<?php

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/**

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* @package Freemius

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* @copyright Copyright (c) 2015, Freemius, Inc.

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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3

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* @since 1.0.7

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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class FS_Admin_Notice_Manager {

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/**

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* @since 1.2.2

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*

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* @var string

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*/

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protected $_module_unique_affix;

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/**

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* @var string

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*/

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protected $_id;

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/**

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* @var string

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*/

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protected $_title;

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/**

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* @var array[string]array

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*/

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private $_notices = array();

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/**

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* @var FS_Key_Value_Storage

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*/

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private $_sticky_storage;

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/**

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* @var FS_Logger

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*/

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protected $_logger;

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/**

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* @since 2.0.0

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* @var int The ID of the blog that is associated with the current site level admin notices.

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*/

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private $_blog_id = 0;

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/**

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* @since 2.0.0

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* @var bool

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*/

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private $_is_network_notices;

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/**

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* @var FS_Admin_Notice_Manager[]

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*/

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private static $_instances = array();

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/**

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* @param string $id

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* @param string $title

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* @param string $module_unique_affix

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* @param bool $is_network_and_blog_admins Whether or not the message should be shown both on

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* network and blog admin pages.

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* @param bool $network_level_or_blog_id Since 2.0.0

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*

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* @return \FS_Admin_Notice_Manager

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*/

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static function instance(

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$id,

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$title = '',

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$module_unique_affix = '',

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$is_network_and_blog_admins = false,

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$network_level_or_blog_id = false

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) {

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if ( $is_network_and_blog_admins ) {

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$network_level_or_blog_id = true;

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}

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$key = strtolower( $id );

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if ( is_multisite() ) {

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if ( true === $network_level_or_blog_id ) {

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$key .= ':ms';

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} else if ( is_numeric( $network_level_or_blog_id ) && $network_level_or_blog_id > 0 ) {

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$key .= ":{$network_level_or_blog_id}";

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} else {

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$network_level_or_blog_id = get_current_blog_id();

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$key .= ":{$network_level_or_blog_id}";

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}

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}

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if ( ! isset( self::$_instances[ $key ] ) ) {

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self::$_instances[ $key ] = new FS_Admin_Notice_Manager(

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$id,

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$title,

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$module_unique_affix,

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$is_network_and_blog_admins,

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$network_level_or_blog_id

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);

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}

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return self::$_instances[ $key ];

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}

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/**

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* @param string $id

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* @param string $title

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* @param string $module_unique_affix

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* @param bool $is_network_and_blog_admins Whether or not the message should be shown both on network and

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* blog admin pages.

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* @param bool|int $network_level_or_blog_id

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*/

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protected function __construct(

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$id,

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$title = '',

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$module_unique_affix = '',

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$is_network_and_blog_admins = false,

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$network_level_or_blog_id = false

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) {

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$this->_id = $id;

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$this->_logger = FS_Logger::get_logger( WP_FS__SLUG . '_' . $this->_id . '_data', WP_FS__DEBUG_SDK, WP_FS__ECHO_DEBUG_SDK );

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$this->_title = ! empty( $title ) ? $title : '';

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$this->_module_unique_affix = $module_unique_affix;

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$this->_sticky_storage = FS_Key_Value_Storage::instance( 'admin_notices', $this->_id, $network_level_or_blog_id );

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if ( is_multisite() ) {

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$this->_is_network_notices = ( true === $network_level_or_blog_id );

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if ( is_numeric( $network_level_or_blog_id ) ) {

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$this->_blog_id = $network_level_or_blog_id;

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}

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} else {

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$this->_is_network_notices = false;

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}

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$is_network_admin = fs_is_network_admin();

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$is_blog_admin = fs_is_blog_admin();

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if ( ( $this->_is_network_notices && $is_network_admin ) ||

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( ! $this->_is_network_notices && $is_blog_admin ) ||

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( $is_network_and_blog_admins && ( $is_network_admin || $is_blog_admin ) )

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) {

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if ( 0 < count( $this->_sticky_storage ) ) {

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$ajax_action_suffix = str_replace( ':', '-', $this->_id );

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// If there are sticky notices for the current slug, add a callback

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// to the AJAX action that handles message dismiss.

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add_action( "wp_ajax_fs_dismiss_notice_action_{$ajax_action_suffix}", array(

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&$this,

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'dismiss_notice_ajax_callback'

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) );

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foreach ( $this->_sticky_storage as $msg ) {

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// Add admin notice.

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$this->add(

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$msg['message'],

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$msg['title'],

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$msg['type'],

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true,

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$msg['id'],

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false,

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isset( $msg['wp_user_id'] ) ? $msg['wp_user_id'] : null,

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! empty( $msg['plugin'] ) ? $msg['plugin'] : null,

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$is_network_and_blog_admins,

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isset( $msg['dismissible'] ) ?

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$msg['dismissible'] :

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null

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);

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}

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}

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}

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}

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/**

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* Remove sticky message by ID.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*

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*/

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function dismiss_notice_ajax_callback() {

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check_admin_referer( 'fs_dismiss_notice_action' );

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if ( ! is_numeric( $_POST['message_id'] ) ) {

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$this->_sticky_storage->remove( $_POST['message_id'] );

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}

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wp_die();

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}

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/**

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* Rendered sticky message dismiss JavaScript.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*/

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static function _add_sticky_dismiss_javascript() {

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$params = array();

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fs_require_once_template( 'sticky-admin-notice-js.php', $params );

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}

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private static $_added_sticky_javascript = false;

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/**

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* Hook to the admin_footer to add sticky message dismiss JavaScript handler.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*/

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private static function has_sticky_messages() {

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if ( ! self::$_added_sticky_javascript ) {

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add_action( 'admin_footer', array( 'FS_Admin_Notice_Manager', '_add_sticky_dismiss_javascript' ) );

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}

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}

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/**

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* Handle admin_notices by printing the admin messages stacked in the queue.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.4

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*

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*/

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function _admin_notices_hook() {

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if ( function_exists( 'current_user_can' ) &&

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! current_user_can( 'manage_options' )

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) {

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// Only show messages to admins.

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return;

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}

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foreach ( $this->_notices as $id => $msg ) {

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if ( isset( $msg['wp_user_id'] ) && is_numeric( $msg['wp_user_id'] ) ) {

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if ( get_current_user_id() != $msg['wp_user_id'] ) {

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continue;

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}

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}

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/**

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* Added a filter to control the visibility of admin notices.

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*

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* Usage example:

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*

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* /**

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* * @param bool $show

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* * @param array $msg {

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* * @var string $message The actual message.

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* * @var string $title An optional message title.

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* * @var string $type The type of the message ('success', 'update', 'warning', 'promotion').

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* * @var string $id The unique identifier of the message.

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* * @var string $manager_id The unique identifier of the notices manager. For plugins it would be the plugin's slug, for themes - `<slug>-theme`.

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* * @var string $plugin The product's title.

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* * @var string $wp_user_id An optional WP user ID that this admin notice is for.

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* * }

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* *

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* * @return bool

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* *\/

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* function my_custom_show_admin_notice( $show, $msg ) {

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* if ('trial_promotion' != $msg['id']) {

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* return false;

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* }

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*

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* return $show;

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* }

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*

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* my_fs()->add_filter( 'show_admin_notice', 'my_custom_show_admin_notice', 10, 2 );

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*

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* @author Vova Feldman

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* @since 2.2.0

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*/

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$show_notice = call_user_func_array( 'fs_apply_filter', array(

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$this->_module_unique_affix,

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'show_admin_notice',

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$this->show_admin_notices(),

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$msg

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) );

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if ( true !== $show_notice ) {

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continue;

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}

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fs_require_template( 'admin-notice.php', $msg );

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if ( $msg['sticky'] ) {

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self::has_sticky_messages();

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}

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}

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}

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/**

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* Enqueue common stylesheet to style admin notice.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*/

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function _enqueue_styles() {

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fs_enqueue_local_style( 'fs_common', '/admin/common.css' );

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}

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/**

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* Check if the current page is the Gutenberg block editor.

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*

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* @author Vova Feldman (@svovaf)

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* @since 2.2.3

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*

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* @return bool

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*/

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function is_gutenberg_page() {

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if ( function_exists( 'is_gutenberg_page' ) &&

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is_gutenberg_page()

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) {

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// The Gutenberg plugin is on.

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return true;

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}

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$current_screen = get_current_screen();

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if ( method_exists( $current_screen, 'is_block_editor' ) &&

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$current_screen->is_block_editor()

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) {

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// Gutenberg page on 5+.

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return true;

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}

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return false;

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}

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/**

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* Check if admin notices should be shown on page. E.g., we don't want to show notices in the Visual Editor.

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*

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* @author Xiaheng Chen (@xhchen)

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* @since 2.4.2

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*

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* @return bool

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*/

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function show_admin_notices() {

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global $pagenow;

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if ( 'about.php' === $pagenow ) {

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// Don't show admin notices on the About page.

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return false;

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}

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if ( $this->is_gutenberg_page() ) {

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// Don't show admin notices in Gutenberg (visual editor).

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return false;

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}

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return true;

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}

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/**

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* Add admin message to admin messages queue, and hook to admin_notices / all_admin_notices if not yet hooked.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.4

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*

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* @param string $message

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* @param string $title

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* @param string $type

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* @param bool $is_sticky

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* @param string $id Message ID

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* @param bool $store_if_sticky

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* @param number|null $wp_user_id

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* @param string|null $plugin_title

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* @param bool $is_network_and_blog_admins Whether or not the message should be shown both on network

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* and blog admin pages.

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* @param bool|null $is_dismissible

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* @param array $data

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*

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* @uses add_action()

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*/

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function add(

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$message,

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$title = '',

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$type = 'success',

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$is_sticky = false,

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$id = '',

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$store_if_sticky = true,

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$wp_user_id = null,

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$plugin_title = null,

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$is_network_and_blog_admins = false,

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$is_dismissible = null,

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$data = array()

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) {

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$notices_type = $this->get_notices_type();

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if ( empty( $this->_notices ) ) {

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if ( ! $is_network_and_blog_admins ) {

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add_action( $notices_type, array( &$this, "_admin_notices_hook" ) );

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} else {

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add_action( 'network_admin_notices', array( &$this, "_admin_notices_hook" ) );

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add_action( 'admin_notices', array( &$this, "_admin_notices_hook" ) );

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}

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add_action( 'admin_enqueue_scripts', array( &$this, '_enqueue_styles' ) );

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}

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if ( '' === $id ) {

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$id = md5( $title . ' ' . $message . ' ' . $type );

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}

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$message_object = array(

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'message' => $message,

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'title' => $title,

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'type' => $type,

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'sticky' => $is_sticky,

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'id' => $id,

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'manager_id' => $this->_id,

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'plugin' => ( ! is_null( $plugin_title ) ? $plugin_title : $this->_title ),

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'wp_user_id' => $wp_user_id,

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'dismissible' => $is_dismissible,

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'data' => $data

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);

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if ( $is_sticky && $store_if_sticky ) {

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$this->_sticky_storage->{$id} = $message_object;

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}

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$this->_notices[ $id ] = $message_object;

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}

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/**

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*

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* @param string|string[] $ids

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* @param bool $store

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*/

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function remove_sticky( $ids, $store = true ) {

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if ( ! is_array( $ids ) ) {

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$ids = array( $ids );

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}

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foreach ( $ids as $id ) {

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// Remove from sticky storage.

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$this->_sticky_storage->remove( $id, $store );

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if ( isset( $this->_notices[ $id ] ) ) {

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unset( $this->_notices[ $id ] );

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}

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}

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}

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[441] Fix | Delete

/**

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* Check if sticky message exists by id.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.9

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*

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* @param $id

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*

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* @return bool

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*/

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function has_sticky( $id ) {

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return isset( $this->_sticky_storage[ $id ] );

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}

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[455] Fix | Delete

/**

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* Adds sticky admin notification.

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*

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* @author Vova Feldman (@svovaf)

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* @since 1.0.7

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*

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* @param string $message

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* @param string $id Message ID

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* @param string $title

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* @param string $type

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* @param number|null $wp_user_id

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* @param string|null $plugin_title

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* @param bool $is_network_and_blog_admins Whether or not the message should be shown both on network

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* and blog admin pages.

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* @param bool $is_dimissible

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* @param array $data

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*/

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function add_sticky( $message, $id, $title = '', $type = 'success', $wp_user_id = null, $plugin_title = null, $is_network_and_blog_admins = false, $is_dimissible = true, $data = array() ) {

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if ( ! empty( $this->_module_unique_affix ) ) {

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$message = fs_apply_filter( $this->_module_unique_affix, "sticky_message_{$id}", $message );

[475] Fix | Delete

$title = fs_apply_filter( $this->_module_unique_affix, "sticky_title_{$id}", $title );

[476] Fix | Delete

}

[477] Fix | Delete

[478] Fix | Delete

$this->add( $message, $title, $type, true, $id, true, $wp_user_id, $plugin_title, $is_network_and_blog_admins, $is_dimissible, $data );

[479] Fix | Delete

}

[480] Fix | Delete

[481] Fix | Delete

/**

[482] Fix | Delete

* Retrieves the data of an sticky notice.

[483] Fix | Delete

*

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* @author Leo Fajardo (@leorw)

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* @since 2.4.3

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*

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* @param string $id Message ID.

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*

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* @return array|null

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*/

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function get_sticky( $id ) {

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return isset( $this->_sticky_storage->{$id} ) ?

[493] Fix | Delete

$this->_sticky_storage->{$id} :

[494] Fix | Delete

null;

[495] Fix | Delete

}

[496] Fix | Delete

[497] Fix | Delete

/**

[498] Fix | Delete

* Clear all sticky messages.

[499] Fix | Delete