AyeCode / invoicing

includes/data/sample-payment-form.php

Spacing +5 added lines, -5 removed lines

@@ -8,7 +8,7 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 return array(
 
@@ -16,7 +16,7 @@ 
 
         'placeholder' => 'jon@snow.com',
         'value'       => '',
-        'label'       => __( 'Billing Email', 'invoicing' ),
+        'label'       => __('Billing Email', 'invoicing'),
         'description' => '',
         'required'    => true,
         'id'          => 'mmdwqzpox',
@@ -38,7 +38,7 @@ 
     ),
 
     array(
-        'text'    => __( 'Select Payment Method', 'invoicing' ),
+        'text'    => __('Select Payment Method', 'invoicing'),
         'id'          => 'gtscicd',
         'name'        => 'gtscicd',
         'type'        => 'gateway_select',
@@ -50,8 +50,8 @@ 
 
         'value'       =>'',
         'class'       => 'btn-primary',
-        'label'       => __( 'Pay Now »', 'invoicing' ),
-        'description' => __( 'By continuing with your payment, you are agreeing to our privacy policy and terms of service.', 'invoicing' ),
+        'label'       => __('Pay Now »', 'invoicing'),
+        'description' => __('By continuing with your payment, you are agreeing to our privacy policy and terms of service.', 'invoicing'),
         'id'          => 'rtqljyy',
         'name'        => 'rtqljyy',
         'type'        => 'pay_button',

templates/payment-forms/elements/pay_button.php

Spacing +6 added lines, -6 removed lines

@@ -7,15 +7,15 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-$class = empty( $class ) ? 'btn-primary' : sanitize_html_class( $class );
+$class = empty($class) ? 'btn-primary' : sanitize_html_class($class);
 echo aui()->input(
     array(
-        'name'       => esc_attr( $id ),
-        'id'         => esc_attr( $id ) . uniqid( '_' ),
-        'value'      => empty( $label ) ? __( 'Proceed to Pay »', 'invoicing' ) : esc_attr( $label ),
-        'help_text'  => empty( $description ) ? '' : wp_kses_post( $description ),
+        'name'       => esc_attr($id),
+        'id'         => esc_attr($id) . uniqid('_'),
+        'value'      => empty($label) ? __('Proceed to Pay »', 'invoicing') : esc_attr($label),
+        'help_text'  => empty($description) ? '' : wp_kses_post($description),
         'type'       => 'submit',
         'class'      => 'getpaid-payment-form-submit btn btn-block submit-button ' . $class,
     )

templates/payment-forms/elements/radio.php

Spacing +7 added lines, -7 removed lines

@@ -7,17 +7,17 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 echo aui()->radio(
     array(
-        'name'       => esc_attr( $id ),
-        'id'         => esc_attr( $id ) . uniqid( '_' ),
-        'required'   => ! empty( $required ),
-        'label'      => empty( $label ) ? '' : wp_kses_post( $label ),
+        'name'       => esc_attr($id),
+        'id'         => esc_attr($id) . uniqid('_'),
+        'required'   => !empty($required),
+        'label'      => empty($label) ? '' : wp_kses_post($label),
         'label_type' => 'vertical',
         'inline'     => false,
-        'options'    => empty( $options ) ? array() : array_combine( $options, $options ),
-        'help_text'  => empty( $description ) ? '' : wp_kses_post( $description ),
+        'options'    => empty($options) ? array() : array_combine($options, $options),
+        'help_text'  => empty($description) ? '' : wp_kses_post($description),
     )
 );

templates/payment-forms/elements/price_select.php

Spacing +33 added lines, -33 removed lines

@@ -7,32 +7,32 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Ensure that we have options.
-if ( empty( $options ) ) {
+if (empty($options)) {
     return;
 }
 
 // Prepare price options.
-$options = getpaid_convert_price_string_to_options( $options );
+$options = getpaid_convert_price_string_to_options($options);
 
 // Prepare id.
-$id = esc_attr( $id );
+$id = esc_attr($id);
 
-$select_type = empty( $select_type ) ? 'select' : $select_type;
+$select_type = empty($select_type) ? 'select' : $select_type;
 
 // Item select;
-if ( $select_type == 'select' ) {
+if ($select_type == 'select') {
     echo aui()->select(
         array(
             'name'       => $id,
-            'id'         => $id . uniqid( '_' ),
-            'placeholder'=> empty( $placeholder ) ? '' : esc_attr( $placeholder ),
-            'label'      => empty( $label ) ? '' : sanitize_text_field( $label ),
+            'id'         => $id . uniqid('_'),
+            'placeholder'=> empty($placeholder) ? '' : esc_attr($placeholder),
+            'label'      => empty($label) ? '' : sanitize_text_field($label),
             'label_type' => 'vertical',
             'class'      => 'getpaid-price-select-dropdown',
-            'help_text'  => empty( $description ) ? '' : wp_kses_post( $description ),
+            'help_text'  => empty($description) ? '' : wp_kses_post($description),
             'options'    => $options,
         )
     );
@@ -40,17 +40,17 @@ 
 }
 
 // Item radios;
-if ( $select_type == 'radios' ) {
+if ($select_type == 'radios') {
     echo aui()->radio(
         array(
-            'name'       => esc_attr( $id ),
-            'id'         => esc_attr( $id ) . uniqid( '_' ),
-            'label'      => empty( $label ) ? '' : sanitize_text_field( $label ),
+            'name'       => esc_attr($id),
+            'id'         => esc_attr($id) . uniqid('_'),
+            'label'      => empty($label) ? '' : sanitize_text_field($label),
             'label_type' => 'vertical',
             'class'      => 'getpaid-price-select-radio',
             'inline'     => false,
             'options'    => $options,
-            'help_text'  => empty( $description ) ? '' : wp_kses_post( $description ),
+            'help_text'  => empty($description) ? '' : wp_kses_post($description),
         )
     );
     return;
@@ -58,32 +58,32 @@ 
 
 
 // Display the label.
-if ( ! empty( $label ) && $select_type != 'select' ) {
-    $label = sanitize_text_field( $label );
+if (!empty($label) && $select_type != 'select') {
+    $label = sanitize_text_field($label);
     echo "<label>$label</label>";
 }
 
 // Item buttons;
-if ( $select_type == 'buttons' || $select_type == 'circles' ) {
+if ($select_type == 'buttons' || $select_type == 'circles') {
 
     $class = 'getpaid-price-buttons';
 
-    if ( $select_type == 'circles' ) {
+    if ($select_type == 'circles') {
         $class .= ' getpaid-price-circles';
     }
     echo "<div class='$class'>";
 
     $processed = 0;
-    foreach ( $options as $price => $label ) {
-        $label   = sanitize_text_field( $label );
-        $price   = esc_attr( $price );
-        $_id     = $id . uniqid( '_' );
-        $checked = checked( $processed, 0, false );
-        $processed ++;
+    foreach ($options as $price => $label) {
+        $label   = sanitize_text_field($label);
+        $price   = esc_attr($price);
+        $_id     = $id . uniqid('_');
+        $checked = checked($processed, 0, false);
+        $processed++;
 
         $class = 'rounded';
 
-        if ( $select_type == 'circles' ) {
+        if ($select_type == 'circles') {
             $class = '';
         }
         echo "
@@ -99,15 +99,15 @@ 
 }
 
 // Item checkboxes;
-if ( $select_type == 'checkboxes' ) {
+if ($select_type == 'checkboxes') {
     echo '<div class="form-group">';
 
     $processed = 0;
-    foreach ( $options as $price => $label ) {
-        $label   = sanitize_text_field( $label );
-        $price   = esc_attr( $price );
-        $checked = checked( $processed, 0, false );
-        $processed ++;
+    foreach ($options as $price => $label) {
+        $label   = sanitize_text_field($label);
+        $price   = esc_attr($price);
+        $checked = checked($processed, 0, false);
+        $processed++;
         echo "
             <label class='d-block'>
                 <input type='checkbox' class='getpaid-price-select-checkbox' name='{$id}[]' value='$price' $checked />
@@ -120,6 +120,6 @@ 
 
 }
 
-if ( ! empty( $description ) ) {
+if (!empty($description)) {
     echo "<small class='form-text text-muted'>$description</small>";
 }

templates/payment-forms/variations/select.php

Spacing +7 added lines, -7 removed lines

@@ -7,17 +7,17 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Prepare the selectable items.
 $selectable = array();
-foreach ( $form->get_items() as $item ) {
-    if ( ! $item->is_required ) {
-        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price( wpinv_format_amount( $item->get_initial_price() ) );
+foreach ($form->get_items() as $item) {
+    if (!$item->is_required) {
+        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price(wpinv_format_amount($item->get_initial_price()));
     }
 }
 
-if ( empty( $selectable ) ) {
+if (empty($selectable)) {
     return;
 }
 
@@ -27,9 +27,9 @@ 
 echo aui()->select(
     array(
         'name'       => 'getpaid-payment-form-selected-item',
-        'id'         => 'getpaid-payment-form-selected-item' . uniqid( '_' ),
+        'id'         => 'getpaid-payment-form-selected-item' . uniqid('_'),
         'required'   => true,
-        'label'      => __( 'Select Item', 'invoicing' ),
+        'label'      => __('Select Item', 'invoicing'),
         'label_type' => 'vertical',
         'inline'     => false,
         'options'    => $selectable,

templates/payment-forms/variations/radio.php

Spacing +7 added lines, -7 removed lines

@@ -7,17 +7,17 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Prepare the selectable items.
 $selectable = array();
-foreach ( $form->get_items() as $item ) {
-    if ( ! $item->is_required ) {
-        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price( wpinv_format_amount( $item->get_initial_price() ) );
+foreach ($form->get_items() as $item) {
+    if (!$item->is_required) {
+        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price(wpinv_format_amount($item->get_initial_price()));
     }
 }
 
-if ( empty( $selectable ) ) {
+if (empty($selectable)) {
     return;
 }
 
@@ -27,9 +27,9 @@ 
 echo aui()->radio(
     array(
         'name'       => 'getpaid-payment-form-selected-item',
-        'id'         => 'getpaid-payment-form-selected-item' . uniqid( '_' ),
+        'id'         => 'getpaid-payment-form-selected-item' . uniqid('_'),
         'required'   => true,
-        'label'      => __( 'Select Item', 'invoicing' ),
+        'label'      => __('Select Item', 'invoicing'),
         'label_type' => 'vertical',
         'inline'     => false,
         'options'    => $selectable,

templates/payment-forms/variations/checkbox.php

Spacing +7 added lines, -7 removed lines

@@ -7,29 +7,29 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Prepare the selectable items.
 $selectable = array();
-foreach ( $form->get_items() as $item ) {
-    if ( ! $item->is_required ) {
-        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price( wpinv_format_amount( $item->get_initial_price() ) );
+foreach ($form->get_items() as $item) {
+    if (!$item->is_required) {
+        $selectable[$item->get_id()] = $item->get_name() . ' — ' . wpinv_price(wpinv_format_amount($item->get_initial_price()));
     }
 }
 
-if ( empty( $selectable ) ) {
+if (empty($selectable)) {
     return;
 }
 
 echo '<div class="getpaid-payment-form-items-checkbox form-group">';
 
-foreach ( $selectable as $item_id => $item_name ) {
+foreach ($selectable as $item_id => $item_name) {
 
     echo aui()->input(
         array(
             'type'       => 'checkbox',
             'name'       => 'getpaid-payment-form-selected-item',
-            'id'         => 'getpaid-payment-form-selected-item' . uniqid( '_' ) . $item_id,
+            'id'         => 'getpaid-payment-form-selected-item' . uniqid('_') . $item_id,
             'label'      => $item_name,
             'value'      => $item_id,
             'no_wrap'    => true,

includes/admin/meta-boxes/class-getpaid-meta-box-invoice-details.php

Spacing +30 added lines, -30 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,13 +21,13 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the invoice.
-        $invoice = new WPInv_Invoice( $post );
+        $invoice = new WPInv_Invoice($post);
 
         // Nonce field.
-        wp_nonce_field( 'wpinv_details', 'wpinv_details_nonce' ) ;
+        wp_nonce_field('wpinv_details', 'wpinv_details_nonce');
 
 
         ?>
@@ -46,10 +46,10 @@ 
 
                 <div class="bsui" style="margin-top: 1.5rem" id="gdmbx2-metabox-wpinv_details">
 
-                    <?php if ( ! $invoice->is_draft() ) : ?>
+                    <?php if (!$invoice->is_draft()) : ?>
                         <div class="form-group">
-                            <strong><?php _e( 'Viewed by Customer:', 'invoicing' );?></strong>
-                            <?php ( $invoice->get_is_viewed() ) ? _e( 'Yes', 'invoicing' ) : _e( 'No', 'invoicing' ); ?>
+                            <strong><?php _e('Viewed by Customer:', 'invoicing'); ?></strong>
+                            <?php ($invoice->get_is_viewed()) ? _e('Yes', 'invoicing') : _e('No', 'invoicing'); ?>
                         </div>
                     <?php endif; ?>
 
@@ -61,11 +61,11 @@ 
                                 'type'        => 'datepicker',
                                 'id'          => 'wpinv_date_created',
                                 'name'        => 'date_created',
-                                'label'       => __( 'Invoice Date:', 'invoicing' ) . getpaid_get_help_tip( __( 'The date this invoice was created. This allows you to backdate an invoice.', 'invoicing' ) ),
+                                'label'       => __('Invoice Date:', 'invoicing') . getpaid_get_help_tip(__('The date this invoice was created. This allows you to backdate an invoice.', 'invoicing')),
                                 'label_type'  => 'vertical',
                                 'placeholder' => 'YYYY-MM-DD 00:00',
                                 'class'       => 'form-control-sm',
-                                'value'       => $invoice->get_date_created( 'edit' ),
+                                'value'       => $invoice->get_date_created('edit'),
                                 'extra_attributes' => array(
                                     'data-enable-time' => 'true',
                                     'data-time_24hr'   => 'true',
@@ -76,37 +76,37 @@ 
                         );
 
                         // Due date.
-                        if ( $invoice->is_type( 'invoice' ) && wpinv_get_option( 'overdue_active' ) && ( $invoice->needs_payment() || $invoice->is_draft() ) ) {
+                        if ($invoice->is_type('invoice') && wpinv_get_option('overdue_active') && ($invoice->needs_payment() || $invoice->is_draft())) {
 
                             echo aui()->input(
                                 array(
                                     'type'        => 'text',
                                     'id'          => 'wpinv_due_date',
                                     'name'        => 'wpinv_due_date',
-                                    'label'       => __( 'Due Date:', 'invoicing' ) . getpaid_get_help_tip( __( 'Leave blank to disable automated reminder emails for this invoice.', 'invoicing' ) ),
+                                    'label'       => __('Due Date:', 'invoicing') . getpaid_get_help_tip(__('Leave blank to disable automated reminder emails for this invoice.', 'invoicing')),
                                     'label_type'  => 'vertical',
-                                    'placeholder' => __( 'No due date', 'invoicing' ),
+                                    'placeholder' => __('No due date', 'invoicing'),
                                     'class'       => 'form-control-sm',
-                                    'value'       => $invoice->get_due_date( 'edit' ),
+                                    'value'       => $invoice->get_due_date('edit'),
                                 )
                             );
 
                         }
 
-                        do_action( 'wpinv_meta_box_details_after_due_date', $invoice->get_id() );
+                        do_action('wpinv_meta_box_details_after_due_date', $invoice->get_id());
                         
                         // Status.
                         echo aui()->select(
                             array(
                                 'id'               => 'wpinv_status',
                                 'name'             => 'wpinv_status',
-                                'label'            => __( 'Invoice Status:', 'invoicing' ),
+                                'label'            => __('Invoice Status:', 'invoicing'),
                                 'label_type'       => 'vertical',
-                                'placeholder'      => __( 'Select Status', 'invoicing' ),
-                                'value'            => $invoice->get_status( 'edit' ),
+                                'placeholder'      => __('Select Status', 'invoicing'),
+                                'value'            => $invoice->get_status('edit'),
                                 'select2'          => true,
                                 'data-allow-clear' => 'false',
-                                'options'          => wpinv_get_invoice_statuses( true )
+                                'options'          => wpinv_get_invoice_statuses(true)
                             )
                         );
 
@@ -116,11 +116,11 @@ 
                                 'type'        => 'text',
                                 'id'          => 'wpinv_number',
                                 'name'        => 'wpinv_number',
-                                'label'       => __( 'Invoice Number:', 'invoicing' ) . getpaid_get_help_tip( __( 'Each invoice number must be unique.', 'invoicing' ) ),
+                                'label'       => __('Invoice Number:', 'invoicing') . getpaid_get_help_tip(__('Each invoice number must be unique.', 'invoicing')),
                                 'label_type'  => 'vertical',
-                                'placeholder' => __( 'Autogenerate', 'invoicing' ),
+                                'placeholder' => __('Autogenerate', 'invoicing'),
                                 'class'       => 'form-control-sm',
-                                'value'       => $invoice->get_number( 'edit' ),
+                                'value'       => $invoice->get_number('edit'),
                             )
                         );
 
@@ -130,25 +130,25 @@ 
                                 'type'        => 'text',
                                 'id'          => 'wpinv_cc',
                                 'name'        => 'wpinv_cc',
-                                'label'       => __( 'Email CC:', 'invoicing' ) . getpaid_get_help_tip( __( 'Enter a comma separated list of other emails that should be notified about the invoice.', 'invoicing' ) ),
+                                'label'       => __('Email CC:', 'invoicing') . getpaid_get_help_tip(__('Enter a comma separated list of other emails that should be notified about the invoice.', 'invoicing')),
                                 'label_type'  => 'vertical',
-                                'placeholder' => __( 'example@gmail.com, example@yahoo.com', 'invoicing' ),
+                                'placeholder' => __('example@gmail.com, example@yahoo.com', 'invoicing'),
                                 'class'       => 'form-control-sm',
-                                'value'       => $invoice->get_email_cc( 'edit' ),
+                                'value'       => $invoice->get_email_cc('edit'),
                             )
                         );
 
-                        do_action( 'wpinv_meta_box_details_inner', $invoice->get_id() );
+                        do_action('wpinv_meta_box_details_inner', $invoice->get_id());
 
                         // Disable taxes.
-                        if ( wpinv_use_taxes() && ! ( $invoice->is_paid() || $invoice->is_refunded() ) ) {
+                        if (wpinv_use_taxes() && !($invoice->is_paid() || $invoice->is_refunded())) {
 
                             echo aui()->input(
                                 array(
                                     'id'          => 'wpinv_taxable',
                                     'name'        => 'disable_taxes',
                                     'type'        => 'checkbox',
-                                    'label'       => __( 'Disable taxes', 'invoicing' ),
+                                    'label'       => __('Disable taxes', 'invoicing'),
                                     'value'       => '1',
                                     'checked'     => (bool) $invoice->get_disable_taxes(),
                                 )
@@ -157,17 +157,17 @@ 
                         }
 
                         // Apply a discount.
-                        if ( $invoice->get_discount_code( 'edit' ) ) {
+                        if ($invoice->get_discount_code('edit')) {
 
                             echo aui()->input(
                                 array(
                                     'type'        => 'text',
                                     'id'          => 'wpinv_discount_code',
                                     'name'        => 'wpinv_discount_code',
-                                    'label'       => __( 'Discount Code:', 'invoicing' ),
+                                    'label'       => __('Discount Code:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'class'       => 'form-control-sm',
-                                    'value'       => $invoice->get_discount_code( 'edit' ),
+                                    'value'       => $invoice->get_discount_code('edit'),
                                     'extra_attributes' => array(
                                         'onclick'  => 'this.select();',
                                         'readonly' => 'true',

includes/wpinv-user-functions.php

Spacing +67 added lines, -67 removed lines

@@ -1,22 +1,22 @@ 
 <?php
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
-function wpinv_get_users_invoices( $user = 0, $number = 20, $pagination = false, $status = 'publish', $orderby = 'ID', $order = 'DESC' ) {
-    if ( empty( $user ) ) {
+function wpinv_get_users_invoices($user = 0, $number = 20, $pagination = false, $status = 'publish', $orderby = 'ID', $order = 'DESC') {
+    if (empty($user)) {
         $user = get_current_user_id();
     }
 
-    if ( empty( $user ) ) {
+    if (empty($user)) {
         return false;
     }
 
-    $args = apply_filters( 'wpinv_get_users_invoices_args', array( 'user' => $user, 'limit' => $number, 'status' => $status, 'paginate' => $pagination, 'orderby' => $orderby, 'order' => $order ) );
+    $args = apply_filters('wpinv_get_users_invoices_args', array('user' => $user, 'limit' => $number, 'status' => $status, 'paginate' => $pagination, 'orderby' => $orderby, 'order' => $order));
     
-    return wpinv_get_invoices( $args );
+    return wpinv_get_invoices($args);
 }
 
-function wpinv_dropdown_users( $args = '' ) {
+function wpinv_dropdown_users($args = '') {
     $defaults = array(
         'show_option_all' => '', 'show_option_none' => '', 'hide_if_only_one_author' => '',
         'orderby' => 'display_name', 'order' => 'ASC',
@@ -27,18 +27,18 @@ 
         'option_none_value' => -1
     );
 
-    $defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
+    $defaults['selected'] = is_author() ? get_query_var('author') : 0;
 
-    $r = wp_parse_args( $args, $defaults );
+    $r = wp_parse_args($args, $defaults);
 
-    $query_args = wp_array_slice_assoc( $r, array( 'blog_id', 'include', 'exclude', 'orderby', 'order', 'who' ) );
+    $query_args = wp_array_slice_assoc($r, array('blog_id', 'include', 'exclude', 'orderby', 'order', 'who'));
 
-    $fields = array( 'ID', 'user_login', 'user_email' );
+    $fields = array('ID', 'user_login', 'user_email');
 
-    $show = ! empty( $r['show'] ) ? $r['show'] : 'display_name';
-    if ( 'display_name_with_login' === $show ) {
+    $show = !empty($r['show']) ? $r['show'] : 'display_name';
+    if ('display_name_with_login' === $show) {
         $fields[] = 'display_name';
-    } else if ( 'display_name_with_email' === $show ) {
+    } else if ('display_name_with_email' === $show) {
         $fields[] = 'display_name';
     } else {
         $fields[] = $show;
@@ -50,99 +50,99 @@ 
     $show_option_none = $r['show_option_none'];
     $option_none_value = $r['option_none_value'];
 
-    $query_args = apply_filters( 'wpinv_dropdown_users_args', $query_args, $r );
+    $query_args = apply_filters('wpinv_dropdown_users_args', $query_args, $r);
 
-    $users = get_users( $query_args );
+    $users = get_users($query_args);
 
     $output = '';
-    if ( ! empty( $users ) && ( empty( $r['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) {
-        $name = esc_attr( $r['name'] );
-        if ( $r['multi'] && ! $r['id'] ) {
+    if (!empty($users) && (empty($r['hide_if_only_one_author']) || count($users) > 1)) {
+        $name = esc_attr($r['name']);
+        if ($r['multi'] && !$r['id']) {
             $id = '';
         } else {
-            $id = $r['id'] ? " id='" . esc_attr( $r['id'] ) . "'" : " id='$name'";
+            $id = $r['id'] ? " id='" . esc_attr($r['id']) . "'" : " id='$name'";
         }
         $output = "<select name='{$name}'{$id} class='" . $r['class'] . "'>\n";
 
-        if ( $show_option_all ) {
+        if ($show_option_all) {
             $output .= "\t<option value='0'>$show_option_all</option>\n";
         }
 
-        if ( $show_option_none ) {
-            $_selected = selected( $option_none_value, $r['selected'], false );
-            $output .= "\t<option value='" . esc_attr( $option_none_value ) . "'$_selected>$show_option_none</option>\n";
+        if ($show_option_none) {
+            $_selected = selected($option_none_value, $r['selected'], false);
+            $output .= "\t<option value='" . esc_attr($option_none_value) . "'$_selected>$show_option_none</option>\n";
         }
 
-        if ( $r['include_selected'] && ( $r['selected'] > 0 ) ) {
+        if ($r['include_selected'] && ($r['selected'] > 0)) {
             $found_selected = false;
             $r['selected'] = (int) $r['selected'];
-            foreach ( (array) $users as $user ) {
+            foreach ((array) $users as $user) {
                 $user->ID = (int) $user->ID;
-                if ( $user->ID === $r['selected'] ) {
+                if ($user->ID === $r['selected']) {
                     $found_selected = true;
                 }
             }
 
-            if ( ! $found_selected ) {
-                $users[] = get_userdata( $r['selected'] );
+            if (!$found_selected) {
+                $users[] = get_userdata($r['selected']);
             }
         }
 
-        foreach ( (array) $users as $user ) {
-            if ( 'display_name_with_login' === $show ) {
+        foreach ((array) $users as $user) {
+            if ('display_name_with_login' === $show) {
                 /* translators: 1: display name, 2: user_login */
-                $display = sprintf( _x( '%1$s (%2$s)', 'user dropdown' ), $user->display_name, $user->user_login );
-            } elseif ( 'display_name_with_email' === $show ) {
+                $display = sprintf(_x('%1$s (%2$s)', 'user dropdown'), $user->display_name, $user->user_login);
+            } elseif ('display_name_with_email' === $show) {
                 /* translators: 1: display name, 2: user_email */
-                if ( $user->display_name == $user->user_email ) {
+                if ($user->display_name == $user->user_email) {
                     $display = $user->display_name;
                 } else {
-                    $display = sprintf( _x( '%1$s (%2$s)', 'user dropdown' ), $user->display_name, $user->user_email );
+                    $display = sprintf(_x('%1$s (%2$s)', 'user dropdown'), $user->display_name, $user->user_email);
                 }
-            } elseif ( ! empty( $user->$show ) ) {
+            } elseif (!empty($user->$show)) {
                 $display = $user->$show;
             } else {
                 $display = '(' . $user->user_login . ')';
             }
 
-            $_selected = selected( $user->ID, $r['selected'], false );
-            $output .= "\t<option value='$user->ID'$_selected>" . esc_html( $display ) . "</option>\n";
+            $_selected = selected($user->ID, $r['selected'], false);
+            $output .= "\t<option value='$user->ID'$_selected>" . esc_html($display) . "</option>\n";
         }
 
         $output .= "</select>";
     }
 
-    $html = apply_filters( 'wpinv_dropdown_users', $output );
+    $html = apply_filters('wpinv_dropdown_users', $output);
 
-    if ( $r['echo'] ) {
+    if ($r['echo']) {
         echo $html;
     }
     return $html;
 }
 
-function wpinv_guest_redirect( $redirect_to, $user_id = 0 ) {
-    if ( (int)wpinv_get_option( 'guest_checkout' ) && $user_id > 0 ) {
-        wpinv_login_user( $user_id );
+function wpinv_guest_redirect($redirect_to, $user_id = 0) {
+    if ((int) wpinv_get_option('guest_checkout') && $user_id > 0) {
+        wpinv_login_user($user_id);
     } else {
-        $redirect_to = wp_login_url( $redirect_to );
+        $redirect_to = wp_login_url($redirect_to);
     }
     
-    $redirect_to = apply_filters( 'wpinv_invoice_link_guest_redirect', $redirect_to, $user_id );
+    $redirect_to = apply_filters('wpinv_invoice_link_guest_redirect', $redirect_to, $user_id);
     
-    wp_redirect( $redirect_to );
+    wp_redirect($redirect_to);
 }
 
-function wpinv_login_user( $user_id ) {
-    if ( is_user_logged_in() ) {
+function wpinv_login_user($user_id) {
+    if (is_user_logged_in()) {
         return true;
     }
     
-    $user = get_user_by( 'id', $user_id );
+    $user = get_user_by('id', $user_id);
     
-    if ( !empty( $user ) && !is_wp_error( $user ) && !empty( $user->user_login ) ) {
-        wp_set_current_user( $user_id, $user->user_login );
-        wp_set_auth_cookie( $user_id );
-        do_action( 'wp_login', $user->user_login );
+    if (!empty($user) && !is_wp_error($user) && !empty($user->user_login)) {
+        wp_set_current_user($user_id, $user->user_login);
+        wp_set_auth_cookie($user_id);
+        do_action('wp_login', $user->user_login);
         
         return true;
     }
@@ -157,9 +157,9 @@ 
  * @return string capability to check against
  * @param string $capalibilty Optional. The alternative capability to check against.
  */
-function wpinv_get_capability( $capalibilty = 'manage_invoicing' ) {
+function wpinv_get_capability($capalibilty = 'manage_invoicing') {
 
-	if ( current_user_can( 'manage_options' ) ) {
+	if (current_user_can('manage_options')) {
 		return 'manage_options';
 	};
 
@@ -173,7 +173,7 @@ 
  * @return bool
  */
 function wpinv_current_user_can_manage_invoicing() {
-    return current_user_can( wpinv_get_capability() );
+    return current_user_can(wpinv_get_capability());
 }
 
 /**
@@ -182,17 +182,17 @@ 
  * @since 1.0.19
  * @return int|WP_Error
  */
-function wpinv_create_user( $email ) {
+function wpinv_create_user($email) {
 
     // Prepare user values.
 	$args = array(
-		'user_login' => wpinv_generate_user_name( $email ),
+		'user_login' => wpinv_generate_user_name($email),
 		'user_pass'  => wp_generate_password(),
 		'user_email' => $email,
         'role'       => 'subscriber',
     );
 
-    return wp_insert_user( $args );
+    return wp_insert_user($args);
 
 }
 
@@ -202,22 +202,22 @@ 
  * @since 1.0.19
  * @return bool|WP_User
  */
-function wpinv_generate_user_name( $prefix = '' ) {
+function wpinv_generate_user_name($prefix = '') {
 
     // If prefix is an email, retrieve the part before the email.
-	$prefix = strtok( $prefix, '@' );
+	$prefix = strtok($prefix, '@');
 
 	// Trim to 4 characters max.
-	$prefix = sanitize_user( $prefix );
+	$prefix = sanitize_user($prefix);
 
-	$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
-	if ( empty( $prefix ) || in_array( strtolower( $prefix ), array_map( 'strtolower', $illegal_logins ), true ) ) {
+	$illegal_logins = (array) apply_filters('illegal_user_logins', array());
+	if (empty($prefix) || in_array(strtolower($prefix), array_map('strtolower', $illegal_logins), true)) {
 		$prefix = 'gtp';
 	}
 
-	$username = $prefix . '_' . zeroise( wp_rand( 0, 9999 ), 4 );
-	if ( username_exists( $username ) ) {
-		return wpinv_generate_user_name( $username );
+	$username = $prefix . '_' . zeroise(wp_rand(0, 9999), 4);
+	if (username_exists($username)) {
+		return wpinv_generate_user_name($username);
 	}
 
     return $username;