Created
October 20, 2014 22:11
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A demo WooCommerce plugin
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<?php | |
/** | |
* Plugin Name: WooCommerce Demo Plugin | |
* Plugin URI: https://gist.github.com/BFTrick/3ab411e7cec43eff9769 | |
* Description: A WooCommerce demo plugin | |
* Author: Patrick Rauland | |
* Author URI: http://speakinginbytes.com/ | |
* Version: 1.0 | |
* | |
* This program is free software: you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License as published by | |
* the Free Software Foundation, either version 3 of the License, or | |
* (at your option) any later version. | |
* | |
* This program is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
* GNU General Public License for more details. | |
* | |
* You should have received a copy of the GNU General Public License | |
* along with this program. If not, see <http://www.gnu.org/licenses/>. | |
* | |
*/ | |
if ( ! class_exists( 'WC_Demo_Plugin' ) ) : | |
class WC_Demo_Plugin { | |
protected static $instance = null; | |
/** | |
* Initialize the plugin. | |
* | |
* @since 1.0 | |
*/ | |
private function __construct() { | |
if ( class_exists( 'WooCommerce' ) ) { | |
// print an admin notice to the screen. | |
add_action( 'admin_notices', array( $this, 'my_admin_notice' ) ); | |
} | |
} | |
/** | |
* Print an admin notice | |
* | |
* @since 1.0 | |
*/ | |
public function my_admin_notice() { | |
?> | |
<div class="updated"> | |
<p><?php _e( 'The WooCommerce dummy plugin notice.', 'woocommerce-demo-plugin' ); ?></p> | |
</div> | |
<?php | |
} | |
/** | |
* Return an instance of this class. | |
* | |
* @return object A single instance of this class. | |
* @since 1.0 | |
*/ | |
public static function get_instance() { | |
// If the single instance hasn't been set, set it now. | |
if ( null == self::$instance ) { | |
self::$instance = new self; | |
} | |
return self::$instance; | |
} | |
} | |
add_action( 'init', array( 'WC_Demo_Plugin', 'get_instance' ), 0 ); | |
endif; |
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Using alternative syntax, I'm not sure why.
and