Revert now-unnecessary change since $userdata is always an array

westonruter · westonruter · commit 512e3686ee39 · 2026-02-16T18:06:00.000-08:00
diff --git a/src/wp-includes/user.php b/src/wp-includes/user.php
@@ -2598,7 +2598,7 @@ function wp_insert_user( $userdata ) {
 	$meta = apply_filters( 'insert_user_meta', $meta, $user, $update, $userdata );
 
 	$custom_meta = array();
-	if ( ! empty( $userdata['meta_input'] ) && is_array( $userdata['meta_input'] ) ) {
+	if ( array_key_exists( 'meta_input', $userdata ) && is_array( $userdata['meta_input'] ) && ! empty( $userdata['meta_input'] ) ) {
 		$custom_meta = $userdata['meta_input'];
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -2598,7 +2598,7 @@ function wp_insert_user( $userdata ) {`
`2598`	`2598`	`$meta = apply_filters( 'insert_user_meta', $meta, $user, $update, $userdata );`
`2599`	`2599`
`2600`	`2600`	`$custom_meta = array();`
`2601`		`- if ( ! empty( $userdata['meta_input'] ) && is_array( $userdata['meta_input'] ) ) {`
	`2601`	`+ if ( array_key_exists( 'meta_input', $userdata ) && is_array( $userdata['meta_input'] ) && ! empty( $userdata['meta_input'] ) ) {`
`2602`	`2602`	`$custom_meta = $userdata['meta_input'];`
`2603`	`2603`	`}`
`2604`	`2604`