3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Hello this is {name} and I like to {verb} my {noun}{punctuation}"; var_dump(preg_match_all("/{\w+}/", $str, $matches), $matches);
Output for 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
int(4) array(1) { [0]=> array(4) { [0]=> string(6) "{name}" [1]=> string(6) "{verb}" [2]=> string(6) "{noun}" [3]=> string(13) "{punctuation}" } }

preferences:
225.63 ms | 405 KiB | 407 Q