diff --git a/wp-includes/post.php b/wp-includes/post.php
index 47a5ae0873..eb636864e5 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -3417,12 +3417,11 @@ function get_page_by_path($page_path, $output = OBJECT, $post_type = 'page') {
 	$page_path = str_replace('%2F', '/', $page_path);
 	$page_path = str_replace('%20', ' ', $page_path);
 	$parts = explode( '/', trim( $page_path, '/' ) );
-	$parts = array_map( 'esc_sql', $parts );
+	$parts = esc_sql( $parts );
 	$parts = array_map( 'sanitize_title_for_query', $parts );
 
 	$in_string = "'". implode( "','", $parts ) . "'";
-	$post_type_sql = $post_type;
-	$wpdb->escape_by_ref( $post_type_sql );
+	$post_type_sql = esc_sql( $post_type );
 	$pages = $wpdb->get_results( "SELECT ID, post_name, post_parent, post_type FROM $wpdb->posts WHERE post_name IN ($in_string) AND (post_type = '$post_type_sql' OR post_type = 'attachment')", OBJECT_K );
 
 	$revparts = array_reverse( $parts );