Template activation: fix unique slug filtering.

ellatrix · ellatrix · commit 7a840d3672ee · 2025-10-23T14:58:23.000Z
The logic introduced for the unique slug filter in [61033] is incorrect. We should return the desired slug for the `wp_template` post type. This causes any second created template targeting a certain slug to not work correctly. Developed in #10397. See #62755. Fixes #64141. Props ntsekouras, priethor. git-svn-id: https://develop.svn.wordpress.org/trunk@61054 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/src/wp-includes/theme-templates.php b/src/wp-includes/theme-templates.php
@@ -50,8 +50,8 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_id
 	}
 
 	// For wp_template, slugs no longer have to be unique within the same theme.
-	if ( 'wp_template' !== $post_type ) {
-		return $override_slug;
+	if ( 'wp_template' === $post_type ) {
+		return $slug;
 	}
 
 	if ( ! $override_slug ) {

Original file line number	Diff line number	Diff line change
`@@ -50,8 +50,8 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_id`
`50`	`50`	`}`
`51`	`51`
`52`	`52`	`// For wp_template, slugs no longer have to be unique within the same theme.`
`53`		`- if ( 'wp_template' !== $post_type ) {`
`54`		`- return $override_slug;`
	`53`	`+ if ( 'wp_template' === $post_type ) {`
	`54`	`+ return $slug;`
`55`	`55`	`}`
`56`	`56`
`57`	`57`	`if ( ! $override_slug ) {`