3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $start = microtime(true); $calculated = microtime(true) - $start; echo "time_here: " . $calculated . "\n"; ?> # result: 1.9073486328125E-6
Output for 7.2.0 - 7.2.6
time_here: 5.0067901611328E-6 # result: 1.9073486328125E-6
Output for 5.6.11, 7.0.0, 7.0.2, 7.0.6, 7.0.12, 7.1.5, 7.1.10
time_here: 1.1920928955078E-6 # result: 1.9073486328125E-6
Output for 5.6.0, 5.6.2, 5.6.5, 5.6.7, 5.6.9 - 5.6.10, 5.6.14, 5.6.19 - 5.6.20, 5.6.23, 5.6.29 - 5.6.30, hhvm-3.15.4, 7.0.4 - 7.0.5, 7.0.10 - 7.0.11, 7.0.13 - 7.0.15, 7.0.18, 7.0.20 - 7.1.0, 7.1.3, 7.1.6 - 7.1.7
time_here: 9.5367431640625E-7 # result: 1.9073486328125E-6
Output for 5.6.8, 5.6.12, 5.6.18, 5.6.21 - 5.6.22, 5.6.24 - 5.6.27, 7.1.4
time_here: 1.9073486328125E-6 # result: 1.9073486328125E-6
Output for 7.0.1, 7.0.3, 7.0.7 - 7.0.9, 7.0.16 - 7.0.17, 7.0.19, 7.1.1 - 7.1.2
time_here: 0 # result: 1.9073486328125E-6
Output for 5.6.1, 5.6.3 - 5.6.4, 5.6.6, 5.6.13, 5.6.16 - 5.6.17, 5.6.28
time_here: 2.1457672119141E-6 # result: 1.9073486328125E-6
Output for 5.6.15
time_here: 9.0599060058594E-6 # result: 1.9073486328125E-6