3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = "1234 4569 "; $allowedInputSeparators = array('\r\n', '\n', '\t', ',', ';', '|', '\s'); $pattern = '/(.+?)' . implode('|', $allowedInputSeparators) . '/'; preg_match_all($pattern, $value, $matches); print_r($matches);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => ) [1] => Array ( [0] => [1] => [2] => [3] => [4] => [5] => [6] => [7] => [8] => [9] => [10] => ) )

preferences:
310.29 ms | 406 KiB | 456 Q