# adminify/1.0.3/inc/classes/Tweaks.php

Adminify – White Label, Admin Menu Editor, Login Customizer, version 1.0.3. 896 lines.

- Page: https://pluginprobe.com/plugins/adminify/1.0.3/code/inc/classes/Tweaks.php
- Raw: https://pluginprobe.com/plugins/adminify/1.0.3/raw/inc/classes/Tweaks.php
- Modified: 2021-10-01T14:38:52+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/adminify/1.0.3/code/inc/classes/Tweaks.php#L10-L20`.

```php
<?php

namespace WPAdminify\Inc\Classes;

use WPAdminify\Inc\Utils;
use WPAdminify\Inc\Admin\AdminSettings;
use WPAdminify\Inc\Admin\AdminSettingsModel;

// no direct access allowed
if (!defined('ABSPATH'))  exit;

/**
 * @package WP Adminify
 * @author: Jewel Theme<support@jeweltheme.com>
 */

class Tweaks extends AdminSettingsModel
{
    public $redirect_status = 301;

    public function __construct()
    {
        $this->options = (array) AdminSettings::get_instance()->get();
        $this->tweaks_init();
        $this->jltwp_adminify_cleanup();
        $this->http_response_cleanup();
        $this->wp_json_api_cleanup();
        $this->comments_cleanup();
        $this->archives_cleanup();
        $this->attachments_cleanup();
        $this->performance_cleanup();
        $this->remove_welcome_panel();
        $this->remove_try_gutenberg_panel();
        // $this->remove_items_from_admin_bar();
    }

    public function tweaks_init()
    {
        /* Disable Self Pings */
        if (!empty($this->options['self_ping'])) {
            add_action('pre_ping', [$this, 'jltwp_adminify_no_self_ping']);
        }


        /** Remove Dashicons from Admin Bar for non logged in users **/
        if (!empty($this->options['remove_dashicons'])) {
            add_action('wp_print_styles', [$this, 'jltwp_adminify_remove_dashicons'], 100);
        }

        /** Disable REST API **/
        if (!empty($this->options['disable_rest_api'])) {
            // Filters for WP-API version 1.x
            add_filter('json_enabled', '__return_false');
            add_filter('json_jsonp_enabled', '__return_false');

            // Filters for WP-API version 2.x
            // add_filter('rest_enabled', '__return_false');
            add_filter('rest_jsonp_enabled', '__return_false');
        }


        /** Control Interval Heartbeat API **/
        if (!empty($this->options['control_heartbeat_api'])) {
            add_filter('heartbeat_settings', [$this, 'jltwp_adminify_control_heartbeat']);
        }

        /** Remove Version Query Strings from Scripts/Styles **/
        if (!empty($this->options['remove_version_strings'])) {
            add_filter('script_loader_src', [$this, 'jltwp_adminify_remove_script_version'], 15, 1);
            add_filter('style_loader_src', [$this, 'jltwp_adminify_remove_script_version'], 15, 1);
        }

        /** Remove Version Query Strings from Scripts/Styles **/
        if (!empty($this->options['remove_canonical'])) {
            remove_action('embed_head', 'rel_canonical');
            add_filter('wpseo_canonical', '__return_false');
        }

        /** Remove Capital P Dangit **/
        if (!empty($this->options['remove_capital_p_dangit'])) {
            remove_filter('the_title', 'capital_P_dangit', 11);
            remove_filter('the_content', 'capital_P_dangit', 11);
            remove_filter('comment_text', 'capital_P_dangit', 31);
        }

        /** Disable PDF Thumbnails Preview **/
        if (!empty($this->options['disable_pdf_thumbnail'])) {
            add_filter('fallback_intermediate_image_sizes', [$this, 'jltwp_adminify_disable_pdf_previews']);
        }

        /** Secure method for Defer Parsing of JavaScript moving ALL JS from Header to Footer **/
        if (!empty($this->options['defer_parsing_js_footer'])) {
            add_filter('script_loader_tag', [$this, 'jltwp_adminify_defer_parsing_of_js'], 10, 2);
        }


        /* Remove Gravatar Query Strings */
        if (!empty($this->options['gravatar_query_strings'])) {
            add_filter('get_avatar_url', [$this, 'jltwp_adminify_avatar_remove_querystring']);
        }

        // Add Custom Default Gravatar Image
        if (!empty($this->options['enable_custom_gravatar'])) {
            add_filter('avatar_defaults', [$this, 'jltwp_adminify_add_custom_gravatar']);
        }

        /* Add Featured Image or Post Thumbnail to RSS Feed */
        if (!empty($this->options['thumbnails_rss_feed'])) {
            add_filter('the_excerpt_rss', [$this, 'jltwp_adminify_rss_post_thumbnail']);
            add_filter('the_content_feed', [$this, 'jltwp_adminify_rss_post_thumbnail']);
        }

        // tag and category hooks
        if (!empty($this->options['display_last_modified_date'])) {
            add_filter('the_content', [$this, 'jltwp_adminify_last_updated_date'], 10, 1);
            add_filter('wp_head', [$this, 'jltwp_adminify_last_updated_date_style']);
        }

        if (!empty($this->options['remove_image_link'])) {
            add_action('admin_init', [$this, 'jltwp_adminify_imagelink'], 10);
        }

        /** Browser Cache Expires & GZIP Compression **/
        if (!empty($this->options['cache_gzip_compression'])) {
            register_activation_hook(__FILE__, [$this, 'jltwp_adminify_htaccess']);
        }
        /**
         * We run the function that ckecks here
         * if there are $lineas content between:
         * # BEGIN WP Adminify by Jewel Theme
         * and...
         * # END WP Adminify by Jewel Theme
         * If exist and it's the same we don't do anything,
         * if has changed, we update it to the new one
         * if it doesn't exist we write it.
         */
        register_deactivation_hook(__FILE__, [$this, 'jltwp_adminify_delete_tweaks_htaccess']);
    }


    // Remove Items from Admin bar
    public function remove_items_from_admin_bar()
    {
        // add_action('admin_bar_menu', [$this, 'remove_from_admin_bar'], 999);
        add_action('admin_bar_menu', [$this, 'clear_node_title'], 999);
    }

    // Clear the node titles
    // This will only work if the node is using a :before element for the icon
    public function clear_node_title($wp_admin_bar)
    {

        $all_toolbar_nodes = $wp_admin_bar->get_nodes();
        // Create an array of node ID's we'd like to remove
        $clear_titles = array(
            'site-name',
            'customize',
        );

        foreach ($all_toolbar_nodes as $node) {

            // Run an if check to see if a node is in the array to clear_titles
            if (in_array($node->id, $clear_titles)) {
                // use the same node's properties
                $args = $node;

                // make the node title a blank string
                $args->title = '';

                // update the Toolbar node
                $wp_admin_bar->add_node($args);
            }
        }
    }

    // Remove items from the admin bar
    public function remove_from_admin_bar($wp_admin_bar)
    {
        /*
     * Placing items in here will only remove them from admin bar
     * when viewing the fronte end of the site
    */
        if (!is_admin()) {
            // Example of removing item generated by plugin. Full ID is #wp-admin-bar-si_menu
            $wp_admin_bar->remove_node('si_menu');

            // WordPress Core Items (uncomment to remove)
            $wp_admin_bar->remove_node('updates');
            $wp_admin_bar->remove_node('comments');
            $wp_admin_bar->remove_node('new-content');
            //$wp_admin_bar->remove_node('wp-logo');
            //$wp_admin_bar->remove_node('site-name');
            //$wp_admin_bar->remove_node('my-account');
            //$wp_admin_bar->remove_node('search');
            //$wp_admin_bar->remove_node('customize');
        }

        /*
     * Items placed outside the if statement will remove it from both the frontend
     * and backend of the site
    */
        $wp_admin_bar->remove_node('wp-logo');
    }


    /**
     * Remove Welcome Panel
     */
    public function remove_welcome_panel()
    {
        if (!empty($this->options["remove_welcome_panel"])) {
            remove_action('welcome_panel', 'wp_welcome_panel');
        }
    }


    /**
     * Remove "Try Gutenberg Panel"
     */
    public function remove_try_gutenberg_panel()
    {
        if (!empty($this->options["remove_try_gutenberg_panel"])) {
            remove_action('try_gutenberg_panel', 'wp_try_gutenberg_panel');
        }
    }


    // Custom Avatars
    public function jltwp_adminify_add_custom_gravatar($avatar_defaults)
    {
        if (!empty($this->options['custom_gravatar_image'])) {
            foreach ($this->options['custom_gravatar_image'] as $key => $value) {
                $avatar_url = esc_url_raw($value['avatar_image']['url']);
                $avatar_defaults[$avatar_url] = $value['avatar_name'];
            }
            return $avatar_defaults;
        }
    }


    // Cleanup Hooks
    public function jltwp_adminify_cleanup()
    {

        // Hide Admin bar
        if (!empty($this->options['show_admin_bar'])) {
            add_filter('show_admin_bar', '__return_false');
        }

        //Remove Admin Footer Version Number
        if (!empty($this->options['admin_footer_default_wp_version'])) {
            add_action('admin_menu', [$this, 'remove_admin_footer_version']);
        }

        // Remove WordPress Version Number
        if (!empty($this->options['generator_wp_version'])) {
            remove_action('wp_head', 'wp_generator'); // Remove WordPress Generator Version
            add_filter('the_generator', '__return_false'); // Remove Generator Name From Rss Feeds.
        }

        // Remove Revolution Slider generator version
        if (!empty($this->options['remove_revslider_generator'])) {
            add_filter('revslider_meta_generator', '__return_empty_string');
        }

        // Remove woocommerce generator version
        if (!empty($this->options['remove_wc_generator'])) {
            remove_action('wp_head', 'wc_generator_tag');
        }

        // Remove wpml meta generator tag
        if (!empty($this->options['remove_wpml_generator'])) {
            add_action('wp_head', [$this, '_remove_wpml_generator'], 0);
        }

        // Remove wpbakery visual_composer meta generator tag
        if (!empty($this->options['remove_visual_composer_generator'])) {
            add_action('wp_head', '_remove_visual_composer_generator', 1);
        }

        // Remove Yoast SEO meta generator tag
        if (!empty($this->options['remove_yoast_generator'])) {
            add_filter('wpseo_debug_markers', '__return_false');
        }

        //Remove WordPress.org Dns-prefetch.
        if (!empty($this->options['remove_dns_prefetch'])) {
            remove_action('wp_head', 'wp_resource_hints', 2);
        }

        // REMOVE wlwmanifest.xml.
        if (!empty($this->options['remove_wlwmanifest'])) {
            remove_action('wp_head', 'wlwmanifest_link');
        }

        // Remove Really Simple Discovery Link.
        if (!empty($this->options['remove_rsd'])) {
            remove_action('wp_head', 'rsd_link');
        }

        // Remove Shortlink Url
        if (!empty($this->options['remove_shortlink'])) {
            remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
            remove_action('template_redirect', 'wp_shortlink_header', 11);
        }

        // Remove Emoji Styles and Scripts
        if (!empty($this->options['remove_emoji'])) {
            remove_action('wp_head', 'print_emoji_detection_script', 7); // Remove Emoji's Styles and Scripts.
            remove_action('embeded_head', 'print_emoji_detection_script');
            remove_action('admin_print_scripts', 'print_emoji_detection_script'); // Remove Emoji's Styles and Scripts.
            remove_action('wp_print_styles', 'print_emoji_styles'); // Remove Emoji's Styles and Scripts.
            remove_action('admin_print_styles', 'print_emoji_styles'); // Remove Emoji's Styles and Scripts.
            remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
            remove_filter('the_content_feed', 'wp_staticize_emoji');
            remove_filter('comment_text_rss', 'wp_staticize_emoji');
            add_filter('tiny_mce_plugins', [$this, 'disable_emojicons_tinymce']);
            add_filter('emoji_svg_url', '__return_false');
        }


        $this->remove_feed();
        $this->redirect_feed();

        // Remove Link to Home Page.
        if (!empty($this->options['remove_link_url'])) {
            remove_action('wp_head', 'index_rel_link');
        }

        // Remove Prev/Next Link from Head
        if (!empty($this->options['remove_prev_next'])) {
            remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10); // Remove Prev-next Links From Header -not From Post-.
            remove_action('wp_head', 'adjacent_posts_rel_link', 10, 0); // Remove Prev-next Links.
            remove_action('wp_head', 'start_post_rel_link', 10, 0); // Remove Random Link Post.
            remove_action('wp_head', 'parent_post_rel_link', 10, 0); // Remove Parent Post Link.
        }


        // Remove styles for .recentcomments
        if (!empty($this->options['remove_recentcomments'])) {
            global $wp_widget_factory;
            remove_action('wp_head', array($wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style'));
        }

        // Remove styles for .recentcomments
        if (!empty($this->options['disable_xmlrpc'])) {
            add_action('wp_default_scripts', [$this, 'jltwp_adminify_disable_xmlrpc'], 9999);
        }
    }


    // Remove Visual Composer Generator
    public function _remove_visual_composer_generator()
    {
        if (class_exists('Vc_Manager')) {
            remove_action('wp_head', array(visual_composer(), 'addMetaData'));
        }
    }

    // Remove WPML Generator
    public function _remove_wpml_generator()
    {
        if (!empty($GLOBALS['sitepress'])) {
            remove_action(current_filter(), array($GLOBALS['sitepress'], 'meta_generator_tag'));
        }
    }

    /**
     * Disable XML-RPC
     * @access public
     * @since 1.0.0
     * @return void
     */
    public function jltwp_adminify_disable_xmlrpc()
    {
        add_filter('xmlrpc_enabled', '__return_false');
    }

    /**
     * Disable WP emojicons from TinyMCE
     * @access public
     * @since 1.0.0
     * @return void
     */
    public function disable_emojicons_tinymce($plugins)
    {
        if (is_array($plugins)) {
            return array_diff($plugins, array('wpemoji'));
        } else {
            return array();
        }
    }


    // HTTP Response Cleanup
    public function http_response_cleanup()
    {
        // Remove Link rel=shortlink from http
        if (!empty($this->options['remove_http_shortlink'])) {
            remove_action('template_redirect', 'wp_shortlink_header', 11);
        }

        // Remove X-Pingback
        if (!empty($this->options['remove_pingback'])) {
            add_filter('wp_headers', [$this, 'jltwp_adminify_remove_pingback_head']);
            add_action('wp', [$this, 'jltwp_adminify_remove_pingback']);
        }

        // Remove X-Powered-By
        if (!empty($this->options['remove_powered'])) {
            add_action('wp', [$this, 'jltwp_adminify_remove_powered']);
        }
    }

    public function jltwp_adminify_remove_powered()
    {
        if (function_exists('header_remove')) {
            header_remove('x-powered-by');
        }
    }

    public function jltwp_adminify_remove_pingback_head($headers)
    {
        if (isset($headers['X-Pingback'])) {
            unset($headers['X-Pingback']);
        }

        return $headers;
    }

    public function jltwp_adminify_remove_pingback()
    {
        if (function_exists('header_remove')) {
            header_remove('X-Pingback');
        }
    }

    // WP JSON API Cleanup
    public function wp_json_api_cleanup()
    {
        if (!empty($this->options['remove_api_head'])) {
            $this->remove_api_head();
        }
        $this->disable_all_api();

        if (!empty($this->options['remove_api_server'])) {
            $this->remove_api_server();
        }
    }
    public function remove_api_server()
    {
        remove_action('template_redirect', 'rest_output_link_header', 11);
    }

    public function disable_json_api()
    {
        // Filters for WP-API version 1.x
        add_filter('json_enabled', '__return_false');
        add_filter('json_jsonp_enabled', '__return_false');

        // Filters for WP-API version 2.x
        // add_filter('rest_enabled', '__return_false');
        add_filter('rest_jsonp_enabled', '__return_false');
    }

    public function disable_all_api()
    {
        $this->remove_api_head();
        $this->remove_api_server();
        $this->disable_json_api();

        // More REST API Hooks
        remove_action('rest_api_init', 'wp_oembed_register_route'); // Remove the REST API endpoint.
        remove_action('wp_head', 'wp_oembed_add_host_js'); // Remove oEmbed-specific JavaScript from the front-end and back-end.
        add_filter('embed_oembed_discover', '__return_false'); // Turn off oEmbed auto discovery.
        remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10); // Remove filter oEmbed results.
        add_filter('rewrite_rules_array', [$this, 'adminify_disable_embeds_rewrites']); // Remove all embeds rewrite rules.
    }


    /**
     * Remove all rewrite rules related to embeds.
     * @param array $rules WordPress rewrite rules.
     * @return array Rewrite rules without embeds rules.
     */
    public function adminify_disable_embeds_rewrites($rules)
    {
        foreach ($rules as $rule => $rewrite) {
            if (false !== strpos($rewrite, 'embed=true')) {
                unset($rules[$rule]);
            }
        }

        return $rules;
    }

    public function remove_api_head()
    {
        remove_action('wp_head', 'rest_output_link_wp_head');
        remove_action('wp_head', 'wp_oembed_add_discovery_links');
    }


    // Comments Cleanup
    public function comments_cleanup()
    {
        // Remove Comments Website/URL field
        if (!empty($this->options['remove_comments_url'])) {
            add_filter('comment_form_default_fields', [$this, 'jltwp_adminify_remove_comments_url']);
        }

        // Remove comment notes
        if (!empty($this->options['remove_comments_notes'])) {
            add_filter('comment_form_defaults', [$this, 'jltwp_adminify_remove_comments_notes']);
        }

        // Remove comment author link
        if (!empty($this->options['remove_comments_author_link'])) {
            add_filter('get_comment_author_link', [$this, 'jltwp_adminify_remove_comments_author_link']);
        }

        // Remove comments autolinking
        if (!empty($this->options['remove_comments_autolinking'])) {
            remove_filter('comment_text', 'make_clickable', 9);
        }
    }

    public function jltwp_adminify_remove_comments_author_link($author_link)
    {
        return strip_tags($author_link);
    }

    public function jltwp_adminify_remove_comments_notes($defaults)
    {
        $defaults['comment_notes_before'] = '';

        return $defaults;
    }

    public function jltwp_adminify_remove_comments_url($fields)
    {
        if (isset($fields['url']))
            unset($fields['url']);

        return $fields;
    }


    // Archives Cleanup
    public function archives_cleanup()
    {
        // Remove date archives
        if (!empty($this->options['remove_archives_date'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_date']);
        }

        // Remove Author archives
        if (!empty($this->options['remove_archives_author'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_author']);
        }

        // Remove tag archives
        if (!empty($this->options['remove_archives_tag'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_tag']);
        }

        // Remove category archives
        if (!empty($this->options['remove_archives_category'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_category']);
        }

        // Remove archives post formats
        if (!empty($this->options['remove_archives_postformat'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_postformat']);
        }

        // Remove search page
        if (!empty($this->options['remove_archives_search'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_archives_search']);
        }
    }

    public function jltwp_adminify_remove_archives_date()
    {
        if (is_date())
            $this->redirect();
    }

    public function jltwp_adminify_remove_archives_author()
    {
        if (is_author())
            $this->redirect();
    }

    public function jltwp_adminify_remove_archives_tag()
    {
        if (is_tag())
            $this->redirect();
    }

    public function jltwp_adminify_remove_archives_category()
    {
        if (is_category())
            $this->redirect();
    }

    public function jltwp_adminify_remove_archives_postformat()
    {
        if (is_tax('post_format'))
            $this->redirect();
    }

    public function jltwp_adminify_remove_archives_search()
    {
        if (is_search())
            $this->redirect();
    }

    public function attachments_cleanup()
    {
        // Remove attachments
        if (!empty($this->options['remove_attachment'])) {
            add_action('template_redirect', [$this, 'jltwp_adminify_remove_attachment']);
        }
    }

    public function jltwp_adminify_remove_attachment()
    {
        if (is_attachment()) {

            global $post;

            $url = get_the_permalink($post->post_parent);

            $this->redirect($url);
        }
    }

    // Redirect function
    public function redirect($url = false)
    {
        if ($url) {
            $target = $url;
        } else {
            $target = get_option('siteurl');
        }

        $target = apply_filters('wp_adminify_redirect_target', $target);
        $status = apply_filters('wp_adminify_redirect_status', $this->redirect_status);

        wp_redirect($target, $status);
        die();
    }

    // Disable Feeds
    public function redirect_feed()
    {
        $this->remove_feed();

        add_action('do_feed', [$this, '_redirect_feed'], 1);
        add_action('do_feed_rdf', [$this, '_redirect_feed'], 1);
        add_action('do_feed_rss', [$this, '_redirect_feed'], 1);
        add_action('do_feed_rss2', [$this, '_redirect_feed'], 1);
        add_action('do_feed_atom', [$this, '_redirect_feed'], 1);
    }

    public function _redirect_feed()
    {
        $this->redirect();
    }

    // Remove Feed Links
    public function remove_feed()
    {
        if (!empty($this->options['remove_feed'])) {
            remove_action('wp_head', 'feed_links_extra', 3); // Remove Every Extra Links to Rss Feeds.
            remove_action('wp_head', 'feed_links', 2);
            remove_action('wp_head', 'wc_products_rss_feed');
        }
    }

    public function remove_admin_footer_version()
    {
        // Remove WordPress Version except Admin
        if (!current_user_can('manage_options')) {
            remove_filter('update_footer', 'core_update_footer');
        }
    }


    /* Add Featured Image or Post Thumbnail to RSS Feed */
    public function jltwp_adminify_rss_post_thumbnail($content)
    {
        global $post;
        if (has_post_thumbnail($post->ID)) {
            $content = '<p>' . get_the_post_thumbnail($post->ID) .
                '</p>' . get_the_content();
        }
        return $content;
    }

    //Display Last Updated Date of Your Posts
    public function jltwp_adminify_last_updated_date($content)
    {
        $u_time = get_the_time('U');
        $u_modified_time = get_the_modified_time('U');
        $custom_content = '';
        if ($u_modified_time >= $u_time + 86400) {
            $updated_date = get_the_modified_time('F jS, Y');
            $updated_time = get_the_modified_time('h:i a');
            $modified_date = esc_html__('Last Updated on', WP_ADMINIFY_TD);
            $custom_content .= '<p class="last-updated"><span>' . $modified_date . '</span>' . $updated_date . ' ' . $updated_time . '</p>';
            $custom_content .= $content;
            return $custom_content;
        }
    }
    public function jltwp_adminify_last_updated_date_style()
    {
        echo '<style>.last-updated{background-color: #E8FFD7;border: 1px dashed red;} .last-updated span{padding: 0 10px;}</style>';
    }


    //Remove Default Image Links typeremove_image_link
    public function jltwp_adminify_imagelink()
    {
        $image_set = get_option('image_default_link_type');

        if ($image_set !== 'none') {
            update_option('image_default_link_type', 'none');
        }
    }


    /* Disable Self Pings */
    public function jltwp_adminify_no_self_ping(&$links)
    {
        $home = get_option('home');

        foreach ($links as $l => $link)

            if (0 === strpos($link, $home))

                unset($links[$l]);
    }


    /** Remove Dashicons from Admin Bar for non logged in users **/
    public function jltwp_adminify_remove_dashicons()
    {
        if (!is_admin_bar_showing() && !is_customize_preview()) {
            wp_dequeue_style('dashicons');
            wp_deregister_style('dashicons');
        }
    }


    /** Control Interval Heartbeat API **/
    public function jltwp_adminify_control_heartbeat($settings)
    {
        $settings['interval'] = 60;
        return $settings;
    }

    /** Remove Query Strings from Scripts/Styles **/
    public function jltwp_adminify_remove_script_version($src)
    {
        $parts = explode('?ver', $src);

        return $parts[0];
    }

    /* Remove Gravatar Query Strings */
    public function jltwp_adminify_avatar_remove_querystring($url)
    {
        $url_parts = explode('?', $url);
        return $url_parts[0];
    }

    /** Disable PDF Thumbnails Preview **/
    public function jltwp_adminify_disable_pdf_previews()
    {
        $fallbacksizes = array();
        return $fallbacksizes;
    }

    /** Secure method for Defer Parsing of JavaScript moving ALL JS from Header to Footer **/
    public function jltwp_adminify_defer_parsing_of_js($tag, $handle)
    {
        if (is_admin()) {
            return $tag;
        }
        if (strpos($tag, '/wp-includes/js/jquery/jquery')) {
            return $tag;
        }
        if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 9.') !== false) {
            return $tag;
        } else {
            return str_replace(' src', ' defer src', $tag);
        }
    }

    /** Browser Cache Expires & GZIP Compression **/
    public function jltwp_adminify_htaccess()
    {
        // We get the main WordPress .htaccess filepath.
        $ruta_htaccess = get_home_path() . '.htaccess'; // https://codex.wordpress.org/Function_Reference/get_home_path !

        $lineas = array();
        $lineas[] = '<IfModule mod_expires.c>';
        $lineas[] = '# Activar caducidad de contenido';
        $lineas[] = 'ExpiresActive On';
        $lineas[] = '# Directiva de caducidad por defecto';
        $lineas[] = 'ExpiresDefault "access plus 1 month"';
        $lineas[] = '# Para el favicon';
        $lineas[] = 'ExpiresByType image/x-icon "access plus 1 year"';
        $lineas[] = '# Imagenes';
        $lineas[] = 'ExpiresByType image/gif "access plus 1 month"';
        $lineas[] = 'ExpiresByType image/png "access plus 1 month"';
        $lineas[] = 'ExpiresByType image/jpg "access plus 1 month"';
        $lineas[] = 'ExpiresByType image/jpeg "access plus 1 month"';
        $lineas[] = '# CSS';
        $lineas[] = 'ExpiresByType text/css "access 1 month"';
        $lineas[] = '# Javascript';
        $lineas[] = 'ExpiresByType application/javascript "access plus 1 year"';
        $lineas[] = '</IfModule>';
        $lineas[] = '<IfModule mod_deflate.c>';
        $lineas[] = '# Activar compresión de contenidos estáticos';
        $lineas[] = 'AddOutputFilterByType DEFLATE text/plain text/html';
        $lineas[] = 'AddOutputFilterByType DEFLATE text/xml application/xml application/xhtml+xml application/xml-dtd';
        $lineas[] = 'AddOutputFilterByType DEFLATE application/rdf+xml application/rss+xml application/atom+xml image/svg+xml';
        $lineas[] = 'AddOutputFilterByType DEFLATE text/css text/javascript application/javascript application/x-javascript';
        $lineas[] = 'AddOutputFilterByType DEFLATE font/otf font/opentype application/font-otf application/x-font-otf';
        $lineas[] = 'AddOutputFilterByType DEFLATE font/ttf font/truetype application/font-ttf application/x-font-ttf';
        $lineas[] = '</IfModule>';

        insert_with_markers($ruta_htaccess, 'WP Adminify by Jewel Theme', $lineas); // https://developer.wordpress.org/reference/functions/insert_with_markers/ !
    }

    public function jltwp_adminify_delete_tweaks_htaccess()
    {
        // We get the mail WordPress .htaccess filepath.
        $ruta_htaccess = get_home_path() . '.htaccess'; // https://codex.wordpress.org/Function_Reference/get_home_path !

        $lineas = array();

        $lineas[] = '# Optimizaciones eliminadas al desactivar el plugin';

        insert_with_markers($ruta_htaccess, 'WP Adminify by Jewel Theme', $lineas); // https://developer.wordpress.org/reference/functions/insert_with_markers/ !
    }

    /**
     * Performance Cleanup
     * @access public
     * @since 1.0.0
     * @return void
     */
    public function performance_cleanup()
    {
        // Remove jQuery Migrate
        if (!empty($this->options['remove_jquery_migrate'])) {
            add_action('wp_default_scripts', [$this, 'jltwp_adminify_remove_jquery_migrate'], 9999);
        }

        // Remove Gutenberg scrips
        if (!empty($this->options['remove_gutenberg_scripts'])) {
            add_action('wp_default_scripts', [$this, 'jltwp_adminify_remove_gutenberg_scripts'], 9999);
        }
    }

    public function jltwp_adminify_remove_jquery_migrate($scripts)
    {
        if (!is_admin() && isset($scripts->registered['jquery'])) {
            $script = $scripts->registered['jquery'];
            if ($script->deps) { // Check whether the script has any dependencies
                $script->deps = array_diff($script->deps, array(
                    'jquery-migrate'
                ));
            }
        }
    }

    // Remove all scripts and styles added by Gutenberg
    public function jltwp_adminify_remove_gutenberg_scripts($scripts)
    {
        add_action('wp_enqueue_scripts', [$this, 'jltwp_adminify_remove_block_scripts_action']);
        remove_action('enqueue_block_assets', 'wp_enqueue_registered_block_scripts_and_styles');
    }

    // Dequeue all scripts and styles added by Gutenberg
    public function jltwp_adminify_remove_block_scripts_action()
    {
        wp_dequeue_style('wp-block-library');
        wp_dequeue_style('wc-block-style');
    }
}

```