picocodes

<?php

add_filter(
			'getpaid_invoice_email_recipients',
			function( $recipients, $email ) {
				if ( 'completed_invoice' === $email->id ) {
					$recipients[] = 'accounting@example.com';
				}

				return $recipients;

picocodes

<?php

add_filter( 'getpaid_invoice_totals_rows', function( $totals, $invoice ) {

    $discount = $invoice->get_discount_code();
    if ( ! empty( $discount ) ) {
        $totals['discount'] .= ' (' . $discount . ')';
    }

    return $totals;

picocodes

<?php

// Add discount column.
		add_filter( 'manage_wpi_invoice_posts_columns', function( $columns ) {
			$columns['discount_code'] = __( 'Discount Code', 'invoicing' );
			return $columns;
		}, 999 );

		// Display discount column.
		add_action( 'manage_wpi_invoice_posts_custom_column', function( $column_name, $post_id ) {

picocodes

<?php

// Give free trials until 2023-09-02.
$GLOBALS['wpinv_trial_ends'] = '2023-09-02';

if ( time() < strtotime( $GLOBALS['wpinv_trial_ends'] ) ) {

    // Allow free trials.
    add_filter(
        'wpinv_get_item_is_free_trial',

picocodes

<?php

add_action(
    'getpaid_submissions_process_items',
    function( &$submission ) {
        /**@var GetPaid_Payment_Form_Submission $submission */
        $percent = 5 / 100; // 5% processing fee.

        $submission->remove_fee( 'Processing Fee' );
        $submission->add_fee(

picocodes

<?php
/**
 * Contains the zone template.
 *
 * You can override this template by copying it to your-theme/gpa/zone.php
 *
 * @var Adv_Zone_Template $zone The zone to display.
 */

defined( 'ABSPATH' ) || exit;

picocodes

<?php
  add_action(
            'getpaid_subscription_status_changed',
            function( $subscription ) {
                $user = $subscription->get_customer();

                if ( empty( $user ) ) {
                    return;
                }
        

picocodes

<?php

add_shortcode( 'gd_qr_code', 'gd_qr_code_shortcode' );
function gd_qr_code_shortcode( $atts ) {
    $atts = shortcode_atts(
        array(
            'url'   => '',
            'size'  => '150',
            'alt'   => '',
            'class' => 'img-responsive',

picocodes

<?php

/**
 * Creates a custom meta box.
 *
 * @param string   $post_type Post type.
 * @param WP_Post $post Post.
 */
function prefix_add_meta_box( $post_type, $post ) {

picocodes

<?php

// If next year is not yet here...
if ( (int) date( 'Y' ) < 2022 ) {

    // ... then give a 50% discount on the initial item price...
    add_filter( 'wpinv_get_initial_item_price', function( $price ) {
        global $wpdb;

        // ... unless he/she is not a first time customer.