Coding Standards: Use strict comparison in get_page_by_path().

Follow-up to [3511], [18541], [19075], [21845].

Props aristath, poena, afercia, SergeyBiryukov.
See #62279.

git-svn-id: https://develop.svn.wordpress.org/trunk@59599 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-includes/post.php

@@ -6061,39 +6061,42 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
 
 	$revparts = array_reverse( $parts );
 
-	$foundid = 0;
+	$found_id = 0;
 	foreach ( (array) $pages as $page ) {
-		if ( $page->post_name == $revparts[0] ) {
+		if ( $page->post_name === $revparts[0] ) {
 			$count = 0;
 			$p     = $page;
 
 			/*
 			 * Loop through the given path parts from right to left,
 			 * ensuring each matches the post ancestry.
 			 */
-			while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) {
+			while ( 0 !== (int) $p->post_parent && isset( $pages[ $p->post_parent ] ) ) {
 				++$count;
 				$parent = $pages[ $p->post_parent ];
-				if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) {
+				if ( ! isset( $revparts[ $count ] ) || $parent->post_name !== $revparts[ $count ] ) {
 					break;
 				}
 				$p = $parent;
 			}
 
-			if ( 0 == $p->post_parent && count( $revparts ) === $count + 1 && $p->post_name == $revparts[ $count ] ) {
-				$foundid = $page->ID;
-				if ( $page->post_type == $post_type ) {
+			if ( 0 === (int) $p->post_parent
+				&& count( $revparts ) === $count + 1
+				&& $p->post_name === $revparts[ $count ]
+			) {
+				$found_id = $page->ID;
+				if ( $page->post_type === $post_type ) {
 					break;
 				}
 			}
 		}
 	}
 
 	// We cache misses as well as hits.
-	wp_cache_set( $cache_key, $foundid, 'post-queries' );
+	wp_cache_set( $cache_key, $found_id, 'post-queries' );
 
-	if ( $foundid ) {
-		return get_post( $foundid, $output );
+	if ( $found_id ) {
+		return get_post( $found_id, $output );
 	}
 
 	return null;