3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['[text* your-name]','[email* your-email]','[text your-subject]','[textarea your-message]','[submit "Verzenden"]','[your-subject]','[your-name]','[your-email]','[your-message]']; foreach ($arr as $s) { if (preg_match_all('~(?<=\[)[^]\s]+(?=])~', $s, $matches)) { print_r($matches[0]); } }
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => your-subject ) Array ( [0] => your-name ) Array ( [0] => your-email ) Array ( [0] => your-message )
preferences:
106.8 ms | 1513 KiB | 4 Q