Power WordPress Tweaks [Use at your own risk] ⚠️

power-wordpress-tweaks.php

<?php
/*
Plugin Name: Power WP Tweaks
Plugin URI: http://ankurk91.github.io/
Description: Some common tweaks to optimize WP Site
Version: 1.0
Author: ankurk91
Author URI: http://ankurk91.github.io/
License: MIT
*/

/*Note: This plugin has no interface.
So if you want to change something, then go inside and change the code.*/


/**
 * ################################################################ 
 * Warning : Use at your own risk
 * Please test them in development and then use in production
 * ################################################################
 */
 
/* no direct access */
if (!defined('ABSPATH')) exit;


class Ank_WP_FrontEnd_Tweaks_MU_Plugin
{
    function __construct()
    {
        /* Add short-code support to text widget. */
        add_filter('widget_text', 'do_shortcode');
        //remove wp default comment widget css
        add_filter('show_recent_comments_widget_style', '__return_false', 9);
        //Unlink urls in comment text
        remove_filter('comment_text', 'make_clickable', 9);
        //remove links from head (front end)
        add_action('init', array($this, 'remove_head_links'));
        //remove ping-back headers
        add_filter('wp_headers', array($this, 'remove_x_pingback'));
        //tell me database queries in footer
        add_action('wp_footer', array($this, 'get_page_speed'), 99);

        //hide (replace) admin login errors
        add_filter('login_errors', array($this, 'replace_login_page_msgs'));
        //add_filter( 'login_headerurl', 'ank_login_logo_url' );
        //add_filter( 'login_headertitle', 'ank_login_logo_url_title' );
        //remove shake effect from login page
        add_action('login_head', array($this, 'login_head_shake'));
        //completely remove login page logo
        add_action('login_footer', array($this, 'remove_login_logo'), 9);
        //remove wp version from every where
        add_filter('the_generator', array($this, 'no_wp_generators'));
        //remove wp default widgets
        add_action('widgets_init', array($this, 'remove_wp_inbuilt_widgets'), 9);
        // add_filter( 'comment_class' , array($this,'remove_comment_author_class' ));
        //completely remove admin bar  from front end
        add_filter('show_admin_bar', '__return_false');
        //remove emoji in wp 4.2+
        add_action('init', array($this, 'remove_emoji_js_css'));

    } //end construct

    /* remove  links from page head */
    function remove_head_links()
    {
        remove_action('wp_head', 'rsd_link'); //edit uri
        remove_action('wp_head', 'wlwmanifest_link');
        remove_action('wp_head', 'feed_links', 2);
        remove_action('wp_head', 'wp_shortlink_wp_head');
        remove_action('wp_head', 'wp_generator');

    }

    function remove_emoji_js_css()
    {
        //remove emoji in wp v4.2+
        remove_action('wp_head', 'print_emoji_detection_script', 7);
        remove_action('wp_print_styles', 'print_emoji_styles');
    }

    function remove_x_pingback($headers)
    {
        unset($headers['X-Pingback']);
        return $headers;
    }

    function get_page_speed()
    {
        printf('<!-- %d queries in %.3f seconds, using %.2fMB memory -->',
            get_num_queries(),
            timer_stop(0, 3),
            memory_get_usage(true) / 1024 / 1024
        );

    }


    function replace_login_page_msgs()
    {
        return 'Error processing request. Please try again.';
    }

    //change login logo url
    function ank_login_logo_url()
    {
        return get_bloginfo('url');
    }

    //change login logo hover title
    function ank_login_logo_url_title()
    {
        return get_bloginfo('name');
    }

    //remove login shake effect
    function login_head_shake()
    {
        remove_action('login_head', 'wp_shake_js', 12);
    }

    //remove login logo completely
    function remove_login_logo()
    {
        //using javascript
        ?>
        <script>var LG = document.getElementById("login");
            LG.getElementsByTagName("h1")[0].remove();</script>
        <?php
    }

    function no_wp_generators()
    {   //won't show wp version no where
        return '';
    }

    function remove_wp_inbuilt_widgets()
    {
        unregister_widget('WP_Widget_Meta');
    }
    // Remove admin name in comments class
    // Source: http://www.wprecipes.com/wordpress-hack-remove-admin-name-in-comments-class
    function remove_comment_author_class($classes)
    {
        foreach ($classes as $key => $class) {
            if (strstr($class, "comment-author-")) {
                unset($classes[$key]);
            }
        }
        return $classes;
    }
} //class ends

new Ank_WP_FrontEnd_Tweaks_MU_Plugin;


//lets keep admin-area tweaks here
class Ank_WP_Admin_Tweaks_MU_Plugin
{
    function __construct()
    {

        //replace admin footer text
        add_filter('admin_footer_text', array($this, 'change_footer_admin'));
        //translate howdy to welcome
        add_filter('gettext', array($this, 'change_howdy'), 10, 3);
        //a developer info wigdet to dashboard
        add_action('wp_dashboard_setup', array($this, 'add_dashboard_widgets'), 99);
        //add a custom support menu to admin_bar
        add_action('admin_bar_menu', array($this, 'add_admin_bar_link'), 999);
        //remove wordpress menu from wp admin bar
        add_action('admin_bar_menu', array($this, 'remove_admin_bar_menu'), 99);
        //add_filter("mce_buttons_3", array($this,'add_more_buttons_editor'));
        //add_filter( 'admin_title', array( $this, 'filter_admin_title' ) );
        add_action('admin_init', array($this, 'remove_dashboard_meta'));
        //dashboard
        remove_action('welcome_panel', 'wp_welcome_panel');
        //remove theme menu
        add_action('admin_menu', array($this, 'remove_theme_menus'));

        add_action('init', array($this, 'remove_emoji_admin'));

    }

    function remove_emoji_admin()
    {
        // Remove from comment feed and RSS
        remove_filter('the_content_feed', 'wp_staticize_emoji');
        remove_filter('comment_text_rss', 'wp_staticize_emoji');

        // Remove from emails
        remove_filter('wp_mail', 'wp_staticize_emoji_for_email');

        // Remove from admin area
        remove_action('admin_print_scripts', 'print_emoji_detection_script');
        remove_action('admin_print_styles', 'print_emoji_styles');
    }

    //change wp-admin footer text
    function change_footer_admin()
    {
        ?>Developed by <a target="_blank" href="http://ankurk91.github.io/">Ankur</a>
    <?php }

    //change howdy to welcome
    function change_howdy($translated, $text, $domain)
    {

        if (!is_admin() || 'default' != $domain)
            return $translated;

        if (false !== strpos($translated, 'Howdy'))
            return str_replace('Howdy', 'Welcome', $translated);

        return $translated;
    }

    //* Add theme info box into WordPress Dashboard
    function add_dashboard_widgets()
    {
        wp_add_dashboard_widget('wp_dashboard_dev_info_widget', 'Website Details', array($this, 'dev_info_widget'));
    }


    function dev_info_widget()
    { ?>
        <ul>
            <li><strong><i class='dashicons dashicons-businessman'>&emsp;</i> Developed By:</strong> Ankur</li>
            <li><strong><i class='dashicons dashicons-admin-site'>&emsp;</i> Website:</strong> 
            <a target='_blank' href='https://ankurk91.github.io/'>https://ankurk91.github.io/</a>
            </li>
        </ul>
    <?php }

    //adding a custom link to admin top bar
    function add_admin_bar_link($wp_admin_bar)
    {
        $wp_admin_bar->add_menu(array(
                'id' => 'ank_wp_support',
                'title' => '<span class="ab-icon dashicons dashicons-external"></span>Support',
                'href' => 'https://ankurk91.github.io/',
                'meta' => array('title' => 'Need Help ?', 'target' => '_blank'),
            )
        );

    }

    //remove wp menu from admin bar
    function remove_admin_bar_menu($wp_admin_bar)
    {
        $wp_admin_bar->remove_menu('wp-logo');
    }

    function add_more_buttons_editor($buttons)
    {
        $buttons[] = 'hr';
        $buttons[] = 'superscript';
        $buttons[] = 'subscript';
        $buttons[] = 'fontsizeselect';
        $buttons[] = 'styleselect';
        $buttons[] = 'fontselect';
        $buttons[] = 'backcolor';
        $buttons[] = 'wp_page';
        return $buttons;
    }

    //remove wordpress from title bar
    function filter_admin_title($title)
    {

        if (strpos($title, ' WordPress')) {
            $title = str_replace(" &#8212; WordPress", "", $title);
        }

        return $title;
    }

    //remove dashboard widgets
    function remove_dashboard_meta()
    {
        //comment the lines what u need
        //remove_meta_box( 'dashboard_plugins', 'dashboard', 'normal' );
        //remove_meta_box( 'dashboard_activity', 'dashboard', 'side' );
        //remove_meta_box( 'dashboard_recent_comments', 'dashboard', 'normal' );
        //remove_meta_box( 'dashboard_right_now', 'dashboard', 'normal' ); //at a glance
        //remove_meta_box( 'dashboard_browser_nag', 'dashboard', 'normal' );
        remove_meta_box('dashboard_incoming_links', 'dashboard', 'normal');    //Incoming Links
        remove_meta_box('dashboard_primary', 'dashboard', 'side');      //WordPress.com Blog
        remove_meta_box('dashboard_secondary', 'dashboard', 'side');      //Other WordPress News
        remove_meta_box('dashboard_quick_press', 'dashboard', 'side');
        remove_meta_box('dashboard_recent_drafts', 'dashboard', 'side');


    }


    function remove_theme_menus()
    {
        remove_submenu_page('themes.php', 'themes.php');
    }


}//end class


if (is_admin() && (!defined('DOING_AJAX') || !DOING_AJAX)) {
    new Ank_WP_Admin_Tweaks_MU_Plugin();
}