get_key() ) ) { $count = (int) trim( $variable['value'] ?? '' ); return Grid_Track_Renderer::format_repeat( $count ); } if ( array_key_exists( 'deleted', $variable ) && $variable['deleted'] ) { return "var(--{$value})"; } $identifier = trim( $variable['label'] ?? '' ); if ( '' === $identifier ) { return null; } return "var(--{$identifier})"; } }