Alternative to the deprecated `get_page_by_title`, using WP_Query

get_page_by_title_wp_query.php

<?php
function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) {
		$query = new WP_Query(
			array(
				'post_type'              => $post_type,
				'title'                  => $page_title,
				'post_status'            => 'all',
				'posts_per_page'         => 1,
				'no_found_rows'          => true,
				'ignore_sticky_posts'    => true,
				'update_post_term_cache' => false,
				'update_post_meta_cache' => false,
				'orderby'                => 'date',
				'order'                  => 'ASC',
			)
		);

		if ( ! empty( $query->post ) ) {
			$_post = $query->post;

			if ( ARRAY_A === $output ) {
				return $_post->to_array();
			} elseif ( ARRAY_N === $output ) {
				return array_values( $_post->to_array() );
			}

			return $_post;
		}

		return null;
	}