--TEST-- Bug #72688 (preg_match missing group names in matches) --FILE-- <?php $pattern = []; for ($i = 0; $i < 300; $i++) { $pattern[] = "(?'group{$i}'{$i}$)"; } $fullPattern = '/' . implode('|', $pattern) . '/uix'; preg_match($fullPattern, '290', $matches); var_dump($matches['group290']); ?> --EXPECT-- string(3) "290"