functions.php

<?php

if (!isset($content_width)) $content_width = 800;

remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('wp_print_styles', 'print_emoji_styles');

define('CONCATENATE_SCRIPTS', false);

add_filter('manage_posts_columns', 'phaziz_add_id_column', 5);

add_action('manage_posts_custom_column', 'phaziz_id_column_content', 5, 2);

add_theme_support('automatic-feed-links');
add_theme_support('post-thumbnails');
add_theme_support('post-excerpts');
add_theme_support('html5', array(
    'comment-list',
    'comment-form',
    'search-form',
    'gallery',
    'caption'
));

add_theme_support('title-tag');

if (is_singular() && comments_open() && get_option('thread_comments'))
{
    wp_enqueue_script('comment-reply');
}

function phaziz_add_id_column($columns)
{
    $columns['phaziz_id'] = 'ID';

    return $columns;
}

function phaziz_id_column_content($column, $id)
{
    if ('phaziz_id' == $column)
    {
        echo $id;
    }
}

function phaziz_commentdofollow($text)
{
    return str_replace('" rel="nofollow">', '">', $text);
}

add_filter('comment_text', 'phaziz_commentdofollow');

remove_filter('pre_comment_content', 'wp_rel_nofollow', 15);

function phaziz_remove_nofollow($string)
{
    return str_ireplace(' nofollow', '', $string);
}

add_filter('get_comment_author_link', 'phaziz_remove_nofollow');

function phaziz_no_self_ping(&$links)
{
    $home = home_url();

    foreach ($links as $l => $link) 
        if (0 === strpos($link, $home)) 
            unset($links[$l]);
}

add_action('pre_ping', 'phaziz_no_self_ping');

function new_excerpt_more($more)
{
    return ' <a class="read-more" href="' . get_permalink(get_the_ID()) . '">' . __('Read More', 'phaziz') . '</a>';
}

add_filter('excerpt_more', 'new_excerpt_more');

add_action('wp_enqueue_scripts', 'phaziz_enqueue_scripts');

function phaziz_enqueue_scripts()
{
    wp_deregister_script('jquery');
    wp_enqueue_style('roboto-mono', 'https://fonts.googleapis.com/css?family=Roboto+Mono:300', array());
    wp_enqueue_style('theme-style', get_template_directory_uri() . '/style.css', array());
    wp_enqueue_script('jquery', 'https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.0/jquery.min.js');
    wp_enqueue_style('justified_gallery_style', get_template_directory_uri() . '/ext/justifiedGallery.min.css', array());
    wp_enqueue_style('swipebox_style', get_template_directory_uri() . '/ext/swipebox/css/swipebox.min.css', array());
    wp_enqueue_script('justified_gallery_script', get_template_directory_uri() . '/ext/jquery.justifiedGallery.min.js');
    wp_enqueue_script('swipebox_script', get_template_directory_uri() . '/ext/swipebox/js/jquery.swipebox.min.js');
    wp_enqueue_script('main-script', get_template_directory_uri() . '/js/main.js');
}

function phaziz_theme_customizer($wp_customize)
{
    $wp_customize->add_section('phaziz_logo_section', array(
        'title' => __('Logo', 'phaziz') ,
        'priority' => 30,
        'description' => 'Upload a logo to replace the default site name and description in the header',
    ));

    $wp_customize->add_setting('phaziz_logo', array(
        'default' => '',
        'sanitize_callback' => 'esc_url_raw',
        'transport' => 'postMessage',

    ));

    $wp_customize->add_control(new WP_Customize_Image_Control($wp_customize, 'phaziz_logo', array(
        'label' => __('Logo', 'phaziz') ,
        'section' => 'phaziz_logo_section',
        'settings' => 'phaziz_logo',
    )));
}

add_action('customize_register', 'phaziz_theme_customizer');

function phaziz_sanitize_hex_color($color)
{
    if ('' === $color) 
        return '';

    if (preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color)) 
        return $color;
}

function phaziz_customize_register($wp_customize)
{
    $colors = [];

    $colors[] = array(
        'slug' => 'background',
        'default' => '#fff',
        'label' => __('Background Color', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'link',
        'default' => '#0000ff',
        'label' => __('Link Color', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'linkhover',
        'default' => '#ff0066',
        'label' => __('Link Hover Color', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'navbar',
        'default' => '#000',
        'label' => __('Navbars BackgroundColor', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'navbarColor',
        'default' => '#fff',
        'label' => __('Navbars TextColor', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'navbarBottom',
        'default' => '#000',
        'label' => __('Bottom Navbars BackgroundColor', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'navbarBottomColor',
        'default' => '#fff',
        'label' => __('Bottom Navbars TextColor', 'phaziz')
    );
    
    $colors[] = array(
        'slug' => 'footerBackgroundColor',
        'default' => '#fff',
        'label' => __('Footer BackgroundColor', 'phaziz')
    );

    foreach ($colors as $color)
    {
        $wp_customize->add_setting($color['slug'], array(
            'default' => $color['default'],
            'type' => 'option',
            'capability' => 'edit_theme_options',
            'sanitize_callback' => 'phaziz_sanitize_hex_color'
        ));

        $wp_customize->add_control(new WP_Customize_Color_Control($wp_customize, $color['slug'], array(
            'label' => $color['label'],
            'section' => 'colors',
            'settings' => $color['slug']
        )));
    }
}

add_action('customize_register', 'phaziz_customize_register');

if (function_exists('register_sidebar'))
{
    register_sidebar(array(
        'name' => 'Footer1',
        'id' => 'footer1',
        'before_widget' => '<div id="%1$s" class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h6 >',
        'after_title' => '</h6>',
    ));
    register_sidebar(array(
        'name' => 'Footer2',
        'id' => 'footer2',
        'before_widget' => '<div id="%1$s" class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h6 >',
        'after_title' => '</h6>',
    ));
    register_sidebar(array(
        'name' => 'Footer3',
        'id' => 'footer3',
        'before_widget' => '<div id="%1$s" class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h6 >',
        'after_title' => '</h6>',
    ));
    register_sidebar(array(
        'name' => 'Footer4',
        'id' => 'footer4',
        'before_widget' => '<div id="%1$s" class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h6 >',
        'after_title' => '</h6>',
    ));
}

function regNav()
{
    register_nav_menus(array(
        'top' => __('Top', 'phaziz') ,
        'bottom' => __('Footer', 'phaziz')
    ));
}

add_action('init', 'regNav');

class CSS_Menu_Maker_Walker extends Walker
{
    var $db_fields = array(
        'parent' => 'menu_item_parent',
        'id' => 'db_id'
    );

    function start_lvl(&$output, $depth = 0, $args = array())
    {
        $indent = str_repeat("\t", $depth);
        $output .= "\n$indent<ul>\n";
    }

    function end_lvl(&$output, $depth = 0, $args = array())
    {
        $indent = str_repeat("\t", $depth);
        $output .= "$indent</ul>\n";
    }

    function start_el(&$output, $item, $depth = 0, $args = array() , $id = 0)
    {
        global $wp_query;

        $indent = ($depth) ? str_repeat("\t", $depth) : '';
        $class_names = $value = '';
        $classes = empty($item->classes) ? array() : (array)$item->classes;

        if (in_array('current-menu-item', $classes))
        {
            $classes[] = 'active';
            unset($classes['current-menu-item']);
        }

        $children = get_posts(array(
            'post_type' => 'nav_menu_item',
            'nopaging' => true,
            'numberposts' => 1,
            'meta_key' => '_menu_item_menu_item_parent',
            'meta_value' => $item->ID
        ));

        if (!empty($children))
        {
            $classes[] = 'has-sub';
        }

        $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes) , $item, $args));
        $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : '';

        $id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args);
        $id = $id ? ' id="' . esc_attr($id) . '"' : '';

        $output .= $indent . '<li' . $id . $value . $class_names . '>';

        $attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
        $attributes .= !empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
        $attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
        $attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';

        $item_output = $args->before;
        $item_output .= '<a' . $attributes . '><span>';
        $item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
        $item_output .= '</span></a>';
        $item_output .= $args->after;

        $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
    }

    function end_el(&$output, $item, $depth = 0, $args = array())
    {
        $output .= "</li>\n";
    }
}

add_action('after_setup_theme', 'phaziz_language_setup');

function phaziz_language_setup()
{
    load_theme_textdomain('phaziz', get_template_directory() . '/languages');
}

add_filter('post_gallery', 'my_post_gallery', 10, 2);

function my_post_gallery($output, $attr)
{
    global $post, $wp_locale;
    static $instance = 0;
    
    $instance++;

    if (isset($attr['orderby']))
    {
        $attr['orderby'] = sanitize_sql_orderby($attr['orderby']);

        if (!$attr['orderby']) 
            unset($attr['orderby']);
    }

    extract(shortcode_atts(array(
        'order' => 'ASC',
        'orderby' => 'menu_order ID',
        'id' => $post->ID,
        'itemtag' => '',
        'icontag' => '',
        'captiontag' => 'dd',
        'columns' => 3,
        'size' => 'medium',
        'include' => '',
        'exclude' => ''
    ) , $attr));

    $id = intval($id);

    if ('RAND' == $order) 
        $orderby = 'none';

    if (!empty($include))
    {
        $include = preg_replace('/[^0-9,]+/', '', $include);
        $_attachments = get_posts(array(
            'include' => $include,
            'post_status' => 'inherit',
            'post_type' => 'attachment',
            'post_mime_type' => 'image',
            'order' => $order,
            'orderby' => $orderby
        ));

        $attachments = array();
        
        foreach ($_attachments as $key => $val)
        {
            $attachments[$val->ID] = $_attachments[$key];
        }
    }
    elseif (!empty($exclude))
    {
        $exclude = preg_replace('/[^0-9,]+/', '', $exclude);
        $attachments = get_children(array(
            'post_parent' => $id,
            'exclude' => $exclude,
            'post_status' => 'inherit',
            'post_type' => 'attachment',
            'post_mime_type' => 'image',
            'order' => $order,
            'orderby' => $orderby
        ));
    }
    else
    {
        $attachments = get_children(array(
            'post_parent' => $id,
            'post_status' => 'inherit',
            'post_type' => 'attachment',
            'post_mime_type' => 'image',
            'order' => $order,
            'orderby' => $orderby
        ));
    }

    if (empty($attachments)) return '';

    if (is_feed())
    {
        $output = "\n";
        foreach ($attachments as $att_id => $attachment) $output .= wp_get_attachment_link($att_id, $size, true) . "\n";
        return $output;
    }

    $itemtag = tag_escape($itemtag);
    $captiontag = tag_escape($captiontag);
    $columns = intval($columns);
    $itemwidth = $columns > 0 ? floor(100 / $columns) : 100;
    $float = is_rtl() ? 'right' : 'left';
    $selector = "gallery-{$instance}";
    $output = apply_filters('gallery_style', "<div id='$selector' class='gallery galleryid-{$id}'>");
    $output = "<div class=\"phaziz_gallery\">\n";
    $i = 0;

    foreach ($attachments as $id => $attachment)
    {
        $link = isset($attr['link']) && 'file' == $attr['link'] ? wp_get_attachment_link($id, $size . ' lazyload', false, false) : wp_get_attachment_link($id, $size . ' lazyload', true, false);
        $output .= "$link";

        if ($captiontag && trim($attachment->post_excerpt))
        {
            $output .= "<{$captiontag} class='gallery-caption'>" . wptexturize($attachment->post_excerpt) . "</{$captiontag}>";
        }

        if ($columns > 0 && ++$i % $columns == 0) $output .= '<br style="clear:both">';
    }

    $output .= "<br style='clear:both'></div>\n";
    
    return $output;
}

add_action('widgets_init', 'phaziz_widgets_init');

function phaziz_widgets_init()
{
    register_sidebar(array(
        'name' => __('Main Sidebar', 'phaziz') ,
        'id' => 'sidebar-1',
        'description' => __('Widgets in this area will be shown on all posts and pages.', 'phaziz') ,
        'before_widget' => '<li id="%1$s" class="widget %2$s">',
        'after_widget' => '</li>',
        'before_title' => '<h2 class="widgettitle">',
        'after_title' => '</h2>',
    ));
}