functions.php

<?php
/**
 * _s functions and definitions
 *
 * @package unite
 */

/**
 * Set the content width based on the theme's design and stylesheet.
 */
if ( ! isset( $content_width ) ) {
	$content_width = 730; /* pixels */
}

/**
 * Set the content width for full width pages with no sidebar.
 */
function unite_content_width() {
  if ( is_page_template( 'page-fullwidth.php' ) || is_page_template( 'front-page.php' ) ) {
    global $content_width;
    $content_width = 1110; /* pixels */
  }
}
add_action( 'template_redirect', 'unite_content_width' );


if ( ! function_exists( 'unite_setup' ) ) :
/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which
 * runs before the init hook. The init hook is too late for some features, such
 * as indicating support for post thumbnails.
 */
function unite_setup() {

	/*
	 * Make theme available for translation.
	 * Translations can be filed in the /languages/ directory.
	 * If you're building a theme based on _s, use a find and replace
	 * to change 'unite' to the name of your theme in all the template files
	 */
	load_theme_textdomain( 'unite', get_template_directory() . '/languages' );

	// Add default posts and comments RSS feed links to head.
	add_theme_support( 'automatic-feed-links' );

	/*
	 * Enable support for Post Thumbnails on posts and pages.
	 *
	 * @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
	 */
	add_theme_support( 'post-thumbnails' );

	add_image_size( 'unite-featured', 730, 410, true );
	add_image_size( 'unite-tab-small', 60, 60 , true); // Small Thumbnail

	// This theme uses wp_nav_menu() in one location.
	register_nav_menus( array(
		'primary' => __( 'Primary Menu', 'unite' ),
		'footer-links' => __( 'Footer Links', 'unite' ) // secondary nav in footer
	) );

	// Enable support for Post Formats.
	add_theme_support( 'post-formats', array( 'aside', 'image', 'video', 'quote', 'link' ) );

	// Setup the WordPress core custom background feature.
	add_theme_support( 'custom-background', apply_filters( 'unite_custom_background_args', array(
		'default-color' => 'ffffff',
		'default-image' => '',
	) ) );

	// Add WooCommerce support
	add_theme_support( 'woocommerce' );

	/*
	 * Let WordPress manage the document title.
	 * By adding theme support, we declare that this theme does not use a
	 * hard-coded <title> tag in the document head, and expect WordPress to
	 * provide it for us.
	 */
	add_theme_support( 'title-tag' );

}
endif; // unite_setup
add_action( 'after_setup_theme', 'unite_setup' );


if ( ! function_exists( 'unite_widgets_init' ) ) :
/**
 * Register widgetized area and update sidebar with default widgets.
 */
function unite_widgets_init() {
	register_sidebar( array(
		'name'          => esc_html__( 'Sidebar', 'unite' ),
		'id'            => 'sidebar-1',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  => '</aside>',
		'before_title'  => '<h3 class="widget-title">',
		'after_title'   => '</h3>',
	) );
	register_sidebar(array(
		'id'            => 'home1',
		'name'          => esc_html__( 'Homepage Widget 1', 'unite' ),
		'description'   => esc_html__('Used only on the homepage page template.','unite'),
		'before_widget' => '<div id="%1$s" class="widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h3 class="widgettitle">',
		'after_title'   => '</h3>',
    ));

    register_sidebar(array(
		'id'            => 'home2',
		'name'          => esc_html__( 'Homepage Widget 2', 'unite' ),
		'description'   => esc_html__('Used only on the homepage page template.','unite'),
		'before_widget' => '<div id="%1$s" class="widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h3 class="widgettitle">',
		'after_title'   => '</h3>',
    ));

    register_sidebar(array(
		'id'            => 'home3',
		'name'          => esc_html__( 'Homepage Widget 3', 'unite' ),
		'description'   => esc_html__('Used only on the homepage page template.','unite'),
		'before_widget' => '<div id="%1$s" class="widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h3 class="widgettitle">',
		'after_title'   => '</h3>',
    ));

    register_widget( 'unite_popular_posts_widget' );
    register_widget( 'unite_social_widget' );
}
endif;
add_action( 'widgets_init', 'unite_widgets_init' );

/**
 * Include widgets for Unite theme
 */
include(get_template_directory() . "/inc/widgets/popular-posts-widget.php");
include(get_template_directory() . "/inc/widgets/widget-social.php");

/**
 * Include Metabox for Unite theme
 */
include(get_template_directory() . "/inc/metaboxes.php");



if ( ! function_exists( 'unite_scripts' ) ) :
/**
 * Enqueue scripts and styles.
 */
function unite_scripts() {

	wp_enqueue_style( 'bootstrap', get_template_directory_uri() . '/inc/css/bootstrap.min.css', array(), '3.4.1' );

	$fa_uri = get_template_directory_uri() . '/inc/css/fontawesome/';
	/*
	 * Font Awesome 7, self-hosted, woff2 only and with no v4 or v5 shim: the
	 * theme's own markup uses native Font Awesome 7 names. The bundled build is
	 * subsetted to the glyphs this theme renders, a few kilobytes rather than a
	 * few hundred. A site that uses Font Awesome classes in its own content -- a
	 * widget, a page builder, a child theme -- can load the complete set:
	 *
	 *     add_filter( 'unite_full_fontawesome', '__return_true' );
	 */
	if ( apply_filters( 'unite_full_fontawesome', false ) ) {
		wp_enqueue_style( 'unite-icons', $fa_uri . 'fontawesome.min.css', array(), '7.3.1' );
		wp_enqueue_style( 'unite-icons-solid', $fa_uri . 'solid.min.css', array( 'unite-icons' ), '7.3.1' );
		wp_enqueue_style( 'unite-icons-regular', $fa_uri . 'regular.min.css', array( 'unite-icons' ), '7.3.1' );
		wp_enqueue_style( 'unite-icons-brands', $fa_uri . 'brands.min.css', array( 'unite-icons' ), '7.3.1' );
	} else {
		wp_enqueue_style( 'unite-icons', $fa_uri . 'subset/fontawesome-subset.min.css', array(), '7.3.1' );
	}

	wp_enqueue_style( 'unite-style', get_stylesheet_uri() );

	wp_enqueue_script( 'bootstrap', get_template_directory_uri() . '/inc/js/bootstrap.min.js', array( 'jquery' ), '3.4.1', true );

	wp_enqueue_script( 'unite-functions', get_template_directory_uri() . '/inc/js/main.min.js', array('jquery') );

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

}
endif;
add_action( 'wp_enqueue_scripts', 'unite_scripts' );

require get_template_directory() . '/inc/class-unite-helper.php';

/**
 * Implement the Custom Header feature.
 */
require get_template_directory() . '/inc/custom-header.php';

/**
 * Custom template tags for this theme.
 */
require get_template_directory() . '/inc/template-tags.php';

/**
 * Custom functions that act independently of the theme templates.
 */
require get_template_directory() . '/inc/extras.php';

/**
 * Customizer additions.
 */
require get_template_directory() . '/inc/customizer.php';

/**
 * Load Jetpack compatibility file.
 */
require get_template_directory() . '/inc/jetpack.php';

/**
 * Load custom nav walker
 */

require get_template_directory() . '/inc/navwalker.php';

/**
 * Load social nav
 */
require get_template_directory() . '/inc/socialnav.php';

/**
 * Helper function to return the theme option value.
 * If no value has been saved, it returns $default.
 * Needed because options are saved as serialized strings.
 *
 * Not in a class to support backwards compatibility in themes.
 */
if ( ! function_exists( 'unite_get_option' ) ) :
function unite_get_option( $name, $default = false ) {

  $option_name = '';
  // Get option settings from database
  $options = get_option( 'unite' );

  // Return specific option
  if ( isset( $options[$name] ) ) {
    return $options[$name];
  }

  return $default;
}
endif;