gistfile1.txt

function register_settings()
{

    register_setting('test_software_39','test_software_39',array($this,'plugin_maintenance'));

}

function plugin_maintenance_test_software_39($options)
{

    if(isset($options) AND $options['license_key']!='')
    {
        $settings['license_key'] = $options['license_key'];

        $license = $options['license_key'];

        $api_params = array('action' => 'activate_license','license' => $license,'item_name' => urlencode('%slu2g%'),'domain' => $_SERVER['SERVER_NAME']);

        $response = wp_remote_get(add_query_arg($api_params,'http://www.licenseengine.com/licenses/a/'),array('timeout' => 15,'sslverify' => false));

        if(is_wp_error($response))
        {
            return false;
        }
        $license_data = json_decode(wp_remote_retrieve_body($response));

        if(!empty($license_data) AND $license_data->license=='valid')
        {
            $data = array('timestamp' => time());

            update_option('test_software_39-lks',serialize($data));

            return $settings;
        }
        elseif(!empty($license_data) AND $license_data->license=='invalid')
        {
            update_option('test_software_39-lks',$license_data->license);

            return $settings;
        }
        else
        {
            return false;
        }

    }
}

function get_all_options_test_software_39()
{

    $l = get_option('test_software_39');

    $v = get_option('test_software_39-lks');

    $u = FALSE;
    if(isset($v))
    {
        $data = unserialize($v);
        if($data['timestamp']>time()-24*60*60)
        {
            return true;
        }
    }
    if($u===FALSE)
    {
        $api_params = array('action' => 'activate_license','license' => $l['license_key'],'item_name' => 'test_software_39','domain' => urlencode($_SERVER['SERVER_NAME']));

        $response = wp_remote_get(add_query_arg($api_params,'http://www.licenseengine.com/licenses/a/'),array('timeout' => 15,'sslverify' => false));


        if(is_wp_error($response))
        {
            return false;
        }

        $license_data = json_decode(wp_remote_retrieve_body($response));

        if(!empty($license_data) AND $license_data->license=='valid')
        {
            $data = array('timestamp' => time());

            update_option('test_software_39-lks',serialize($data));

            return true;
        }
        elseif(!empty($license_data) AND $license_data->license=='invalid')
        {
            update_option('test_software_39-lks',$license_data->license);

            return false;
        }
        else
        {
            return false;
        }
    }
}

function start_up_test_software_39()
{

    $status = $this->get_all_options();

    if($status==false AND $_GET['post_type']=='lkp')
    {
        ?>
        <div class="alert alert-error" style="margin-top:10px;color:red">
            Your License Key is NOT Valid.
        </div>
        <div class="hero-unit" style="padding: 15px; font-size: 14px;">

            <h4><?php _e('Plugin License'); ?></h4>

            <form method="post" action="options.php" enctype="multipart/form-data" id="license_key">

                <?php settings_fields('test_software_39'); ?>

                <div class="button-container">
                    <label class="contrli-label" style="padding-top:6px;text-align: left;width:25%;">License Key</label>

                    <input id="license_key" name="test_software_39[license_key]" type="text" class="input-xlarge" style="margin:0 15px;" placeholder="Enter Your License Key" value=""/>
                    <input type="submit" value="Save" id="save_button" class="button action"/>
                </div>
            </form>
                    <div style="margin-top:10px;margin-left:185px;"><img src="//www.licenseengine.com/assets/img/poweredbylicenseengineajvzoocompany.png"></div>
        </div>
        <?php
        die();
    }

}

add_action('admin_init','register_settings');