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functions.php
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functions.php
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<?php
function highstarter_setup() {
// Let WordPress manage the document title.
add_theme_support( 'title-tag' );
// Enable support for Post Thumbnails on posts and pages.
add_theme_support( 'post-thumbnails' );
add_theme_support( 'automatic-feed-links' );
// This theme uses wp_nav_menu() in two locations.
register_nav_menus(
array(
'top' => __( 'Top Menu', 'highstarter' ),
'social' => __( 'Social Links Menu', 'highstarter' ),
)
);
/*
* Switch default core markup for search form, comment form, and comments
* to output valid HTML5.
*/
add_theme_support(
'html5',
array(
'comment-form',
'comment-list',
'gallery',
'caption',
'search-form'
)
);
// Add theme support for Custom Logo.
add_theme_support(
'custom-logo',
array(
'height' => 250,
'width' => 250,
'flex-height' => true,
'flex-width' => true,
)
);
// Add theme support for selective refresh for widgets.
add_theme_support( 'customize-selective-refresh-widgets' );
add_theme_support( 'align-wide' );
}
add_action( 'after_setup_theme', 'highstarter_setup' );
if ( isset( $content_width ) ) {
$highstarter_content_width = 900;
}
// Register widget area.
function highstarter_widgets_init() {
register_sidebar(
array(
'name' => __( 'Main Sidebar', 'highstarter' ),
'id' => 'sidebar-1',
'description' => __( 'Add widgets here to appear in your sidebar on blog posts and archive pages.', 'highstarter' ),
'before_widget' => '<section id="%1$s" class="sidebar-box">',
'after_widget' => '</section>',
'before_title' => '<h3 class="heading">',
'after_title' => '</h3>',
)
);
register_sidebar(
array(
'name' => __( 'Footer 1', 'highstarter' ),
'id' => 'sidebar-2',
'description' => __( 'Add widgets here to appear in your footer.', 'highstarter' ),
'before_widget' => '<section id="%1$s">',
'after_widget' => '</section>',
'before_title' => '<h3 class="heading">',
'after_title' => '</h3>',
)
);
register_sidebar(
array(
'name' => __( 'Footer 2', 'highstarter' ),
'id' => 'sidebar-3',
'description' => __( 'Add widgets here to appear in your footer.', 'highstarter' ),
'before_widget' => '<section id="%1$s">',
'after_widget' => '</section>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
)
);
}
add_action( 'widgets_init', 'highstarter_widgets_init' );
/**
* Enqueue scripts and styles.
*/
function highstarter_styles() {
// Theme Navigation
wp_enqueue_script( 'highstarter-navigation', get_template_directory_uri() . '/assets/js/navigation.js', array(), '', true );
// Toggle Dark Theme Mode
wp_enqueue_script( 'highstarter-dark-mode', get_template_directory_uri() . '/assets/js/toggleDarkMode.js', array(), '', true );
// Theme stylesheet.
wp_enqueue_style( 'highstarter-style', get_template_directory_uri() . '/style.css', '', '2.2.2' );
}
add_action( 'wp_enqueue_scripts', 'highstarter_styles', 99 );
/**
* Enqueue fonts to the footer for better peformance.
*/
function highstarter_fonts() {
// Add dashicons
wp_enqueue_style( 'dashicons' );
// Add google fonts
wp_enqueue_style( 'Merriweather', '//fonts.googleapis.com/css?family=Merriweather&display=swap' );
wp_enqueue_style( 'OpenSans', '//fonts.googleapis.com/css2?family=Open+Sans:wght@300;400&display=swap' );
}
add_action( 'wp_footer', 'highstarter_fonts' );
// Make drop down menu accessible by screen readers
function highstarter_nav_menu_link_attributes( $atts, $item, $args, $depth ) {
// Add [aria-haspopup] and [aria-expanded] to menu items that have children
$item_has_children = in_array( 'menu-item-has-children', $item->classes );
if ( $item_has_children ) {
$atts['aria-haspopup'] = 'true';
$atts['aria-expanded'] = 'false';
}
return $atts;
}
add_filter( 'nav_menu_link_attributes', 'highstarter_nav_menu_link_attributes', 10, 4 );
// Filter Classes of wp_list_pages items to match menu items
function highstarter_filter_menu_item_classes( $css_class ) {
// Add current menu item class.
if ( in_array( 'current_page_item', $css_class, true ) ) {
$css_class[] = 'current-menu-item';
}
// Add menu item has children class.
if ( in_array( 'page_item_has_children', $css_class, true ) ) {
$css_class[] = 'menu-item-has-children';
}
return $css_class;
}
add_filter( 'page_css_class', 'highstarter_filter_menu_item_classes', 10, 5 );
/* Modify comments markup*/
function highstarter_modify_comment_output( $comment, $depth, $args ) {
$tag = ( 'div' === $args['style'] ) ? 'div' : 'li'; ?>
<<?php echo $tag; ?> id="comment-<?php comment_ID(); ?>"
<?php comment_class( empty( $args['has_children'] ) ? '' : 'parent', $comment ); ?>>
<article id="div-comment-<?php comment_ID(); ?>" class="comment-body">
<footer class="comment-meta">
<div class="comment-author vcard">
<?php
if ( 0 != $args['avatar_size'] ) {
echo get_avatar( $comment, $args['avatar_size'] );
}
?>
<?php
/* translators: %s: comment author link */
printf(
__( '%s <span class="says">says:</span>', 'highstarter' ),
sprintf( '<b class="fn">%s</b>', get_comment_author_link( $comment ) )
);
?>
</div><!-- .comment-author -->
<div class="comment-metadata">
<a href="<?php echo esc_url( get_comment_link( $comment, $args ) ); ?>">
<time datetime="<?php comment_time( 'c' ); ?>">
<?php
printf( _x( '%s ago', '%s = human-readable time difference', 'highstarter' ), human_time_diff( get_comment_time( 'U' ), current_time( 'timestamp' ) ) );
?>
</time>
</a>
<?php edit_comment_link( __( 'edit', 'highstarter' ), '<span class="edit-link">', '</span>' ); ?>
</div><!-- .comment-metadata -->
<?php if ( '0' == $comment->comment_approved ) : ?>
<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'highstarter' ); ?>
</p>
<?php endif; ?>
</footer><!-- .comment-meta -->
<div class="comment-content">
<?php comment_text(); ?>
</div><!-- .comment-content -->
</article><!-- .comment-body -->
<?php
}
wp_list_comments( 'callback=highstarter_modify_comment_output' );
// IMPLEMENT SIMPLE PAGINATION
function highstarter_numeric_posts_nav() {
return the_posts_pagination(
array(
'mid_size' => 2,
'prev_text' => __( '«', 'highstarter' ),
'next_text' => __( '»', 'highstarter' ),
)
);
}
function highstarter_the_custom_logo() {
if ( function_exists( 'the_custom_logo' ) && has_custom_logo() ) {
the_custom_logo();
}
}
function highstarter_dark_mode_logo() {
if ( get_theme_mod( 'dark_mode_logo' ) ) : ?>
<a class="custom-logo-link dark-mode-logo" href="<?php echo esc_url(home_url('/')); ?>" rel="home">
<img class="custom-logo" src="<?php echo esc_attr( get_theme_mod('dark_mode_logo') ); ?>" />
</a>
<?php endif;
}
if ( function_exists( 'get_parent_theme_file_path' ) ) { // Since WP 4.7
// ADD OPTIONS TO THEME CUSTOMIZER
include get_parent_theme_file_path( '/inc/customizer.php' );
// IMPLEMENT CUSTOM HEADER FEATURE.
include get_parent_theme_file_path( '/inc/custom-header.php' );
} else { // Prior WP 4.7
include get_template_directory() . '/inc/customizer.php';
include get_template_directory() . '/inc/custom-header.php';
}
// Post navigation after post content
function highstarter_the_posts_navigation() {
$args = array(
'prev_text' => __( 'Previous Post: ', 'highstarter' ) . '<span>%title</span>',
'next_text' => __( 'Next Post: ', 'highstarter' ) . '<span>%title</span>',
);
the_post_navigation( $args );
}
function highstarter_thumbnail( $size = '' ) {
if ( has_post_thumbnail() ) {
?>
<div class="post-thumbnail">
<?php if ( ! is_single() ) : ?>
<a href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>">
<?php the_post_thumbnail( $size ); ?>
</a>
<?php else : ?>
<?php the_post_thumbnail( $size ); ?>
<?php endif; ?>
</div><!-- .post-thumbnail -->
<?php
}
}
// Display post meta data before and after post content
function highstarter_post_meta_header() {
if ( is_new_day() ) :
?>
<span class="posted-date"><?php the_date(); ?></span>
<?php endif; ?>
<span class="posted-author"><?php the_author_posts_link(); ?></span>
<?php if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) : ?>
<span class="comments-number">
<?php comments_popup_link( esc_html__( 'Leave a comment', 'highstarter' ), esc_html__( '1 Comment', 'highstarter' ), /* translators: number of comments */esc_html__( '% Comments', 'highstarter' ), 'comments-link' ); ?>
</span>
<?php endif; ?>
<?php
}
function highstarter_post_meta_footer() {
if ( 'post' === get_post_type() ) :
?>
<?php $category_list = get_the_category_list( esc_html( ', ' ) ); ?>
<?php if ( $category_list ) : ?>
<span class="cat-links">
<?php printf( /* category list */esc_html( '%s' ), $category_list ); // xss ok. ?>
</span>
<?php endif; ?>
<?php $tag_list = get_the_tag_list( '', esc_html( ', ' ) ); ?>
<?php if ( $tag_list ) : ?>
<span class="tags-links">
<?php printf( /* tag list */esc_html( '%s' ), $tag_list ); // xss ok. ?>
</span>
<?php endif; ?>
<?php
endif;
}
// Add very simple breadcrumps
function highstarter_breadcrumbs() {
if ( is_front_page() ) {
return;
}
?>
<a href="<?php echo esc_url( home_url() ); ?>"><?php _e( 'Home', 'highstarter' ); ?></a>
<?php
if ( is_category() || is_single() ) {
echo ' » ';
the_category( ' • ' );
if ( is_single() ) {
echo ' » ';
the_title();
}
} elseif ( is_page() ) {
echo ' » ';
echo the_title();
} elseif ( is_search() ) {
echo ' » Search Results for... ';
echo '"<em>';
echo the_search_query();
echo '</em>"';
}
}
// Add post navigation to previous and next post after post content
function highstarter_post_nav( $args = array() ) {
if ( ! is_rtl() ) {
$defaults = (array) apply_filters(
'highstarter_post_nav_default_args',
array(
'prev_text' => '← %title',
'next_text' => '%title →',
)
);
$args = wp_parse_args( $args, $defaults );
the_post_navigation( $args );
} else {
$defaults = (array) apply_filters(
'highstarter_post_nav_default_args',
array(
'prev_text' => '%title ←',
'next_text' => '→ %title',
)
);
$args = wp_parse_args( $args, $defaults );
the_post_navigation( $args );
}
}
// Call to action button on homepage
function highstarter_call_to_action() {
if ( is_front_page() || is_home() ) :
$banner_label = get_theme_mod( 'banner_label', __( 'Get Started', 'highstarter' ) );
$banner_link = get_theme_mod( 'banner_link', '#' );
if ( $banner_label && $banner_link ) :
?>
<p>
<a class="button"
href="<?php echo esc_url( $banner_link ); ?>"
aria-label="<?php printf( /* translators: continue reading */ esc_attr__( 'Continue Reading', 'highstarter' ) ); ?>">
<?php printf( /* translators: right arrow (LTR) / left arrow (RTL) */ esc_html( $banner_label ) . ' ' . '%s', is_rtl() ? '←' : '→' ); ?>
</a>
</p>
<?php
endif;
endif;
}
if ( ! function_exists( 'wp_body_open' ) ) :
/**
* backwards compatibility for wp_body_open action prior WordPress 5.2.
*/
function wp_body_open() {
do_action( 'wp_body_open' );
}
endif;
/**
* Enable dark theme mode
* Hook js right after the body tag to avoid light flash of unstyled content.
*/
function highstarter_dark_mode() {
?>
<script>
if (localStorage.getItem('highstarterNightMode')) {
document.body.className +=' dark-mode';
}
</script>
<?php
}
add_action( 'wp_body_open', 'highstarter_dark_mode' );
/**
* Facebook Open Graph.
*
* @since 2.0.8
* Display the featured post image as og:image on the single post page
* @see https://stackoverflow.com/questions/28735174/wordpress-ogimage-featured-image
*/
function highstarter_fb_open_graph() {
if ( is_single() && has_post_thumbnail() ) {
echo '<meta property="og:image" content="' . esc_attr( get_the_post_thumbnail_url( get_the_ID() ) ) . '" />';
}
}
add_action( 'wp_head', 'highstarter_fb_open_graph' );
/**
* Adds no-sidebar class when sidebar is empty
* @since 2.1.4
*/
function highstarter_body_classes( $classes ){
if ( ! is_active_sidebar( 'sidebar-1' ) ) {
$classes[] = 'no-sidebar';
}
return $classes;
}
add_filter( 'body_class', 'highstarter_body_classes' );