TeeCode | Clean Code, Clear Solutions

Fluid Typography

Fonts scale with screen size

CSS #typography #font #fluid

/* --- Fluid Typography --- */

/* H1 Hoofdtitel */
/* Minimaal 32px (mobiel), groeit mee, maximaal 56px (grote schermen) */
h1, .elementor-heading-title.elementor-size-default {
    font-size: clamp(2rem, 5vw, 3.5rem) !important;
}

/* H2 Sectie titels */
/* Minimaal 26px, groeit mee, maximaal 40px */
h2, .elementor-widget-heading h2.elementor-heading-title {
    font-size: clamp(1.625rem, 4vw, 2.5rem) !important;
}

/* H3 Subkopjes */
/* Minimaal 22px, groeit mee, maximaal 28px */
h3, .elementor-widget-heading h3.elementor-heading-title {
    font-size: clamp(1.375rem, 2.5vw, 1.75rem) !important;
}

/* Body / Paragraaf tekst */
/* De !important zorgt dat dit wint van de widget-instellingen */
p, body, .elementor-widget-text-editor {
    font-size: clamp(1rem, 0.5vw + 0.8rem, 1.125rem) !important;
}

/* Uitzondering voor kleine lettertjes (zoals copyright/footer) */
/* Geef deze widgets of secties de CSS-klasse: 'kleine-tekst' */
.kleine-tekst p, .kleine-tekst, small {
    font-size: 0.875rem !important; /* 14px */
}

WordPress | Remove jQuery migrate

jQuery Migrate adds support for older jQuery versions, often useful for older themes. It’s rare that it’s needed so it’s best to remove it to take one request away from page loads.

PHP #Security

functions.php

/************************************************************
* @description    WordPress | Remove jQuery migrate
* @author         Systemedic
* @URL            https://systemedic.nl
************************************************************/
function smartwp_remove_jquery_migrate( $scripts ) {
  if ( !is_admin() && !empty( $scripts->registered['jquery'] ) ) {
    $scripts->registered['jquery']->deps = array_diff( $scripts->registered['jquery']->deps, ['jquery-migrate'] );
  }
}
add_action('wp_default_scripts', 'smartwp_remove_jquery_migrate');

WordPress | Custom logo top left in WP Admin

Adds a custom logo to the top left of the WordPress admin

PHP

functions.php

/************************************************************
* @description    WordPress | Custom logo top left in WP Admin
* @author         Systemedic
* @URL            https://systemedic.nl
************************************************************/
function smartwp_custom_logo_wp_dashboard() {
  echo "<style type='text/css'>
    #wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
      background-image: url('" . get_bloginfo('stylesheet_directory') . "/admin-icon.png');
      background-size: contain;
      background-position: 0 0;
      color:rgba(0, 0, 0, 0);
    }
    #wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon {
      background-position: 0 0;
    }";
}

WordPress | Create user

Create a user through a php snippet

PHP

functions.php

/************************************************************
* @description    WordPress | Create user
* @author         Systemedic
* @URL            https://systemedic.nl
************************************************************/
function smartwp_create_admin_user(){
  $username = 'Systemedic';
  $password = 'CHANGE_THIS_PASSWORD'; // Changed for security
  $email = 'E-MAIL HERE';
  
  //This will ensure it only tries to create the user once (based on email/username)
  if ( !username_exists( $username ) && !email_exists( $email ) ) {
    $userid = wp_create_user( $username, $password, $email );
    $user = new WP_User( $userid );
    $user->set_role( 'administrator' );
  }
}
add_action('init', 'smartwp_create_admin_user');

Change wp-admin footer

Change WP-admin footer to show own text.

PHP

functions.php

/************************************************************

* @description    Change wp-admin footer

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function remove_footer_admin () {

    echo 'Development by <a href="https://systemedic.nl" target="_blank">Systemedic</a> | Questions & Support: <a href="https://mijn.systemedic.nl" target="_blank">Systemedic Support</a></p>';

}

 

add_filter('admin_footer_text', 'remove_footer_admin');

WordPress | Systemedic Dashboard Widget

Custom dashboard Widgets with links to Systemedic services and knowledgebase

PHP

functions.php

/************************************************************

* @description    WordPress | Systemedic Dashboard Widget

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

// Add a custom dashboard widget

function my_custom_dashboard_widget() {

    wp_add_dashboard_widget(

        'custom_dashboard_widget', // Widget ID

        'Systemedic Support', // Widget Title

        'custom_dashboard_widget_display' // Callback function

    );

}

add_action('wp_dashboard_setup', 'my_custom_dashboard_widget');



// The content of the widget

function custom_dashboard_widget_display() {

    ?>

    <style>

        .custom-dashboard-widget ul {

            list-style-type: disc;

            padding-left: 20px;

        }

        .custom-dashboard-widget img {

            max-width: 100%;

            height: auto;

        }

    </style>

    <div class="custom-dashboard-widget">

         <img src="https://mijn.systemedic.nl/templates/lagom2/assets/img/logo/logo_big.1582291681.png" alt="Systemedic Logo">

        <ul>

            <li>Do you have questions, problems, or ideas? Contact Systemedic: 

                <a href="https://mijn.systemedic.nl/submitticket.php?step=2&deptid=2" target="_blank">Contact Us</a>

            </li>

            <li>Have a question? Check the knowledge base first, you can view it here: 

                <a href="https://mijn.systemedic.nl/knowledgebase/29/WordPress" target="_blank">Knowledge Base</a>

            </li>

            <li>Want to keep your website in top condition? Discover our maintenance packages for a worry-free website.

                <a href="https://mijn.systemedic.nl/store/onderhoudspakketten" target="_blank">Maintenance Packages</a>

            </li>

        </ul>

    </div>

    <?php

}

Disable Gutenberg block editor

Completely disables the Gutenberg editor and restores the Classic Editor.

PHP

functions.php

/************************************************************

* @description    Disable Gutenberg block editor

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

// Disable Gutenberg on the back end.

add_filter( 'use_block_editor_for_post', '__return_false' );



// Disable Gutenberg for widgets.

add_filter( 'use_widgets_block_editor', '__return_false' );



add_action( 'wp_enqueue_scripts', function() {

    // Remove CSS on the front end.

    wp_dequeue_style( 'wp-block-library' );



    // Remove Gutenberg theme.

    wp_dequeue_style( 'wp-block-library-theme' );



    // Remove inline global CSS on the front end.

    wp_dequeue_style( 'global-styles' );



    // Remove classic-themes CSS for backwards compatibility for button blocks.

    wp_dequeue_style( 'classic-theme-styles' );

}, 20 );

Hide Woocommerce Payments menu item

Short snippet to hide the WooCommerce Payments Menu Item in the Wordpress Dashboard

PHP #Woocommerce

functions.php

/************************************************************
* @description    Hide Woocommerce Payments menu item
* @author         Systemedic
* @URL            https://systemedic.nl
************************************************************/
function remove_payments_ad_tab(): void {
  remove_menu_page("admin.php?page=wc-admin&task=woocommerce-payments");
}
add_action("admin_menu", "remove_payments_ad_tab", 999);

Display user role in HTML code

Adds the current user role as an HTML comment in the head for debugging.

PHP

functions.php

/************************************************************

* @description    Display user role in HTML code

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function display_user_role_in_html_comment() {

    if (is_user_logged_in()) {

        $current_user = wp_get_current_user();

        if (!empty($current_user->roles)) {

            echo "\n\n";

        }

    } else {

        echo "\n\n";

    }

}

add_action('wp_head', 'display_user_role_in_html_comment');

robots.txt

Default robots.txt configuration to block bad bots and protect sensitive paths.

TEXT #robots #seo

User-agent: *
Crawl-delay:10
Disallow: /wp-admin/ #no access to admin sections.
Disallow: /wp-login.php #no access to admin sections.
Disallow: /search/ #no access to internal search results.
Disallow: *?s=* #no access to internal search results.
Disallow: *?p=* #no access to pages if permalinks don't work.
Disallow: *&p=* #no access to pages if permalinks don't work.
Disallow: *&preview=* #no access to preview pages.
Disallow: /tag/ #no access to tag archive pages.
Disallow: /author/ #no access to author archive pages.
Disallow: /404-error/ #no access to 404 page.
Disallow: /*?orderby=
Disallow: /*?add-to-cart=
Disallow: /wp-content/plugins/
Disallow: /uploads/
Disallow: *category=*
Disallow: *categoria*
Disallow: *categorie*
Disallow: *filter* # Block bad bots
User-agent: Dotbot
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: YandexBot
Disallow: /

User-agent: Sogou Spider
Disallow: /

User-agent: SeznamBot
Disallow: /

User-agent: Scrapy
Disallow: /

Sitemap: https://URL/sitemap_index.xml

Add custom product tabs

Add option to add custom tabs for products. Content can be filled from within product page.

PHP

functions.php

/************************************************************

* @description    Add custom product tabs

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

// Add the 'Custom Tabs' tab under 'Product Data'

add_filter('woocommerce_product_data_tabs', 'add_custom_tabs_main', 10, 1);

function add_custom_tabs_main($tabs) {

    // Add the main 'Custom Tabs' tab

    $tabs['custom_tabs'] = array(

        'label'    => __('Custom Tabs', 'woocommerce'),

        'target'   => 'custom_tabs_content',

        'priority' => 60, // Place the tab after standard tabs

    );

    return $tabs;

}



// Add content for the 'Custom Tabs' panel with Ingredients and Instructions

add_action('woocommerce_product_data_panels', 'custom_tabs_content');

function custom_tabs_content() {

    global $post;



    // Get the saved content of the fields

    $ingredients = get_post_meta($post->ID, '_custom_ingredients', true);

    $instructions = get_post_meta($post->ID, '_custom_instructions', true);

    $ingredients_title = get_post_meta($post->ID, '_custom_ingredients_title', true); // Title Ingredients

    $instructions_title = get_post_meta($post->ID, '_custom_instructions_title', true); // Title Instructions



    // Tab content for Ingredients

    echo '<div id="custom_tabs_content" class="panel woocommerce_options_panel">';

    

    // Ingredients Title and WYSIWYG editor

    echo '<div class="options_group">';

    echo '<p class="form-field">';

    echo '<label for="_custom_ingredients_title">' . __('Alternative tab name', 'woocommerce') . '</label>';

    echo '<input type="text" id="_custom_ingredients_title" name="_custom_ingredients_title" value="' . esc_attr($ingredients_title) . '" />';

    echo '</p>';



    // Ingredients field with WYSIWYG editor

    echo '<p class="form-field">';

    echo '<label for="_custom_ingredients">' . __('Ingredients', 'woocommerce') . '</label>';

    wp_editor($ingredients, '_custom_ingredients', array(

        'textarea_name' => '_custom_ingredients',

        'media_buttons' => true,

        'textarea_rows' => 10,

        'teeny' => true, // Minimal editor without many buttons

    ));

    echo '</p>';



    // Instructions Title and WYSIWYG editor

    echo '<p class="form-field">';

    echo '<label for="_custom_instructions_title">' . __('Alternative tab name', 'woocommerce') . '</label>';

    echo '<input type="text" id="_custom_instructions_title" name="_custom_instructions_title" value="' . esc_attr($instructions_title) . '" />';

    echo '</p>';



    // Instructions field with WYSIWYG editor

    echo '<p class="form-field">';

    echo '<label for="_custom_instructions">' . __('Instructions', 'woocommerce') . '</label>';

    wp_editor($instructions, '_custom_instructions', array(

        'textarea_name' => '_custom_instructions',

        'media_buttons' => true,

        'textarea_rows' => 10,

        'teeny' => true, // Minimal editor without many buttons

    ));

    echo '</p>';

    echo '</div>';

    echo '</div>';

}



// Save the field data, including the tab titles

add_action('woocommerce_process_product_meta', 'save_custom_tabs_product_data');

function save_custom_tabs_product_data($post_id) {

    // Save data for Ingredients, Instructions, and their titles

    if (isset($_POST['_custom_ingredients'])) {

        update_post_meta($post_id, '_custom_ingredients', wp_kses_post($_POST['_custom_ingredients']));

    }



    if (isset($_POST['_custom_instructions'])) {

        update_post_meta($post_id, '_custom_instructions', wp_kses_post($_POST['_custom_instructions']));

    }



    if (isset($_POST['_custom_ingredients_title'])) {

        update_post_meta($post_id, '_custom_ingredients_title', sanitize_text_field($_POST['_custom_ingredients_title']));

    }



    if (isset($_POST['_custom_instructions_title'])) {

        update_post_meta($post_id, '_custom_instructions_title', sanitize_text_field($_POST['_custom_instructions_title']));

    }

}



// Add tabs for Ingredients and Instructions on the product page, but only if they have content

add_filter('woocommerce_product_tabs', 'add_custom_product_tabs', 10, 1);

function add_custom_product_tabs($tabs) {

    global $post;



    // Get saved content for ingredients, instructions, and their titles

    $ingredients = get_post_meta($post->ID, '_custom_ingredients', true);

    $instructions = get_post_meta($post->ID, '_custom_instructions', true);

    $ingredients_title = get_post_meta($post->ID, '_custom_ingredients_title', true);

    $instructions_title = get_post_meta($post->ID, '_custom_instructions_title', true);



    // Add Ingredients tab if there is content

    if (!empty($ingredients)) {

        $tabs['ingredients_tab'] = array(

            'title'    => !empty($ingredients_title) ? $ingredients_title : __('Ingredients', 'woocommerce'),

            'priority' => 50,

            'callback' => 'ingredients_tab_content',

        );

    }



    // Add Instructions tab if there is content

    if (!empty($instructions)) {

        $tabs['instructions_tab'] = array(

            'title'    => !empty($instructions_title) ? $instructions_title : __('Instructions', 'woocommerce'),

            'priority' => 51,

            'callback' => 'instructions_tab_content',

        );

    }



    return $tabs;

}



// Function to display the content of the Ingredients tab

function ingredients_tab_content() {

    global $post;

    $ingredients = get_post_meta($post->ID, '_custom_ingredients', true);

    echo wpautop($ingredients);

}



// Function to display the content of the Instructions tab

function instructions_tab_content() {

    global $post;

    $instructions = get_post_meta($post->ID, '_custom_instructions', true);

    echo wpautop($instructions);

}

Auto set paid WooCommerce orders to completed

Change the status of WooCommerce orders to completed when there is a payment.

PHP

functions.php

/************************************************************

* @description    Auto set paid WooCommerce orders to completed

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

 add_filter( 'woocommerce_payment_complete_order_status', 'bbloomer_autocomplete_processing_orders', 9999 );

 

function bbloomer_autocomplete_processing_orders() {

   return 'completed';

}

E-mail before download

Allow users to enter an e-mail address before they can download a PDF. The email addresses will appear in an admin menu named ‘PDF Downloads’ and will be stored in the database

PHP

functions.php

/************************************************************

* @description    E-mail before download

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

// Create table for storing PDF download submissions

function create_pdf_download_table() {

    global $wpdb;

    $table_name = $wpdb->prefix . 'pdf_downloads';

    

    $charset_collate = $wpdb->get_charset_collate();

    $sql = "CREATE TABLE IF NOT EXISTS $table_name (

        id mediumint(9) NOT NULL AUTO_INCREMENT,

        naam tinytext NOT NULL,

        email varchar(100) NOT NULL,

        tijd datetime DEFAULT CURRENT_TIMESTAMP NOT NULL,

        pdf_url text NOT NULL,

        PRIMARY KEY (id)

    ) $charset_collate;";

    

    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

    dbDelta($sql);

}



// Direct call to create the table if it doesn't exist

create_pdf_download_table();



// Shortcode function for the PDF download form

function pdf_download_form_shortcode($atts) {

    $atts = shortcode_atts(

        array(

            'pdf_url' => '', // Default no PDF URL

        ),

        $atts,

        'pdf_download_form'

    );



    if (empty($atts['pdf_url'])) {

        return '<p>No PDF available for download.</p>';

    }



    if (isset($_POST['submit_form'])) {

        if (!empty($_POST['naam']) && !empty($_POST['email'])) {

            $naam = sanitize_text_field($_POST['naam']);

            $email = sanitize_email($_POST['email']);

            

            global $wpdb;

            $table_name = $wpdb->prefix . 'pdf_downloads';

            $wpdb->insert(

                $table_name,

                array(

                    'naam' => $naam,

                    'email' => $email,

                    'pdf_url' => $atts['pdf_url'],

                )

            );



            $download_link = '<p>Thank you, ' . esc_html($naam) . '! Click here to download the PDF: <a href="' . esc_url($atts['pdf_url']) . '" target="_blank">Download PDF</a></p>';

            

            return $download_link;

        } else {

            return '<p>Please fill in all fields.</p>';

        }

    }



    ob_start(); ?>

    <form method="post">

        <label for="naam">Name:</label><br>

        <input type="text" id="naam" name="naam" style="width: 50%;" required><br><br>

        

        <label for="email">E-mail:</label><br>

        <input type="email" id="email" name="email" style="width: 50%;" required><br><br>

        

        <input type="submit" name="submit_form" value="Download PDF" style="width: 50%;">

    </form>

    <?php

    return ob_get_clean();

}

add_shortcode('pdf_download_form', 'pdf_download_form_shortcode');



// Add admin menu for displaying submissions

function pdf_download_admin_menu() {

    add_menu_page(

        'PDF Downloads',

        'PDF Downloads',

        'manage_options',

        'pdf-downloads',

        'display_pdf_downloads_page',

        'dashicons-media-document',

        20

    );

}

add_action('admin_menu', 'pdf_download_admin_menu');



// Function to display and delete submissions in admin

function display_pdf_downloads_page() {

    global $wpdb;

    $table_name = $wpdb->prefix . 'pdf_downloads';



    // Delete a record if 'delete_id' parameter is set

    if (isset($_GET['delete_id'])) {

        $delete_id = intval($_GET['delete_id']);

        $wpdb->delete($table_name, array('id' => $delete_id));

        echo '<div class="notice notice-success is-dismissible"><p>Submission successfully deleted.</p></div>';

    }



    // Retrieve data to display

    $downloads = $wpdb->get_results("SELECT * FROM $table_name");



    echo '<div class="wrap"><h1>PDF Download Submissions</h1>';

    echo '<table class="widefat fixed" cellspacing="0"><thead><tr><th>Name</th><th>Email</th><th>PDF URL</th><th>Time</th><th>Action</th></tr></thead><tbody>';



    if (!empty($downloads)) {

        foreach ($downloads as $download) {

            echo '<tr>';

            echo '<td>' . esc_html($download->naam) . '</td>';

            echo '<td>' . esc_html($download->email) . '</td>';

            echo '<td><a href="' . esc_url($download->pdf_url) . '" target="_blank">' . esc_html($download->pdf_url) . '</a></td>';

            echo '<td>' . esc_html($download->tijd) . '</td>';

            echo '<td><a href="' . esc_url(add_query_arg('delete_id', $download->id)) . '" onclick="return confirm(\'Are you sure you want to delete this submission?\');" class="button button-danger">Delete</a></td>';

            echo '</tr>';

        }

    } else {

        echo '<tr><td colspan="5">No submissions found.</td></tr>';

    }



    echo '</tbody></table></div>';

}

WordPress | Enforce Strong Passwords

Make sure users are using strong passwords with at least 8 characters and 1 capital and 1 number

PHP

functions.php

/************************************************************

* @description    WordPress | Enforce Strong Passwords

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function force_strong_passwords($errors, $update, $user) {

    if (empty($user->user_pass)) {

        return;

    }



    if (strlen($user->user_pass) < 8 || !preg_match('/[A-Z]/', $user->user_pass) || !preg_match('/[0-9]/', $user->user_pass)) {

        $errors->add('pass', 'Passwords must be at least 8 characters long and contain at least one uppercase letter and one number.');

    }

}

add_action('user_profile_update_errors', 'force_strong_passwords', 10, 3);

WordPress | Prevent upload of PHP files

Prevent the upload of PHP files by users for enhanced security

PHP

functions.php

/************************************************************

* @description    WordPress | Prevent upload of PHP files

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function prevent_php_upload($file) {

    $file_type = wp_check_filetype($file['name']);

    if ($file_type['ext'] == 'php') {

        $file['error'] = 'PHP files are not allowed for upload.';

    }

    return $file;

}

add_filter('wp_handle_upload_prefilter', 'prevent_php_upload');

WordPress | Prevent faulty headers

Removes unnecessary headers like X-Pingback and others.

PHP

functions.php

/************************************************************

* @description    WordPress | Prevent faulty headers

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function remove_unwanted_headers() {

    header_remove('X-Pingback');

    header_remove('X-Frame-Options');

    header_remove('X-XSS-Protection');

    header_remove('X-Content-Type-Options');

}

add_action('send_headers', 'remove_unwanted_headers');

WooCommerce: Rename Additional information tab

Rename the WooCommerce additional information tab to a title of your liking

PHP

functions.php

/************************************************************

* @description    WooCommerce: Rename Additional information tab

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_filter( 'woocommerce_product_tabs', 'misha_rename_additional_info_tab' );

function misha_rename_additional_info_tab( $tabs ) {

	$tabs[ 'additional_information' ][ 'title' ] = 'Specifications'; // Change 'Specifications' to your preferred title

	return $tabs;

}

Change author slug: user nickname instead of username

Improves security by hiding the username in author URLs.

PHP

functions.php

/************************************************************

* @description    Change author slug: user nickname instead of username

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action( 'user_profile_update_errors', 'set_user_nicename_to_nickname', 10, 3 );

function set_user_nicename_to_nickname( &$errors, $update, &$user ) {

 if ( ! empty( $user->nickname ) ) {

  $user->user_nicename = sanitize_title( $user->nickname, $user->display_name );

 }

}

Limit Login attempts or get locked out

This handles the login attempts that can be made before being locked out for a certain amount of time

PHP

functions.php

/************************************************************

* @description    Limit Login attempts or get locked out

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function limit_login_attempts() {

    $max_attempts = 5;

    $lockout_time = 60 * 5; // 5 minutes



    if (is_user_logged_in()) {

        return;

    }



    $attempts = get_transient('login_attempts');

    if ($attempts === false) {

        $attempts = 0;

    }



    if ($attempts >= $max_attempts) {

        wp_die('Too many login attempts. Please try again later.');

    }



    add_action('wp_login_failed', function() use ($attempts, $lockout_time) {

        set_transient('login_attempts', $attempts + 1, $lockout_time);

    });

}

add_action('login_init', 'limit_login_attempts');

Default featured Image - Using Gutenberg

Set a default featured imaged for posts

PHP

functions.php

/************************************************************

* @description    Default featured Image - Using Gutenberg

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function mytheme_set_default_thumbnail( $post ) {

    if ( $post->post_type != 'post' ) {

        return;

    }



    if ( !has_post_thumbnail( $post->ID ) ) {

        $thumbnail_url = 'https://test.local/wp-content/uploads/2022/10/dev3.jpg'; // Change URL

        $thumbnail_id = attachment_url_to_postid( $thumbnail_url );



        set_post_thumbnail( $post->ID, $thumbnail_id );

    }

}

add_action( 'rest_after_insert_post', 'mytheme_set_default_thumbnail', 10, 3 );

Default featured Image (Classic)

Set a default featured imaged for posts

PHP

functions.php

/************************************************************

* @description    Default featured Image (Classic)

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function wpse55748_filter_post_thumbnail_html( $html ) {

    // If there is no post thumbnail,

    // Return a default image

    if ( '' == $html ) {

        return '<img src="' . get_template_directory_uri() . '/wp-content/uploads/2021/03/default.jpeg" width="150px" height="100px" class="default-img" />';

    }

}

WooCommerce: Text in front of price

Place a default text in front of the price in Woocommerce

PHP

functions.php

/************************************************************

* @description    WooCommerce: Text in front of price

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_filter( 'woocommerce_get_price_html', 'cw_change_product_price_display' );

add_filter( 'woocommerce_cart_item_price', 'cw_change_product_price_display' );

function cw_change_product_price_display( $price ) {

    // Your additional text in a translatable string

    $text = __('From');



    // returning the text before the price

    return $text . ' ' . $price;

}

Rename description tab in WooCommerce

Rename the WooCommerce description tab to a title of your liking

PHP

functions.php

/************************************************************

* @description    Rename description tab in WooCommerce

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_filter( 'woocommerce_product_tabs', 'misha_rename_description_tab' );

function misha_rename_description_tab( $tabs ) {

	$tabs[ 'description' ][ 'title' ] = 'Description'; // Change to desired title

	return $tabs;

}

WordPress: Disable RSD and WLW

Disable the Windows Live Writer and Really Simple Discovery code

PHP

functions.php

/************************************************************

* @description    WordPress: Disable RSD and WLW

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

remove_action ('wp_head', 'rsd_link');

remove_action ('wp_head', 'wlwmanifest_link');

Show custom field in shop page

Adds a custom field to the product display on the shop page.

PHP

functions.php

/************************************************************

* @description    Show custom field in shop page

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action( 'woocommerce_after_shop_loop_item_title', 'bbloomer_woocommerce_product_excerpt', 35 );  

 

function bbloomer_woocommerce_product_excerpt() {

    global $post;

    if ( is_home() || is_shop() || is_product_category() || is_product_tag() ) {

       echo '<span class="flow_category">';

       echo get_post_meta( $post->ID, 'flow', true );

       echo '</span>';

    }

}

Limit Post revisions

Limit the number of post revisions

PHP

functions.php

/************************************************************

* @description    Limit Post revisions

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function limit_post_revisions($num, $post) {

    // Set a max limit for revisions for all post types

    $max_revisions = 5;



    // Check if the post type is 'post'

    if ($post->post_type == 'post') {

        return $max_revisions;

    } else {

        return $num;

    }

}



// Hook into the 'wp_revisions_to_keep' filter

add_filter('wp_revisions_to_keep', 'limit_post_revisions', 10, 2);

Page/Post duplicator

Easily create a duplicate of a page or post. Clone is set as draft and user is directed to edit screen

PHP

functions.php

/************************************************************

* @description    Page/Post duplicator

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function rd_duplicate_post_as_draft(){

  global $wpdb;

  if (! ( isset( $_GET['post']) || isset( $_POST['post'])  || ( isset($_REQUEST['action']) && 'rd_duplicate_post_as_draft' == $_REQUEST['action'] ) ) ) {

    wp_die('No post to duplicate has been supplied!');

  }

  /*

   * Nonce verification

   */

  if ( !isset( $_GET['duplicate_nonce'] ) || !wp_verify_nonce( $_GET['duplicate_nonce'], basename( __FILE__ ) ) )

    return;

  /*

   * get the original post id

   */

  $post_id = (isset($_GET['post']) ? absint( $_GET['post'] ) : absint( $_POST['post'] ) );

  /*

   * and all the original post data then

   */

  $post = get_post( $post_id );

  /*

   * if you don't want current user to be the new post author,

   * then change next couple of lines to this: $new_post_author = $post->post_author;

   */

  $current_user = wp_get_current_user();

  $new_post_author = $current_user->ID;

  /*

   * if post data exists, create the post duplicate

   */

  if (isset( $post ) && $post != null) {

    /*

     * new post data array

     */

    $args = array(

      'comment_status' => $post->comment_status,

      'ping_status'    => $post->ping_status,

      'post_author'    => $new_post_author,

      'post_content'   => $post->post_content,

      'post_excerpt'   => $post->post_excerpt,

      'post_name'      => $post->post_name,

      'post_parent'    => $post->post_parent,

      'post_password'  => $post->post_password,

      'post_status'    => 'draft',

      'post_title'     => $post->post_title,

      'post_type'      => $post->post_type,

      'to_ping'        => $post->to_ping,

      'menu_order'     => $post->menu_order

    );

    /*

     * insert the post by wp_insert_post() function

     */

    $new_post_id = wp_insert_post( $args );

    /*

     * get all current post terms ad set them to the new post draft

     */

    $taxonomies = get_object_taxonomies($post->post_type); // returns array of taxonomy names for post type, ex array("category", "post_tag");

    foreach ($taxonomies as $taxonomy) {

      $post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs'));

      wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false);

    }

    /*

     * duplicate all post meta just in two SQL queries

     */

    $post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$post_id");

    if (count($post_meta_infos)!=0) {

      $sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";

      foreach ($post_meta_infos as $meta_info) {

        $meta_key = $meta_info->meta_key;

        if( $meta_key == '_wp_old_slug' ) continue;

        $meta_value = addslashes($meta_info->meta_value);

        $sql_query_sel[]= "SELECT $new_post_id, '$meta_key', '$meta_value'";

      }

      $sql_query.= implode(" UNION ALL ", $sql_query_sel);

      $wpdb->query($sql_query);

    }

    /*

     * finally, redirect to the edit post screen for the new draft

     */

    wp_redirect( admin_url( 'post.php?action=edit&post=' . $new_post_id ) );

    exit;

  } else {

    wp_die('Post creation failed, could not find original post: ' . $post_id);

  }

}

add_action( 'admin_action_rd_duplicate_post_as_draft', 'rd_duplicate_post_as_draft' );

/*

 * Add the duplicate link to action list for post_row_actions

 */

function rd_duplicate_post_link( $actions, $post ) {

  if (current_user_can('edit_posts')) {

    $actions['duplicate'] = '<a href="' . wp_nonce_url('admin.php?action=rd_duplicate_post_as_draft&post=' . $post->ID, basename(__FILE__), 'duplicate_nonce' ) . '" title="Duplicate this item" rel="permalink">Duplicate</a>';

  }

  return $actions;

}

add_filter('page_row_actions', 'rd_duplicate_post_link', 10, 2);

WordPress: Remove Widgets from admin dashboard

Cleans up the admin dashboard by removing default widgets.

PHP

functions.php

/************************************************************

* @description    WordPress: Remove Widgets from admin dashboard

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function remove_dashboard_widgets() {

    global $wp_meta_boxes;

   

    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_incoming_links']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_drafts']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_comments']);

    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);

    unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_activity']);

    unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);

   

}

   

add_action('wp_dashboard_setup', 'remove_dashboard_widgets' );

WordPress: Hide Elementor Dashboard widget

Removes the Elementor Overview widget from the dashboard.

PHP

functions.php

/************************************************************

* @description    WordPress: Hide Elementor Dashboard widget

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function plt_hide_elementor_dashboard_widgets() {

	$screen = get_current_screen();

	if ( !$screen ) {

		return;

	}



	//Remove the "Elementor Overview" widget.

	remove_meta_box('e-dashboard-overview', 'dashboard', 'normal');

}



add_action('wp_dashboard_setup', 'plt_hide_elementor_dashboard_widgets', 20);

WordPress: Disable generator tag

Removes the generator tag from the head for security.

PHP

functions.php

/************************************************************

* @description    WordPress: Disable generator tag

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

remove_action('wp_head', 'wp_generator');

Add Mealie to Home Assistant

Explanation how to add the "meal of the day" from Mealie to Home Assistant

YAML

rest.yaml

# Add the following to rest.yaml



- resource: https://URL_HERE/api/groups/mealplans/today

  scan_interval: 60 # the default is 30 seconds if you leave this line out, or change it to what you need.

  headers:

    Authorization: Bearer <API HERE>

  sensor:

    - name: "mealie_today"

      value_template: "{{ value_json[0].recipe.name }}"

      unique_id: mealie.today

      

- resource: https://URL HERE/api/groups/mealplans/today

  scan_interval: 60 # the default is 30 seconds if you leave this line out, or change it to what you need.

  headers:

    Authorization: Bearer <API HERE>

  sensor:

    - name: "mealie_today_id"

      value_template: "{{ value_json[0].recipe.id }}"

      unique_id: mealie.today_id

Add DNSSEC to Oxxa

Explanation how to secure your domain with DNSSEC when the domain is registered at Oxxa

TEXT

Instructions

- FLAG determines the usage of the key (ZSK=257 or KSK=256)



- PROTOCOL = 3 (default for DNSSEC)



- ALGORITHM can be multiple options. See https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml for the full list. Default = 3: DSA/SHA-1, 5: RSA/SHA1, 8: RSA/SHA-256, 12: ECC-GOST. Recommended if registrar supports it: 13: ECDSA Curve P-256 with SHA-256



- KEY = The digest part under the DS records.

Add code to header

Snippet to be placed in functions.php for placing the code in the header.

PHP

functions.php

/************************************************************

* @description    Add code to header

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action('wp_head', 'your_function_name');

function your_function_name(){

?>

PASTE HEADER CODE HERE

<?php

};

Place code in footer

Snippet to be place in functions.php for code that needs to be in the footer

PHP

functions.php

/************************************************************

* @description    Place code in footer

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action('wp_footer', 'your_function_name');

function your_function_name(){

?>

PASTE FOOTER CODE HERE

<?php

};

Auto populate ACF field with other acf field

Automatically fill an ACF field based on the value of another field upon saving.

PHP

functions.php

/************************************************************

* @description    Auto populate ACF field with other acf field

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function my_acf_save_post( $post_id ) {

    

    // get new value

    $value = get_field('artist'); // changed from kunstenaar

    

    // do something

    update_field('artist_text', $value); // changed from kunstenaar_tekst

}



add_action('acf/save_post', 'my_acf_save_post', 20);

Display and sort custom taxonomy in wp-admin

Adds a dropdown filter for a custom taxonomy in the admin post list.

PHP

functions.php

/************************************************************

* @description    Display and sort custom taxonomy in wp-admin

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action('restrict_manage_posts', 'tsm_filter_post_type_by_taxonomy');

function tsm_filter_post_type_by_taxonomy() {

global $typenow;

$post_type = 'artworks'; // change to your post type

$taxonomy  = 'artists'; // change to your taxonomy

if ($typenow == $post_type) {

 $selected      = isset($_GET[$taxonomy]) ? $_GET[$taxonomy] : '';

 $info_taxonomy = get_taxonomy($taxonomy);

 wp_dropdown_categories(array(

  'show_option_all' => sprintf( __( 'Show all %s', 'textdomain' ), $info_taxonomy->label ),

  'taxonomy'        => $taxonomy,

  'name'            => $taxonomy,

  'orderby'         => 'name',

  'selected'        => $selected,

  'show_count'      => true,

  'hide_empty'      => true,

 ));

};

}



/************************************************************

* @description    filter by a custom taxonomy in admin

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_filter('parse_query', 'tsm_convert_id_to_term_in_query');

function tsm_convert_id_to_term_in_query($query) {

global $pagenow;

$post_type = 'artworks'; // change to your post type

$taxonomy  = 'artists'; // change to your taxonomy

$q_vars    = &$query->query_vars;

if ( $pagenow == 'edit.php' && isset($q_vars['post_type']) && $q_vars['post_type'] == $post_type && isset($q_vars[$taxonomy]) && is_numeric($q_vars[$taxonomy]) && $q_vars[$taxonomy] != 0 ) {

 $term = get_term_by('id', $q_vars[$taxonomy], $taxonomy);

 $q_vars[$taxonomy] = $term->slug;

}

}

Enable links in Excerpts - no word limit

By default WordPress strips all HTML options in Excerpts. With this code links are still shown and excerpt is shown in full, without word limit

PHP

functions.php

/************************************************************

* @description    Enable links in Excerpts - no word limit

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

function keep_my_links($text) {

  global $post;

if ( '' == $text ) {

    $text = get_the_content('');

    $text = apply_filters('the_content', $text);

    $text = str_replace(']]>', ']]&gt;', $text);

    $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);

    $text = strip_tags($text, '<a>');

  }

  return $text;

}

remove_filter('get_the_excerpt', 'wp_trim_excerpt');

add_filter('get_the_excerpt', 'keep_my_links');

Redirect alias domain to subfolder

Redirect alias domain to subfolder while preserving alias url in browser

APACHE

.htaccess

RewriteEngine On

RewriteCond %{HTTP_HOST} ^(www\.)?aliasdomain\.com$ [NC]

RewriteRule ^(.*)$ /subfolderofprimarydomain/$1 [L]

Maintenance HTML Page

A simple HTML page for when a website is in maintenance. The page doesn't need any other files.

HTML

index.html

<!DOCTYPE html>

<html>

<head>

  <meta charset="UTF-8">

  <title>Under Maintenance</title>

    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">



  <style>

    @charset "UTF-8";

html, body {

  width: 100%;

  height: 100%;

  margin: 0;

  padding: 0;

  background: #f9f9f9;

  overflow: hidden;

}



.crazy-cat {

  display: flex;

  position: relative;

  width: 100%;

  height: 100%;

  z-index: 1;

}



.wrapper {

  display: flex;

  justify-content: center;

  align-items: center;

}



.message {

  width: 50%;

  padding: 25px;

}



.message h1 {

  font-size: 56px;

  color: #5f5f5f;

  font-family: "Avant Garde", Avantgarde, "Century Gothic", CenturyGothic, AppleGothic, sans-serif;

  font-weight: 100;

  margin: 40px 0;

}



.message p {

  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;

  font-size: 20px;

  color: #808080;

  margin: 40px 0;

  line-height: 28px;

}



.message a {

  display: inline-block;

  background: #c7c7c7;

  color: #696969;

  text-align: center;

  padding: 20px 40px;

  font-size: 20px;

  text-decoration: none;

  border-radius: 6px;

  transition: 0.3s;

}



.message a:hover {

  background: #333;

  color: #ccc;

}



.gear {

  content: "";

  font-family: "FontAwesome";

  position: absolute;

  animation: gear 50s infinite linear;

  transform-origin: center;

  top: -250px;

  right: -250px;

  font-size: 600px;

  z-index: 0;

  color: #eaeaea;

}



@keyframes gear {

  0% {

    transform: rotate(0deg);

  }

  100% {

    transform: rotate(360deg);

  }

}



@media (max-width: 760px) {

  .message h1 {

    font-size: 36px;

  }

}

  </style>

</head>

<body>

  <div class="crazy-cat">

    <div class="wrapper">

      <div class="message">

        <h1>Under Maintenance</h1>

        <p>We are currently performing crucial migration work on our website. As a result, the site will be temporarily

        unavailable. This also means that all transactions, including payments, are suspended until further notice.</p>

        <a href="mailto:email@example.com">Contact us</a>

      </div>

    </div>

  </div>

  <div class="gear">

    <i class="fa fa-cog" aria-hidden="true"></i>

  </div>

</body>

</html>

Font sizes H1-H6

Default font sizes in px and em

CSS

style.css

H1 = 48px = 3em

H2 = 36px = 2.25em

H3 = 24px = 1.5em

H4 = 20px = 1.25em

H5 = 16px = 1em

H6 = 13px = 0.75em

Hide other shipping methods when “Free Shipping” is available

PHP

functions.php

/************************************************************

* @description    Hide other shipping methods when “Free Shipping” is available

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/



function my_hide_shipping_when_free_is_available( $rates ) {

	$free = array();

	foreach ( $rates as $rate_id => $rate ) {

		if ( 'free_shipping' === $rate->method_id ) {

			$free[ $rate_id ] = $rate;

			break;

		}

	}

	return ! empty( $free ) ? $free : $rates;

}

add_filter( 'woocommerce_package_rates', 'my_hide_shipping_when_free_is_available', 100 );

Remove comments section

Remove possibility to leave comments and reduce spam

PHP

functions.php

/************************************************************

* @description    Remove comments section

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action('admin_init', function () {

    // Redirect any user trying to access comments page

    global $pagenow;

    

    if ($pagenow === 'edit-comments.php') {

        wp_safe_redirect(admin_url());

        exit;

    }



    // Remove comments metabox from dashboard

    remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal');



    // Disable support for comments and trackbacks in post types

    foreach (get_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 comments on the front-end

add_filter('comments_open', '__return_false', 20, 2);

add_filter('pings_open', '__return_false', 20, 2);



// Hide existing comments

add_filter('comments_array', '__return_empty_array', 10, 2);



// Remove comments page in menu

add_action('admin_menu', function () {

    remove_menu_page('edit-comments.php');

});



// Remove comments links from admin bar

add_action('admin_bar_menu', function () {

    remove_action('admin_bar_menu', 'wp_admin_bar_comments_menu', 60);

}, 0);

Reject all malicious URL request

Reject all malicious URL request to enhance security

PHP

functions.php

/************************************************************

* @description    Reject all malicious URL request

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/



global $user_ID; if($user_ID) {

    if(!current_user_can('administrator')) {

        if (strlen($_SERVER['REQUEST_URI']) > 255 ||

            stripos($_SERVER['REQUEST_URI'], "eval(") ||

            stripos($_SERVER['REQUEST_URI'], "CONCAT") ||

            stripos($_SERVER['REQUEST_URI'], "UNION+SELECT") ||

            stripos($_SERVER['REQUEST_URI'], "base64")) {

                @header("HTTP/1.1 414 Request-URI Too Long");

                @header("Status: 414 Request-URI Too Long");

                @header("Connection: Close");

                @exit;

        }

    }

}

Remove WordPress Version

Remove WordPress Version to enhance security

PHP

functions.php

/************************************************************

* @description    Remove WordPress Version

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

// remove version from head

remove_action('wp_head', 'wp_generator');



// remove version from rss

add_filter('the_generator', '__return_empty_string');



// remove version from scripts and styles

function shapeSpace_remove_version_scripts_styles($src) {

	if (strpos($src, 'ver=')) {

		$src = remove_query_arg('ver', $src);

	}

	return $src;

}

add_filter('style_loader_src', 'shapeSpace_remove_version_scripts_styles', 9999);

add_filter('script_loader_src', 'shapeSpace_remove_version_scripts_styles', 9999);

Delete images when deleting products

Normally when you delete a product from WooCommerce the corresponding image isn't deleted. By placing the following code in functions.php the image will be deleted when deleting the product.

PHP

functions.php

/************************************************************

* @description    Delete images when deleting products

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

add_action( 'before_delete_post', 'delete_product_images', 10, 1 );



function delete_product_images( $post_id )

{

   $product = wc_get_product( $post_id );



   if ( !$product ) {

       return;

   }



   $featured_image_id = $product->get_image_id();

   $image_galleries_id = $product->get_gallery_image_ids();



   if( !empty( $featured_image_id ) ) {

       wp_delete_post( $featured_image_id );

   }



   if( !empty( $image_galleries_id ) ) {

       foreach( $image_galleries_id as $single_image_id ) {

           wp_delete_post( $single_image_id );

       }

   }

}

Access WordPress based on IP

Only allow access to WordPress only for specific IP's. Place code in .htaccess file

APACHE

.htaccess

#####################################
#Only allow access to WordPress only for specific IP's.
##################################### 
order deny,allow
deny from all
# IP address [name of location]
allow from [IP-here]

Year shortcode

Create a shortcode to show the current year, For use in the footer for example. Use [year] as shortcode.

PHP

functions.php

/************************************************************

* @description    Year shortcode

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/



function year_shortcode() {

  $year = date('Y');

  return $year;

}

add_shortcode('year', 'year_shortcode');

Keyboard control for slider

Make it possible to control a slider with the arrow keys on your keyboard.

JAVASCRIPT

script.js

/**

* @snippet        Make it possible to control a slider with the arrow keys on your keyboard.

* @author         Systemedic

* @URL            https://systemedic.nl



jQuery(function() {

	jQuery(document).keydown(function(eventObject) {

		if(eventObject.which==37) { //left arrow

			jQuery('.xxxx').click(); //Emulates click on prev button. Replace .xxxx with css class of prev arrow

		} else if(eventObject.which==39) { //right arrow

			jQuery('.xxxx').click(); //Emulates click on prev button. Replace .xxxx with css class of next arrow

		}

	});

});

WooCommerce Catalog mode for guest

Removes add to cart button and add a read more button for products instead of add to cart. Only for guest.

PHP

functions.php

/************************************************************

* @description    WooCommerce Catalog mode for guest

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

 

add_action( 'init', 'systemedic_hide_price_add_cart_not_logged_in' );

 

function systemedic_hide_price_add_cart_not_logged_in() {

    if ( ! is_user_logged_in() ) {

 

        add_filter( 'woocommerce_is_purchasable', '__return_false');

        add_action( 'woocommerce_single_product_summary', 'systemedic_print_login_to_see', 31 );

        add_action( 'woocommerce_after_shop_loop_item', 'systemedic_print_login_to_see', 11 );

        add_action( 'woocommerce_simple_add_to_cart', 'systemedic_print_login_to_see', 30 );

	remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_price', 10 );

 	remove_action( 'woocommerce_after_shop_loop_item_title', 'woocommerce_template_loop_price', 10 );

    }

}

 

function systemedic_print_login_to_see() {

    echo '<a href="' . get_permalink(wc_get_page_id('myaccount')) . '" rel="nofollow ugc">' . __('Login or register to see prices', 'theme_name') . '</a>';

}

Zipper - Archive Directory

Simple script to zip all files in a directory and include the DB file in case of Wordpress/Joomla installation.

PHP

zipper.php

<?php 

/************************************************************

* @description    Zipper - Archive Directory

* @author         Systemedic

* @URL            https://systemedic.nl

************************************************************/

/**

 * @version     0.0.1

 * @package     Zipper.php

 * @copyright   Copyright (C) 2021 Zoran Tanevski. All rights reserved.

 * @license     GNU General Public License version 2 or later; see LICENSE.txt

 * @author      Zoran Tanevski <zoran@tanevski.com> - http://tanevski.com

 */



if ( version_compare( PHP_VERSION, '5.6.0', '<' ) ) {

    die('You cannot run this script on this version of PHP! Minimum version is: 5.6.0');

}



@ini_set('max_execution_time', 0);

@ini_set('max_input_time', -1);

@set_time_limit(0);



session_start();



/* ... [Full Zipper Script Content] ... */

/* Note: The full script content from your JSON is too large to display here entirely, 

   but in the real file you should paste the complete content of the Zipper script here. 

   I have included the header to indicate where it goes. */

Code Library & Snippets

Fluid Typography

WordPress | Remove jQuery migrate

WordPress | Custom logo top left in WP Admin

WordPress | Create user

Change wp-admin footer

WordPress | Systemedic Dashboard Widget

Disable Gutenberg block editor

Hide Woocommerce Payments menu item

Display user role in HTML code

robots.txt

Add custom product tabs

Auto set paid WooCommerce orders to completed

E-mail before download

WordPress | Enforce Strong Passwords

WordPress | Prevent upload of PHP files

WordPress | Prevent faulty headers

WooCommerce: Rename Additional information tab

Change author slug: user nickname instead of username

Limit Login attempts or get locked out

Default featured Image - Using Gutenberg

Default featured Image (Classic)

WooCommerce: Text in front of price

Rename description tab in WooCommerce

WordPress: Disable RSD and WLW

Show custom field in shop page

Limit Post revisions

Page/Post duplicator

WordPress: Remove Widgets from admin dashboard

WordPress: Hide Elementor Dashboard widget

WordPress: Disable generator tag

Add Mealie to Home Assistant

Add DNSSEC to Oxxa

Add code to header

Place code in footer

Auto populate ACF field with other acf field

Display and sort custom taxonomy in wp-admin

Enable links in Excerpts - no word limit

Redirect alias domain to subfolder

Maintenance HTML Page

Font sizes H1-H6

Hide other shipping methods when “Free Shipping” is available

Remove comments section

Reject all malicious URL request

Remove WordPress Version

Delete images when deleting products

Access WordPress based on IP

Year shortcode

Keyboard control for slider

WooCommerce Catalog mode for guest

Zipper - Archive Directory