AyeCode / invoicing

templates/payment-forms/elements/address-fields.php

Spacing +36 added lines, -36 removed lines

@@ -11,56 +11,56 @@ 
  * @var string $country The current user's country
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 
-$field_type = sanitize_key( $field_type );
+$field_type = sanitize_key($field_type);
 
 echo "<div class='row $field_type'>";
 
-foreach ( $fields as $address_field ) {
+foreach ($fields as $address_field) {
 
     // Skip if it is hidden.
-    if ( empty( $address_field['visible'] ) ) {
+    if (empty($address_field['visible'])) {
         continue;
     }
 
-    do_action( 'getpaid_payment_form_address_field_before_' . $address_field['name'], $field_type, $address_field );
+    do_action('getpaid_payment_form_address_field_before_' . $address_field['name'], $field_type, $address_field);
 
     // Prepare variables.
-    if ( ! empty( $form->invoice ) ) {
+    if (!empty($form->invoice)) {
         $user_id = $form->invoice->get_user_id();
     }
 
-    if ( empty( $user_id ) && is_user_logged_in() ) {
+    if (empty($user_id) && is_user_logged_in()) {
         $user_id = $form->invoice->get_user_id();
     }
 
     $field_name  = $address_field['name'];
     $field_name  = "{$field_type}[$field_name]";
-    $wrap_class  = getpaid_get_form_element_grid_class( $address_field );
-    $wrap_class  = esc_attr( "$wrap_class getpaid-address-field-wrapper" );
-    $placeholder = empty( $address_field['placeholder'] ) ? '' : esc_attr( $address_field['placeholder'] );
-    $description = empty( $address_field['description'] ) ? '' : wp_kses_post( $address_field['description'] );
-    $value       = ! empty( $user_id ) ? get_user_meta( $user_id, '_' . $address_field['name'], true ) : '';
-    $label       = empty( $address_field['label'] ) ? '' : wp_kses_post( $address_field['label'] );
-
-    if ( ! empty( $address_field['required'] ) ) {
+    $wrap_class  = getpaid_get_form_element_grid_class($address_field);
+    $wrap_class  = esc_attr("$wrap_class getpaid-address-field-wrapper");
+    $placeholder = empty($address_field['placeholder']) ? '' : esc_attr($address_field['placeholder']);
+    $description = empty($address_field['description']) ? '' : wp_kses_post($address_field['description']);
+    $value       = !empty($user_id) ? get_user_meta($user_id, '_' . $address_field['name'], true) : '';
+    $label       = empty($address_field['label']) ? '' : wp_kses_post($address_field['label']);
+
+    if (!empty($address_field['required'])) {
         $label .= "<span class='text-danger'> *</span>";
     }
 
     // Display the country.
-    if ( 'wpinv_country' == $address_field['name'] ) {
+    if ('wpinv_country' == $address_field['name']) {
 
         echo aui()->select(
             array(
                 'options'     => wpinv_get_country_list(),
-                'name'        => esc_attr( $field_name ),
-                'id'          => sanitize_html_class( $field_name ) . $uniqid,
-                'value'       => sanitize_text_field( $country ),
+                'name'        => esc_attr($field_name),
+                'id'          => sanitize_html_class($field_name) . $uniqid,
+                'value'       => sanitize_text_field($country),
                 'placeholder' => $placeholder,
-                'required'    => ! empty( $address_field['required'] ),
-                'label'       => wp_kses_post( $label ),
+                'required'    => !empty($address_field['required']),
+                'label'       => wp_kses_post($label),
                 'label_type'  => 'vertical',
                 'help_text'   => $description,
                 'class'       => 'getpaid-address-field wpinv_country',
@@ -75,27 +75,27 @@ 
     }
 
     // Display the state.
-    else if ( 'wpinv_state' == $address_field['name'] ) {
+    else if ('wpinv_state' == $address_field['name']) {
 
-        if ( empty( $value ) ) {
+        if (empty($value)) {
             $value = wpinv_get_default_state();
         }
 
-        echo getpaid_get_states_select_markup (
+        echo getpaid_get_states_select_markup(
             $country,
             $value,
             $placeholder,
             $label,
             $description,
-            ! empty( $address_field['required'] ),
+            !empty($address_field['required']),
             $wrap_class,
             $field_name
         );
 
     } else {
 
-        $key      = str_replace( 'wpinv_', '', $address_field['name'] );
-        $key      = esc_attr( str_replace( '_', '-', $key ) );
+        $key      = str_replace('wpinv_', '', $address_field['name']);
+        $key      = esc_attr(str_replace('_', '-', $key));
         $autocomplete = '';
         $replacements = array(
             'zip'        => 'postal-code',
@@ -108,24 +108,24 @@ 
         );
 
 
-        if ( isset( $replacements[ $key ] ) ) {
+        if (isset($replacements[$key])) {
             $autocomplete = array(
-                'autocomplete' => "$field_type {$replacements[ $key ]}",
+                'autocomplete' => "$field_type {$replacements[$key]}",
             );
         }
 
         echo aui()->input(
             array(
-                'name'        => esc_attr( $field_name ),
-                'id'          => sanitize_html_class( $field_name ) . $uniqid,
-                'required'    => ! empty( $address_field['required'] ),
+                'name'        => esc_attr($field_name),
+                'id'          => sanitize_html_class($field_name) . $uniqid,
+                'required'    => !empty($address_field['required']),
                 'placeholder' => $placeholder,
-                'label'       => wp_kses_post( $label ),
+                'label'       => wp_kses_post($label),
                 'label_type'  => 'vertical',
                 'help_text'   => $description,
                 'type'        => 'text',
-                'value'       => sanitize_text_field( $value ),
-                'class'       => 'getpaid-address-field ' . esc_attr( $address_field['name'] ),
+                'value'       => sanitize_text_field($value),
+                'class'       => 'getpaid-address-field ' . esc_attr($address_field['name']),
                 'wrap_class'  => "$wrap_class getpaid-address-field-wrapper__$key",
                 'label_class' => 'getpaid-address-field-label getpaid-address-field-label__' . $key,
                 'extra_attributes' => $autocomplete,
@@ -134,7 +134,7 @@ 
 
     }
 
-    do_action( 'getpaid_payment_form_address_field_after_' . $address_field['name'], $field_type, $address_field );
+    do_action('getpaid_payment_form_address_field_after_' . $address_field['name'], $field_type, $address_field);
 }
 
 echo "</div>";

templates/payment-forms/elements/billing_email.php

Spacing +13 added lines, -13 removed lines

@@ -7,35 +7,35 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 $value = '';
 $class = '';
 
-if ( ! empty( $form->invoice ) ) {
-    $value   = sanitize_email( $form->invoice->get_email() );
-} else if ( is_user_logged_in() ) {
+if (!empty($form->invoice)) {
+    $value = sanitize_email($form->invoice->get_email());
+} else if (is_user_logged_in()) {
     $user  = wp_get_current_user();
-    $value = sanitize_email( $user->user_email );
+    $value = sanitize_email($user->user_email);
 }
 
-if ( ! empty( $value ) && ! empty( $hide_billing_email ) ) {
+if (!empty($value) && !empty($hide_billing_email)) {
     $class = 'd-none';
 }
 
-do_action( 'getpaid_before_payment_form_billing_email', $form );
+do_action('getpaid_before_payment_form_billing_email', $form);
 
 echo "<span class='$class'>";
 
 echo aui()->input(
     array(
         'name'       => 'billing_email',
-        'id'         => esc_attr( $id ) . uniqid( '_' ),
-        'placeholder'=> empty( $placeholder ) ? '' : esc_attr( $placeholder ),
-        'required'   => ! empty( $required ),
-        'label'      => empty( $label ) ? '' : wp_kses_post( $label ) . '<span class="text-danger"> *</span>',
+        'id'         => esc_attr($id) . uniqid('_'),
+        'placeholder'=> empty($placeholder) ? '' : esc_attr($placeholder),
+        'required'   => !empty($required),
+        'label'      => empty($label) ? '' : wp_kses_post($label) . '<span class="text-danger"> *</span>',
         'label_type' => 'vertical',
-        'help_text'  => empty( $description ) ? '' : wp_kses_post( $description ),
+        'help_text'  => empty($description) ? '' : wp_kses_post($description),
         'type'       => 'email',
         'value'      => $value,
         'extra_attributes' => array(
@@ -46,4 +46,4 @@ 
 
 echo '</span>';
 
-do_action( 'getpaid_after_payment_form_billing_email', $form );
+do_action('getpaid_after_payment_form_billing_email', $form);

templates/payment-forms/elements/address.php

Indentation +25 added lines, -25 removed lines

@@ -10,7 +10,7 @@ 
 defined( 'ABSPATH' ) || exit;
 
 if ( empty( $fields ) ) {
-	return;
+    return;
 }
 
 // A prefix for all ids (so that a form can be included in the same page multiple times).
@@ -18,13 +18,13 @@ 
 
 // Prepare the user's country.
 if ( ! empty( $form->invoice ) ) {
-	$country = $form->invoice->get_country();
+    $country = $form->invoice->get_country();
 }
 
 if ( empty( $country ) ) {
-	$country = is_user_logged_in() ? get_user_meta( get_current_user_id(), '_wpinv_country', true ) : '';
-	$country = empty( $country ) ? getpaid_get_ip_country() : $country;
-	$country = empty( $country ) ? wpinv_get_default_country() : $country;
+    $country = is_user_logged_in() ? get_user_meta( get_current_user_id(), '_wpinv_country', true ) : '';
+    $country = empty( $country ) ? getpaid_get_ip_country() : $country;
+    $country = empty( $country ) ? wpinv_get_default_country() : $country;
 }
 
 // A prefix for all ids (so that a form can be included in the same page multiple times).
@@ -56,10 +56,10 @@ 
 	<!-- Start Billing Address -->
 	<div class="getpaid-billing-address-wrapper">
 		<?php
-			$field_type = 'billing';
-			include plugin_dir_path( __FILE__ ) . 'address-fields.php';
-			do_action( 'getpaid_after_payment_form_billing_fields', $form );
-		?>
+            $field_type = 'billing';
+            include plugin_dir_path( __FILE__ ) . 'address-fields.php';
+            do_action( 'getpaid_after_payment_form_billing_fields', $form );
+        ?>
 	</div>
 	<!-- End Billing Address -->
 
@@ -71,19 +71,19 @@ 
 
 	<?php
 
-		echo aui()->input(
-		    array(
-			    'type'       => 'checkbox',
-			    'name'       => 'same-shipping-address',
-			    'id'         => "shipping-toggle$uniqid",
-			    'required'   => false,
-			    'label'      => wp_kses_post( $shipping_address_toggle ),
-			    'value'      => 1,
-			    'checked'    => true,
-		    )
-		);
+        echo aui()->input(
+            array(
+                'type'       => 'checkbox',
+                'name'       => 'same-shipping-address',
+                'id'         => "shipping-toggle$uniqid",
+                'required'   => false,
+                'label'      => wp_kses_post( $shipping_address_toggle ),
+                'value'      => 1,
+                'checked'    => true,
+            )
+        );
 
-	?>
+    ?>
 
 
 	<!-- Start Shipping Address Title -->
@@ -102,10 +102,10 @@ 
 	<!-- Start Shipping Address -->
 	<div class="getpaid-shipping-address-wrapper">
 		<?php
-			$field_type = 'shipping';
-			include plugin_dir_path( __FILE__ ) . 'address-fields.php';
-			do_action( 'getpaid_after_payment_form_shipping_fields', $form );
-		?>
+            $field_type = 'shipping';
+            include plugin_dir_path( __FILE__ ) . 'address-fields.php';
+            do_action( 'getpaid_after_payment_form_shipping_fields', $form );
+        ?>
 	</div>
 	<!-- End Shipping Address -->
 

Spacing +22 added lines, -22 removed lines

@@ -7,58 +7,58 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-if ( empty( $fields ) ) {
+if (empty($fields)) {
 	return;
 }
 
 // A prefix for all ids (so that a form can be included in the same page multiple times).
-$uniqid = uniqid( '_' );
+$uniqid = uniqid('_');
 
 // Prepare the user's country.
-if ( ! empty( $form->invoice ) ) {
+if (!empty($form->invoice)) {
 	$country = $form->invoice->get_country();
 }
 
-if ( empty( $country ) ) {
-	$country = is_user_logged_in() ? get_user_meta( get_current_user_id(), '_wpinv_country', true ) : '';
-	$country = empty( $country ) ? getpaid_get_ip_country() : $country;
-	$country = empty( $country ) ? wpinv_get_default_country() : $country;
+if (empty($country)) {
+	$country = is_user_logged_in() ? get_user_meta(get_current_user_id(), '_wpinv_country', true) : '';
+	$country = empty($country) ? getpaid_get_ip_country() : $country;
+	$country = empty($country) ? wpinv_get_default_country() : $country;
 }
 
 // A prefix for all ids (so that a form can be included in the same page multiple times).
-$uniqid = uniqid( '_' );
+$uniqid = uniqid('_');
 
-$address_type = empty( $address_type ) ? 'billing' : $address_type;
+$address_type = empty($address_type) ? 'billing' : $address_type;
 
 ?>
 
-<?php if ( 'both' === $address_type ) : ?>
+<?php if ('both' === $address_type) : ?>
 
 	<!-- Start Billing/Shipping Address Title -->
 	<h4 class="mb-3 getpaid-shipping-billing-address-title">
-		<?php _e( 'Billing / Shipping Address', 'invoicing' ); ?>
+		<?php _e('Billing / Shipping Address', 'invoicing'); ?>
 	</h4>
 	<!-- End Billing Address Title -->
 
 	<!-- Start Billing Address Title -->
 	<h4 class="mb-3 getpaid-billing-address-title">
-		<?php _e( 'Billing Address', 'invoicing' ); ?>
+		<?php _e('Billing Address', 'invoicing'); ?>
 	</h4>
 	<!-- End Billing Address Title -->
 
 <?php endif; ?>
 
 
-<?php if ( 'both' === $address_type || 'billing' === $address_type ) : ?>
+<?php if ('both' === $address_type || 'billing' === $address_type) : ?>
 
 	<!-- Start Billing Address -->
 	<div class="getpaid-billing-address-wrapper">
 		<?php
 			$field_type = 'billing';
-			include plugin_dir_path( __FILE__ ) . 'address-fields.php';
-			do_action( 'getpaid_after_payment_form_billing_fields', $form );
+			include plugin_dir_path(__FILE__) . 'address-fields.php';
+			do_action('getpaid_after_payment_form_billing_fields', $form);
 		?>
 	</div>
 	<!-- End Billing Address -->
@@ -66,7 +66,7 @@ 
 <?php endif; ?>
 
 
-<?php if ( 'both' === $address_type ) : ?>
+<?php if ('both' === $address_type) : ?>
 
 
 	<?php
@@ -77,7 +77,7 @@ 
 			    'name'       => 'same-shipping-address',
 			    'id'         => "shipping-toggle$uniqid",
 			    'required'   => false,
-			    'label'      => wp_kses_post( $shipping_address_toggle ),
+			    'label'      => wp_kses_post($shipping_address_toggle),
 			    'value'      => 1,
 			    'checked'    => true,
 		    )
@@ -88,7 +88,7 @@ 
 
 	<!-- Start Shipping Address Title -->
 	<h4 class="mb-3 getpaid-shipping-address-title">
-		<?php _e( 'Shipping Address', 'invoicing' ); ?>
+		<?php _e('Shipping Address', 'invoicing'); ?>
 	</h4>
 	<!-- End Shipping Address Title -->
 
@@ -97,14 +97,14 @@ 
 
 
 	
-<?php if ( 'both' === $address_type || 'shipping' === $address_type ) : ?>
+<?php if ('both' === $address_type || 'shipping' === $address_type) : ?>
 
 	<!-- Start Shipping Address -->
 	<div class="getpaid-shipping-address-wrapper">
 		<?php
 			$field_type = 'shipping';
-			include plugin_dir_path( __FILE__ ) . 'address-fields.php';
-			do_action( 'getpaid_after_payment_form_shipping_fields', $form );
+			include plugin_dir_path(__FILE__) . 'address-fields.php';
+			do_action('getpaid_after_payment_form_shipping_fields', $form);
 		?>
 	</div>
 	<!-- End Shipping Address -->

includes/data-stores/class-getpaid-invoice-data-store.php

Indentation +469 added lines, -469 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -15,539 +15,539 @@ 
  */
 class GetPaid_Invoice_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for a discount.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'_wpinv_subscr_profile_id',
-		'_wpinv_subscription_id',
-		'_wpinv_taxes',
-		'_wpinv_fees',
-		'_wpinv_discounts',
-		'_wpinv_submission_id',
-		'_wpinv_payment_form',
-		'_wpinv_is_viewed',
-		'_wpinv_phone',
-		'wpinv_email_cc',
-		'wpinv_template',
-		'wpinv_created_via'
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'_wpinv_subscr_profile_id' => 'remote_subscription_id',
-		'_wpinv_subscription_id'   => 'subscription_id',
-		'_wpinv_taxes'             => 'taxes',
-		'_wpinv_fees'              => 'fees',
-		'_wpinv_discounts'         => 'discounts',
-		'_wpinv_submission_id'     => 'submission_id',
-		'_wpinv_payment_form'      => 'payment_form',
-		'_wpinv_is_viewed'         => 'is_viewed',
-		'wpinv_email_cc'           => 'email_cc',
-		'wpinv_template'           => 'template',
-		'wpinv_created_via'        => 'created_via',
-		'_wpinv_phone'             => 'phone',
-	);
-
-	/**
-	 * A map of database fields to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $database_fields_to_props = array(
-		'post_id'            => 'id',
-		'number'             => 'number',
-		'currency'           => 'currency',
-		'key'                => 'key',
-		'type'               => 'type',
-		'mode'               => 'mode',
-		'user_ip'            => 'user_ip',
-		'first_name'         => 'first_name',
-		'last_name'          => 'last_name',
-		'address'            => 'address',
-		'city'               => 'city',
-		'state'              => 'state',
-		'country'            => 'country',
-		'zip'                => 'zip',
-		'zip'                => 'zip',
-		'adddress_confirmed' => 'address_confirmed',
-		'gateway'            => 'gateway',
-		'transaction_id'     => 'transaction_id',
-		'currency'           => 'currency',
-		'subtotal'           => 'subtotal',
-		'tax'                => 'total_tax',
-		'fees_total'         => 'total_fees',
-		'discount'           => 'total_discount',
-		'total'              => 'total',
-		'discount_code'      => 'discount_code',
-		'disable_taxes'      => 'disable_taxes',
-		'due_date'           => 'due_date',
-		'completed_date'     => 'completed_date',
-		'company'            => 'company',
-		'vat_number'         => 'vat_number',
-		'vat_rate'           => 'vat_rate',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for a discount.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        '_wpinv_subscr_profile_id',
+        '_wpinv_subscription_id',
+        '_wpinv_taxes',
+        '_wpinv_fees',
+        '_wpinv_discounts',
+        '_wpinv_submission_id',
+        '_wpinv_payment_form',
+        '_wpinv_is_viewed',
+        '_wpinv_phone',
+        'wpinv_email_cc',
+        'wpinv_template',
+        'wpinv_created_via'
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        '_wpinv_subscr_profile_id' => 'remote_subscription_id',
+        '_wpinv_subscription_id'   => 'subscription_id',
+        '_wpinv_taxes'             => 'taxes',
+        '_wpinv_fees'              => 'fees',
+        '_wpinv_discounts'         => 'discounts',
+        '_wpinv_submission_id'     => 'submission_id',
+        '_wpinv_payment_form'      => 'payment_form',
+        '_wpinv_is_viewed'         => 'is_viewed',
+        'wpinv_email_cc'           => 'email_cc',
+        'wpinv_template'           => 'template',
+        'wpinv_created_via'        => 'created_via',
+        '_wpinv_phone'             => 'phone',
+    );
+
+    /**
+     * A map of database fields to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $database_fields_to_props = array(
+        'post_id'            => 'id',
+        'number'             => 'number',
+        'currency'           => 'currency',
+        'key'                => 'key',
+        'type'               => 'type',
+        'mode'               => 'mode',
+        'user_ip'            => 'user_ip',
+        'first_name'         => 'first_name',
+        'last_name'          => 'last_name',
+        'address'            => 'address',
+        'city'               => 'city',
+        'state'              => 'state',
+        'country'            => 'country',
+        'zip'                => 'zip',
+        'zip'                => 'zip',
+        'adddress_confirmed' => 'address_confirmed',
+        'gateway'            => 'gateway',
+        'transaction_id'     => 'transaction_id',
+        'currency'           => 'currency',
+        'subtotal'           => 'subtotal',
+        'tax'                => 'total_tax',
+        'fees_total'         => 'total_fees',
+        'discount'           => 'total_discount',
+        'total'              => 'total',
+        'discount_code'      => 'discount_code',
+        'disable_taxes'      => 'disable_taxes',
+        'due_date'           => 'due_date',
+        'completed_date'     => 'completed_date',
+        'company'            => 'company',
+        'vat_number'         => 'vat_number',
+        'vat_rate'           => 'vat_rate',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new invoice in the database.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 */
-	public function create( &$invoice ) {
-		$invoice->set_version( WPINV_VERSION );
-		$invoice->set_date_created( current_time('mysql') );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_invoice_data',
-				array(
-					'post_date'     => $invoice->get_date_created( 'edit' ),
-					'post_type'     => $invoice->get_post_type( 'edit' ),
-					'post_status'   => $this->get_post_status( $invoice ),
-					'ping_status'   => 'closed',
-					'post_author'   => $invoice->get_user_id( 'edit' ),
-					'post_title'    => $invoice->get_title( 'edit' ),
-					'post_excerpt'  => $invoice->get_description( 'edit' ),
-					'post_parent'   => $invoice->get_parent_id( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-
-			// Update the new id and regenerate a title.
-			$invoice->set_id( $id );
-
-			$invoice->maybe_set_number();
-
-			wp_update_post(
-				array(
-					'ID'         => $invoice->get_id(),
-					'post_title' => $invoice->get_number( 'edit' ),
-					'post_name'  => $invoice->get_path( 'edit' )
-				)
-			);
-
-			// Save special fields and items.
-			$this->save_special_fields( $invoice );
-			$this->save_items( $invoice );
-
-			// Update meta data.
-			$this->update_post_meta( $invoice );
-			$invoice->save_meta_data();
-
-			// Apply changes.
-			$invoice->apply_changes();
-			$this->clear_caches( $invoice );
-
-			// Fires after a new invoice is created.
-			do_action( 'getpaid_new_invoice', $invoice );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$invoice->last_error = $id->get_error_message();
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read an invoice from the database.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 *
-	 */
-	public function read( &$invoice ) {
-
-		$invoice->set_defaults();
-		$invoice_object = get_post( $invoice->get_id() );
-
-		if ( ! $invoice->get_id() || ! $invoice_object || ! getpaid_is_invoice_post_type( $invoice_object->post_type ) ) {
-			$invoice->last_error = __( 'Invalid invoice.', 'invoicing' );
-			$invoice->set_id( 0 );
-			return false;
-		}
-
-		$invoice->set_props(
-			array(
-				'date_created'  => 0 < $invoice_object->post_date ? $invoice_object->post_date : null,
-				'date_modified' => 0 < $invoice_object->post_modified ? $invoice_object->post_modified : null,
-				'status'        => $invoice_object->post_status,
-				'author'        => $invoice_object->post_author,
-				'description'   => $invoice_object->post_excerpt,
-				'parent_id'     => $invoice_object->post_parent,
-				'name'          => $invoice_object->post_title,
-				'path'          => $invoice_object->post_name,
-				'post_type'     => $invoice_object->post_type,
-			)
-		);
-
-		$invoice->set_type( $invoice_object->post_type );
-
-		$this->read_object_data( $invoice, $invoice_object );
-		$this->add_special_fields( $invoice );
-		$this->add_items( $invoice );
-		$invoice->read_meta_data();
-		$invoice->set_object_read( true );
-		do_action( 'getpaid_read_invoice', $invoice );
-
-	}
-
-	/**
-	 * Method to update an invoice in the database.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 */
-	public function update( &$invoice ) {
-		$invoice->save_meta_data();
-		$invoice->set_version( WPINV_VERSION );
-
-		if ( null === $invoice->get_date_created( 'edit' ) ) {
-			$invoice->set_date_created(  current_time('mysql') );
-		}
-
-		// Ensure both the key and number are set.
-		$invoice->get_path();
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $invoice->get_id() );
-
-		$changes = $invoice->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'description', 'parent_id', 'post_excerpt', 'path' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $invoice->get_date_created( 'edit' ),
-				'post_date_gmt'     => $invoice->get_date_created_gmt( 'edit' ),
-				'post_status'       => $invoice->get_status( 'edit' ),
-				'post_title'        => $invoice->get_name( 'edit' ),
-				'post_author'       => $invoice->get_user_id( 'edit' ),
-				'post_modified'     => $invoice->get_date_modified( 'edit' ),
-				'post_excerpt'      => $invoice->get_description( 'edit' ),
-				'post_parent'       => $invoice->get_parent_id( 'edit' ),
-				'post_name'         => $invoice->get_path( 'edit' ),
-				'post_type'         => $invoice->get_post_type( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $invoice->get_id() ) );
-				clean_post_cache( $invoice->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $invoice->get_id() ), $post_data ) );
-			}
-			$invoice->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-
-		// Update meta data.
-		$this->update_post_meta( $invoice );
-
-		// Save special fields and items.
-		$this->save_special_fields( $invoice );
-		$this->save_items( $invoice );
-
-		// Apply the changes.
-		$invoice->apply_changes();
-
-		// Clear caches.
-		$this->clear_caches( $invoice );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $invoice->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_invoice', $invoice );
-		} else {
-			do_action( 'getpaid_update_invoice', $invoice );
-		}
-
-	}
-
-	/*
+    /**
+     * Method to create a new invoice in the database.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     */
+    public function create( &$invoice ) {
+        $invoice->set_version( WPINV_VERSION );
+        $invoice->set_date_created( current_time('mysql') );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_invoice_data',
+                array(
+                    'post_date'     => $invoice->get_date_created( 'edit' ),
+                    'post_type'     => $invoice->get_post_type( 'edit' ),
+                    'post_status'   => $this->get_post_status( $invoice ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $invoice->get_user_id( 'edit' ),
+                    'post_title'    => $invoice->get_title( 'edit' ),
+                    'post_excerpt'  => $invoice->get_description( 'edit' ),
+                    'post_parent'   => $invoice->get_parent_id( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+
+            // Update the new id and regenerate a title.
+            $invoice->set_id( $id );
+
+            $invoice->maybe_set_number();
+
+            wp_update_post(
+                array(
+                    'ID'         => $invoice->get_id(),
+                    'post_title' => $invoice->get_number( 'edit' ),
+                    'post_name'  => $invoice->get_path( 'edit' )
+                )
+            );
+
+            // Save special fields and items.
+            $this->save_special_fields( $invoice );
+            $this->save_items( $invoice );
+
+            // Update meta data.
+            $this->update_post_meta( $invoice );
+            $invoice->save_meta_data();
+
+            // Apply changes.
+            $invoice->apply_changes();
+            $this->clear_caches( $invoice );
+
+            // Fires after a new invoice is created.
+            do_action( 'getpaid_new_invoice', $invoice );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $invoice->last_error = $id->get_error_message();
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read an invoice from the database.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     *
+     */
+    public function read( &$invoice ) {
+
+        $invoice->set_defaults();
+        $invoice_object = get_post( $invoice->get_id() );
+
+        if ( ! $invoice->get_id() || ! $invoice_object || ! getpaid_is_invoice_post_type( $invoice_object->post_type ) ) {
+            $invoice->last_error = __( 'Invalid invoice.', 'invoicing' );
+            $invoice->set_id( 0 );
+            return false;
+        }
+
+        $invoice->set_props(
+            array(
+                'date_created'  => 0 < $invoice_object->post_date ? $invoice_object->post_date : null,
+                'date_modified' => 0 < $invoice_object->post_modified ? $invoice_object->post_modified : null,
+                'status'        => $invoice_object->post_status,
+                'author'        => $invoice_object->post_author,
+                'description'   => $invoice_object->post_excerpt,
+                'parent_id'     => $invoice_object->post_parent,
+                'name'          => $invoice_object->post_title,
+                'path'          => $invoice_object->post_name,
+                'post_type'     => $invoice_object->post_type,
+            )
+        );
+
+        $invoice->set_type( $invoice_object->post_type );
+
+        $this->read_object_data( $invoice, $invoice_object );
+        $this->add_special_fields( $invoice );
+        $this->add_items( $invoice );
+        $invoice->read_meta_data();
+        $invoice->set_object_read( true );
+        do_action( 'getpaid_read_invoice', $invoice );
+
+    }
+
+    /**
+     * Method to update an invoice in the database.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     */
+    public function update( &$invoice ) {
+        $invoice->save_meta_data();
+        $invoice->set_version( WPINV_VERSION );
+
+        if ( null === $invoice->get_date_created( 'edit' ) ) {
+            $invoice->set_date_created(  current_time('mysql') );
+        }
+
+        // Ensure both the key and number are set.
+        $invoice->get_path();
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $invoice->get_id() );
+
+        $changes = $invoice->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'description', 'parent_id', 'post_excerpt', 'path' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $invoice->get_date_created( 'edit' ),
+                'post_date_gmt'     => $invoice->get_date_created_gmt( 'edit' ),
+                'post_status'       => $invoice->get_status( 'edit' ),
+                'post_title'        => $invoice->get_name( 'edit' ),
+                'post_author'       => $invoice->get_user_id( 'edit' ),
+                'post_modified'     => $invoice->get_date_modified( 'edit' ),
+                'post_excerpt'      => $invoice->get_description( 'edit' ),
+                'post_parent'       => $invoice->get_parent_id( 'edit' ),
+                'post_name'         => $invoice->get_path( 'edit' ),
+                'post_type'         => $invoice->get_post_type( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $invoice->get_id() ) );
+                clean_post_cache( $invoice->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $invoice->get_id() ), $post_data ) );
+            }
+            $invoice->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+
+        // Update meta data.
+        $this->update_post_meta( $invoice );
+
+        // Save special fields and items.
+        $this->save_special_fields( $invoice );
+        $this->save_items( $invoice );
+
+        // Apply the changes.
+        $invoice->apply_changes();
+
+        // Clear caches.
+        $this->clear_caches( $invoice );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $invoice->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_invoice', $invoice );
+        } else {
+            do_action( 'getpaid_update_invoice', $invoice );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
+    /**
      * Retrieves special fields and adds to the invoice.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function add_special_fields( &$invoice ) {
-		global $wpdb;
+        global $wpdb;
 
-		// Maybe retrieve from the cache.
-		$data   = wp_cache_get( $invoice->get_id(), 'getpaid_invoice_special_fields' );
+        // Maybe retrieve from the cache.
+        $data   = wp_cache_get( $invoice->get_id(), 'getpaid_invoice_special_fields' );
 
-		// If not found, retrieve from the db.
-		if ( false === $data ) {
-			$table =  $wpdb->prefix . 'getpaid_invoices';
+        // If not found, retrieve from the db.
+        if ( false === $data ) {
+            $table =  $wpdb->prefix . 'getpaid_invoices';
 
-			$data  = $wpdb->get_row(
-				$wpdb->prepare( "SELECT * FROM $table WHERE `post_id`=%d LIMIT 1", $invoice->get_id() ),
-				ARRAY_A
-			);
+            $data  = $wpdb->get_row(
+                $wpdb->prepare( "SELECT * FROM $table WHERE `post_id`=%d LIMIT 1", $invoice->get_id() ),
+                ARRAY_A
+            );
 
-			// Update the cache with our data
-			wp_cache_set( $invoice->get_id(), $data, 'getpaid_invoice_special_fields' );
+            // Update the cache with our data
+            wp_cache_set( $invoice->get_id(), $data, 'getpaid_invoice_special_fields' );
 
-		}
+        }
 
-		// Abort if the data does not exist.
-		if ( empty( $data ) ) {
-			$invoice->set_object_read( true );
-			$invoice->set_props( wpinv_get_user_address( $invoice->get_user_id() ) );
-			return;
-		}
+        // Abort if the data does not exist.
+        if ( empty( $data ) ) {
+            $invoice->set_object_read( true );
+            $invoice->set_props( wpinv_get_user_address( $invoice->get_user_id() ) );
+            return;
+        }
 
-		$props = array();
+        $props = array();
 
-		foreach ( $this->database_fields_to_props as $db_field => $prop ) {
+        foreach ( $this->database_fields_to_props as $db_field => $prop ) {
 			
-			if ( $db_field == 'post_id' ) {
-				continue;
-			}
-
-			$props[ $prop ] = $data[ $db_field ];
-		}
-
-		$invoice->set_props( $props );
-
-	}
-
-	/**
-	 * Gets a list of special fields that need updated based on change state
-	 * or if they are present in the database or not.
-	 *
-	 * @param  WPInv_Invoice $invoice       The Invoice object.
-	 * @return array                        A mapping of field keys => prop names, filtered by ones that should be updated.
-	 */
-	protected function get_special_fields_to_update( $invoice ) {
-		$fields_to_update = array();
-		$changed_props   = $invoice->get_changes();
-
-		// Props should be updated if they are a part of the $changed array or don't exist yet.
-		foreach ( $this->database_fields_to_props as $database_field => $prop ) {
-			if ( array_key_exists( $prop, $changed_props ) ) {
-				$fields_to_update[ $database_field ] = $prop;
-			}
-		}
-
-		return $fields_to_update;
-	}
-
-	/**
-	 * Helper method that updates all the database fields for an invoice based on it's settings in the WPInv_Invoice class.
-	 *
-	 * @param WPInv_Invoice $invoice WPInv_Invoice object.
-	 * @since 1.0.19
-	 */
-	protected function update_special_fields( &$invoice ) {
-		global $wpdb;
-
-		$updated_props    = array();
-		$fields_to_update = $this->get_special_fields_to_update( $invoice );
-
-		foreach ( $fields_to_update as $database_field => $prop ) {
-			$value = $invoice->{"get_$prop"}( 'edit' );
-			$value = is_string( $value ) ? wp_slash( $value ) : $value;
-			$value = is_bool( $value ) ? ( int ) $value : $value;
-			$updated_props[ $database_field ] = maybe_serialize( $value );
-		}
-
-		if ( ! empty( $updated_props ) ) {
-
-			$table = $wpdb->prefix . 'getpaid_invoices';
-			$wpdb->update( $table, $updated_props, array( 'post_id' => $invoice->get_id() ) );
-			wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_special_fields' );
-			do_action( "getpaid_invoice_update_database_fields", $invoice, $updated_props );
-
-		}
-
-	}
-
-	/**
-	 * Helper method that inserts special fields to the database.
-	 *
-	 * @param WPInv_Invoice $invoice WPInv_Invoice object.
-	 * @since 1.0.19
-	 */
-	protected function insert_special_fields( &$invoice ) {
-		global $wpdb;
-
-		$updated_props   = array();
-
-		foreach ( $this->database_fields_to_props as $database_field => $prop ) {
-			$value = $invoice->{"get_$prop"}( 'edit' );
-			$value = is_string( $value ) ? wp_slash( $value ) : $value;
-			$value = is_bool( $value ) ? ( int ) $value : $value;
-			$updated_props[ $database_field ] = maybe_serialize( $value );
-		}
-
-		$table = $wpdb->prefix . 'getpaid_invoices';
-		$wpdb->insert( $table, $updated_props );
-		wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_special_fields' );
-		do_action( "getpaid_invoice_insert_database_fields", $invoice, $updated_props );
-
-	}
-
-	/**
+            if ( $db_field == 'post_id' ) {
+                continue;
+            }
+
+            $props[ $prop ] = $data[ $db_field ];
+        }
+
+        $invoice->set_props( $props );
+
+    }
+
+    /**
+     * Gets a list of special fields that need updated based on change state
+     * or if they are present in the database or not.
+     *
+     * @param  WPInv_Invoice $invoice       The Invoice object.
+     * @return array                        A mapping of field keys => prop names, filtered by ones that should be updated.
+     */
+    protected function get_special_fields_to_update( $invoice ) {
+        $fields_to_update = array();
+        $changed_props   = $invoice->get_changes();
+
+        // Props should be updated if they are a part of the $changed array or don't exist yet.
+        foreach ( $this->database_fields_to_props as $database_field => $prop ) {
+            if ( array_key_exists( $prop, $changed_props ) ) {
+                $fields_to_update[ $database_field ] = $prop;
+            }
+        }
+
+        return $fields_to_update;
+    }
+
+    /**
+     * Helper method that updates all the database fields for an invoice based on it's settings in the WPInv_Invoice class.
+     *
+     * @param WPInv_Invoice $invoice WPInv_Invoice object.
+     * @since 1.0.19
+     */
+    protected function update_special_fields( &$invoice ) {
+        global $wpdb;
+
+        $updated_props    = array();
+        $fields_to_update = $this->get_special_fields_to_update( $invoice );
+
+        foreach ( $fields_to_update as $database_field => $prop ) {
+            $value = $invoice->{"get_$prop"}( 'edit' );
+            $value = is_string( $value ) ? wp_slash( $value ) : $value;
+            $value = is_bool( $value ) ? ( int ) $value : $value;
+            $updated_props[ $database_field ] = maybe_serialize( $value );
+        }
+
+        if ( ! empty( $updated_props ) ) {
+
+            $table = $wpdb->prefix . 'getpaid_invoices';
+            $wpdb->update( $table, $updated_props, array( 'post_id' => $invoice->get_id() ) );
+            wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_special_fields' );
+            do_action( "getpaid_invoice_update_database_fields", $invoice, $updated_props );
+
+        }
+
+    }
+
+    /**
+     * Helper method that inserts special fields to the database.
+     *
+     * @param WPInv_Invoice $invoice WPInv_Invoice object.
+     * @since 1.0.19
+     */
+    protected function insert_special_fields( &$invoice ) {
+        global $wpdb;
+
+        $updated_props   = array();
+
+        foreach ( $this->database_fields_to_props as $database_field => $prop ) {
+            $value = $invoice->{"get_$prop"}( 'edit' );
+            $value = is_string( $value ) ? wp_slash( $value ) : $value;
+            $value = is_bool( $value ) ? ( int ) $value : $value;
+            $updated_props[ $database_field ] = maybe_serialize( $value );
+        }
+
+        $table = $wpdb->prefix . 'getpaid_invoices';
+        $wpdb->insert( $table, $updated_props );
+        wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_special_fields' );
+        do_action( "getpaid_invoice_insert_database_fields", $invoice, $updated_props );
+
+    }
+
+    /**
      * Saves all special fields.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function save_special_fields( & $invoice ) {
-		global $wpdb;
+        global $wpdb;
 
-		// The invoices table.
-		$table = $wpdb->prefix . 'getpaid_invoices';
-		$id    = (int) $invoice->get_id();
-		$invoice->maybe_set_key();
+        // The invoices table.
+        $table = $wpdb->prefix . 'getpaid_invoices';
+        $id    = (int) $invoice->get_id();
+        $invoice->maybe_set_key();
 
-		if ( $wpdb->get_var( "SELECT `post_id` FROM $table WHERE `post_id`= $id" ) ) {
+        if ( $wpdb->get_var( "SELECT `post_id` FROM $table WHERE `post_id`= $id" ) ) {
 
-			$this->update_special_fields( $invoice );
+            $this->update_special_fields( $invoice );
 
-		} else {
+        } else {
 
-			$this->insert_special_fields( $invoice );
+            $this->insert_special_fields( $invoice );
 
-		}
+        }
 
-	}
+    }
 
-	/**
+    /**
      * Set's up cart details.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function add_items( &$invoice ) {
-		global $wpdb;
+        global $wpdb;
 
-		// Maybe retrieve from the cache.
-		$items = wp_cache_get( $invoice->get_id(), 'getpaid_invoice_cart_details' );
+        // Maybe retrieve from the cache.
+        $items = wp_cache_get( $invoice->get_id(), 'getpaid_invoice_cart_details' );
 
-		// If not found, retrieve from the db.
-		if ( false === $items ) {
-			$table =  $wpdb->prefix . 'getpaid_invoice_items';
+        // If not found, retrieve from the db.
+        if ( false === $items ) {
+            $table =  $wpdb->prefix . 'getpaid_invoice_items';
 
-			$items = $wpdb->get_results(
-				$wpdb->prepare( "SELECT * FROM $table WHERE `post_id`=%d", $invoice->get_id() )
-			);
+            $items = $wpdb->get_results(
+                $wpdb->prepare( "SELECT * FROM $table WHERE `post_id`=%d", $invoice->get_id() )
+            );
 
-			// Update the cache with our data
-			wp_cache_set( $invoice->get_id(), $items, 'getpaid_invoice_cart_details' );
+            // Update the cache with our data
+            wp_cache_set( $invoice->get_id(), $items, 'getpaid_invoice_cart_details' );
 
-		}
+        }
 
-		// Abort if no items found.
+        // Abort if no items found.
         if ( empty( $items ) ) {
             return;
-		}
+        }
 
-		foreach ( $items as $item_data ) {
-			$item = new GetPaid_Form_Item( $item_data->item_id );
+        foreach ( $items as $item_data ) {
+            $item = new GetPaid_Form_Item( $item_data->item_id );
 
-			// Set item data.
-			$item->item_tax      = wpinv_sanitize_amount( $item_data->tax );
-			$item->item_discount = wpinv_sanitize_amount( $item_data->discount );
-			$item->set_name( $item_data->item_name );
-			$item->set_description( $item_data->item_description );
-			$item->set_price( $item_data->item_price );
-			$item->set_quantity( $item_data->quantity );
-			$item->set_item_meta( $item_data->meta );
+            // Set item data.
+            $item->item_tax      = wpinv_sanitize_amount( $item_data->tax );
+            $item->item_discount = wpinv_sanitize_amount( $item_data->discount );
+            $item->set_name( $item_data->item_name );
+            $item->set_description( $item_data->item_description );
+            $item->set_price( $item_data->item_price );
+            $item->set_quantity( $item_data->quantity );
+            $item->set_item_meta( $item_data->meta );
 
-			$invoice->add_item( $item );
-		}
+            $invoice->add_item( $item );
+        }
 
-	}
+    }
 
-	/**
+    /**
      * Saves cart details.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function save_items( $invoice ) {
 
-		// Delete previously existing items.
-		$this->delete_items( $invoice );
+        // Delete previously existing items.
+        $this->delete_items( $invoice );
 
-		$table   =  $GLOBALS['wpdb']->prefix . 'getpaid_invoice_items';
+        $table   =  $GLOBALS['wpdb']->prefix . 'getpaid_invoice_items';
 
-		foreach ( $invoice->get_cart_details() as $item_data ) {
-			$item_data = array_map( 'maybe_serialize', $item_data );
-			$GLOBALS['wpdb']->insert( $table, $item_data );
-		}
+        foreach ( $invoice->get_cart_details() as $item_data ) {
+            $item_data = array_map( 'maybe_serialize', $item_data );
+            $GLOBALS['wpdb']->insert( $table, $item_data );
+        }
 
-		wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_cart_details' );
-		do_action( "getpaid_invoice_save_items", $invoice );
+        wp_cache_delete( $invoice->get_id(), 'getpaid_invoice_cart_details' );
+        do_action( "getpaid_invoice_save_items", $invoice );
 
-	}
+    }
 
-	/**
+    /**
      * Deletes an invoice's cart details from the database.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function delete_items( $invoice ) {
-		$table =  $GLOBALS['wpdb']->prefix . 'getpaid_invoice_items';
-		return $GLOBALS['wpdb']->delete( $table, array( 'post_id' => $invoice->get_id() ) );
-	}
+        $table =  $GLOBALS['wpdb']->prefix . 'getpaid_invoice_items';
+        return $GLOBALS['wpdb']->delete( $table, array( 'post_id' => $invoice->get_id() ) );
+    }
 
-	/**
+    /**
      * Deletes an invoice's special fields from the database.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
      */
     public function delete_special_fields( $invoice ) {
-		$table =  $GLOBALS['wpdb']->prefix . 'getpaid_invoices';
-		return $GLOBALS['wpdb']->delete( $table, array( 'post_id' => $invoice->get_id() ) );
-	}
+        $table =  $GLOBALS['wpdb']->prefix . 'getpaid_invoices';
+        return $GLOBALS['wpdb']->delete( $table, array( 'post_id' => $invoice->get_id() ) );
+    }
 	
-	/**
-	 * Get the status to save to the post object.
-	 *
-	 *
-	 * @since 1.0.19
-	 * @param  WPInv_Invoice $object GetPaid_Data object.
-	 * @return string
-	 */
-	protected function get_post_status( $object ) {
-		$object_status = $object->get_status( 'edit' );
-
-		if ( ! $object_status ) {
-			$object_status = $object->get_default_status();
-		}
-
-		return $object_status;
-	}
+    /**
+     * Get the status to save to the post object.
+     *
+     *
+     * @since 1.0.19
+     * @param  WPInv_Invoice $object GetPaid_Data object.
+     * @return string
+     */
+    protected function get_post_status( $object ) {
+        $object_status = $object->get_status( 'edit' );
+
+        if ( ! $object_status ) {
+            $object_status = $object->get_default_status();
+        }
+
+        return $object_status;
+    }
 
 }