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persist-admin-notices-dismissal.php
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persist-admin-notices-dismissal.php
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<?php
/**
* Persist Admin notices Dismissal
*
* Copyright (C) 2016 Agbonghama Collins <http://w3guy.com>
*
* 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/>.
*
* @package Persist Admin notices Dismissal
* @author Agbonghama Collins
* @author Andy Fragen
* @license http://www.gnu.org/licenses GNU General Public License
* @version 1.3
*/
/**
* Exit if called directly.
*/
if ( ! defined( 'WPINC' ) ) {
die;
}
if ( ! class_exists( 'PAnD' ) ) {
/**
* Class PAnD
*/
class PAnD {
/**
* Init hooks.
*/
public static function init() {
add_action( 'admin_enqueue_scripts', array( __CLASS__, 'load_script' ) );
add_action( 'wp_ajax_dismiss_admin_notice', array( __CLASS__, 'dismiss_admin_notice' ) );
}
/**
* Enqueue javascript and variables.
*/
public static function load_script() {
wp_enqueue_script(
'dismissible-notices',
plugins_url( 'dismiss-notice.js', __FILE__ ),
array( 'jquery', 'common' ),
false,
true
);
wp_localize_script(
'dismissible-notices',
'dismissible_notice',
array(
'nonce' => wp_create_nonce( 'dismissible-notice' ),
)
);
}
/**
* Handles Ajax request to persist notices dismissal.
* Uses check_ajax_referer to verify nonce.
*/
public static function dismiss_admin_notice() {
$option_name = sanitize_text_field( $_POST['option_name'] );
$dismissible_length = sanitize_text_field( $_POST['dismissible_length'] );
$transient = 0;
if ( 'forever' != $dismissible_length ) {
// If $dismissible_length is not an integer default to 1
$dismissible_length = ( 0 == absint( $dismissible_length ) ) ? 1 : $dismissible_length;
$transient = absint( $dismissible_length ) * DAY_IN_SECONDS;
$dismissible_length = strtotime( absint( $dismissible_length ) . ' days' );
}
check_ajax_referer( 'dismissible-notice', 'nonce' );
set_site_transient( $option_name, $dismissible_length, $transient );
wp_die();
}
/**
* Is admin notice active?
*
* @param string $arg data-dismissible content of notice.
*
* @return bool
*/
public static function is_admin_notice_active( $arg ) {
$array = explode( '-', $arg );
$length = array_pop( $array );
$option_name = implode( '-', $array );
$db_record = get_site_transient( $option_name );
if ( 'forever' == $db_record ) {
return false;
} elseif ( absint( $db_record ) >= time() ) {
return false;
} else {
return true;
}
}
}
}