[$discount['name']]   = $discount;
+		$this->totals['discount']['initial']   += wpinv_sanitize_amount($discount['initial_discount']);
+		$this->totals['discount']['recurring'] += wpinv_sanitize_amount($discount['recurring_discount']);
 	}
 
 	/**
@@ -645,12 +645,12 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_discount( $name ) {
+	public function remove_discount($name) {
 
-		if ( isset( $this->discounts[ $name ] ) ) {
-			$this->totals['discount']['initial']   -= $this->discounts[ $name ]['initial_discount'];
-			$this->totals['discount']['recurring'] -= $this->discounts[ $name ]['recurring_discount'];
-			unset( $this->discounts[ $name ] );
+		if (isset($this->discounts[$name])) {
+			$this->totals['discount']['initial']   -= $this->discounts[$name]['initial_discount'];
+			$this->totals['discount']['recurring'] -= $this->discounts[$name]['recurring_discount'];
+			unset($this->discounts[$name]);
 		}
 
 	}
@@ -662,7 +662,7 @@ 
 	 * @return bool
 	 */
 	public function has_discount_code() {
-		return ! empty( $this->discounts['discount_code'] );
+		return !empty($this->discounts['discount_code']);
 	}
 
 	/**
@@ -719,13 +719,13 @@ 
 	 */
 	public function process_fees() {
 
-		$fees_processor = new GetPaid_Payment_Form_Submission_Fees( $this );
+		$fees_processor = new GetPaid_Payment_Form_Submission_Fees($this);
 
-		foreach ( $fees_processor->fees as $fee ) {
-			$this->add_fee( $fee );
+		foreach ($fees_processor->fees as $fee) {
+			$this->add_fee($fee);
 		}
 
-		do_action_ref_array( 'getpaid_submissions_process_fees', array( &$this ) );
+		do_action_ref_array('getpaid_submissions_process_fees', array(&$this));
 	}
 
 	/**
@@ -734,17 +734,17 @@ 
 	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
 	 * @since 1.0.19
 	 */
-	public function add_fee( $fee ) {
+	public function add_fee($fee) {
 
-		if ( $fee['name'] == 'shipping' ) {
-			$this->totals['shipping']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
-			$this->totals['shipping']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
+		if ($fee['name'] == 'shipping') {
+			$this->totals['shipping']['initial']   += wpinv_sanitize_amount($fee['initial_fee']);
+			$this->totals['shipping']['recurring'] += wpinv_sanitize_amount($fee['recurring_fee']);
 			return;
 		}
 
-		$this->fees[ $fee['name'] ]         = $fee;
-		$this->totals['fees']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
-		$this->totals['fees']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
+		$this->fees[$fee['name']]         = $fee;
+		$this->totals['fees']['initial']   += wpinv_sanitize_amount($fee['initial_fee']);
+		$this->totals['fees']['recurring'] += wpinv_sanitize_amount($fee['recurring_fee']);
 
 	}
 
@@ -753,15 +753,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_fee( $name ) {
+	public function remove_fee($name) {
 
-		if ( isset( $this->fees[ $name ] ) ) {
-			$this->totals['fees']['initial']   -= $this->fees[ $name ]['initial_fee'];
-			$this->totals['fees']['recurring'] -= $this->fees[ $name ]['recurring_fee'];
-			unset( $this->fees[ $name ] );
+		if (isset($this->fees[$name])) {
+			$this->totals['fees']['initial']   -= $this->fees[$name]['initial_fee'];
+			$this->totals['fees']['recurring'] -= $this->fees[$name]['recurring_fee'];
+			unset($this->fees[$name]);
 		}
 
-		if ( 'shipping' == $name ) {
+		if ('shipping' == $name) {
 			$this->totals['shipping']['initial']   = 0;
 			$this->totals['shipping']['recurring'] = 0;
 		}
@@ -802,7 +802,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function has_fees() {
-		return count( $this->fees ) !== 0;
+		return count($this->fees) !== 0;
 	}
 
 	/*
@@ -838,7 +838,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function has_shipping() {
-		return apply_filters( 'getpaid_payment_form_has_shipping', false, $this );
+		return apply_filters('getpaid_payment_form_has_shipping', false, $this);
 	}
 
 	/**
@@ -848,7 +848,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function is_initial_fetch() {
-		return isset( $this->data['initial_state'] ) && empty( $this->data['initial_state'] );
+		return isset($this->data['initial_state']) && empty($this->data['initial_state']);
 	}
 
 	/**
@@ -858,7 +858,7 @@ 
 	 */
 	public function get_total() {
 		$total = $this->get_subtotal() + $this->get_fee() + $this->get_tax() + $this->get_shipping() - $this->get_discount();
-		return max( $total, 0 );
+		return max($total, 0);
 	}
 
 	/**
@@ -868,7 +868,7 @@ 
 	 */
 	public function get_recurring_total() {
 		$total = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax() + $this->get_recurring_shipping() - $this->get_recurring_discount();
-		return max( $total, 0 );
+		return max($total, 0);
 	}
 
 	/**
@@ -880,12 +880,12 @@ 
 		$initial   = $this->get_total();
 		$recurring = $this->get_recurring_total();
 
-		if ( $this->has_recurring == 0 ) {
+		if ($this->has_recurring == 0) {
 			$recurring = 0;
 		}
 
 		$collect = $initial > 0 || $recurring > 0;
-		return apply_filters( 'getpaid_submission_should_collect_payment_details', $collect, $this );
+		return apply_filters('getpaid_submission_should_collect_payment_details', $collect, $this);
 	}
 
 	/**
@@ -894,7 +894,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function get_billing_email() {
-		return apply_filters( 'getpaid_get_submission_billing_email', $this->get_field( 'billing_email' ), $this );
+		return apply_filters('getpaid_get_submission_billing_email', $this->get_field('billing_email'), $this);
 	}
 
 	/**
@@ -904,7 +904,7 @@ 
 	 */
 	public function has_billing_email() {
 		$billing_email = $this->get_billing_email();
-		return ! empty( $billing_email ) && is_email( $billing_email );
+		return !empty($billing_email) && is_email($billing_email);
 	}
 
 	/**
@@ -934,8 +934,8 @@ 
 	 * @since 1.0.19
 	 * @return mixed|null
 	 */
-	public function get_field( $field, $sub_array_key = null ) {
-		return getpaid_get_array_field( $this->data, $field, $sub_array_key );
+	public function get_field($field, $sub_array_key = null) {
+		return getpaid_get_array_field($this->data, $field, $sub_array_key);
 	}
 
 	/**
@@ -943,8 +943,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function is_required_field_set( $field ) {
-		return empty( $field['required'] ) || ! empty( $this->data[ $field['id'] ] );
+	public function is_required_field_set($field) {
+		return empty($field['required']) || !empty($this->data[$field['id']]);
 	}
 
 	/**
@@ -952,8 +952,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function format_amount( $amount ) {
-		return wpinv_price( $amount, $this->get_currency() );
+	public function format_amount($amount) {
+		return wpinv_price($amount, $this->get_currency());
 	}
 
 }