Все страницы определённого шаблона

	$pages = get_pages( [
		'meta_key'     => '_wp_page_template', 
		'meta_value'   => 'templates/temp-author.php', 
		'hierarchical' => 0
	] );
if($pages): ?>
		<div class="content-section onside">
			<div class="container">
				<h1 class="heading-2">Авторы</h1>
				<div class="w-layout-grid grid-avtor">
					<?php 
					foreach( $pages as $page ){
						$author_page_fields = get_fields($page->ID); ?>
						<a href="stati-avtora.html" class="div-block-6 w-inline-block">
							<img  class="div-block-5" src="<?=$author_page_fields['author_photo'];?>" alt="">
							<h4><?=$author_page_fields['author_name'];?></h4>
							<div><?=$author_page_fields['author_short_text'];?></div>
						</a>
					<?php } ?>

				</div>
			</div>
		</div>
	<?php endif; ?>