3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = 'r;anum;l={"5":"10"}'; $output = array(); foreach (explode(';', $input) as $part) { $count = preg_match_all('(\w+)', $part, $matches); $output[] = ($count > 1) ? '[' . implode(',', $matches[0]) . ']' : reset($matches[0]); } print_r($output);
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => r [1] => anum [2] => [l,5,10] )
preferences:
303.93 ms | 406 KiB | 460 Q