public static function init()
{
self::$license_key = trim(get_option(self::LICENSE_KEY_OPTION, ''));
self::$uid = trim(get_option(self::LICENSE_UID_OPTION, 0));
if (is_admin()) {
// AJAX
add_action('wp_ajax_si_get_license', array(__CLASS__, 'maybe_get_free_license'), 10, 0);
}
add_filter('si_get_purchase_link', array(__CLASS__, 'add_uid_to_url'));
add_filter('si_get_sa_link', array(__CLASS__, 'add_uid_to_url'));
// Messaging
add_action('si_settings_page', array(__CLASS__, 'thank_for_registering'), 10, 0);
}
<div class="activate_message clearfix">
<div class="activation_msg clearfix">
<h4><?php
self::_e('Get a free Sprout Apps license instantly...');
?>
</h4>
</div>
<div class="activation_inputs clearfix">
<input type="text" name="<?php
echo SI_Free_License::LICENSE_KEY_OPTION;
?>
" id="<?php
echo SI_Free_License::LICENSE_KEY_OPTION;
?>
" value="<?php
echo SI_Free_License::license_key();
?>
" class="fat-input <?php
echo 'license_' . SI_Free_License::license_status();
?>
" size="40" class="text-input" placeholder="<?php
self::_e('Enter your email.');
?>
">
<button id="free_license" class="button button-primary button-large"><?php
self::_e('Get License');
?>
</button>
<div id="license_message" class="clearfix"></div>
</div>