3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $start=time(); for ($i=0;$i<1000000;$i++) $res = preg_match('~\.(?:com|net|biz)\b~', 'apache.com'); $lap=time(); for ($i=0;$i<1000000;$i++) $res = preg_match('~\.(?:biz|net|com)\b~', 'apache.com'); $end=time(); $time1 = $lap - $start; $time2 = $end - $lap; echo $time1."<br />"; echo $time2."<br />"; ?>
Output for 5.5.0 - 5.5.1, 5.5.11, 5.5.18, 5.5.23, 5.5.25, 5.5.29, 5.5.31, 5.6.1 - 5.6.2, 5.6.6, 5.6.9, 5.6.15, 5.6.17 - 5.6.19, 5.6.28 - 7.0.1, 7.0.3 - 7.0.6, 7.0.8 - 7.1.5, 7.1.10 - 7.2.0
0<br />0<br />
Output for 5.5.5 - 5.5.10, 5.5.14 - 5.5.16, 5.5.21 - 5.5.22, 5.5.30, 5.5.33, 5.6.0, 5.6.5, 5.6.21, 7.0.2, 7.1.6 - 7.1.7
1<br />0<br />
Output for 5.5.2 - 5.5.4, 5.5.12 - 5.5.13, 5.5.19 - 5.5.20, 5.5.24, 5.5.26 - 5.5.28, 5.5.32, 5.5.34 - 5.5.37, 5.6.3 - 5.6.4, 5.6.7 - 5.6.8, 5.6.10 - 5.6.14, 5.6.16, 5.6.20, 5.6.22 - 5.6.23, 7.0.7
0<br />1<br />