themes-wordpress/button-2/functions.php

<?php
/**
 * button functions and definitions
 *
 * @package Button 2
 */

if ( ! function_exists( 'button_2_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 button_2_setup() {
		/*
		 * Make theme available for translation.
		 * Translations can be filed in the /languages/ directory.
		 * If you're building a theme based on button, use a find and replace
		 * to change 'button-2' to the name of your theme in all the template files
		 */
		load_theme_textdomain( 'button-2', get_template_directory() . '/languages' );

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

		/*
		 * 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' );

		/*
		 * 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( 'button-2-featured', '982', '9999' );

		// This theme uses wp_nav_menu() in two locations.
		register_nav_menus(
			array(
				'menu-1' => esc_html__( 'Header', 'button-2' ),
			)
		);

		/*
		 * Switch default core markup for search form, comment form, and comments
		 * to output valid HTML5.
		 */
		add_theme_support(
			'html5',
			array(
				'search-form',
				'comment-form',
				'comment-list',
				'gallery',
				'caption',
			)
		);

		// Enable support for custom logo.
		add_theme_support(
			'custom-logo',
			array(
				'height'      => 300,
				'width'       => 1200,
				'flex-height' => true,
				'flex-width'  => true,
			)
		);

		// Add theme support for selective refresh for widgets.
		add_theme_support( 'customize-selective-refresh-widgets' );

		// Set up the WordPress core custom background feature.
		add_theme_support(
			'custom-background',
			apply_filters(
				'button_2_custom_background_args',
				array(
					'default-color' => 'f8f8f8',

					/*
					* We're using a unique filename for the background image
					* to avoid users uploading a file with the same filename
					* and avoiding conflict with the `user-background` body_class
					* in inc/extras.php and assets/js/customizer.js
					*/

					'default-image' => esc_url( get_template_directory_uri() ) . '/img/buttonbg20170303.png',
				)
			)
		);

		// Add support for wide images in Gutenberg
		add_theme_support( 'align-wide' );

		// Add support for responsive embeds.
		add_theme_support( 'responsive-embeds' );
	}
endif; // button_2_setup
add_action( 'after_setup_theme', 'button_2_setup' );

/**
 * Set the content width in pixels, based on the theme's design and stylesheet.
 *
 * Priority 0 to make it available to lower priority callbacks.
 *
 * @global int $content_width
 */
function button_2_content_width() {
	$GLOBALS['content_width'] = apply_filters( 'button_2_content_width', 663 );
}
add_action( 'after_setup_theme', 'button_2_content_width', 0 );

/**
 * Adjust content width for full-width page template
 */
function button_2_adjusted_content_width() {
	global $content_width;

	if ( is_page_template( 'templates/full-width-page.php' ) || ! is_active_sidebar( 'sidebar-1' ) ) {
		$content_width = 982;
	}
}
add_action( 'template_redirect', 'button_2_adjusted_content_width', 0 );

/**
 * Register widget area.
 *
 * @link http://codex.wordpress.org/Function_Reference/register_sidebar
 */
function button_2_widgets_init() {
	register_sidebar(
		array(
			'name'          => esc_html__( 'Sidebar', 'button-2' ),
			'id'            => 'sidebar-1',
			'description'   => '',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h1 class="widget-title">',
			'after_title'   => '</h1>',
		)
	);
	register_sidebar(
		array(
			'name'          => esc_html__( 'Footer 1', 'button-2' ),
			'id'            => 'sidebar-2',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h1 class="widget-title">',
			'after_title'   => '</h1>',
		)
	);
	register_sidebar(
		array(
			'name'          => esc_html__( 'Footer 2', 'button-2' ),
			'id'            => 'sidebar-3',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h1 class="widget-title">',
			'after_title'   => '</h1>',
		)
	);
	register_sidebar(
		array(
			'name'          => esc_html__( 'Footer 3', 'button-2' ),
			'id'            => 'sidebar-4',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h1 class="widget-title">',
			'after_title'   => '</h1>',
		)
	);
}
add_action( 'widgets_init', 'button_2_widgets_init' );

/**
 * Enqueue scripts and styles.
 */
function button_2_scripts() {
	wp_enqueue_style( 'button-2-style', get_stylesheet_uri() );

	wp_enqueue_style( 'button-2-fonts', button_2_fonts_url(), array(), null );

	wp_enqueue_style( 'button-2-blocks', get_template_directory_uri() . '/blocks.css' );

	wp_enqueue_script( 'button-2-scripts', get_template_directory_uri() . '/assets/js/main.js', array( 'jquery' ), '20211207', true );

	wp_enqueue_script( 'button-2-navigation', get_template_directory_uri() . '/assets/js/navigation.js', array(), '20151215', true );

	wp_enqueue_script( 'button-2-skip-link-focus-fix', get_template_directory_uri() . '/assets/js/skip-link-focus-fix.js', array(), '20151215', true );

	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}
}
add_action( 'wp_enqueue_scripts', 'button_2_scripts' );

/**
 * Register Google Fonts
 */
function button_2_fonts_url() {
	$fonts_url = '';

	/* Translators: If there are characters in your language that are not
	 * supported by Lato, translate this to 'off'. Do not translate
	 * into your own language.
	 */
	$lato = esc_html_x( 'on', 'Lato font: on or off', 'button-2' );

	/* Translators: If there are characters in your language that are not
	 * supported by Lora, translate this to 'off'. Do not translate
	 * into your own language.
	 */
	$lora = esc_html_x( 'on', 'Lora font: on or off', 'button-2' );

	if ( 'off' !== $lato || 'off' !== $lora ) {
		$font_families = array();

		if ( 'off' !== $lato ) {
			$font_families[] = 'Lato:400,300,300italic,400italic,700,700italic';
		}

		if ( 'off' !== $lora ) {
			$font_families[] = 'Lora:400italic,700italic';
		}

		/**
		 * A filter to enable child themes to add/change/omit font families.
		 * 
		 * @param array $font_families An array of font families to be imploded for the Google Font API
		 */
		$font_families = apply_filters( 'included_google_font_families', $font_families );

		$query_args = array(
			'family' => urlencode( implode( '|', $font_families ) ),
			'subset' => urlencode( 'latin,latin-ext' ),
		);

		$fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
	}

	return $fonts_url;

}

/**
 * Gutenberg Editor Styles
 */
function button_2_editor_styles() {
	// Load fonts.
	wp_enqueue_style( 'button-2-fonts', button_2_fonts_url() );

	// Load block editor styles.
	wp_enqueue_style( 'button-2-editor-block-style', get_template_directory_uri() . '/editor-blocks.css' );

	// Load option for 'Fancy' image class.
	wp_enqueue_script( 'button-2-block-customization', get_template_directory_uri() . '/assets/js/block-variations.js', array( 'wp-blocks' ), '20181211', true );
}
add_action( 'enqueue_block_editor_assets', 'button_2_editor_styles' );

/**
 * 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 WooCommerce compatibility file.
 */
if ( class_exists( 'WooCommerce' ) ) {
	require get_template_directory() . '/inc/woocommerce.php';
}