<?php

// Shorten Template Directory URL
function theme_url()
{
    return get_template_directory_uri();
}

// Theme Assets URL
function assets_url()
{
    return get_template_directory_uri() . '/assets';
}

// Scripts and Styles
function mnmlwp_scripts_and_styles()
{
    $options = get_option('mnmlwp_options');

    // Scripts
    wp_enqueue_script( 'lazyload', assets_url() . '/js/jquery.lazyload.min.js', array('jquery'), '1.9.7', true );
    wp_enqueue_script( 'main', assets_url() . '/js/main.js', array('jquery'), '0.1.9', true );

    if ( is_singular() )
        wp_enqueue_script( 'comment-reply' );

    // Styles
    wp_enqueue_style( 'mnmlwp', get_template_directory_uri() . '/style.css' );
    wp_enqueue_style( 'font-awesome', assets_url() . '/fonts/font-awesome-4.7.0/css/font-awesome.min.css' );
    wp_enqueue_style( 'hamburgers', assets_url() . '/css/hamburgers/hamburgers.css' );
    wp_enqueue_style( 'main-footer', assets_url() . '/css/main-footer.css' );

    if( get_theme_mod( 'mnmlwp_has_local_font', true ) ) {
        wp_enqueue_style( 'mnmlwp-fonts', assets_url() . '/css/fonts.css' );
    }

    wp_enqueue_style( 'main', assets_url() . '/css/main.css' );
}

add_action( 'wp_enqueue_scripts', 'mnmlwp_scripts_and_styles' );

// Admin Scripts and Styles
function mnmlwp_admin_scripts_and_styles()
{
    // Scripts
    wp_enqueue_script( 'lightbox', assets_url() . '/js/lightbox2-master/dist/js/lightbox.min.js', array('jquery'), '2.9.0', true );
    wp_enqueue_script( 'alpha-color-picker', get_template_directory_uri() . '/inc/alpha-color-picker/alpha-color-picker.js', array('jquery'), '2.9.0', true );
    wp_enqueue_script( 'admin', assets_url() . '/js/admin.js', array('jquery', 'alpha-color-picker', 'wp-color-picker'), '0.0.1', true );

    // Styles
    wp_enqueue_style( 'alpha-color-picker', get_template_directory_uri() . '/inc/alpha-color-picker/alpha-color-picker.css' );
    wp_enqueue_style( 'wp-color-picker' );
    wp_enqueue_style( 'admin', assets_url() . '/css/admin.css' );
}

add_action( 'admin_enqueue_scripts', 'mnmlwp_admin_scripts_and_styles' );

// Remove Script/Style Type Attributes
function mnmlwp_remove_type_attr($tag, $handle) {
    return preg_replace( "/type=['\"]text\/(javascript|css)['\"]/", '', $tag );
}

add_filter('style_loader_tag', 'mnmlwp_remove_type_attr', 10, 2);
add_filter('script_loader_tag', 'mnmlwp_remove_type_attr', 10, 2);

// Load Textdomain
function mnmlwp_i18n()
{
    load_theme_textdomain( 'mnmlwp', get_template_directory() . '/lang' );
}

add_action( 'after_setup_theme', 'mnmlwp_i18n' );

// Post Formats
add_theme_support( 'post-formats', array(
    'audio',
    'gallery',
    'video'
) );

// Add Image Sizes
function mnmlwp_add_image_sizes()
{
    add_image_size( 'mnmlwp-1920', 1920, 1080 );
    add_image_size( 'mnmlwp-1600', 1600, 900 );
    add_image_size( 'mnmlwp-800', 800, 450 );

    // Set image compression quality
    add_filter('jpeg_quality', function($arg) {
        return 80;
    });
}

add_action( 'after_setup_theme', 'mnmlwp_add_image_sizes' );

// Remove Junk from WP Head
// remove_action('wp_head', 'rsd_link');
// remove_action('wp_head', 'feed_links', 2);
// remove_action('wp_head', 'index_rel_link');
// remove_action('wp_head', 'wlwmanifest_link');
// remove_action('wp_head', 'feed_links_extra', 3);
// remove_action('wp_head', 'start_post_rel_link', 10, 0);
// remove_action('wp_head', 'parent_post_rel_link', 10, 0);
// remove_action('wp_head', 'adjacent_posts_rel_link', 10, 0);
// remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 );
// remove_action('wp_head', 'rel_canonical');
// remove_action('wp_head', 'rsd_link');
// remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
// remove_action('wp_head', 'wp_generator');
// remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
// remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
// remove_action( 'wp_print_styles', 'print_emoji_styles' );
// remove_action( 'admin_print_styles', 'print_emoji_styles' );

function wpbeginner_remove_version()
{
    return '';
}

add_filter('the_generator', 'wpbeginner_remove_version');

// Title Tag
function wpse_theme_setup() {
    add_theme_support( 'title-tag' );
}

add_action( 'after_setup_theme', 'wpse_theme_setup' );

apply_filters( 'document_title_separator', '|' );
apply_filters( 'document_title_parts', array(
    'title' => get_bloginfo('name'),
) );

// Support HTML5 Markup Search Form
add_theme_support( 'html5', array( 'search-form' ) );

// Featured Images in Posts/Pages
add_theme_support( 'post-thumbnails', array( 'post', 'page' ) );

// Automatic Feed Links
add_theme_support( 'automatic-feed-links' );

// Custom Header
add_theme_support( 'custom-header' );

// Custom Background
// add_theme_support( 'custom-background' );

// Add Editor Style
function wpdocs_theme_add_editor_styles() {
    add_editor_style( 'custom-editor-style.css' );
}

add_action( 'admin_init', 'wpdocs_theme_add_editor_styles' );

// Remove Automatic Paragraphs
remove_filter( 'the_content', 'wpautop' );
add_filter( 'the_content', 'wpautop', 99 );

// Enable Shortcodes in Text Widgets
add_filter('widget_text','do_shortcode');

// WP Link Pages
$defaults = array(
    'before' => '<p>' . esc_html__( 'Pages:', 'mnmlwp' ),
    'after' => '</p>',
    'link_before' => '',
    'link_after' => '',
    'next_or_number' => 'number',
    'separator' => ' ',
    'nextpagelink' => esc_html__( 'Next page', 'mnmlwp'),
    'previouspagelink' => esc_html__( 'Previous page', 'mnmlwp' ),
    'pagelink' => '%',
    'echo' => 1
);

wp_link_pages( $defaults );

// Content Width
if ( ! isset( $content_width ) ) $content_width = 1920;

// mnmlWP Plugin Activation
require_once( dirname(__FILE__) . '/inc/class-tgm-plugin-activation.php' );

add_action( 'tgmpa_register', 'mnmlwp_register_required_plugins' );

function mnmlwp_register_required_plugins()
{
    $plugins = array(

        array(
            'name' => 'mnmlWP Shortcodes',
            'slug' => 'mnmlwp-shortcodes',
            // 'source' => get_template_directory() . '/lib/plugins/tgm-example-plugin.zip', // The plugin source.
            'source' => 'https://mnmlwp.de/update/downloads/plugins/mnmlwp-shortcodes-0.1.5.zip', // The plugin source.
            'required' => false, // If false, the plugin is only 'recommended' instead of required.
            'version' => '0.1.5', // E.g. 1.0.0. If set, the active plugin must be this version or higher. If the plugin version is higher than the plugin version installed, the user will be notified to update the plugin.
            'force_activation' => false, // If true, plugin is activated upon theme activation and cannot be deactivated until theme switch.
            'force_deactivation' => false, // If true, plugin is deactivated upon theme switch, useful for theme-specific plugins.
            // 'external_url' => 'https://sebastianhonert.com/mnmlwp/update/downloads/plugins/mnmlwp-contact-form-0.1.1.zip', // If set, overrides default API URL and points to an external URL.
            'is_callable' => '', // If set, this callable will be be checked for availability to determine if a plugin is active.
        ),

        array(
            'name' => 'mnmlWP Contact Form',
            'slug' => 'mnmlwp-contact-form',
            // 'source' => get_template_directory() . '/lib/plugins/tgm-example-plugin.zip', // The plugin source.
            'source' => 'https://mnmlwp.de/update/downloads/plugins/mnmlwp-contact-form-0.1.4.zip', // The plugin source.
            'required' => false, // If false, the plugin is only 'recommended' instead of required.
            'version' => '0.1.4', // E.g. 1.0.0. If set, the active plugin must be this version or higher. If the plugin version is higher than the plugin version installed, the user will be notified to update the plugin.
            'force_activation' => false, // If true, plugin is activated upon theme activation and cannot be deactivated until theme switch.
            'force_deactivation' => false, // If true, plugin is deactivated upon theme switch, useful for theme-specific plugins.
            'external_url' => '', // If set, overrides default API URL and points to an external URL.
            'is_callable' => '', // If set, this callable will be be checked for availability to determine if a plugin is active.
        ),
    );

    /*
     * Array of configuration settings. Amend each line as needed.
     *
     * TGMPA will start providing localized text strings soon. If you already have translations of our standard
     * strings available, please help us make TGMPA even better by giving us access to these translations or by
     * sending in a pull-request with .po file(s) with the translations.
     *
     * Only uncomment the strings in the config array if you want to customize the strings.
     */
    $config = array(
        'id' => 'mnmlwp',  // Unique ID for hashing notices for multiple instances of TGMPA.
        'default_path' => '',  // Default absolute path to bundled plugins.
        'menu' => 'tgmpa-install-plugins', // Menu slug.
        'has_notices' => true, // Show admin notices or not.
        'dismissable' => true, // If false, a user cannot dismiss the nag message.
        'dismiss_msg' => '', // If 'dismissable' is false, this message will be output at top of nag.
        'is_automatic' => false, // Automatically activate plugins after installation or not.
        'message' => '', // Message to output right before the plugins table.

        'strings' => array(
            'page_title' => esc_html__( 'Install Required Plugins', 'mnmlwp' ),
            'menu_title' => esc_html__( 'Install Plugins', 'mnmlwp' ),
            /* translators: %s: plugin name. */
            'installing' => esc_html__( 'Installing Plugin: %s', 'mnmlwp' ),
            /* translators: %s: plugin name. */
            'updating' => esc_html__( 'Updating Plugin: %s', 'mnmlwp' ),
            'oops' => esc_html__( 'Something went wrong with the plugin API.', 'mnmlwp' ),
            'notice_can_install_required' => _n_noop(
                /* translators: 1: plugin name(s). */
                'This theme requires the following plugin: %1$s.',
                'This theme requires the following plugins: %1$s.',
                'mnmlwp'
            ),
            'notice_can_install_recommended' => _n_noop(
                /* translators: 1: plugin name(s). */
                'This theme recommends the following plugin: %1$s.',
                'This theme recommends the following plugins: %1$s.',
                'mnmlwp'
            ),
            'notice_ask_to_update' => _n_noop(
                /* translators: 1: plugin name(s). */
                'The following plugin needs to be updated to its latest version to ensure maximum compatibility with this theme: %1$s.',
                'The following plugins need to be updated to their latest version to ensure maximum compatibility with this theme: %1$s.',
                'mnmlwp'
            ),
            'notice_ask_to_update_maybe' => _n_noop(
                /* translators: 1: plugin name(s). */
                'There is an update available for: %1$s.',
                'There are updates available for the following plugins: %1$s.',
                'mnmlwp'
            ),
            'notice_can_activate_required' => _n_noop(
                /* translators: 1: plugin name(s). */
                'The following required plugin is currently inactive: %1$s.',
                'The following required plugins are currently inactive: %1$s.',
                'mnmlwp'
            ),
            'notice_can_activate_recommended' => _n_noop(
                /* translators: 1: plugin name(s). */
                'The following recommended plugin is currently inactive: %1$s.',
                'The following recommended plugins are currently inactive: %1$s.',
                'mnmlwp'
            ),
            'install_link' => _n_noop(
                'Begin installing plugin',
                'Begin installing plugins',
                'mnmlwp'
            ),
            'update_link' => _n_noop(
                'Begin updating plugin',
                'Begin updating plugins',
                'mnmlwp'
            ),
            'activate_link' => _n_noop(
                'Begin activating plugin',
                'Begin activating plugins',
                'mnmlwp'
            ),
            'return' => esc_html__( 'Return to Required Plugins Installer', 'mnmlwp' ),
            'plugin_activated' => esc_html__( 'Plugin activated successfully.', 'mnmlwp' ),
            'activated_successfully' => esc_html__( 'The following plugin was activated successfully:', 'mnmlwp' ),
            /* translators: 1: plugin name. */
            'plugin_already_active' => esc_html__( 'No action taken. Plugin %1$s was already active.', 'mnmlwp' ),
            /* translators: 1: plugin name. */
            'plugin_needs_higher_version' => esc_html__( 'Plugin not activated. A higher version of %s is needed for this theme. Please update the plugin.', 'mnmlwp' ),
            /* translators: 1: dashboard link. */
            'complete' => esc_html__( 'All plugins installed and activated successfully. %1$s', 'mnmlwp' ),
            'dismiss' => esc_html__( 'Dismiss this notice', 'mnmlwp' ),
            'notice_cannot_install_activate' => esc_html__( 'There are one or more required or recommended plugins to install, update or activate.', 'mnmlwp' ),
            'contact_admin' => esc_html__( 'Please contact the administrator of this site for help.', 'mnmlwp' ),
            'nag_type' => '', // Determines admin notice type - can only be one of the typical WP notice classes, such as 'updated', 'update-nag', 'notice-warning', 'notice-info' or 'error'. Some of which may not work as expected in older WP versions.
        ),
    );

    tgmpa( $plugins, $config );
}

// Customizer & Alpha Color Picker
function mnmlwp_customize_register_acp( $wp_customize )
{
    require_once( realpath(dirname(__FILE__) . '/inc/alpha-color-picker/alpha-color-picker.php') );
}

add_action( 'customize_register', 'mnmlwp_customize_register_acp' );

include 'functions/customizer.php';
include 'inc/customizer-reset/customizer-reset.php';

// Breadcrumbs
include 'functions/breadcrumbs.php';

// Demo Content
include 'demo/functions.php';

// Updater
require_once( dirname(__FILE__) . '/functions/update.php' );

// Disable Rich Text Editor
// function mnmlwp_disable_richedit() {
//     return false;
// }
//
// add_filter( 'user_can_richedit', 'mnmlwp_disable_richedit' );

// Main Navigation
function mnmlwp_register_main_navigation()
{
    register_nav_menus( array(
        'main-nav' => esc_html__( 'Main Navigation', 'mnmlwp' ),
    ) );
}

add_action('after_setup_theme', 'mnmlwp_register_main_navigation');

// Show Navigation/Menu
if( ! function_exists ( 'mnmlwp_nav' ) )
{
    function mnmlwp_nav()
    {
        if ( has_nav_menu( 'main-nav' ) ) {
            echo '<nav id="main">';
                wp_nav_menu( array(
                    'theme_location' => 'main-nav',
                    'menu_class' => 'nav',
                ) );

            echo '</nav>';

            echo '<div class="hamburger hamburger--' . get_theme_mod('mnmlwp_hamburger_class', 'boring') . '">
                <div class="hamburger-box">
                    <div class="hamburger-inner"></div>
                </div>
            </div>';
        }
    }
}

// Add search form to primary navigation
function mnmlwp_add_search_nav_item( $items, $args )
{
    if( $args->theme_location !== 'main-nav' )
        return $items;

    if( ! get_theme_mod(  'mnmlwp_has_nav_search', true) )
        return $items;

    // $searchform = get_search_form( false );

    $searchform = '<form method="get" id="searchform" action="' . esc_url( home_url( '/' ) ) . '">
        <input type="text" class="field" name="s" id="s" placeholder="' . esc_attr__( 'Search', 'mnmlwp' ) . '&hellip;" />
        <button class="submit btn btn-small" id="searchsubmit" value=""></button>
    </form>';

    $items .= '<li class="mnmlwp-main-nav-searchform">' . $searchform . '</li>';

    return $items;
}

add_filter( 'wp_nav_menu_items', 'mnmlwp_add_search_nav_item', 10, 2 );

// Widgets & Sidebars
function mnmlwp_widgets_init()
{
    register_sidebar( array(
        'name' => esc_html__( 'mnmlWP Sidebar', 'mnmlwp' ),
        'id' => 'mnmlwp-sidebar',
        'description' => 'Default Sidebar',
        'class' => '',
        'before_widget' => '<div class="mnmlwp-sidebar-widget">',
        'after_widget' => '</div>',
        'before_title' => '<h2 class="mnmlwp-widget-title">',
        'after_title' => '</h2>'
    ) );

    register_sidebar( array(
        'name'          => 'Footer Left',
        'id'            => 'mnmlwp-footer-left',
        'description'   => 'Left Footer Column',
        'before_widget' => '<div class="mnmlwp-footer-widget mnmlwp-footer-widget-left">',
        'after_widget' => '</div>',
        'before_title' => '<h2 class="mnmlwp-widget-title">',
        'after_title' => '</h2>',
    ) );

    register_sidebar( array(
        'name'          => 'Footer Middle',
        'id'            => 'mnmlwp-footer-middle',
        'description'   => 'Center Footer Column',
        'before_widget' => '<div class="mnmlwp-footer-widget mnmlwp-footer-widget-middle">',
        'after_widget' => '</div>',
        'before_title' => '<h2 class="mnmlwp-widget-title">',
        'after_title' => '</h2>',
    ) );

    register_sidebar( array(
        'name'          => 'Footer Right',
        'id'            => 'mnmlwp-footer-right',
        'description'   => 'Right Footer Column',
        'before_widget' => '<div class="mnmlwp-footer-widget mnmlwp-footer-widget-right">',
        'after_widget' => '</div>',
        'before_title' => '<h2 class="mnmlwp-widget-title">',
        'after_title' => '</h2>',
    ) );
    
    register_sidebar( array(
        'name'          => 'Footer Full Width',
        'id'            => 'mnmlwp-footer-full-width',
        'description'   => 'Full Width Footer',
        'before_widget' => '<div class="mnmlwp-footer-widget mnmlwp-footer-widget-full-width">',
        'after_widget' => '</div>',
        'before_title' => '<h2 class="mnmlwp-widget-title">',
        'after_title' => '</h2>',
    ) );
}

add_action( 'widgets_init', 'mnmlwp_widgets_init' );

// mnmlWP Recent Posts Widget
include dirname(__FILE__) . '/widgets/mnmlwp-recent-posts/mnmlwp-recent-posts.php';
include dirname(__FILE__) . '/widgets/mnmlwp-colored-categories/mnmlwp-colored-categories.php';

// Remove query string from static files
function mnmlwp_remove_cssjs_ver( $src ) {
    if( strpos( $src, '?ver=' ) )
        $src = remove_query_arg( 'ver', $src );

    return $src;
}

add_filter( 'style_loader_src', 'mnmlwp_remove_cssjs_ver', 10, 2 );
add_filter( 'script_loader_src', 'mnmlwp_remove_cssjs_ver', 10, 2 );

/**
 * Add a parent CSS class for nav menu items.
 *
 * @param array  $items The menu items, sorted by each menu item's menu order.
 * @return array (maybe) modified parent CSS class.
 */

function wpdocs_add_menu_parent_class( $items ) {
    $parents = array();

    foreach ( $items as $item ) {
        if ( $item->menu_item_parent && $item->menu_item_parent > 0 ) {
            $parents[] = $item->menu_item_parent;
        }
    }

    foreach ( $items as $item ) {
        if ( in_array( $item->ID, $parents ) ) {
            $item->classes[] = 'menu-parent-item';
        }
    }
    return $items;
}

add_filter( 'wp_nav_menu_objects', 'wpdocs_add_menu_parent_class' );

// Excerpt Length in Words
function mnmlwp_excerpt_length($length) {
    return 60;
}

add_filter('excerpt_length', 'mnmlwp_excerpt_length');

// Replaces the excerpt "Read More" text by a link
function mnmlwp_excerpt_more($more) {
    global $post;
    return ' <a class="moretag" href="'. get_permalink( $post->ID ) . '">' . esc_html__('read&nbsp;more', 'mnmlwp') . '&hellip;</a>';
}

add_filter('excerpt_more', 'mnmlwp_excerpt_more');

// Post List (Archive)
if( ! function_exists( 'mnmlwp_get_posts') )
{
    function mnmlwp_get_posts( $cat = false, $format = 'default' )
    {
        global $wp_query;
        global $paged;

        $posts_per_page = get_option('posts_per_page');

        if( is_front_page() )
            $paged = get_query_var('page');

        if ( is_paged() ) {
            $page_offset = $posts_per_page + ( ( $paged - 2 ) * $posts_per_page );
        } else {
            $page_offset = 0;
        }

        $tag = is_tag() ? single_tag_title('', false) : '';
        $category = is_category() ? single_cat_title('', false) : '';
        $author = is_author() ? get_the_author_meta('nicename') : '';
        $year = get_query_var('year');
        $monthnum = get_query_var('monthnum') ? get_query_var('monthnum') : '01';
        $day = get_query_var('day');

        if( $cat ) {
            $category = $cat;
        }

        if( ! is_date() && ! is_search() )
        {
            query_posts( array(
                'posts_per_page'   => $posts_per_page,
                'offset'           => $page_offset,
                'orderby'          => 'date',
                'order'            => 'DESC',
                'post_type'        => 'post',
                'post_status'      => 'publish',
                'tag'              => $tag,
                'category_name'    => $category,
                'author_name'      => $author,
                'paged'            => $paged,
            ) );
        }

        $html = '';

        if( is_author() ) {
            $html .= '<h1>' . esc_html__('Posts by', 'mnmlwp') . ' ' . ucfirst( $author ) . ' <span class="mnmlwp-search-num-results">(' . $wp_query->found_posts . '&nbsp;' . esc_html__('results', 'mnmlwp') . ')</span></h1>';
        }

        if( is_category() ) {
            $html .= '<h1>' . esc_attr__('Category', 'mnmlwp') . ': ' . ucfirst( $category ) . ' <span class="mnmlwp-search-num-results">(' . $wp_query->found_posts . '&nbsp;' . esc_html__('results', 'mnmlwp') . ')</span></h1>';
        }

        if( is_tag() ) {
            $html .= '<h1>' . esc_attr__('Tag', 'mnmlwp') . ': ' . ucfirst( $tag ) . ' <span class="mnmlwp-search-num-results">(' . $wp_query->found_posts . '&nbsp;' . esc_html__('results', 'mnmlwp') . ')</span></h1>';
        }

        if( is_search() ) {
            global $s;
            global $wp_query;

            $key = esc_html($s);

            if( $s ) {
                if( strlen( $s ) > 15 ) {
                    $s = substr( $s, 0, 15 ) . '&hellip;';
                }
                $html .= '<h1><span class="mnmlwp-highlight">&raquo;' . esc_html( $s ) . '&laquo;</span> <span class="mnmlwp-search-num-results">(' . $wp_query->found_posts . '&nbsp;' . esc_html__('results', 'mnmlwp') . ')</span></h1>';
            } else {
                $html .= '<h1>' . esc_html__('No Results', 'mnmlwp') . '</h1>';
                $html .= '<p>' . esc_html__('Please enter a search term.', 'mnmlwp') . '</p>';
                $html .= get_search_form( false );
                return $html;
            }
        }

        if( have_posts() ) :

            $html .= '<div class="mnmlwp-post-list-wrapper"><ul class="post-list">';

                while( have_posts() ) : the_post();

                    $num_comments = get_comments_number( get_the_ID() );

                    $html .= '<li>';

                        $html .= '<h3 class="post-title">';
                        $html .= '<a class="post-title-link no-border" href="' . get_permalink( get_the_ID() ) . '">' . get_the_title() . '</a>';
                        
                        if( is_sticky() ) {
                            $html .= '<span class="mnmlwp-dashicon dashicons dashicons-admin-post"></span>';
                        }

                        switch( get_post_format( get_the_ID() ) )
                        {
                            case 'audio':
                                $html .= '<span class="mnmlwp-dashicon dashicons dashicons-format-audio"></span>';
                                break;
                                
                            case 'gallery':
                                $html .= '<span class="mnmlwp-dashicon dashicons dashicons-format-gallery"></span>';
                                break;
                            
                            case 'video':
                                $html .= '<span class="mnmlwp-dashicon dashicons dashicons-format-video"></span>';
                                break;
                                
                            default:
                                break;
                        }
                        
                        $html .= '</h3>';

                        if( get_post_type( get_the_ID() ) === 'post' )
                        {
                            $html .= '<div class="mnmlwp-meta-wrapper mnmlwp-meta-wrapper--post-list">';
                                $html .= mnmlwp_get_post_meta( get_the_ID(), array('categories', 'tags') );
                                $html .= mnmlwp_get_post_meta( get_the_ID(), array('author', 'date') );
                            $html .= '</div>';
                        }

                        if ( has_post_thumbnail() && $format !== 'no-images' )
                        {
                            $feat_image_url = get_the_post_thumbnail_url( get_the_ID(), 'full' );

                            $html .= '<div class="mnmlwp-post-list-thumbnail-wrapper">';
                            $html .= '<a href="' . get_permalink( get_the_ID() ) . '"><img class="mnmlwp-post-list-thumbnail lazy" data-original="' . $feat_image_url . '" src="' . assets_url() . '/img/placeholder.png" alt="" /></a>';
                            $html .= '<noscript><a href="' . get_permalink( get_the_ID() ) . '"><img class="mnmlwp-post-list-thumbnail" src="' . $feat_image_url . '" alt="" /></a></noscript>';
                            $html .= '</div>';
                        }

                        if( get_the_excerpt() )
                        {
                            $html .= '<p class="mnmlwp-excerpt">' . get_the_excerpt() . '</p>';

                            if( $num_comments > 0 )
                                $html .= '<p class="last"><a title="' . $num_comments . ' Comments" class="num-comments" href="' . get_permalink( get_the_ID() ) . '#comments">' . $num_comments . ' ' . esc_html__('comment(s)', 'mnmlwp') . '</a></p>';

                        }

                    $html .= '</li>' . "\n";

                endwhile;

            $html .= '</ul></div>';

        else:

            $html .= '<p class="last">' . esc_html__('No posts found. You might want to use the search form or go back to the home page.', 'mnmlwp') . '</p>';

        endif;

        // Paginate

        if( ! $cat )
            $html .= mnmlwp_paginate_links( $paged );

        wp_reset_query();
        wp_reset_postdata();

        return $html;
    }
}

// Post Meta
if( ! function_exists ( 'mnmlwp_get_post_meta' ) )
{
    function mnmlwp_get_post_meta( $post_id, $components = null )
    {
        if( $components === null ) {
            $components = array(
                'author',
                'date',
                'categories',
                'tags',
            );
        } else {
            $componets = array_map( 'esc_attr', $components );
        }

        $divider = '<span class="mnmlwp-separator"></span>';
        // $author_title = '<span class="mnmlwp-author-title">' . esc_html__('Author', 'mnmlwp') . ':</span> ';
        $author_title = '';
        $author = in_array( 'author', $components ) && get_post_type() === 'post' ? $author_title . '<a class="post-meta-author-link" href="' . site_url() . '/author/' . get_the_author_meta('nicename') . '">' . get_the_author_meta('display_name') . '</a>' . $divider : '';
        $date = in_array( 'date', $components ) ? get_the_date() : '';

        $html = '<div class="mnmlwp-post-meta">';

            $html .= '<p class="last">' . $author . $date . '</p>';

            $html .= in_array( 'categories', $components ) ? mnmlwp_get_post_categories( $post_id ) : '';
            $html .= in_array( 'tags', $components ) ? mnmlwp_get_post_tags( $post_id ) : '';

        $html .= '</div>';

        return $html;
    }
}

// Get Categories
if( ! function_exists( 'mnmlwp_get_post_categories' ) )
{
    function mnmlwp_get_post_categories( $post_id )
    {
        $categories = wp_get_post_categories( $post_id );

        if( empty( $categories ) )
            return;

        $html = '<div class="mnmlwp-category-list">';

            // $html .= '<span class="mnmlwp-category-title">' . esc_html__('Categories', 'mnmlwp') . ':</span> ';

            foreach( $categories as $cat )
            {
                $term_id = $cat;
                $cat_meta = get_option( "category_$term_id" );
                $cat_color = isset( $cat_meta['color'] ) ? $cat_meta['color'] : '#0073aa';
                $style = 'background:' . $cat_color . ';color:#fff!important';

                $cat_name = get_cat_name( $cat );
                $cat_name_short = substr( get_cat_name( $cat ), 0, 1 );
                $cat_data = get_option("category_$cat");

                $category = get_category( $cat );

                $html .= '<a class="mnmlwp-category-link" style="' . $style . '" title="' . get_cat_name( $cat ) . '" href="' . get_category_link( $cat ) . '">' . $cat_name . '</a>';

                // if( $cat !== end($categories) )
                //     $html .= ', ';
            }

        $html .= '</div>';

        return $html;
    }
}

// Post Tags
if( ! function_exists('mnmlwp_get_post_tags') )
{
    function mnmlwp_get_post_tags( $post_id )
    {
        $tags = get_the_tags( $post_id );

        if( empty( $tags ) )
            return;

        $html = '<div class="mnmlwp-tag-list">';

            // $html .= '<span class="mnmlwp-tag-title">' . esc_html__('Tags', 'mnmlwp') . ':</span> ';

            foreach( $tags as $tag )
            {
                $html .= '<a class="mnmlwp-tag-link" href="' . get_tag_link( $tag->term_id ) . '">' . $tag->name . '</a>';

                // if( $tag !== end($tags) )
                //     $html .= ', ';
            }

        $html .= '</div>';

        return $html;
    }
}

// Paginate links
if( ! function_exists ( 'mnmlwp_paginate_links' ) )
{
    function mnmlwp_paginate_links( $paged = 0 )
    {
        global $wp_query;

        if( $wp_query->max_num_pages == 1 )
            return '';

        $big = 999999999; // need an unlikely integer

        $html = '<div class="mnmlwp-pagination">';
            $html .= paginate_links( array(
                'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
                'format' => '?paged=%#%',
                'current' => max( 1, $paged ),
                'total' => $wp_query->max_num_pages,
                'prev_next' => false,
                'show_all' => true,
            ) );
        $html .= '</div>';

        return $html;
    }
}

// Adjacent Posts
if( ! function_exists ( 'mnmlwp_adjacent_posts' ) )
{
    function mnmlwp_adjacent_posts()
    {
        // Next & prev post
        $next_post = get_next_post();
        $prev_post = get_previous_post();

        $next_post_title = ! empty( $next_post ) ? $next_post->post_title : 'Next';
        $prev_post_title = ! empty( $prev_post ) ? $prev_post->post_title : 'Previous';

        if( ! empty( $next_post ) || ! empty( $prev_post ) ) { ?>

        <div class="prev-posts">
            <?php if( ! empty( $prev_post ) ): ?>
                <div class="prev-posts prev" title="<?php echo $prev_post_title; ?>"><?php previous_post_link('%link', esc_html__('Previous Post', 'mnmlwp')) ?></div>
            <?php endif; ?>

            <?php if( ! empty( $next_post ) ): ?>
                <div class="prev-posts next" title="<?php echo $next_post_title; ?>"><?php next_post_link('%link', esc_html__('Next Post', 'mnmlwp') ) ?></div>
            <?php endif; ?>
        </div>

        <?php }
    }
}

// Hero Row
if( ! function_exists( 'mnmlwp_get_hero_row' ) )
{
    function mnmlwp_get_hero_row()
    {
        $hero_bg_image = get_the_post_thumbnail_url( get_the_ID(), 'mnmlwp-1920' );
        $hero_bg = has_post_thumbnail( get_the_ID() ) ? 'url(' . get_the_post_thumbnail_url( get_the_ID(), 'mnmlwp-1920' ) . ')' : '#eee';
        $hero_overlay = get_post_meta( get_the_ID(), '_mnmlwp_hero_has_overlay', true );
        $hero_title = get_post_meta( get_the_ID(), '_mnmlwp_hero_title', true );
        $hero_overlay_style_background = get_post_meta( get_the_ID(), '_mnmlwp_hero_overlay_color', true ) ? 'background:' . get_post_meta( get_the_ID(), '_mnmlwp_hero_overlay_color', true ) . ';' : '';
        $hero_overlay_style_background = get_post_meta( get_the_ID(), '_mnmlwp_hero_has_radial_gradient', true ) == 1 ? 'background:radial-gradient(transparent,' . get_post_meta( get_the_ID(), '_mnmlwp_hero_overlay_color', true ) . ');' : $hero_overlay_style_background;
        $hero_overlay_style_opacity = get_post_meta( get_the_ID(), '_mnmlwp_hero_overlay_opacity', true ) ? 'opacity:' . get_post_meta( get_the_ID(), '_mnmlwp_hero_overlay_opacity', true ) / 100 . ';' : '0.3;';
        $hero_classes = get_post_meta( get_the_ID(), '_mnmlwp_hero_has_skew', true ) == 1 ? 'skewed' : '';
        $hero_bg_position_horizontal = get_post_meta( get_the_ID(), '_mnmlwp_hero_background_position_horizontal', true );
        $hero_bg_position_vertical = get_post_meta( get_the_ID(), '_mnmlwp_hero_background_position_vertical', true );
        $hero_bg_attachment_fixed = get_post_meta( get_the_ID(), '_mnmlwp_hero_background_attachment_fixed', true );
        $hero_classes .= get_post_meta( get_the_ID(), '_mnmlwp_hero_background_attachment_fixed', true ) == 1 ? ' bg-attachment-fixed' : '';
        
        $html = '<div class="row-hero-wrapper">';
        $html .= '<div class="row row--hero ' . $hero_classes . '" style="background: ' . $hero_bg . ' ' . $hero_bg_position_vertical . ' ' . $hero_bg_position_horizontal . '; background-size: cover;">';

        if( ! empty( $hero_overlay ) ) {
            $html .= '<div class="mnmlwp-overlay" style="' . $hero_overlay_style_background . $hero_overlay_style_opacity . '"></div>';
        }

        $html .= '<div class="column column--hero"><div class="hero-title">' . $hero_title . '</div></div>';
        $html .= '</div>';
        $html .= '</div>';

        return $html;
    }
}

/**
 * Convert hexdec color string to rgb(a) string
 */

function mnmlwp_hex2rgba($color, $opacity = false) {

    $default = 'rgb(0,0,0)';

    //Return default if no color provided
    if(empty($color))
          return $default;

    //Sanitize $color if "#" is provided
        if ($color[0] == '#' ) {
            $color = substr( $color, 1 );
        }

        //Check if color has 6 or 3 characters and get values
        if (strlen($color) == 6) {
                $hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
        } elseif ( strlen( $color ) == 3 ) {
                $hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
        } else {
                return $default;
        }

        //Convert hexadec to rgb
        $rgb =  array_map('hexdec', $hex);

        //Check if opacity is set(rgba or rgb)
        if($opacity){
            if(abs($opacity) > 1)
                $opacity = 1.0;
            $output = 'rgba('.implode(",",$rgb).','.$opacity.')';
        } else {
            $output = 'rgb('.implode(",",$rgb).')';
        }

        //Return rgb(a) color string
        return $output;
}

/**
 * Success Message for Admin after theme was installed
 */
function mnmlwp_admin_welcome_message()
{
    $welcome = '<div class="notice notice-success is-dismissible">';
    $welcome .= '<h2>' . esc_html__('Congratulations', 'mnmlwp') . '</h2>';
    $welcome .= '<p>' . sprintf( esc_html__('You successfully installed the mnmlWP WordPress Theme. Please update your theme settings in the %1$s.', 'mnmlwp'), '<a href="' . esc_html( admin_url( 'customize.php' ) ) . '">Customizer</a>' ) . '</p>';
    $welcome .= '<p>' . esc_html__('Enjoy your mnmlWP site!', 'mnmlwp') . '</p>';
    $welcome .= '</div>';

    echo $welcome;
}

add_action( 'after_switch_theme', 'mnmlwp_admin_welcome_message' );

/** Add Colorpicker Field to "Add New Category" Form **/

// Thank you, Howdy_McGee!
// http://wordpress.stackexchange.com/questions/112866/adding-colorpicker-field-to-category

function mnmlwp_add_category_form_custom_fields( $taxonomy )
{
    echo '<div class="form-field">
        <label for="category_custom_color">' . esc_attr__('Color', 'mnmlwp') . '</label>
        <input name="cat_meta[color]" class="colorpicker" type="text" value="" />
        <p class="description">' . esc_attr__('Pick a Category Color', 'mnmlwp') . '</p>
    </div>';
}

add_action('category_add_form_fields', 'mnmlwp_add_category_form_custom_fields', 30 );

/**
 * Add Category Meta Fields
 */
function mnmlwp_add_category_meta_fields( $tag )
{
    $term_id = $tag->term_id;
    $cat_meta = get_option( "category_$term_id" );
    $color = isset( $cat_meta['color'] ) ? $cat_meta['color'] : '#0073aa';

    echo '<tr class="form-field">
        <th scope="row" valign="top"><label for="meta-color">' . esc_attr__('Category Color', 'mnmlwp') . '</label></th>
        <td>
            <div id="colorpicker">
                <input type="text" name="cat_meta[color]" class="colorpicker" size="3" style="width:79px" value="' . $color . '" />
            </div>
                <br />
            <span class="description"></span><br />
            </td>
    </tr>';
}

add_action('edit_category_form_fields', 'mnmlwp_add_category_meta_fields');

/**
 * Save Category Meta Fields
 */
function mnmlwp_save_category_meta_fields( $term_id )
{
    if ( isset( $_POST['cat_meta'] ) )
    {
        $term_id = $term_id;
        $cat_meta = get_option( "category_$term_id");
        $cat_keys = array_keys($_POST['cat_meta']);

        foreach ($cat_keys as $key) {
            if (isset($_POST['cat_meta'][$key])) {
                $cat_meta[$key] = sanitize_hex_color( $_POST['cat_meta'][$key] );
            }
        }

        update_option( "category_$term_id", $cat_meta );
    }
}

add_action('edited_category', 'mnmlwp_save_category_meta_fields');
add_action('created_category', 'mnmlwp_save_category_meta_fields', 11, 1);

/**
 * Meta Boxes for Posts/Pages
 */
function mnmlwp_add_meta_boxes()
{
    global $post;

    $screens = get_post_types();

    foreach ( $screens as $screen )
    {
        // Add Hide Page Title Option
        add_meta_box(
            'mnmlwp-hide-page-title',
            esc_html__( 'Hide Page Title?', 'mnmlwp' ),
            'mnmlwp_add_meta_boxes_hide_page_title_callback',
            $screen,
            'side',
            'low'
        );
        
        // Add Show Sidebar Option
        add_meta_box(
            'mnmlwp-show-sidebar',
            esc_html__( 'Show Sidebar?', 'mnmlwp' ),
            'mnmlwp_add_meta_boxes_show_sidebar_callback',
            $screen,
            'side',
            'low'
        );

        // Hide Breadcrumbs
        if( get_theme_mod( 'mnmlwp_has_breadcrumbs', true ) ) {
            add_meta_box(
                'mnmlwp-hide-breadcrumbs',
                esc_html__( 'Hide Breadcrumbs?', 'mnmlwp' ),
                'mnmlwp_add_meta_boxes_hide_breadcrumb_callback',
                $screen
            );
        }

        // Hide Contact Row
        if( get_theme_mod( 'mnmlwp_show_contact_row', false ) ) {
            add_meta_box(
                'mnmlwp-hide-contact-row',
                esc_html__( 'Hide Contact Row?', 'mnmlwp' ),
                'mnmlwp_add_meta_boxes_hide_contact_row_callback',
                $screen
            );
        }

        // Hero Title
        $template = get_post_meta( $post->ID, '_wp_page_template', true );

        if( 'template-page-hero.php' === $template || 'template-post-hero.php' === $template ) {
            add_meta_box(
                'mnmlwp-hero-image',
                esc_html__( 'Hero Section', 'mnmlwp' ),
                'mnmlwp_add_meta_boxes_hero_image_callback',
                $screen
            );
        }
    }
}

add_action( 'add_meta_boxes', 'mnmlwp_add_meta_boxes' );

function mnmlwp_add_meta_boxes_show_sidebar_callback( $post )
{
    wp_nonce_field( 'mnmlwp_add_meta_boxes_nonce', 'mnmlwp_add_meta_boxes_nonce' );

    $mnmlwp_show_sidebar = get_post_meta( $post->ID, '_mnmlwp_show_sidebar', true );
    $checked = $mnmlwp_show_sidebar == 1 ? 'checked' : '';

    echo '<input type="checkbox" id="mnmlwp-show-sidebar" name="mnmlwp-show-sidebar" value="1" ' . $checked . '>&nbsp;' . esc_html__('Yes, show the sidebar.', 'mnmlwp');
}

function mnmlwp_add_meta_boxes_hide_page_title_callback( $post )
{
    $mnmlwp_hide_page_title = get_post_meta( $post->ID, '_mnmlwp_hide_page_title', true );
    $checked = $mnmlwp_hide_page_title == 1 ? 'checked' : '';

    echo '<input type="checkbox" id="mnmlwp-hide-page-title" name="mnmlwp-hide-page-title" value="1" ' . $checked . '>&nbsp;' . esc_html__('Yes, hide the page title.', 'mnmlwp');
}

function mnmlwp_add_meta_boxes_hide_breadcrumb_callback( $post )
{
    $theme_has_breadcrumbs = get_theme_mod( 'mnmlwp_has_breadcrumbs', true );
    $mnmlwp_hide_breadcrumbs = get_post_meta( $post->ID, '_mnmlwp_hide_breadcrumbs', true );
    $checked = $mnmlwp_hide_breadcrumbs == 1 ? 'checked' : '';
    $disabled = $theme_has_breadcrumbs ? '' : 'disabled="disabled"';

    echo '<input type="checkbox" id="mnmlwp-hide-breadcrumbs" name="mnmlwp-hide-breadcrumbs" value="1" ' . $disabled . ' ' . $checked . '>&nbsp;' . esc_html__('Check to hide the breadcrumb navigation on this page.', 'mnmlwp');

    if( ! $theme_has_breadcrumbs ) {
        echo '<p><strong>' . esc_html__('Attention', 'mnmlwp') . '</strong>:' . esc_html__('The breadcrumb navigation is globally disabled in the theme customization options.', 'mnmlwp') . '</p>';
    }
}

function mnmlwp_add_meta_boxes_hide_contact_row_callback( $post )
{
    $theme_has_contact_row = get_theme_mod( 'mnmlwp_has_contact_row', true );
    $mnmlwp_hide_contact_row = get_post_meta( $post->ID, '_mnmlwp_hide_contact_row', true );
    $checked = $mnmlwp_hide_contact_row == 1 ? 'checked' : '';
    $disabled = $theme_has_contact_row ? '' : 'disabled="disabled"';

    echo '<input type="checkbox" id="mnmlwp-hide-contact-row" name="mnmlwp-hide-contact-row" value="1" ' . $disabled . ' ' . $checked . '>&nbsp;' . esc_html__('Check to hide the contact row on this page.', 'mnmlwp');

    if( ! $theme_has_contact_row ) {
        echo '<p><strong>' . esc_html__('Attention', 'mnmlwp') . '</strong>:' . esc_html__('The contact row is globally disabled in the theme customization options.', 'mnmlwp') . '</p>';
    }
}

function mnmlwp_add_meta_boxes_hero_image_callback( $post )
{
    $hero_title = get_post_meta( $post->ID, '_mnmlwp_hero_title', true );
    $has_overlay = get_post_meta( $post->ID, '_mnmlwp_hero_has_overlay', true );
    $has_overlay_checked = $has_overlay == 1 ? 'checked' : '';
    $hero_overlay_color = get_post_meta( $post->ID, '_mnmlwp_hero_overlay_color', true );
    $hero_overlay_opacity = get_post_meta( $post->ID, '_mnmlwp_hero_overlay_opacity', true ) ? get_post_meta( $post->ID, '_mnmlwp_hero_overlay_opacity', true ) : '30';
    $has_radial_gradient = get_post_meta( $post->ID, '_mnmlwp_hero_has_radial_gradient', true );
    $has_radial_gradient_checked = $has_radial_gradient == 1 ? 'checked' : '';
    $has_skew = get_post_meta( $post->ID, '_mnmlwp_hero_has_skew', true );
    $has_skew_checked = $has_skew == 1 ? 'checked' : '';
    $background_position_horizontal = get_post_meta( $post->ID, '_mnmlwp_hero_background_position_horizontal', true ) ? get_post_meta( $post->ID, '_mnmlwp_hero_background_position_horizontal', true ) : 'center';
    $background_position_vertical = get_post_meta( $post->ID, '_mnmlwp_hero_background_position_vertical', true ) ? get_post_meta( $post->ID, '_mnmlwp_hero_background_position_vertical', true ) : 'center';
    $has_background_attachment_fixed = get_post_meta( $post->ID, '_mnmlwp_hero_background_attachment_fixed', true );
    $has_background_attachment_fixed_checked = $has_background_attachment_fixed == 1 ? 'checked' : '';
    
    echo '<label for="mnmlwp-hero-title"><b>' . esc_html__('Text (HTML allowed)', 'mnmlwp') . '</b></label><br>';
    echo '<textarea style="margin-top:.75em" class="mnmlwp-input" id="mnmlwp-hero-title" name="mnmlwp-hero-title">' . $hero_title . '</textarea>';

    echo '<br><input type="checkbox" id="mnmlwp-hero-has-overlay" name="mnmlwp-hero-has-overlay" value="1" ' . $has_overlay_checked . '>&nbsp;<b>' . esc_html__('Display colored overlay?', 'mnmlwp') . '</b>';

    echo '<br><br><input type="text" class="colorpicker" id="mnmlwp-hero-overlay-color" name="mnmlwp-hero-overlay-color" value="' . $hero_overlay_color . '">';

    echo '<br><input type="checkbox" id="mnmlwp-hero-has-radial-gradient" name="mnmlwp-hero-has-radial-gradient" value="1" ' . $has_radial_gradient_checked . '>&nbsp;<b>' . esc_html__('Radial gradient?', 'mnmlwp') . '</b>';

    echo '<br><br><label for="mnmlwp-hero-overlay-opacity"><b>' . esc_html__('Overlay Opacity in percent (0-100%)', 'mnmlwp') . '</b></label>';
    echo '<br><input style="margin-top:.75em" type="number" step="1" min="0" max="100" id="mnmlwp-hero-overlay-opacity" name="mnmlwp-hero-overlay-opacity" value="' . $hero_overlay_opacity . '">';

    echo '<br><br><input type="checkbox" id="mnmlwp-hero-has-skew" name="mnmlwp-hero-has-skew" value="1" ' . $has_skew_checked . '>&nbsp;<b>' . esc_html__('Skew Overlay?', 'mnmlwp') . '</b>';

    echo '<br><br><label for="mnmlwp-hero-background-position-horizontal"><b>' . esc_html__('Background position (horizontal)', 'mnmlwp') . '</b></label><br>';
    echo '<select style="margin-top:.75em" id="mnmlwp-hero-background-position-horizontal" name="mnmlwp-hero-background-position-horizontal" />';

        foreach( array(
            'center' => 'Center (default)',
            'top' => 'Top',
            'bottom' => 'Bottom'
        ) as $key => $val ) {
            ?><option value="<?php echo $key; ?>"<?php
                if( $key === $background_position_horizontal ) echo ' selected="selected"';
            ?>><?php echo $val; ?></option><?php
        }

    echo '</select>';

    echo '<br><br><label for="mnmlwp-hero-background-position-vertical"><b>' . esc_html__('Background position (vertical)', 'mnmlwp') . '</b></label><br>';
    echo '<select style="margin-top:.75em" id="mnmlwp-hero-background-position-vertical" name="mnmlwp-hero-background-position-vertical" />';

        foreach( array(
            'center' => 'Center (default)',
            'left' => 'Left',
            'right' => 'Right'
        ) as $key => $val ) {
            ?><option value="<?php echo $key; ?>"<?php
                if( $key === $background_position_vertical ) echo ' selected="selected"';
            ?>><?php echo $val; ?></option><?php
        }

    echo '</select>';
    
    echo '<br><br><input type="checkbox" id="mnmlwp-hero-background-attachment-fixed" name="mnmlwp-hero-background-attachment-fixed" value="1" ' . $has_background_attachment_fixed_checked . '>&nbsp;<b>' . esc_html__('Fixed Background Position?', 'mnmlwp') . '</b>';
    echo '</p><p><b>' . esc_html__('Attention', 'mnmlwp'). '!</b> ' . esc_html__('The fixed background setting overwrites the selected background position values. It is also not recommended to use the background overlay together with a fixed background, since the re-rendering of a transparent element might result in in jerky scrolling. The fixed background setting only takes effect with screen sizes >= 768px.', 'mnmlwp') . '</p>';
}

/**
 * When the post is saved, saves our custom data.
 *
 * @param int $post_id
 */
function mnmlwp_add_meta_boxes_save( $post_id )
{
    if ( ! isset( $_POST['mnmlwp_add_meta_boxes_nonce'] ) )
        return;

    if ( ! wp_verify_nonce( $_POST['mnmlwp_add_meta_boxes_nonce'], 'mnmlwp_add_meta_boxes_nonce' ) )
        return;

    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
        return;

    if ( isset( $_POST['post_type'] ) && 'page' == $_POST['post_type'] ) {
        if ( ! current_user_can( 'edit_page', $post_id ) ) {
            return;
        }
    } else {
        if ( ! current_user_can( 'edit_post', $post_id ) ) {
            return;
        }
    }

    // Sanitize user input.
    $data['mnmlwp-show-sidebar'] = ! isset( $_POST['mnmlwp-show-sidebar'] ) ? 0 : 1;
    $data['mnmlwp-hide-page-title'] = ! isset( $_POST['mnmlwp-hide-page-title'] ) ? 0 : 1;
    $data['mnmlwp-hide-breadcrumbs'] = ! isset( $_POST['mnmlwp-hide-breadcrumbs'] ) ? 0 : 1;
    $data['mnmlwp-hide-contact-row'] = ! isset( $_POST['mnmlwp-hide-contact-row'] ) ? 0 : 1;
    $data['mnmlwp-hero-title'] = wp_kses_post( $_POST['mnmlwp-hero-title'] );
    $data['mnmlwp-hero-has-overlay'] = ! isset( $_POST['mnmlwp-hero-has-overlay'] ) ? 0 : 1;
    $data['mnmlwp-hero-overlay-color'] = sanitize_text_field( $_POST['mnmlwp-hero-overlay-color'] );
    $data['mnmlwp-hero-has-radial-gradient'] = ! isset( $_POST['mnmlwp-hero-has-radial-gradient'] ) ? 0 : 1;
    $data['mnmlwp-hero-overlay-opacity'] = (int)sanitize_text_field( $_POST['mnmlwp-hero-overlay-opacity'] );

    if( $data['mnmlwp-hero-overlay-opacity'] > 100 ) {
        $data['mnmlwp-hero-overlay-opacity'] = 100;
    }

    if( $data['mnmlwp-hero-overlay-opacity'] < 0 ) {
        $data['mnmlwp-hero-overlay-opacity'] = 0;
    }

    $data['mnmlwp-hero-has-skew'] = ! isset( $_POST['mnmlwp-hero-has-skew'] ) ? 0 : 1;
    $data['mnmlwp-hero-background-position-horizontal'] = sanitize_text_field( $_POST['mnmlwp-hero-background-position-horizontal'] );
    $data['mnmlwp-hero-background-position-vertical'] = sanitize_text_field( $_POST['mnmlwp-hero-background-position-vertical'] );
    $data['mnmlwp-hero-background-attachment-fixed'] = ! isset( $_POST['mnmlwp-hero-background-attachment-fixed'] ) ? 0 : 1;

    update_post_meta( $post_id, '_mnmlwp_show_sidebar', $data['mnmlwp-show-sidebar'] );
    update_post_meta( $post_id, '_mnmlwp_hide_page_title', $data['mnmlwp-hide-page-title'] );
    update_post_meta( $post_id, '_mnmlwp_hide_breadcrumbs', $data['mnmlwp-hide-breadcrumbs'] );
    update_post_meta( $post_id, '_mnmlwp_hide_contact_row', $data['mnmlwp-hide-contact-row'] );
    update_post_meta( $post_id, '_mnmlwp_hero_title', $data['mnmlwp-hero-title'] );
    update_post_meta( $post_id, '_mnmlwp_hero_has_overlay', $data['mnmlwp-hero-has-overlay'] );
    update_post_meta( $post_id, '_mnmlwp_hero_overlay_color', $data['mnmlwp-hero-overlay-color'] );
    update_post_meta( $post_id, '_mnmlwp_hero_has_radial_gradient', $data['mnmlwp-hero-has-radial-gradient'] );
    update_post_meta( $post_id, '_mnmlwp_hero_overlay_opacity', $data['mnmlwp-hero-overlay-opacity'] );
    update_post_meta( $post_id, '_mnmlwp_hero_has_skew', $data['mnmlwp-hero-has-skew'] );
    update_post_meta( $post_id, '_mnmlwp_hero_background_position_horizontal', $data['mnmlwp-hero-background-position-horizontal'] );
    update_post_meta( $post_id, '_mnmlwp_hero_background_position_vertical', $data['mnmlwp-hero-background-position-vertical'] );
    update_post_meta( $post_id, '_mnmlwp_hero_background_attachment_fixed', $data['mnmlwp-hero-background-attachment-fixed'] );
}

add_action( 'save_post', 'mnmlwp_add_meta_boxes_save' );

// Lists add mnmlWP class
function mnmlwp_add_list_class_on_insert( $postarr )
{
    $postarr['post_content'] = str_replace('<ul>', '<ul class="mnmlwp-list">', $postarr['post_content'] );
    $postarr['post_content'] = str_replace('<ol>', '<ol class="mnmlwp-list">', $postarr['post_content'] );
    
    return $postarr;
}

add_filter('wp_insert_post_data', 'mnmlwp_add_list_class_on_insert');