wp-includes/class-wp-customize-setting.php:916Will attempt to replace a specific value in a multidimensional array.
$rootarray$keysarray$valuemixedmixed final protected function multidimensional_replace( $root, $keys, $value ) { if ( ! isset( $value ) ) { return $root; } elseif ( empty( $keys ) ) { // If there are no keys, we're replacing the root. return $value; } $result = $this->multidimensional( $root, $keys, true ); if ( isset( $result ) ) { $result['node'][ $result['key'] ] = $value; } return $root; }Introduced in 3.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-setting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.