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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>PoweredCache Hooks: Source: admin/notices.php</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: admin/notices.php</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code><?php
/**
* Admin Notices
*
* @package PoweredCache
*/
namespace PoweredCache\Admin\Notices;
use function PoweredCache\Utils\can_configure_htaccess;
use function PoweredCache\Utils\can_configure_object_cache;
use function PoweredCache\Utils\can_control_all_settings;
use function PoweredCache\Utils\get_object_cache_dropins;
use function PoweredCache\Utils\is_premium;
use const PoweredCache\Constants\PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT;
/**
* Default setup routine
*
* @return void
*/
function setup() {
if ( POWERED_CACHE_IS_NETWORK ) {
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_plugin_compatibility_notices' );
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_advanced_cache_notices' );
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_object_cache_notices' );
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_htaccess_notice' );
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_purge_cache_plugin_notice' );
add_action( 'network_admin_notices', __NAMESPACE__ . '\\maybe_display_dev_mode_notice' );
} else {
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_plugin_compatibility_notices' );
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_advanced_cache_notices' );
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_object_cache_notices' );
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_htaccess_notice' );
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_purge_cache_plugin_notice' );
add_action( 'admin_notices', __NAMESPACE__ . '\\maybe_display_dev_mode_notice' );
}
add_action( 'activated_plugin', __NAMESPACE__ . '\\observe_plugin_changes', 10, 2 );
add_action( 'deactivated_plugin', __NAMESPACE__ . '\\observe_plugin_changes', 10, 2 );
add_action( 'admin_post_powered_cache_dismiss_notice', __NAMESPACE__ . '\\dismiss_notice' );
add_action( 'wp_ajax_powered_cache_dismiss_notice_ajax', __NAMESPACE__ . '\\dismiss_notice_ajax' );
}
/**
* Display incompatible plugins
*
* @since 1.0
*/
function maybe_display_plugin_compatibility_notices() {
$settings = \PoweredCache\Utils\get_settings();
$plugins = array(
'hummingbird-performance' => 'hummingbird-performance/wp-hummingbird.php',
'wp-rocket' => 'wp-rocket/wp-rocket.php',
'w3-total-cache' => 'w3-total-cache/w3-total-cache.php',
'wp-super-cache' => 'wp-super-cache/wp-cache.php',
'hyper-cache' => 'hyper-cache/plugin.php',
'hyper-cache-extended' => 'hyper-cache-extended/plugin.php',
'wp-fast-cache' => 'wp-fast-cache/wp-fast-cache.php',
'flexicache' => 'flexicache/wp-plugin.php',
'wp-fastest-cache' => 'wp-fastest-cache/wpFastestCache.php',
'wp-http-compression' => 'wp-http-compression/wp-http-compression.php',
'wordpress-gzip-compression' => 'wordpress-gzip-compression/ezgz.php',
'gzip-ninja-speed-compression' => 'gzip-ninja-speed-compression/gzip-ninja-speed.php',
'speed-booster-pack' => 'speed-booster-pack/speed-booster-pack.php',
'wp-performance-score-booster' => 'wp-performance-score-booster/wp-performance-score-booster.php',
'check-and-enable-gzip-compression' => 'check-and-enable-gzip-compression/richards-toolbox.php',
'swift-performance-lite' => 'swift-performance-lite/performance.php',
'swift-performance' => 'swift-performance/performance.php',
'litespeed-cache' => 'litespeed-cache/litespeed-cache.php',
'wp-optimize' => 'wp-optimize/wp-optimize.php',
);
if ( $settings['prefetch_links'] && is_premium() ) {
$plugins['quicklink'] = 'quicklink/quicklink.php';
$plugins['flying-pages'] = 'flying-pages/flying-pages.php';
$plugins['instant-page'] = 'instant-page/instantpage.php';
}
$callback = POWERED_CACHE_IS_NETWORK ? 'is_plugin_active_for_network' : 'is_plugin_active';
$plugins = array_filter( $plugins, $callback );
if ( 0 >= count( $plugins ) ) {
return;
}
?>
<?php if ( current_user_can( 'activate_plugins' ) ) : ?>
<div class="error">
<p><?php esc_html_e( 'The following plugins are not compatible with Powered Cache and may cause unintended results:', 'powered-cache' ); ?></p>
<ul class="incompatible-plugin-list">
<?php
foreach ( $plugins as $plugin ) {
$plugin_data = get_plugin_data( WP_PLUGIN_DIR . DIRECTORY_SEPARATOR . $plugin );
echo '<li>' . esc_attr( $plugin_data['Name'] ) . '</span> <a href="' . esc_url_raw( wp_nonce_url( admin_url( 'admin-post.php?action=deactivate_plugin&plugin=' . rawurlencode( $plugin ) ), 'deactivate_plugin' ) ) . '" class="button-secondary">' . esc_html__( 'Deactivate', 'powered-cache' ) . '</a></li>'; // phpcs:ignore WordPressVIPMinimum.Security.ProperEscapingFunction.notAttrEscAttr
}
?>
</ul>
</div>
<?php endif; ?>
<?php
}
/**
* Show notices about page cache
*
* @since 1.0
*/
function maybe_display_advanced_cache_notices() {
/**
* Determine whether show or not show advanced cache related notices
* eg: Varnish users don't need to turning on page cache.
*
* @hook powered_cache_disable_advanced_cache_notices
*
* @param {boolean} $status false
*
* @return {boolean} New value
* @since 1.2
*/
if ( apply_filters( 'powered_cache_disable_advanced_cache_notices', false ) ) {
return;
}
$settings = \PoweredCache\Utils\get_settings();
if ( ! $settings['enable_page_cache'] ) {
$settings_page = POWERED_CACHE_IS_NETWORK ? network_admin_url( 'admin.php?page=powered-cache#basic-options' ) : admin_url( 'admin.php?page=powered-cache#basic-options' );
/* translators: %s: Powered Cache settings page URL */
$message = sprintf( __( '<strong>Powered Cache:</strong> Page caching needs to be activated in order to speed up your website. Please activate it on <a href="%s">settings page</a>', 'powered-cache' ), esc_url( $settings_page ) );
?>
<div class="notice notice-warning">
<p>
<?php echo wp_kses_post( $message ); ?>
</p>
</div>
<?php
return;
}
if ( file_exists( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' ) ) {
$modify_time = filemtime( untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php' );
if ( time() - absint( $modify_time ) < 10 ) {
/**
* Modify drop-ins and can take ~5 seconds to place the configuration and it might cause misinformation to the user
* So, suppress the error message here when doing something related to settings.
*
* This wouldn't be an issue if there is no immediate redirection right after saving the settings. However, in that case
* the admin bar items won't be properly utilized unless refreshing the page
*/
return;
}
}
$err = array();
if ( ! defined( 'WP_CACHE' ) || true !== WP_CACHE ) {
/* translators: %s: WP_CACHE definition*/
$err['wp_cache'] = sprintf( __( '<code>%s</code> is not found in wp-config.php.', 'powered-cache' ), 'define("WP_CACHE", true);' );
}
if ( defined( 'WP_CACHE' ) && WP_CACHE && ( ! defined( 'POWERED_CACHE_PAGE_CACHING' ) || true !== POWERED_CACHE_PAGE_CACHING ) ) {
/* translators: %s: advanced-cache.php drop-in path */
$err['powered_cache_page_cache'] = sprintf( __( '<code>%s</code> file was edited or deleted. You can recreate the correct configuration files by saving Powered Cache settings.', 'powered-cache' ), basename( WP_CONTENT_DIR ) . '/advanced-cache.php' );
}
if ( defined( 'POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM' ) && POWERED_CACHE_PAGE_CACHING_HAS_PROBLEM ) {
/* translators: %s: page-cache.php drop-in path */
$err['powered_cache_page_cache_has_problem'] = sprintf( __( 'Powered Cache could not access dropin. Please check <code>%s</code> exist and accessible on your server.', 'powered-cache' ), POWERED_CACHE_DROPIN_DIR . 'page-cache.php' );
}
// everything ok
if ( empty( $err ) ) {
return;
}
// dont show when settings just saved
if ( did_action( 'powered_cache_settings_saved' ) ) {
return;
}
$capability = POWERED_CACHE_IS_NETWORK ? 'manage_network' : 'manage_options';
if ( ! current_user_can( $capability ) ) {
return;
}
?>
<div class="error">
<p>
<strong><?php esc_html_e( 'Page Cache is not working, because:', 'powered-cache' ); ?></strong>
</p>
<?php foreach ( $err as $error_msg ) : ?>
<p><?php echo wp_kses_post( $error_msg ); ?></p>
<?php endforeach; ?>
</div>
<?php
}
/**
* Display object cache broken msg
*
* @since 1.0
*/
function maybe_display_object_cache_notices() {
$settings = \PoweredCache\Utils\get_settings();
$object_cache_backends = get_object_cache_dropins();
$object_cache_driver = $settings['object_cache'];
$object_cache_dropin = untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php';
if ( ! can_configure_object_cache() ) {
return;
}
// dont show when settings just saved
if ( did_action( 'powered_cache_settings_saved' ) ) {
return;
}
if ( file_exists( $object_cache_dropin ) ) {
$modify_time = filemtime( $object_cache_dropin );
if ( time() - absint( $modify_time ) < 10 ) { // just created
return;
}
}
// first check object cache file exist
if ( isset( $object_cache_backends[ $object_cache_driver ] ) && ! file_exists( $object_cache_dropin ) ) {
/* translators: %s: object cache dropin path */
$message = sprintf( __( 'The object cache file seems missing. Please check <code>%s</code> exist, writable and accessible on your server.', 'powered-cache' ), $object_cache_dropin );
?>
<div class="error">
<p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
<?php echo wp_kses_post( $message ); ?>
</p>
</div>
<?php
return;
}
if ( defined( 'POWERED_OBJECT_CACHE_HAS_PROBLEM' ) && POWERED_OBJECT_CACHE_HAS_PROBLEM ) {
$broken_file = '';
if ( isset( $object_cache_backends[ $object_cache_driver ] ) ) {
$broken_file = $object_cache_backends[ $object_cache_driver ];
}
/* translators: %s: object cache dropin path */
$message = sprintf( __( 'The object cache file couldn\'t be loaded. Please check <code>%s</code> exist and accessible on your server.', 'powered-cache' ), $broken_file );
?>
<div class="error">
<p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
<?php echo wp_kses_post( $message ); ?>
</p>
</div>
<?php
}
}
/**
* Notices for the .htaccess
*
* @since 1.2
*/
function maybe_display_htaccess_notice() {
global $is_apache;
if ( ! $is_apache ) {
return;
}
$settings = \PoweredCache\Utils\get_settings();
if ( ! $settings['auto_configure_htaccess'] ) {
return;
}
if ( ! can_configure_htaccess() ) {
return;
}
// dont show when settings just saved
if ( did_action( 'powered_cache_settings_saved' ) ) {
return;
}
$htaccess_file = get_home_path() . '.htaccess';
if ( file_exists( $htaccess_file ) ) {
$modify_time = filemtime( $htaccess_file );
if ( time() - absint( $modify_time ) < 10 ) { // just modified
return;
}
}
$message = '';
if ( ! file_exists( $htaccess_file ) ) {
$message = __( 'The <code>.htaccess</code> couldn\'t be found on your server. Please create a new <code>.htaccess</code> file. (<a href="https://wordpress.org/support/article/htaccess/" target="_blank" rel="noopener">?</a>)', 'powered-cache' );
} elseif ( ! is_writeable( $htaccess_file ) ) {
$message = __( 'Oh no! It looks <code>.htaccess</code> file is not writable. Please make sure it is writable by the application server. Your website will be much faster when .htaccess is configured for Powered Cache.', 'powered-cache' );
}
if ( empty( $message ) ) {
return;
}
?>
<div class="error">
<p><strong><?php esc_html_e( 'Powered Cache:', 'powered-cache' ); ?></strong>
<?php echo wp_kses_post( $message ); ?>
</p>
</div>
<?php
}
/**
* Observe new plugin activation/deactivation
*
* @param string $plugin file
* @param boolean $network_wide Whether plugin de/activated network wide or not
*
* @return void
* @since 3.2
*/
function observe_plugin_changes( $plugin, $network_wide ) {
if ( false !== stripos( $plugin, 'powered-cache' ) ) {
return;
}
if ( $network_wide ) {
set_site_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT, '1' );
return;
}
set_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT, '1' );
}
/**
* Display cache purging notice upon a new plugin activated/deactivated
*
* @return void
* @since 3.2
*/
function maybe_display_purge_cache_plugin_notice() {
$has_notice = false;
if ( POWERED_CACHE_IS_NETWORK && current_user_can( 'manage_network' ) ) {
$has_notice = get_site_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT );
$purge_url = wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_page_cache_network' ), 'powered_cache_purge_page_cache_network' );
} elseif ( current_user_can( 'activate_plugins' ) ) {
$has_notice = get_transient( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT );
$purge_url = wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_all_cache' ), 'powered_cache_purge_all_cache' );
}
if ( $has_notice ) {
$message = __( '<strong>Powered Cache:</strong> One or more plugins have been activated or deactivated; consider clearing the cache if these changes impact your site\'s front end.', 'powered-cache' );
$dismiss_nonce = wp_create_nonce( 'powered_cache_dismiss_notice_ajax' );
?>
<div class="notice notice-warning is-dismissible powered-cache-dismissible-notice" data-notice-id="<?php echo esc_attr( PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT ); ?>" data-nonce="<?php echo esc_attr( $dismiss_nonce ); ?>">
<p>
<?php echo wp_kses_post( $message ); ?>
</p>
<p>
<a href="<?php echo esc_url_raw( $purge_url ); ?>" class="button-primary">
<?php esc_html_e( 'Purge Cache', 'powered-cache' ); ?>
</a>
<a href="<?php echo esc_url_raw( wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_dismiss_notice&notice=' . PURGE_CACHE_PLUGIN_NOTICE_TRANSIENT ), 'powered_cache_dismiss_notice' ) ); ?>" class="button-secondary powered-cache-dismiss-button">
<?php esc_html_e( 'Dismiss this notice', 'powered-cache' ); ?>
</a>
</p>
</div>
<script type="text/javascript">
(function() {
document.addEventListener('click', function(e) {
var button = e.target.closest('.notice-dismiss, .powered-cache-dismiss-button');
if (!button) {
return;
}
var notice = button.closest('.powered-cache-dismissible-notice');
if (!notice) {
return;
}
e.preventDefault();
var noticeId = notice.getAttribute('data-notice-id');
var nonce = notice.getAttribute('data-nonce');
if (button.classList.contains('powered-cache-dismiss-button')) {
e.preventDefault();
notice.style.opacity = '1';
notice.style.transition = 'opacity 0.3s';
notice.style.opacity = '0';
setTimeout(function() {
if (notice && notice.parentNode) {
notice.parentNode.removeChild(notice);
}
}, 300);
}
var xhr = new XMLHttpRequest();
xhr.open('POST', '<?php echo esc_url( admin_url( 'admin-ajax.php' ) ); ?>', true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.onload = function () {
if (xhr.status !== 200) {
console.error('Dismiss failed');
}
};
xhr.send(
'action=powered_cache_dismiss_notice_ajax'
+ '&notice=' + encodeURIComponent(noticeId)
+ '&nonce=' + encodeURIComponent(nonce)
);
});
})();
</script>
<?php
}
}
/**
* Dismis given notice
*
* @return void
* @since 3.2
*/
function dismiss_notice() {
$nonce = isset( $_GET['_wpnonce'] ) ? sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ) : '';
if ( ! wp_verify_nonce( $nonce, 'powered_cache_dismiss_notice' ) ) {
wp_nonce_ays( '' );
}
if ( current_user_can( 'manage_options' ) && ! empty( $_GET['notice'] ) ) {
$notice = sanitize_text_field( wp_unslash( $_GET['notice'] ) );
if ( POWERED_CACHE_IS_NETWORK ) {
delete_site_transient( $notice );
} else {
delete_transient( $notice );
}
}
wp_safe_redirect( esc_url_raw( wp_get_referer() ) );
exit;
}
/**
* Dismiss notice via AJAX
*
* @return void
* @since 3.7
*/
function dismiss_notice_ajax() {
check_ajax_referer( 'powered_cache_dismiss_notice_ajax', 'nonce' );
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( array( 'message' => esc_html__( 'Permission denied', 'powered-cache' ) ) );
}
if ( empty( $_POST['notice'] ) ) {
wp_send_json_error( array( 'message' => esc_html__( 'Notice ID missing', 'powered-cache' ) ) );
}
$notice = sanitize_text_field( wp_unslash( $_POST['notice'] ) );
if ( POWERED_CACHE_IS_NETWORK ) {
delete_site_transient( $notice );
} else {
delete_transient( $notice );
}
wp_send_json_success( array( 'message' => esc_html__( 'Notice dismissed', 'powered-cache' ) ) );
}
/**
* Display a notice when development mode is active
*
* @return void
* @since 3.6
* @related \PoweredCache\DevMode
*/
function maybe_display_dev_mode_notice() {
if ( ! \PoweredCache\Utils\is_dev_mode_active() ) {
return;
}
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
// Only display on Powered Cache settings page
$current_screen = get_current_screen();
if (
! $current_screen
|| ( ! isset( $current_screen->id ) || false === strpos( $current_screen->id, 'powered-cache' ) )
) {
return;
}
?>
<div class="notice notice-warning is-dismissible">
<p><strong><?php esc_html_e( 'Development Mode is active.', 'powered-cache' ); ?></strong>
<?php esc_html_e( 'Caching and optimizations are currently disabled. Don’t forget to disable it when done.', 'powered-cache' ); ?>
</p>
</div>
<?php
}
</code></pre>
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