<?php
preg_match("@^(?:(foo|)|(bar))$@", "bar", $r);
var_dump($r);
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
- array(3) {
[0]=>
string(3) "bar"
[1]=>
string(0) ""
[2]=>
string(3) "bar"
}
preferences:
47.36 ms | 408 KiB | 5 Q