Created
October 8, 2014 21:46
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Add CSS to WooCommerce Emails
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<?php | |
/** | |
* Plugin Name: WooCommerce Add CSS to Emails | |
* Plugin URI: https://gist.github.com/BFTrick/01cc414ee56ce93715ec | |
* Description: Add CSS styles to WooCommerce emails | |
* 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_Add_CSS_To_Email' ) ) : | |
class WC_Add_CSS_To_Email { | |
protected static $instance = null; | |
/** | |
* Initialize the plugin. | |
* | |
* @since 1.0 | |
*/ | |
private function __construct() { | |
if ( class_exists( 'WooCommerce' ) && class_exists( 'WC_Emails' ) ) { | |
// set subject | |
add_filter( 'woocommerce_email_styles', array( $this, 'add_styles' ) ); | |
} | |
} | |
/** | |
* Return the CSS for WooCommerce emails | |
* | |
* @return string css for emails | |
* @since 1.0 | |
*/ | |
public function add_styles( $css ) { | |
$css = $css . "p {color: red}"; | |
return $css; | |
} | |
/** | |
* Return an instance of this class. | |
* | |
* @return object A single instance of this class. | |
* @since 1.0 | |
*/ | |
public static function get_instance() { | |
// If the single instance hasn't been set, set it now. | |
if ( null == self::$instance ) { | |
self::$instance = new self; | |
} | |
return self::$instance; | |
} | |
} | |
add_action( 'admin_init', array( 'WC_Add_CSS_To_Email', 'get_instance' ), 0 ); | |
endif; |
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