3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $time = microtime(true); for ($i = 0; $i < 10000; $i++) { preg_match('/^label-(.+)/', 'label-en_US', $matches); } $time = microtime(true) - $time; echo 'preg_match() took ' . number_format($time, 3) . ' seconds' . "\n";
Output for 7.0.4, 7.1.0
preg_match() took 0.002 seconds
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.1, 7.0.12 - 7.0.14
preg_match() took 0.003 seconds
Output for 7.0.2 - 7.0.3, 7.0.5 - 7.0.6
preg_match() took 0.004 seconds
Output for 4.3.3, 4.3.9, 5.1.4, 5.6.28
preg_match() took 0.013 seconds
Output for 4.3.0, 4.3.6, 4.4.2, 4.4.4, 5.2.1, 5.3.1, 5.3.6, 5.3.8, 5.3.10, 5.3.14 - 5.3.15, 5.3.24, 5.4.5, 5.4.7, 5.4.13, 5.4.15, 5.4.23, 5.4.27, 5.4.44, 5.6.18, 5.6.21
preg_match() took 0.008 seconds
Output for 4.3.4, 4.3.7, 4.3.11, 4.4.1, 5.0.3, 5.1.0, 5.1.2, 5.2.5 - 5.2.6, 5.2.8, 5.2.11, 5.2.14 - 5.2.15, 5.3.0, 5.3.5, 5.3.13, 5.3.25, 5.3.27, 5.5.24, 5.5.26, 5.6.10, 5.6.20
preg_match() took 0.010 seconds
Output for 4.4.5, 5.0.0 - 5.0.2, 5.0.5, 5.1.6, 5.2.3, 5.2.7, 5.2.9, 5.2.13, 5.2.17, 5.3.2, 5.3.9, 5.3.16 - 5.3.18, 5.3.22 - 5.3.23, 5.3.26, 5.4.0 - 5.4.1, 5.4.6, 5.4.8, 5.4.14, 5.4.18 - 5.4.19, 5.4.21 - 5.4.22, 5.4.24 - 5.4.25, 5.4.29, 5.5.27 - 5.5.28, 5.5.30 - 5.5.33, 5.5.35, 5.6.9, 5.6.12, 5.6.15, 5.6.19
preg_match() took 0.009 seconds
Output for 5.2.2, 5.2.10, 5.3.4, 5.3.19 - 5.3.21, 5.3.28 - 5.3.29, 5.4.4, 5.4.9 - 5.4.11, 5.4.31, 5.4.34 - 5.4.35, 5.4.45, 5.5.25, 5.5.29, 5.6.8, 5.6.11, 5.6.13, 5.6.17
preg_match() took 0.006 seconds
Output for 4.4.6, 5.1.5, 5.2.4, 5.2.12, 5.2.16, 5.3.3, 5.3.7, 5.3.12, 5.4.2, 5.4.16 - 5.4.17, 5.4.20, 5.4.26, 5.4.37 - 5.4.38, 5.5.34, 5.6.14, 5.6.16
preg_match() took 0.007 seconds
Output for 5.1.1, 5.4.28, 5.4.30, 5.4.32, 5.4.36, 5.4.39 - 5.4.43
preg_match() took 0.005 seconds
Output for 4.3.1, 4.3.8, 4.4.8, 5.0.4, 5.1.3, 5.2.0, 5.4.3, 5.4.12
preg_match() took 0.011 seconds
Output for 4.3.2, 4.3.5, 4.4.0, 4.4.9, 5.3.11
preg_match() took 0.012 seconds
Output for 4.4.7
preg_match() took -0.992 seconds
Output for 4.4.3
preg_match() took 0.015 seconds
Output for 4.3.10
preg_match() took 0.014 seconds