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<?php
$perfmatters_options = get_option('perfmatters_options');
$perfmatters_tools = get_option('perfmatters_tools');
/* Options Actions + Filters
/***********************************************************************/
if(!empty($perfmatters_options['disable_emojis'])) {
add_action('init', 'perfmatters_disable_emojis');
}
if(!empty($perfmatters_options['disable_embeds'])) {
add_action('init', 'perfmatters_disable_embeds', 9999);
}
/* Disable XML-RPC
/***********************************************************************/
if(!empty($perfmatters_options['disable_xmlrpc'])) {
add_filter('xmlrpc_enabled', '__return_false');
add_filter('wp_headers', 'perfmatters_remove_x_pingback');
add_filter('pings_open', '__return_false', 9999);
add_filter('pre_update_option_enable_xmlrpc', '__return_false');
add_filter('pre_option_enable_xmlrpc', '__return_zero');
add_filter('perfmatters_output_buffer_template_redirect', 'perfmatters_remove_pingback_links', 2);
add_action('init', 'perfmatters_intercept_xmlrpc_header');
}
function perfmatters_remove_x_pingback($headers) {
unset($headers['X-Pingback'], $headers['x-pingback']);
return $headers;
}
function perfmatters_remove_pingback_links($html) {
preg_match_all('#<link[^>]+rel=["\']pingback["\'][^>]+?\/?>#is', $html, $links, PREG_SET_ORDER);
if(!empty($links)) {
foreach($links as $link) {
$html = str_replace($link[0], "", $html);
}
}
return $html;
}
function perfmatters_intercept_xmlrpc_header() {
if(!isset($_SERVER['SCRIPT_FILENAME'])) {
return;
}
//direct requests only
if('xmlrpc.php' !== basename($_SERVER['SCRIPT_FILENAME'])) {
return;
}
$header = 'HTTP/1.1 403 Forbidden';
header($header);
echo $header;
die();
}
if(!empty($perfmatters_options['remove_jquery_migrate']) && !perfmatters_is_page_builder()) {
add_filter('wp_default_scripts', 'perfmatters_remove_jquery_migrate');
}
if(!empty($perfmatters_options['hide_wp_version'])) {
remove_action('wp_head', 'wp_generator');
add_filter('the_generator', 'perfmatters_hide_wp_version');
}
if(!empty($perfmatters_options['remove_wlwmanifest_link'])) {
remove_action('wp_head', 'wlwmanifest_link');
}
if(!empty($perfmatters_options['remove_rsd_link'])) {
remove_action('wp_head', 'rsd_link');
}
/* Remove Shortlink
/***********************************************************************/
if(!empty($perfmatters_options['remove_shortlink'])) {
remove_action('wp_head', 'wp_shortlink_wp_head');
remove_action ('template_redirect', 'wp_shortlink_header', 11, 0);
}
/* Disable RSS Feeds
/***********************************************************************/
if(!empty($perfmatters_options['disable_rss_feeds'])) {
add_action('template_redirect', 'perfmatters_disable_rss_feeds', 1);
}
function perfmatters_disable_rss_feeds() {
if(!is_feed() || is_404()) {
return;
}
global $wp_rewrite;
global $wp_query;
//check for GET feed query variable firet and redirect
if(isset($_GET['feed'])) {
wp_redirect(esc_url_raw(remove_query_arg('feed')), 301);
exit;
}
//unset wp_query feed variable
if(get_query_var('feed') !== 'old') {
set_query_var('feed', '');
}
//let Wordpress redirect to the proper URL
redirect_canonical();
//redirect failed, display error message
wp_die(sprintf(__("No feed available, please visit the <a href='%s'>homepage</a>!"), esc_url(home_url('/'))));
}
/* Remove RSS Feed Links
/***********************************************************************/
if(!empty($perfmatters_options['remove_feed_links'])) {
remove_action('wp_head', 'feed_links', 2);
remove_action('wp_head', 'feed_links_extra', 3);
}
/* Disable Self Pingbacks
/***********************************************************************/
if(!empty($perfmatters_options['disable_self_pingbacks'])) {
add_action('pre_ping', 'perfmatters_disable_self_pingbacks');
}
function perfmatters_disable_self_pingbacks(&$links) {
$home = get_option('home');
foreach($links as $l => $link) {
if(strpos($link, $home) === 0) {
unset($links[$l]);
}
}
}
/* Disable REST API
/***********************************************************************/
if(!empty($perfmatters_options['disable_rest_api'])) {
add_filter('rest_authentication_errors', 'perfmatters_rest_authentication_errors', 20);
}
function perfmatters_rest_authentication_errors($result) {
if(!empty($result)) {
return $result;
}
else{
global $perfmatters_options;
$disabled = false;
//get rest route
$rest_route = $GLOBALS['wp']->query_vars['rest_route'];
//check rest route for exceptions
$exceptions = apply_filters('perfmatters_rest_api_exceptions', array(
'contact-form-7',
'wordfence',
'elementor'
));
foreach($exceptions as $exception) {
if(strpos($rest_route, $exception) !== false) {
return;
}
}
//check settings
if($perfmatters_options['disable_rest_api'] == 'disable_non_admins' && !current_user_can('manage_options')) {
$disabled = true;
}
elseif($perfmatters_options['disable_rest_api'] == 'disable_logged_out' && !is_user_logged_in()) {
$disabled = true;
}
}
if($disabled) {
return new WP_Error('rest_authentication_error', __('Sorry, you do not have permission to make REST API requests.', 'perfmatters'), array('status' => 401));
}
return $result;
}
/* Remove REST API Links
/***********************************************************************/
if(!empty($perfmatters_options['remove_rest_api_links'])) {
remove_action('xmlrpc_rsd_apis', 'rest_output_rsd');
remove_action('wp_head', 'rest_output_link_wp_head');
remove_action('template_redirect', 'rest_output_link_header', 11, 0);
}
/* Disable Google Maps
/***********************************************************************/
if(!empty($perfmatters_options['disable_google_maps'])) {
add_action('template_redirect', 'perfmatters_disable_google_maps');
}
function perfmatters_disable_google_maps() {
global $perfmatters_options;
if(!empty($perfmatters_options['disable_google_maps_exclusions'])) {
$exploded = explode(',', $perfmatters_options['disable_google_maps_exclusions']);
$trimmed = array_map('trim', $exploded);
//single post exclusion
if(is_singular()) {
global $post;
if(in_array($post->ID, $trimmed)) {
return;
}
}
//posts page exclusion
if(is_home() && in_array('blog', $trimmed)) {
return;
}
}
ob_start('perfmatters_disable_google_maps_regex');
}
function perfmatters_disable_google_maps_regex($html) {
$html = preg_replace('/<script[^<>]*\/\/maps.(googleapis|google|gstatic).com\/[^<>]*><\/script>/i', '', $html);
return $html;
}
/* Disable Google Fonts
/***********************************************************************/
if(!empty($perfmatters_options['fonts']['disable_google_fonts'])) {
add_action('template_redirect', 'perfmatters_disable_google_fonts');
}
function perfmatters_disable_google_fonts() {
ob_start('perfmatters_disable_google_fonts_regex');
}
function perfmatters_disable_google_fonts_regex($html) {
$html = preg_replace('/<link[^<>]*\/\/fonts\.(googleapis|google|gstatic)\.com[^<>]*>/i', '', $html);
return $html;
}
/* Disable Password Strength Meter
/***********************************************************************/
if(!empty($perfmatters_options['disable_password_strength_meter'])) {
add_action('wp_print_scripts', 'perfmatters_disable_password_strength_meter', 100);
}
function perfmatters_disable_password_strength_meter() {
//skip admin
if(is_admin()) {
return;
}
//skip wp-login.php
if((isset($GLOBALS['pagenow']) && $GLOBALS['pagenow'] === 'wp-login.php') || (isset($_GET['action']) && in_array($_GET['action'], array('rp', 'lostpassword', 'register')))) {
return;
}
//skip specific woocommerce endpoints
if(Perfmatters\Utilities::is_woocommerce()) {
return;
}
wp_dequeue_script('zxcvbn-async');
wp_deregister_script('zxcvbn-async');
wp_dequeue_script('password-strength-meter');
wp_deregister_script('password-strength-meter');
wp_dequeue_script('wc-password-strength-meter');
wp_deregister_script('wc-password-strength-meter');
}
/* Disable Comments
/***********************************************************************/
if(!empty($perfmatters_options['disable_comments'])) {
//Disable Built-in Recent Comments Widget
add_action('widgets_init', 'perfmatters_disable_recent_comments_widget');
//Check for XML-RPC
if(empty($perfmatters_options['disable_xmlrpc'])) {
add_filter('wp_headers', 'perfmatters_remove_x_pingback');
}
//Check for Feed Links
if(empty($perfmatters_options['remove_feed_links'])) {
remove_action('wp_head', 'feed_links_extra', 3);
}
//Disable Comment Feed Requests
add_action('template_redirect', 'perfmatters_disable_comment_feed_requests', 9);
//Remove Comment Links from the Admin Bar
add_action('template_redirect', 'perfmatters_remove_admin_bar_comment_links'); //front end
add_action('admin_init', 'perfmatters_remove_admin_bar_comment_links'); //admin
//Finish Disabling Comments
add_action('wp_loaded', 'perfmatters_wp_loaded_disable_comments');
}
//Disable Recent Comments Widget
function perfmatters_disable_recent_comments_widget() {
unregister_widget('WP_Widget_Recent_Comments');
add_filter('show_recent_comments_widget_style', '__return_false');
}
//Disable Comment Feed Requests
function perfmatters_disable_comment_feed_requests() {
if(is_comment_feed()) {
wp_die(__('Comments are disabled.', 'perfmatters'), '', array('response' => 403));
}
}
//Remove Comment Links from the Admin Bar
function perfmatters_remove_admin_bar_comment_links() {
if(is_admin_bar_showing()) {
remove_action('admin_bar_menu', 'wp_admin_bar_comments_menu', 60);
if(is_multisite()) {
add_action('admin_bar_menu', 'perfmatters_remove_network_admin_bar_comment_links', 500);
}
}
}
//Remove Comment Links from the Network Admin Bar
function perfmatters_remove_network_admin_bar_comment_links($wp_admin_bar) {
if(!function_exists('is_plugin_active_for_network')) {
require_once(ABSPATH . '/wp-admin/includes/plugin.php');
}
if(is_plugin_active_for_network('perfmatters/perfmatters.php') && is_user_logged_in()) {
//Remove for All Sites
foreach($wp_admin_bar->user->blogs as $blog) {
$wp_admin_bar->remove_menu('blog-' . $blog->userblog_id . '-c');
}
}
else {
//Remove for Current Site
$wp_admin_bar->remove_menu('blog-' . get_current_blog_id() . '-c');
}
}
//Finish Disabling Comments
function perfmatters_wp_loaded_disable_comments() {
//Remove Comment Support from All Post Types
$post_types = get_post_types(array('public' => true), 'names');
if(!empty($post_types)) {
foreach($post_types as $post_type) {
if(post_type_supports($post_type, 'comments')) {
remove_post_type_support($post_type, 'comments');
remove_post_type_support($post_type, 'trackbacks');
}
}
}
//Close Comment Filters
add_filter('comments_array', function() { return array(); }, 20, 2);
add_filter('comments_open', function() { return false; }, 20, 2);
add_filter('pings_open', function() { return false; }, 20, 2);
if(is_admin()) {
//Remove Menu Links + Disable Admin Pages
add_action('admin_menu', 'perfmatters_admin_menu_remove_comments', 9999);
//Hide Comments from Dashboard
add_action('admin_print_styles-index.php', 'perfmatters_hide_dashboard_comments_css');
//Hide Comments from Profile
add_action('admin_print_styles-profile.php', 'perfmatters_hide_profile_comments_css');
//Remove Recent Comments Meta
add_action('wp_dashboard_setup', 'perfmatters_remove_recent_comments_meta');
//Disable Pingback Flag
add_filter('pre_option_default_pingback_flag', '__return_zero');
}
else {
//Replace Comments Template with a Blank One
add_filter('comments_template', 'perfmatters_blank_comments_template', 20);
//Remove Comment Reply Script
wp_deregister_script('comment-reply');
//Disable the Comments Feed Link
add_filter('feed_links_show_comments_feed', '__return_false');
}
}
//Remove Menu Links + Disable Admin Pages
function perfmatters_admin_menu_remove_comments() {
global $pagenow;
//Remove Comment + Discussion Menu Links
remove_menu_page('edit-comments.php');
remove_submenu_page('options-general.php', 'options-discussion.php');
//Disable Comments Pages
if($pagenow == 'comment.php' || $pagenow == 'edit-comments.php') {
wp_die(__('Comments are disabled.', 'perfmatters'), '', array('response' => 403));
}
//Disable Discussion Page
if($pagenow == 'options-discussion.php') {
wp_die(__('Comments are disabled.', 'perfmatters'), '', array('response' => 403));
}
}
//Hide Comments from Dashboard
function perfmatters_hide_dashboard_comments_css(){
echo "<style>
#dashboard_right_now .comment-count, #dashboard_right_now .comment-mod-count, #latest-comments, #welcome-panel .welcome-comments {
display: none !important;
}
</style>";
}
//Hide Comments from Profile
function perfmatters_hide_profile_comments_css(){
echo "<style>
.user-comment-shortcuts-wrap {
display: none !important;
}
</style>";
}
//Remove Recent Comments Meta Box
function perfmatters_remove_recent_comments_meta(){
remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal');
}
//Return Blank Comments Template
function perfmatters_blank_comments_template() {
return dirname(__FILE__) . '/comments-template.php';
}
/* Remove Comment URLs
/***********************************************************************/
if(!empty($perfmatters_options['remove_comment_urls'])) {
add_filter('get_comment_author_link', 'perfmatters_remove_comment_author_link', 10, 3);
add_filter('get_comment_author_url', 'perfmatters_remove_comment_author_url');
add_filter('comment_form_default_fields', 'perfmatters_remove_website_field', 9999);
}
function perfmatters_remove_comment_author_link($return, $author, $comment_ID) {
return $author;
}
function perfmatters_remove_comment_author_url() {
return false;
}
function perfmatters_remove_website_field($fields) {
unset($fields['url']);
return $fields;
}
/* Disable Dashicons
/***********************************************************************/
if(!empty($perfmatters_options['disable_dashicons'])) {
add_action('wp_enqueue_scripts', 'perfmatters_disable_dashicons');
}
function perfmatters_disable_dashicons() {
if(!is_user_logged_in()) {
wp_dequeue_style('dashicons');
wp_deregister_style('dashicons');
}
}
/* Disable WooCommerce Scripts
/***********************************************************************/
if(!empty($perfmatters_options['disable_woocommerce_scripts'])) {
add_action('wp_enqueue_scripts', 'perfmatters_disable_woocommerce_scripts', 99);
}
function perfmatters_disable_woocommerce_scripts() {
if(class_exists('WooCommerce')) {
if(!apply_filters('perfmatters_disable_woocommerce_scripts', true)) {
return;
}
if(!is_woocommerce() && !is_cart() && !is_checkout() && !is_account_page() && !is_product() && !is_product_category() && !is_shop()) {
global $perfmatters_options;
//Dequeue WooCommerce Styles
$styles = array(
'woocommerce-general',
'woocommerce-layout',
'woocommerce-smallscreen',
'woocommerce_frontend_styles',
'woocommerce_fancybox_styles',
'woocommerce_chosen_styles',
'woocommerce_prettyPhoto_css',
'woocommerce-inline',
'wc-blocks-style',
'wc-blocks-vendors-style'
);
foreach($styles as $style) {
wp_dequeue_style($style);
wp_deregister_style($style);
}
//Dequeue WooCommerce Scripts
$scripts = array(
'wc_price_slider',
'wc-single-product',
'wc-add-to-cart',
'wc-checkout',
'wc-add-to-cart-variation',
'wc-single-product',
'wc-cart',
'wc-chosen',
'woocommerce',
'prettyPhoto',
'prettyPhoto-init',
'jquery-blockui',
'jquery-placeholder',
'fancybox',
'jqueryui'
);
foreach($scripts as $script) {
wp_dequeue_script($script);
wp_deregister_script($script);
}
//Remove no-js Script + Body Class
add_filter('body_class', function($classes) {
remove_action('wp_footer', 'wc_no_js');
$classes = array_diff($classes, array('woocommerce-no-js'));
return array_values($classes);
},10, 1);
//Dequue Cart Fragmentation Script
if(empty($perfmatters_options['disable_woocommerce_cart_fragmentation'])) {
wp_dequeue_script('wc-cart-fragments');
wp_deregister_script('wc-cart-fragments');
}
}
}
}
/* Disable WooCommerce Cart Fragmentation
/***********************************************************************/
if(!empty($perfmatters_options['disable_woocommerce_cart_fragmentation'])) {
add_action('wp_enqueue_scripts', 'perfmatters_disable_woocommerce_cart_fragmentation', 99);
}
function perfmatters_disable_woocommerce_cart_fragmentation() {
if(class_exists('WooCommerce')) {
wp_dequeue_script('wc-cart-fragments');
wp_deregister_script('wc-cart-fragments');
}
}
/* Disable WooCommerce Status Meta Box
/***********************************************************************/
if(!empty($perfmatters_options['disable_woocommerce_status'])) {
add_action('wp_dashboard_setup', 'perfmatters_disable_woocommerce_status');
}
function perfmatters_disable_woocommerce_status() {
remove_meta_box('woocommerce_dashboard_status', 'dashboard', 'normal');
}
/* Disable WooCommerce Widgets
/***********************************************************************/
if(!empty($perfmatters_options['disable_woocommerce_widgets'])) {
add_action('widgets_init', 'perfmatters_disable_woocommerce_widgets', 99);
}
function perfmatters_disable_woocommerce_widgets() {
global $perfmatters_options;
unregister_widget('WC_Widget_Products');
unregister_widget('WC_Widget_Product_Categories');
unregister_widget('WC_Widget_Product_Tag_Cloud');
unregister_widget('WC_Widget_Cart');
unregister_widget('WC_Widget_Layered_Nav');
unregister_widget('WC_Widget_Layered_Nav_Filters');
unregister_widget('WC_Widget_Price_Filter');
unregister_widget('WC_Widget_Product_Search');
unregister_widget('WC_Widget_Recently_Viewed');
if(empty($perfmatters_options['disable_woocommerce_reviews'])) {
unregister_widget('WC_Widget_Recent_Reviews');
unregister_widget('WC_Widget_Top_Rated_Products');
unregister_widget('WC_Widget_Rating_Filter');
}
}
/* Limit Post Revisions
/***********************************************************************/
if(!empty($perfmatters_options['limit_post_revisions'])) {
if(defined('WP_POST_REVISIONS')) {
add_action('admin_notices', 'perfmatters_admin_notice_post_revisions');
}
else {
define('WP_POST_REVISIONS', $perfmatters_options['limit_post_revisions']);
}
}
function perfmatters_admin_notice_post_revisions() {
echo "<div class='notice notice-error'>";
echo "<p>";
echo "<strong>" . __('Perfmatters Warning', 'perfmatters') . ":</strong> ";
echo __('WP_POST_REVISIONS is already enabled somewhere else on your site. We suggest only enabling this feature in one place.', 'perfmatters');
echo "</p>";
echo "</div>";
}
/* Autosave Interval
/***********************************************************************/
if(!empty($perfmatters_options['autosave_interval'])) {
if(defined('AUTOSAVE_INTERVAL')) {
add_action('admin_notices', 'perfmatters_admin_notice_autosave_interval');
}
else {
define('AUTOSAVE_INTERVAL', $perfmatters_options['autosave_interval']);
}
}
function perfmatters_admin_notice_autosave_interval() {
echo "<div class='notice notice-error'>";
echo "<p>";
echo "<strong>" . __('Perfmatters Warning', 'perfmatters') . ":</strong> ";
echo __('AUTOSAVE_INTERVAL is already enabled somewhere else on your site. We suggest only enabling this feature in one place.', 'perfmatters');
echo "</p>";
echo "</div>";
}
/* Disable Emojis
/***********************************************************************/
function perfmatters_disable_emojis() {
remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('admin_print_scripts', 'print_emoji_detection_script');
remove_action('wp_print_styles', 'print_emoji_styles');
remove_action('admin_print_styles', 'print_emoji_styles');
remove_filter('the_content_feed', 'wp_staticize_emoji');
remove_filter('comment_text_rss', 'wp_staticize_emoji');
remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
add_filter('tiny_mce_plugins', 'perfmatters_disable_emojis_tinymce');
add_filter('emoji_svg_url', '__return_false');
}
function perfmatters_disable_emojis_tinymce($plugins) {
if(is_array($plugins)) {
return array_diff($plugins, array('wpemoji'));
} else {
return array();
}
}
/* Disable Embeds
/***********************************************************************/
function perfmatters_disable_embeds() {
global $wp;
$wp->public_query_vars = array_diff($wp->public_query_vars, array('embed'));
add_filter('embed_oembed_discover', '__return_false');
remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10);
remove_action('wp_head', 'wp_oembed_add_discovery_links');
remove_action('wp_head', 'wp_oembed_add_host_js');
add_filter('tiny_mce_plugins', 'perfmatters_disable_embeds_tiny_mce_plugin');
add_filter('rewrite_rules_array', 'perfmatters_disable_embeds_rewrites');
remove_filter('pre_oembed_result', 'wp_filter_pre_oembed_result', 10);
}
function perfmatters_disable_embeds_tiny_mce_plugin($plugins) {
return array_diff($plugins, array('wpembed'));
}
function perfmatters_disable_embeds_rewrites($rules) {
foreach($rules as $rule => $rewrite) {
if(is_string($rewrite) && false !== strpos($rewrite, 'embed=true')) {
unset($rules[$rule]);
}
}
return $rules;
}
/* Remove jQuery Migrate
/***********************************************************************/
function perfmatters_remove_jquery_migrate(&$scripts) {
if(!is_admin()) {
$scripts->remove('jquery');
$scripts->add('jquery', false, array( 'jquery-core' ), '1.12.4');
}
}
/* Hide WordPress Version
/***********************************************************************/
function perfmatters_hide_wp_version() {
return '';
}
/* Disable Heartbeat
/***********************************************************************/
if(!empty($perfmatters_options['disable_heartbeat'])) {
add_action('init', 'perfmatters_disable_heartbeat', 1);
}
function perfmatters_disable_heartbeat() {
//check for exception pages in admin
if(is_admin()) {
global $pagenow;
if(!empty($pagenow)) {
//admin checks
if($pagenow == 'admin.php') {
if(!empty($_GET['page'])) {
$exceptions = array(
'gf_edit_forms',
'gf_entries',
'gf_settings'
);
if(in_array($_GET['page'], $exceptions)) {
return;
}
}
}
//site health check
if($pagenow == 'site-health.php') {
return;
}
}
}
//disable hearbeat
global $perfmatters_options;
if(!empty($perfmatters_options['disable_heartbeat'])) {
if($perfmatters_options['disable_heartbeat'] == 'disable_everywhere') {
perfmatters_replace_hearbeat();
}
elseif($perfmatters_options['disable_heartbeat'] == 'allow_posts') {
global $pagenow;
if($pagenow != 'post.php' && $pagenow != 'post-new.php') {
perfmatters_replace_hearbeat();
}
}
}
}
function perfmatters_replace_hearbeat() {
wp_deregister_script('heartbeat');
//wp_dequeue_script('heartbeat');
if(is_admin()) {
wp_register_script('hearbeat', plugins_url('js/heartbeat.js', dirname(__FILE__)));
wp_enqueue_script('heartbeat', plugins_url('js/heartbeat.js', dirname(__FILE__)));
}
}
/* Heartbeat Frequency
/***********************************************************************/
if(!empty($perfmatters_options['heartbeat_frequency'])) {
add_filter('heartbeat_settings', 'perfmatters_heartbeat_frequency');
}
function perfmatters_heartbeat_frequency($settings) {
global $perfmatters_options;
if(!empty($perfmatters_options['heartbeat_frequency'])) {
$settings['interval'] = $perfmatters_options['heartbeat_frequency'];
$settings['minimalInterval'] = $perfmatters_options['heartbeat_frequency'];
}
return $settings;
}
/* Change Login URL
/***********************************************************************/
$perfmatters_wp_login = false;
if(!empty($perfmatters_options['login_url'])) {
add_action('plugins_loaded', 'perfmatters_login_url_plugins_loaded', 2);
add_action('wp_loaded', 'perfmatters_wp_loaded');
add_action('setup_theme', 'perfmatters_disable_customize_php', 1);
add_filter('site_url', 'perfmatters_site_url', 10, 4);
add_filter('network_site_url', 'perfmatters_network_site_url', 10, 3);
add_filter('wp_redirect', 'perfmatters_wp_redirect', 10, 2);
add_filter('site_option_welcome_email', 'perfmatters_welcome_email');
add_filter('admin_url', 'perfmatters_admin_url');
remove_action('template_redirect', 'wp_redirect_admin_locations', 1000);
}
function perfmatters_site_url($url, $path, $scheme, $blog_id) {
return perfmatters_filter_wp_login($url, $scheme);
}
function perfmatters_network_site_url($url, $path, $scheme) {
return perfmatters_filter_wp_login($url, $scheme);
}
function perfmatters_wp_redirect($location, $status) {
return perfmatters_filter_wp_login($location);
}
function perfmatters_filter_wp_login($url, $scheme = null) {
//wp-login.php Being Requested
if(strpos($url, 'wp-login.php') !== false) {
//Set HTTPS Scheme if SSL
if(is_ssl()) {
$scheme = 'https';
}
//Check for Query String and Craft New Login URL
$query_string = explode('?', $url);
if(isset($query_string[1])) {
parse_str($query_string[1], $query_string);
if(isset($query_string['login'])) {
$query_string['login'] = rawurlencode($query_string['login']);
}
$url = add_query_arg($query_string, perfmatters_login_url($scheme));
}
else {
$url = perfmatters_login_url($scheme);
}
}
//Return Finished Login URL
return $url;
}
function perfmatters_login_url($scheme = null) {
//Return Full New Login URL Based on Permalink Structure
if(get_option('permalink_structure')) {
return perfmatters_trailingslashit(home_url('/', $scheme) . perfmatters_login_slug());
}
else {
return home_url('/', $scheme) . '?' . perfmatters_login_slug();
}
}
function perfmatters_trailingslashit($string) {
//Check for Permalink Trailing Slash and Add to String
if((substr(get_option('permalink_structure'), -1, 1)) === '/') {
return trailingslashit($string);
}
else {
return untrailingslashit($string);
}
}
function perfmatters_login_slug() {
$perfmatters_options = get_option('perfmatters_options');
//Return Login URL Slug if Available
if(!empty($perfmatters_options['login_url'])) {
return $perfmatters_options['login_url'];
}
}
function perfmatters_login_url_plugins_loaded() {
//Declare Global Variables
global $pagenow;
global $perfmatters_wp_login;
//Parse Requested URI
$URI = parse_url($_SERVER['REQUEST_URI']);
$path = !empty($URI['path']) ? untrailingslashit($URI['path']) : '';
$slug = perfmatters_login_slug();
//Non Admin wp-login.php URL
if(!is_admin() && (strpos(rawurldecode($_SERVER['REQUEST_URI']), 'wp-login.php') !== false || $path === site_url('wp-login', 'relative'))) {
//Set Flag
$perfmatters_wp_login = true;
//Prevent Redirect to Hidden Login
$_SERVER['REQUEST_URI'] = perfmatters_trailingslashit('/' . str_repeat('-/', 10));
$pagenow = 'index.php';
}
//wp-register.php
elseif(!is_admin() && (strpos(rawurldecode($_SERVER['REQUEST_URI']), 'wp-register.php') !== false || strpos(rawurldecode($_SERVER['REQUEST_URI']), 'wp-signup.php') !== false || $path === site_url('wp-register', 'relative'))) {
//Set Flag
$perfmatters_wp_login = true;
//Prevent Redirect to Hidden Login
$_SERVER['REQUEST_URI'] = perfmatters_trailingslashit('/' . str_repeat('-/', 10));
$pagenow = 'index.php';
}
//Hidden Login URL
elseif($path === home_url($slug, 'relative') || (!get_option('permalink_structure') && isset($_GET[$slug]) && empty($_GET[$slug]))) {
//Override Current Page w/ wp-login.php
$pagenow = 'wp-login.php';
}
}
function perfmatters_wp_loaded() {
if(!apply_filters('perfmatters_login_url', true)) {
return;
}
//Declare Global Variables
global $pagenow;
global $perfmatters_wp_login;
//Parse Requested URI
$URI = parse_url($_SERVER['REQUEST_URI']);
//Disable Normal WP-Admin
if(is_admin() && !is_user_logged_in() && !defined('WP_CLI') && !defined('DOING_AJAX') && $pagenow !== 'admin-post.php' && (isset($_GET) && empty($_GET['adminhash']) && empty($_GET['newuseremail']))) {
perfmatters_disable_login_url();
}
//Requesting Hidden Login Form - Path Mismatch
if($pagenow === 'wp-login.php' && $URI['path'] !== perfmatters_trailingslashit($URI['path']) && get_option('permalink_structure')) {
//Local Redirect to Hidden Login URL
$URL = perfmatters_trailingslashit(perfmatters_login_url()) . (!empty($_SERVER['QUERY_STRING']) ? '?' . $_SERVER['QUERY_STRING'] : '');
wp_safe_redirect($URL);
die();
}
//Requesting wp-login.php Directly, Disabled
elseif($perfmatters_wp_login) {
perfmatters_disable_login_url();
}
//Requesting Hidden Login Form
elseif($pagenow === 'wp-login.php') {
//Declare Global Variables
global $error, $interim_login, $action, $user_login;
//User Already Logged In
if(is_user_logged_in() && !isset($_REQUEST['action'])) {
wp_safe_redirect(admin_url());
die();
}
//Include Login Form
@require_once ABSPATH . 'wp-login.php';
die();
}
}
function perfmatters_disable_customize_php() {
//Declare Global Variable
global $pagenow;
//Disable customize.php from Redirecting to Login URL
if(!is_user_logged_in() && $pagenow === 'customize.php') {
perfmatters_disable_login_url();
}
}
function perfmatters_welcome_email($value) {
//Declare Global Variable
global $perfmatters_options;
//Check for Custom Login URL and Replace
if(!empty($perfmatters_options['login_url'])) {
$value = str_replace(array('wp-login.php', 'wp-admin'), trailingslashit($perfmatters_options['login_url']), $value);
}
return $value;
}
function perfmatters_admin_url($url) {
//Check for Multisite Admin
if(is_multisite() && ms_is_switched() && is_admin()) {
global $current_blog;
//Get Current Switched Blog
$switched_blog_id = get_current_blog_id();
if($switched_blog_id != $current_blog->blog_id) {
$perfmatters_blog_options = get_blog_option($switched_blog_id, 'perfmatters_options');
//Swap Custom Login URL Only with Base /wp-admin/ Links
if(!empty($perfmatters_blog_options['login_url'])) {
$url = preg_replace('/\/wp-admin\/$/', '/' . $perfmatters_blog_options['login_url'] . '/', $url);
}
}
}
/*elseif(!is_admin() && (function_exists('is_user_logged_in') || !is_user_logged_in())) {
$options = get_option('perfmatters_options');
if(!empty($options['login_url'])) {
$url = preg_replace('/\/wp-admin\/$/', '/' . $options['login_url'] . '/', $url);
}
}*/
return $url;
}
//choose what to do when disabling a login url endpoint
function perfmatters_disable_login_url() {
global $perfmatters_options;
if(!empty($perfmatters_options['login_url_behavior'])) {
if($perfmatters_options['login_url_behavior'] == '404') {
$template = get_query_template('404');
global $wp_query;
$wp_query->set_404();
status_header(404);
nocache_headers();
if(!empty($template)) {
include($template);
}
die();
}
elseif($perfmatters_options['login_url_behavior'] == 'home') {
wp_safe_redirect(home_url());
die();
}
elseif($perfmatters_options['login_url_behavior'] == 'redirect' && !empty($perfmatters_options['login_url_redirect'])) {
wp_safe_redirect(home_url($perfmatters_options['login_url_redirect']));
die();
}
}
$message = !empty($perfmatters_options['login_url_message']) ? $perfmatters_options['login_url_message'] : __('This has been disabled.', 'perfmatters');
wp_die($message, 403);
}
/* Instant Page
/***********************************************************************/
if(!empty($perfmatters_options['preload']['instant_page'])) {
if(!is_admin()) {
add_action('wp_enqueue_scripts', 'perfmatters_enqueue_instant_page', PHP_INT_MAX);
add_filter('script_loader_tag', 'perfmatters_instant_page_attribute', 10, 2);
}
}
function perfmatters_enqueue_instant_page() {
if(isset($_GET['perfmattersoff'])) {
return;
}
//exclude specific woocommerce pages
if(Perfmatters\Utilities::is_woocommerce()) {
return;
}
$exclude_instant_page = Perfmatters\Utilities::get_post_meta('perfmatters_exclude_instant_page');
if(!$exclude_instant_page) {
wp_register_script('perfmatters-instant-page', plugins_url('vendor/instant-page/instantpage.js', dirname(__FILE__)), array(), PERFMATTERS_VERSION, true);
wp_enqueue_script('perfmatters-instant-page');
}
}
//add ignore attribute for rocket loader
function perfmatters_instant_page_attribute($tag, $handle) {
if($handle !== 'perfmatters-instant-page') {
return $tag;
}
return str_replace(' src', ' data-cfasync="false" data-no-optimize="1" src', $tag);
}
/* Google Analytics
/***********************************************************************/
//enable/disable local analytics scheduled event
if(!empty($perfmatters_options['analytics']['enable_local_ga'])) {
$print_analytics = true;
if(empty($perfmatters_options['analytics']['script_type']) || $perfmatters_options['analytics']['script_type'] == 'gtag' || $perfmatters_options['analytics']['script_type'] == 'gtagv4') {
if(!wp_next_scheduled('perfmatters_update_ga')) {
wp_schedule_event(time(), 'daily', 'perfmatters_update_ga');
}
if(empty($perfmatters_options['analytics']['script_type']) || $perfmatters_options['analytics']['script_type'] == 'gtag') {
if(!empty($perfmatters_options['analytics']['use_monster_insights'])) {
$print_analytics = false;
add_filter('monsterinsights_frontend_output_analytics_src', 'perfmatters_monster_ga', 1000);
add_filter('monsterinsights_frontend_output_gtag_src', 'perfmatters_monster_ga_gtag', 1000);
}
}
}
else {
if(wp_next_scheduled('perfmatters_update_ga')) {
wp_clear_scheduled_hook('perfmatters_update_ga');
}
}
if($print_analytics) {
if(!empty($perfmatters_options['analytics']['tracking_code_position']) && $perfmatters_options['analytics']['tracking_code_position'] == 'footer') {
$tracking_code_position = 'wp_footer';
}
else {
$tracking_code_position = 'wp_head';
}
add_action($tracking_code_position, 'perfmatters_print_ga');
}
//add notice if tracking id isnt set
if(empty($perfmatters_options['analytics']['tracking_id'])) {
add_action('admin_notices', 'perfmatters_admin_notice_ga_tracking_id');
}
}
else {
if(wp_next_scheduled('perfmatters_update_ga')) {
wp_clear_scheduled_hook('perfmatters_update_ga');
}
}
//update analytics.js
function perfmatters_update_ga() {
$options = get_option('perfmatters_options');
$queue = array();
$upload_dir = wp_get_upload_dir();
//add analytics.js to the queue
if(empty($options['analytics']['script_type']) || $options['analytics']['script_type'] == 'gtag') {
$queue['analytics'] = array(
'remote' => 'https://www.google-analytics.com/analytics.js',
'local' => dirname(dirname(__FILE__)) . '/js/analytics.js'
);
}
//add gtag to queue
if((!empty($options['analytics']['script_type']) && ($options['analytics']['script_type'] == 'gtag' || $options['analytics']['script_type'] == 'gtagv4')) || (empty($options['analytics']['script_type']) && !empty($options['analytics']['use_monster_insights']))) {
if(!empty($options['analytics']['tracking_id'])) {
$script_type = !empty($options['analytics']['script_type']) ? $options['analytics']['script_type'] : 'gtag';
$queue[$script_type]= array(
'remote' => 'https://www.googletagmanager.com/gtag/js?id=' . $options['analytics']['tracking_id'],
'local' => $upload_dir['basedir'] . '/perfmatters/' . $script_type . '.js'
);
}
}
if(!empty($queue)) {
foreach($queue as $type => $files) {
if(!empty($files['remote']) && !empty($files['local'])) {
$file = wp_remote_get($files['remote']);
if(is_wp_error($file)) {
return $file->get_error_code() . ': ' . $file->get_error_message();
}
if(!is_dir($upload_dir['basedir'] . '/perfmatters/')) {
wp_mkdir_p($upload_dir['basedir'] . '/perfmatters/');
}
if($type == 'gtag') {
$plugins_url = (!empty($options['analytics']['cdn_url']) ? trailingslashit($options['analytics']['cdn_url']) . 'wp-content/plugins' : str_replace('http:', 'https:', plugins_url())) . '/perfmatters/js/';
$split_upload_dir = explode('/wp-content/', $upload_dir['baseurl']);
$uploads_url = (!empty($options['analytics']['cdn_url']) ? trailingslashit($options['analytics']['cdn_url']) . 'wp-content/' . $split_upload_dir[1] : $upload_dir['baseurl']) . '/perfmatters';
$body = str_replace('https://www.google-analytics.com/', $plugins_url, $file['body']);
$body = str_replace('/gtag/js?id=', '/gtag.js?id=', $body);
$body = str_replace('"//www.googletagmanager.com"', '"' . preg_replace('(^https?:)', "", $uploads_url) . '"', $body);
}
else {
$body = $file['body'];
}
file_put_contents($files['local'], $body);
}
}
}
}
add_action('perfmatters_update_ga', 'perfmatters_update_ga');
//print analytics script
function perfmatters_print_ga() {
$options = get_option('perfmatters_options');
//dont print for logged in admins
if(current_user_can('manage_options') && empty($options['analytics']['track_admins'])) {
return;
}
//make sure we have a tracking id
if(empty($options['analytics']['tracking_id'])) {
return;
}
$upload_dir = wp_get_upload_dir();
$output = '';
if(empty($options['analytics']['script_type'])) {
$output.= "<script>";
$output.= "(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','" . str_replace('http:', 'https:', plugins_url()) . "/perfmatters/js/analytics.js','ga');";
$output.= "ga('create', '" . $options['analytics']['tracking_id'] . "', 'auto');";
//disable display features
if(!empty($options['analytics']['disable_display_features'])) {
$output.= "ga('set', 'allowAdFeatures', false);";
}
//anonymize ip
if(!empty($options['analytics']['anonymize_ip'])) {
$output.= "ga('set', 'anonymizeIp', true);";
}
$output.= "ga('send', 'pageview');";
//adjusted bounce rate
if(!empty($options['analytics']['adjusted_bounce_rate'])) {
$output.= 'setTimeout("ga(' . "'send','event','adjusted bounce rate','" . $options['analytics']['adjusted_bounce_rate'] . " seconds')" . '"' . "," . $options['analytics']['adjusted_bounce_rate'] * 1000 . ");";
}
$output.= "</script>";
}
elseif($options['analytics']['script_type'] == 'gtag') {
$output.= '<script src="' . $upload_dir['baseurl'] . '/perfmatters/gtag.js?id=' . $options['analytics']['tracking_id'] . '"></script>';
$output.= '<script>window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments);}gtag("js", new Date());gtag("config", "' . $options['analytics']['tracking_id'] . '", {' . (!empty($options['analytics']['anonymize_ip']) ? '"anonymize_ip": true' : '') . '});';
if(!empty($options['analytics']['dual_tracking']) && !empty($options['analytics']['measurement_id'])) {
$output.= 'gtag("config", "' . $options['analytics']['measurement_id'] . '");';
}
$output.= '</script>';
}
elseif($options['analytics']['script_type'] == 'gtagv4') {
$output.= '<script src="' . $upload_dir['baseurl'] . '/perfmatters/gtagv4.js?id=' . $options['analytics']['tracking_id'] . '"></script>';
$output.= '<script>window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments);}gtag("js", new Date());gtag("config", "' . $options['analytics']['tracking_id'] . '");</script>';
}
elseif($options['analytics']['script_type'] == 'minimal') {
$output.= '<script>window.pmGAID="' . $options['analytics']['tracking_id'] . '";' . (!empty($options['analytics']['anonymize_ip']) ? 'window.pmGAAIP=true;' : '') . '</script>';
$output.= '<script src="' . str_replace('http:', 'https:', plugins_url()) . '/perfmatters/js/analytics-minimal.js"></script>';
}
elseif($options['analytics']['script_type'] == 'minimal_inline') {
$output.= '<script>(function(a,b,c){var d=a.history,e=document,f=navigator||{},g=localStorage,h=encodeURIComponent,i=d.pushState,k=function(){return Math.random().toString(36)},l=function(){return g.cid||(g.cid=k()),g.cid},m=function(r){var s=[];for(var t in r)r.hasOwnProperty(t)&&void 0!==r[t]&&s.push(h(t)+"="+h(r[t]));return s.join("&")},n=function(r,s,t,u,v,w,x){var z="https://www.google-analytics.com/collect",A=m({v:"1",ds:"web",aip:c.anonymizeIp?1:void 0,tid:b,cid:l(),t:r||"pageview",sd:c.colorDepth&&screen.colorDepth?screen.colorDepth+"-bits":void 0,dr:e.referrer||void 0,dt:e.title,dl:e.location.origin+e.location.pathname+e.location.search,ul:c.language?(f.language||"").toLowerCase():void 0,de:c.characterSet?e.characterSet:void 0,sr:c.screenSize?(a.screen||{}).width+"x"+(a.screen||{}).height:void 0,vp:c.screenSize&&a.visualViewport?(a.visualViewport||{}).width+"x"+(a.visualViewport||{}).height:void 0,ec:s||void 0,ea:t||void 0,el:u||void 0,ev:v||void 0,exd:w||void 0,exf:"undefined"!=typeof x&&!1==!!x?0:void 0});if(f.sendBeacon)f.sendBeacon(z,A);else{var y=new XMLHttpRequest;y.open("POST",z,!0),y.send(A)}};d.pushState=function(r){return"function"==typeof d.onpushstate&&d.onpushstate({state:r}),setTimeout(n,c.delay||10),i.apply(d,arguments)},n(),a.ma={trackEvent:function o(r,s,t,u){return n("event",r,s,t,u)},trackException:function q(r,s){return n("exception",null,null,null,null,r,s)}}})(window,"' . $options['analytics']['tracking_id'] . '",{' . (!empty($options['analytics']['anonymize_ip']) ? 'anonymizeIp:true,' : '') . 'colorDepth:true,characterSet:true,screenSize:true,language:true});</script>';
}
//amp analytics
if(!empty($options['analytics']['enable_amp']) && (empty($options['analytics']['script_type']) || $options['analytics']['script_type'] != 'gtagv4')) {
if(function_exists('is_amp_endpoint') && is_amp_endpoint()) {
$output.= '<script async custom-element="amp-analytics" src="https://cdn.ampproject.org/v0/amp-analytics-0.1.js"></script>';
$output.= '<amp-analytics type="gtag" data-credentials="include"><script type="application/json">{"vars" : {"gtag_id": "' . $options['analytics']['tracking_id'] . '", "config" : {"' . $options['analytics']['tracking_id'] . '": { "groups": "default" }}}}</script></amp-analytics>';
}
}
if(!empty($output)) {
echo $output;
}
}
//return local anlytics url for Monster Insights
function perfmatters_monster_ga($url) {
return str_replace('http:', 'https:', plugins_url()) . "/perfmatters/js/analytics.js";
}
//return local gtag url for Monster Insights
function perfmatters_monster_ga_gtag($url) {
$upload_dir = wp_get_upload_dir();
return $upload_dir['baseurl'] . '/perfmatters/gtag.js';
}
//run analytics updater after settings update if we need to
function perfmatters_update_option_perfmatters_options($old_value, $new_value) {
$new_script_type = $new_value['analytics']['script_type'] ?? '';
$old_script_type = $old_value['analytics']['script_type'] ?? '';
$update_flag = false;
if($new_script_type != $old_script_type && (empty($new_script_type) || $new_script_type == 'gtag' || $new_script_type == 'gtagv4')) {
$update_flag = true;
}
if(!empty($new_value['analytics']['tracking_id']) && $new_value['analytics']['tracking_id'] != ($old_value['analytics']['tracking_id'] ?? '') && ($new_script_type == 'gtag' || $new_script_type == 'gtagv4')) {
$update_flag = true;
}
if(($new_value['analytics']['cdn_url'] ?? '') != ($old_value['analytics']['cdn_url'] ?? '') && $new_script_type == 'gtag') {
$update_flag = true;
}
if(empty($new_value['analytics']['script_type']) && empty($old_value['analytics']['use_monster_insights']) && !empty($new_value['analytics']['use_monster_insights'])) {
$update_flag = true;
}
if($update_flag) {
perfmatters_update_ga();
}
}
//notice in case analytics is on without tracking id
function perfmatters_admin_notice_ga_tracking_id() {
echo "<div class='notice notice-error'>";
echo "<p>";
echo "<strong>" . __('Perfmatters Warning', 'perfmatters') . ":</strong> ";
echo __('Local Analytics is enabled but no Tracking ID is set.', 'perfmatters');
echo "</p>";
echo "</div>";
}
/* Preconnect
/***********************************************************************/
if(!empty($perfmatters_options['preload']['preconnect'])) {
add_action('wp_head', 'perfmatters_preconnect', 1);
}
function perfmatters_preconnect() {
global $perfmatters_options;
if(!empty($perfmatters_options['preload']['preconnect']) && is_array($perfmatters_options['preload']['preconnect'])) {
foreach($perfmatters_options['preload']['preconnect'] as $line) {
if(is_array($line)) {
echo "<link rel='preconnect' href='" . $line['url'] . "' " . (isset($line['crossorigin']) && $line['crossorigin'] ? "crossorigin" : "") . ">" . "\n";
}
else {
echo "<link rel='preconnect' href='" . $line . "' crossorigin>" . "\n";
}
}
}
}
/* DNS Prefetch
/***********************************************************************/
if(!empty($perfmatters_options['preload']['dns_prefetch'])) {
add_action('wp_head', 'perfmatters_dns_prefetch', 1);
}
function perfmatters_dns_prefetch() {
global $perfmatters_options;
if(!empty($perfmatters_options['preload']['dns_prefetch']) && is_array($perfmatters_options['preload']['dns_prefetch'])) {
foreach($perfmatters_options['preload']['dns_prefetch'] as $url) {
echo "<link rel='dns-prefetch' href='" . $url . "'>" . "\n";
}
}
}
/* Blank Favicon
/***********************************************************************/
if(!empty($perfmatters_options['blank_favicon'])) {
add_action('wp_head', 'perfmatters_blank_favicon');
}
function perfmatters_blank_favicon() {
echo '<link href="data:image/x-icon;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQEAYAAABPYyMiAAAABmJLR0T///////8JWPfcAAAACXBIWXMAAABIAAAASABGyWs+AAAAF0lEQVRIx2NgGAWjYBSMglEwCkbBSAcACBAAAeaR9cIAAAAASUVORK5CYII=" rel="icon" type="image/x-icon" />';
}
/* Remove Global Styles
/***********************************************************************/
if(!empty($perfmatters_options['remove_global_styles'])) {
add_action('after_setup_theme', function() {
remove_action('wp_enqueue_scripts', 'wp_enqueue_global_styles');
remove_action('wp_footer', 'wp_enqueue_global_styles', 1);
remove_action('wp_body_open', 'wp_global_styles_render_svg_filters');
remove_action('in_admin_header', 'wp_global_styles_render_svg_filters');
});
}
/* Header Code
/***********************************************************************/
if(!empty($perfmatters_options['assets']['header_code'])) {
add_action('wp_head', 'perfmatters_insert_header_code');
}
function perfmatters_insert_header_code() {
global $perfmatters_options;
if(!empty($perfmatters_options['assets']['header_code'])) {
echo $perfmatters_options['assets']['header_code'];
}
}
/* Body Code
/***********************************************************************/
if(!empty($perfmatters_options['assets']['body_code'])) {
if(function_exists('wp_body_open') && version_compare(get_bloginfo('version'), '5.2' , '>=')) {
add_action('wp_body_open', 'perfmatters_insert_body_code');
}
}
function perfmatters_insert_body_code() {
global $perfmatters_options;
if(!empty($perfmatters_options['assets']['body_code'])) {
echo $perfmatters_options['assets']['body_code'];
}
}
/* Footer Code
/***********************************************************************/
if(!empty($perfmatters_options['assets']['footer_code'])) {
add_action('wp_footer', 'perfmatters_insert_footer_code');
}
function perfmatters_insert_footer_code() {
global $perfmatters_options;
if(!empty($perfmatters_options['assets']['footer_code'])) {
echo $perfmatters_options['assets']['footer_code'];
}
}
/* Disable capital_P_dangit filter
/***********************************************************************/
$filters = array('the_content', 'the_title', 'wp_title', 'comment_text');
foreach($filters as $filter) {
$priority = has_filter($filter, 'capital_P_dangit');
if($priority !== false) {
remove_filter($filter, 'capital_P_dangit', $priority);
}
}
//check option update for custom inputs and modify result
function perfmatters_pre_update_option_perfmatters_options($new_value, $old_value) {
//clear used css button press
if(!empty($new_value['assets']['clear_used_css'])) {
Perfmatters\CSS::clear_used_css();
//display message
add_settings_error('perfmatters', 'perfmatters-clear-success', __('Used CSS cleared.', 'perfmatters'), 'success');
return $old_value;
}
if((empty($new_value['assets']['rucss_excluded_stylesheets']) !== empty($old_value['assets']['rucss_excluded_stylesheets'])) || (empty($new_value['assets']['rucss_excluded_selectors']) !== empty($old_value['assets']['rucss_excluded_selectors']))) {
Perfmatters\CSS::clear_used_css();
}
//clear local fonts button press
if(!empty($new_value['fonts']['clear_fonts'])) {
Perfmatters\Fonts::clear_local_fonts();
//display message
add_settings_error('perfmatters', 'perfmatters-clear-success', __('Local fonts cleared.', 'perfmatters'), 'success');
return $old_value;
}
if((empty($new_value['fonts']['display_swap']) !== empty($old_value['fonts']['display_swap'])) || (isset($new_value['fonts']['cdn_url']) && isset($old_value['fonts']['cdn_url']) && $new_value['fonts']['cdn_url'] !== $old_value['fonts']['cdn_url'])) {
Perfmatters\Fonts::clear_local_fonts();
}
return $new_value;
}
//check option update for custom inputs and modify result
function perfmatters_pre_update_option_perfmatters_tools($new_value, $old_value) {
//restore plugin default options
if(!empty($new_value['restore_defaults'])) {
$defaults = perfmatters_default_options();
if(!empty($defaults)) {
update_option("perfmatters_options", $defaults);
}
add_settings_error('perfmatters', 'perfmatters-restore-success', __('Successfully restored default options.', 'perfmatters'), 'success');
return $old_value;
}
//purge meta options button press
if(!empty($new_value['purge_meta'])) {
//no meta options selected
if(empty($_POST['perfmatters_tools_temp']['purge_meta_options'])) {
add_settings_error('perfmatters', 'perfmatters-purge-meta-error', __('No meta options selected.', 'perfmatters'), 'error');
return $old_value;
}
global $wpdb;
$purged = array();
//delete selected options from postmeta table
foreach($_POST['perfmatters_tools_temp']['purge_meta_options'] as $key => $meta_key) {
$result = $wpdb->delete($wpdb->prefix . 'postmeta', array('meta_key' => $meta_key));
if($result !== false) {
$purged[] = $meta_key;
}
}
//display message
if(!empty($purged)) {
add_settings_error('perfmatters', 'perfmatters-purge-success', __('Meta options purged.', 'perfmatters'), 'success');
}
else {
add_settings_error('perfmatters', 'perfmatters-purge-error', __('Meta options not purged.', 'perfmatters'), 'error');
}
return $old_value;
}
//export settings button was pressed
if(!empty($new_value['export_settings'])) {
$settings = array();
$settings['perfmatters_options'] = get_option('perfmatters_options');
$settings['perfmatters_tools'] = get_option('perfmatters_tools');
ignore_user_abort(true);
//setup headers
nocache_headers();
header('Content-Type: application/json; charset=utf-8');
header('Content-Disposition: attachment; filename=perfmatters-settings-export-' . date('Y-m-d') . '.json');
header('Expires: 0');
//print encoded file
echo json_encode($settings);
exit;
}
if(!empty($new_value['import_settings']) || !empty($new_value['import_settings_file'])) {
//get temporary file
$import_file = $_FILES['perfmatters_import_settings_file']['tmp_name'];
//cancel if there's no file
if(empty($import_file)) {
add_settings_error('perfmatters', 'perfmatters-import-error', __('No import file given.', 'perfmatters'), 'error');
return $old_value;
}
//check if uploaded file is valid
$file_parts = explode('.', $_FILES['perfmatters_import_settings_file']['name']);
$extension = end($file_parts);
if($extension != 'json') {
add_settings_error('perfmatters', 'perfmatters-import-error', __('Please upload a valid .json file.', 'perfmatters'), 'error');
return $old_value;
}
//unpack settings from file
$settings = (array) json_decode(file_get_contents($import_file), true);
if(isset($settings['perfmatters_options'])) {
update_option('perfmatters_options', $settings['perfmatters_options']);
}
if(isset($settings['perfmatters_tools'])) {
update_option('perfmatters_tools', $settings['perfmatters_tools']);
}
add_settings_error('perfmatters', 'perfmatters-import-success', __('Successfully imported Perfmatters settings.', 'perfmatters'), 'success');
return $old_value;
}
return $new_value;
}
//add filter to update options
function perfmatters_update_options() {
add_filter('pre_update_option_perfmatters_options', 'perfmatters_pre_update_option_perfmatters_options', 10, 2);
add_filter('pre_update_option_perfmatters_tools', 'perfmatters_pre_update_option_perfmatters_tools', 10, 2);
add_filter('update_option_perfmatters_options', 'perfmatters_update_option_perfmatters_options', 10, 2);
}
add_action('admin_init', 'perfmatters_update_options');
//check for page builder query args
function perfmatters_is_page_builder() {
$page_builders = apply_filters('perfmatters_page_builders', array(
'elementor-preview', //elementor
'fl_builder', //beaver builder
'et_fb', //divi
'ct_builder', //oxygen
'tve', //thrive
'app', //flatsome
'uxb_iframe',
'fb-edit', //fusion builder
'builder',
'bricks', //bricks
'vc_editable', //wp bakery
'op3editor' //optimizepress
));
if(!empty($page_builders)) {
foreach($page_builders as $page_builder) {
if(isset($_GET[$page_builder])) {
return true;
}
}
}
return false;
}
//check if the current request is rest or ajax
function perfmatters_is_dynamic_request () {
if((defined('REST_REQUEST') && REST_REQUEST) || (function_exists('wp_is_json_request') && wp_is_json_request()) || wp_doing_ajax() || wp_doing_cron()) {
return true;
}
return false;
}
/* EDD License Functions
/***********************************************************************/
function perfmatters_activate_license() {
//grab existing license data
$license = is_network_admin() ? get_site_option('perfmatters_edd_license_key') : get_option('perfmatters_edd_license_key');
if(!empty($license)) {
//data to send in our API request
$api_params = array(
'edd_action'=> 'activate_license',
'license' => $license,
'item_name' => urlencode(PERFMATTERS_ITEM_NAME), // the name of our product in EDD
'url' => home_url()
);
//Call the custom API.
$response = wp_remote_post(PERFMATTERS_STORE_URL, array('timeout' => 15, 'sslverify' => true, 'body' => $api_params));
//make sure the response came back okay
if(is_wp_error($response)) {
return false;
}
//decode the license data
$license_data = json_decode(wp_remote_retrieve_body($response));
//update stored option
if(is_network_admin()) {
update_site_option('perfmatters_edd_license_status', $license_data->license);
}
else {
update_option('perfmatters_edd_license_status', $license_data->license);
}
}
}
function perfmatters_deactivate_license() {
//grab existing license data
$license = is_network_admin() ? get_site_option('perfmatters_edd_license_key') : get_option('perfmatters_edd_license_key');
if(!empty($license)) {
// data to send in our API request
$api_params = array(
'edd_action'=> 'deactivate_license',
'license' => $license,
'item_name' => urlencode(PERFMATTERS_ITEM_NAME), // the name of our product in EDD
'url' => home_url()
);
// Call the custom API.
$response = wp_remote_post(PERFMATTERS_STORE_URL, array('timeout' => 15, 'sslverify' => true, 'body' => $api_params));
// make sure the response came back okay
if(is_wp_error($response)) {
return false;
}
// decode the license data
$license_data = json_decode(wp_remote_retrieve_body($response));
// $license_data->license will be either "deactivated" or "failed"
if($license_data->license == 'deactivated') {
//update license option
if(is_network_admin()) {
delete_site_option('perfmatters_edd_license_status');
}
else {
delete_option('perfmatters_edd_license_status');
}
}
}
}
function perfmatters_check_license() {
//grab existing license data
$license = is_network_admin() ? get_site_option('perfmatters_edd_license_key') : get_option('perfmatters_edd_license_key');
if(!empty($license)) {
$api_params = array(
'edd_action' => 'check_license',
'license' => $license,
'item_name' => urlencode(PERFMATTERS_ITEM_NAME),
'url' => home_url()
);
// Call the custom API.
$response = wp_remote_post(PERFMATTERS_STORE_URL, array('timeout' => 15, 'sslverify' => true, 'body' => $api_params));
//make sure the response came back okay
if(is_wp_error($response)) {
return false;
}
//decode the license data
$license_data = json_decode(wp_remote_retrieve_body($response));
//update license option
if(is_network_admin()) {
update_site_option('perfmatters_edd_license_status', $license_data->license);
}
else {
update_option('perfmatters_edd_license_status', $license_data->license);
}
//return license data for use
return($license_data);
}
return false;
}