functions.php

<?php

function toastmasterspl_setup() {
    add_theme_support( 'title-tag' );

    add_theme_support( 'custom-logo', array(
        'height' => 100,
        'width' => 100,
        'flex-height' => false,
        'flex-width' => true,
    ) );

    add_theme_support( 'post-thumbnails' );
    set_post_thumbnail_size( 1000, 9999 );

    register_nav_menus( array(
        'page-navigation'  => __( 'Primary Page Navigation Menu', 'toastmasterspl' ),
        'organization-breadcrumb'  => __( 'Organization Breadcrumb Menu', 'toastmasterspl' ),
        'social-links'  => __( 'Social Links Menu', 'toastmasterspl' ),
    ) );

    add_editor_style( array( 'css/editor-style.css' ) );
}
add_action( 'after_setup_theme', 'toastmasterspl_setup' );

function toastmasterspl_scripts() {
    wp_enqueue_style(
        'toastmasterspl-fontawesome',
        'https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css',
        array(),
        null
        );

    wp_enqueue_style(
        'toastmasterspl-roboto',
        'https://fonts.googleapis.com/css?family=Roboto:400,400italic,700,700italic&amp;subset=latin,latin-ext',
        array(),
        null
        );

    wp_enqueue_style( 'toastmasterspl-style', get_stylesheet_uri() );
}
add_action( 'wp_enqueue_scripts', 'toastmasterspl_scripts' );

function toastmasterspl_widgets_init() {
    require get_template_directory() . '/inc/Toastmasterspl_Fact_Widget.php';
    register_widget( 'Toastmasterspl_Fact_Widget' );

    register_sidebar( array(
        'name'          => __( 'Sidebar', 'toastmasterspl' ),
        'id'            => 'sidebar-page-content',
        'description'   => __( 'Add widgets here to appear in the right-hand column.', 'toastmasterspl' ),
        'before_widget' => '<aside id="%1$s" class="page-content__widget sidebar-widget %2$s">',
        'after_widget'  => '</aside>',
        'before_title'  => '<h2 class="sidebar-widget__title">',
        'after_title'   => '</h2>',
    ) );
}
add_action( 'widgets_init', 'toastmasterspl_widgets_init' );

function toastmasterspl_customize_register( $wp_customize ) {
    $wp_customize->add_section( 'toastmasterspl_options', array(
        'title' => __( 'Toastmasters.pl Options', 'toastmasterspl' ),
        'capability'  => 'edit_theme_options',
    ) );

    $wp_customize->add_setting( 'copyright_text', array(
        'default' => '',
        'type' => 'theme_mod',
    ) );

    $wp_customize->add_control( 'copyright_text_entry', array(
        'settings' => 'copyright_text',
        'section' => 'toastmasterspl_options',
        'label' => __( 'Copyright Text:', 'toastmasterspl' ),
        'description' => __( 'Shows up in the footer. HTML is allowed.', 'toastmasterspl'),
        'type' => 'textarea',
    ) );
}
add_action( 'customize_register', 'toastmasterspl_customize_register' );

function toastmasterspl_the_custom_logo( $class = 'custom-logo' ) {
    $html = '';

    $custom_logo_id = get_theme_mod( 'custom_logo' );

    // We have a logo. Logo is go.
    if ( $custom_logo_id ) {
        $html = wp_get_attachment_image( $custom_logo_id, 'full', false, array(
                'class'    => $class,
                'itemprop' => 'logo',
            )
        );
    }

    echo $html;
}

/**
 * Allows for getting the excerpt outside of The Loop.
 */
function toastmasterspl_get_excerpt( $post_id = 0, $length = 35 ) {
    $post = get_post( $post_id );
    $the_excerpt = $post->post_content;
    $the_excerpt = strip_tags( strip_shortcodes( $the_excerpt ) );
    $words = explode( ' ', $the_excerpt, $length + 1 );
    if ( count( $words ) > $length ) {
        array_pop( $words );
        array_push( $words, '...' );
        $the_excerpt = implode( ' ', $words );
    }
    return htmlspecialchars( $the_excerpt );
}

require get_template_directory() . '/inc/Customizable_Walker_Nav_Menu.php';
require get_template_directory() . '/inc/Social_Walker_Nav_Menu.php';