Артем Золин

apply_filters( 'acf/format_value', $value, $post_id, $field );

$img = wp_get_attachment_image( $attachment_id, $size, $icon, $attr );

add_filter( 'login_redirect', 'filter_function_name_7309', 10, 3 );
function filter_function_name_7309( $redirect_to, $requested_redirect_to, $user ){
	// filter...

	return $redirect_to;
}

add_action( 'template_redirect', 'category_redirect' );
function category_redirect() {

	if ( is_category() && get_queried_object()->count == 1 ) {

		global $wp_query;
		
		if ( isset( $wp_query->posts[0]->ID ) ) {
			wp_redirect( get_the_permalink( $wp_query->posts[0]->ID )  );
		}
		
	}
}

<?php get_header(); ?>

	<section id="primary" class="content-area">
		<main id="main" class="site-main" role="main">

		<?php if ( have_posts() ) : ?>

			<header class="page-header">
				<h1 class="page-title">
				<?php
				/* translators: %s: The search query. */
				printf( __( 'Search Results for: %s', 'twentysixteen' ), '<span>' . esc_html( get_search_query() ) . '</span>' );
				?>
				</h1>
			</header><!-- .page-header -->

			<?php
			// Start the loop.
			while ( have_posts() ) :
				the_post();

				/**
				 * Run the loop for the search to output the results.
				 * If you want to overload this in a child theme then include a file
				 * called content-search.php and that will be used instead.
				 */
				get_template_part( 'template-parts/content', 'search' );

				// End the loop.
			endwhile;

			// Previous/next page navigation.
			the_posts_pagination(
				array(
					'prev_text'          => __( 'Previous page', 'twentysixteen' ),
					'next_text'          => __( 'Next page', 'twentysixteen' ),
					'before_page_number' => '<span class="meta-nav screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>',
				)
			);

			// If no content, include the "No posts found" template.
		else :
			get_template_part( 'template-parts/content', 'none' );

		endif;
		?>

		</main><!-- .site-main -->
	</section><!-- .content-area -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>

foreach ( $states as $key => $state ) {
	echo $key;
}

function login_redirect( $redirect_to, $request, $user ){
	if ( !is_wp_error( $user ) ) {
		return get_author_posts_url( $user->ID, $user->user_login );
	} else {
		return $redirect_to;
	}
}
add_filter( 'login_redirect', 'login_redirect', 10, 3 );

add_action( 'pre_get_posts', 'limit_posts_per_category', 1 );
function limit_posts_per_category( $query ) {

	if ( $query->is_category() && $query->is_paged() ) {
		$query->set( 'posts_per_page', 6 );
	}

}

add_action( 'pre_get_posts', 'limit_posts_per_home_page', 1 );
function limit_posts_per_home_page( $query ) {

	if ( $query->is_category( 6 ) && !$query->is_paged() ) {
		$query->set( 'posts_per_page', 6 );
	}

}

add_action( 'wp_enqueue_scripts', 'wpz_scripts' );
function wpz_scripts() {

	// Bootstrap стили
	wp_enqueue_style( 'bootstrap-styles', get_theme_file_uri( 'css/bootstrap.min.css' ) , array(), filemtime( get_theme_file_path( '/css/bootstrap.min.css' ) ) );

	// Основные стили
	wp_enqueue_style( 'common-styles', get_theme_file_uri( 'css/style.min.css' ) , array( 'bootstrap-styles' ), filemtime( get_theme_file_path( '/css/style.min.css' ) ) );

}

<a href="#"><img src="<?php echo get_template_directory_uri(); ?>/img/facebook.png" alt=""></a>
<a href="#" class="p-2"><img src="<?php echo get_template_directory_uri(); ?>/img/instagram.png" alt=""></a>

• 'meta_key'
  
• 'meta_value'
  
• 'meta_compare'
  
• 'meta_query'