jan-koch

function wpi_s2_payment_notification() {

    if ( !empty( $_GET['yourauthenticationtoken']) && 'yes' === $_GET['yourauthenticationtoken'] ) {
        // in the URL, I have '?yourauthenticationtoken=yes', that's what I'm looking for here.
        
        // make sure the request comes from a valid user
        if ( !empty( $_GET['user_id'] ) ) {

            // Load the user data for the new license
            $user_id    = (integer) esc_attr( $_GET['user_id'] );

jan-koch

function wpi_s2_cancellation_notification() {

    if ( !empty( $_GET['yourauthenticationtoken']) && 'yes' === $_GET['yourauthenticationtoken'] ) {
        // in the URL, I have '?yourauthenticationtoken=yes', that's what I'm looking for here.

        // Only process requests for valid users
        if ( !empty( $_GET['user_id'] ) ) {

            $user_id    = (integer) esc_attr( $_GET['user_id'] );
            $user       = new WP_User($user_id);

jan-koch

function wpi_check_with_license_server() {
	$license = get_option( 'youroptionfield' );
	
	$api_params = array(
		'slm_action' => 'slm_check',
		'secret_key' => VALIDATION_KEY,
		'license_key' => $license,
	);
		
	// Send query to the license manager server

jan-koch

This is my gist content. Just a test :)

jan-koch

<?php
function prefix_add_text_input() {
  $args = array(
    'label' => '', // Text in the label in the editor.
    'placeholder' => '', // Give examples or suggestions as placeholder
    'class' => '',
    'style' => '',
    'wrapper_class' => '',
    'value' => '', // if empty, retrieved from post_meta
    'id' => '', // required, will be used as meta_key

jan-koch

<?php
function prefix_add_textarea() {

  $args = array(
    'label' => '', // Text in the label in the editor view
    'placeholder' => '', // Give advice or examples as placeholder
    'class' => '',
    'style' => '',
    'wrapper_class' => '',
    'value' => '', // if empty, will be loaded as meta_value for the meta_key with the given id

jan-koch

<?php
function prefix_add_selectbox() {
  $args = array(
    'id' => 'my_new_select', // required. The meta_key ID for the stored value
    'wrapper_class' => '', // a custom wrapper class if needed
    'desc_tip' => true, // makes your description show up with a "?" symbol and as a tooltip
    'description' => __('My awesome select box', 'your_text_domain'),
    'label' => __( 'My New Select', 'your_text_domain' ),
    'options' => array(
      'value1' => __( 'Text 1', 'your_text_domain' ),

jan-koch

<?php
function prefix_add_radio_buttons() {
  $args = array(
    'label' => '', // Text in the label in the editor
    'class' => 'prefix_radio', // custom class
    'style' => '', 
    'wrapper_class' => '', // custom wrapper class
    'value' => '', // if empty, retrieved from meta_value where id is the meta_key
    'id' => '', // required, will be used as meta_key for this field
    'name' => 'my_radio_buttons', // required if you want only one option to be selected at a time

jan-koch

<?php
function prefix_add_hidden_input() {
  $args = array(
    'value' => '', // meta_value, meta_key is the id
    'class' => '',
    'id' => '' // required, makes the meta_key for storing the value
  );
  woocommerce_wp_hidden_input( $args );
}

jan-koch

<?php
function prefix_add_checkbox() {
  $args = array(
    'label' => '', // Text in the editor label
    'class' => '',
    'style' => '',
    'wrapper_class' => '', // custom CSS class for styling
    'value' => '', // meta_value where the id serves as meta_key
    'id' => '', // required, it's the meta_key for storing the value (is checked or not)
    'name' => '',