3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /** * Simple function to replicate PHP 5 behaviour */ function microtime_float() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); } $time_start = microtime_float(); // Sleep for a while //usleep(100); $time_end = microtime_float(); $time = $time_end - $time_start; echo "Did nothing in $time seconds\n";
based on 9oqib
Output for 5.6.6, 7.1.0
Did nothing in 1.1205673217773E-5 seconds
Output for 5.3.0, 5.5.12, 7.1.0RC5
Did nothing in 1.215934753418E-5 seconds
Output for 5.5.20, 5.6.24, 7.1.0RC4
Did nothing in 1.1920928955078E-5 seconds
Output for 7.0.3, 7.0.6, 7.1.0RC3
Did nothing in 7.8678131103516E-6 seconds
Output for 7.0.5, 7.0.7 - 7.0.8, 7.0.10 - 7.0.11, 7.1.0beta1, 7.1.0beta3 - 7.1.0RC1
Did nothing in 8.1062316894531E-6 seconds
Output for 7.0.0, 7.1.0beta2
Did nothing in 8.8214874267578E-6 seconds
Output for 7.1.0alpha3
Did nothing in 6.9141387939453E-6 seconds
Output for 5.6.17, 5.6.22, 7.0.1, 7.1.0alpha1 - 7.1.0alpha2
Did nothing in 1.0013580322266E-5 seconds
Output for 7.0.2, 7.0.9
Did nothing in 9.0599060058594E-6 seconds
Output for 5.6.14, 5.6.18, 5.6.21, 7.0.4
Did nothing in 1.0967254638672E-5 seconds
Output for hhvm-3.13.2
Did nothing in 3.2901763916016E-5 seconds
Output for hhvm-3.12.0
Did nothing in 2.3841857910156E-5 seconds
Output for hhvm-3.10.0
Did nothing in 3.1948089599609E-5 seconds
Output for 5.2.12, 5.3.12, 5.3.22, 5.4.9, 5.4.25, 5.5.0 - 5.5.2, 5.5.4, 5.5.8, 5.5.14 - 5.5.16, 5.5.25 - 5.5.26, 5.5.30, 5.5.38 - 5.6.2, 5.6.10, 5.6.25
Did nothing in 1.5020370483398E-5 seconds
Output for 5.2.9, 5.2.16, 5.3.3, 5.3.7, 5.3.10, 5.3.16, 5.3.26, 5.4.14, 5.4.24, 5.5.3, 5.5.5, 5.5.21 - 5.5.23, 5.5.29, 5.5.34, 5.5.37, 5.6.13, 5.6.16, 5.6.23
Did nothing in 1.5974044799805E-5 seconds
Output for 5.3.13, 5.4.6, 5.4.12, 5.5.13, 5.5.27, 5.5.36, 5.6.15, 5.6.19 - 5.6.20
Did nothing in 1.3113021850586E-5 seconds
Output for 5.2.14, 5.3.29, 5.5.9 - 5.5.11, 5.5.24, 5.5.33, 5.6.9, 5.6.12
Did nothing in 1.3828277587891E-5 seconds
Output for 5.5.32, 5.6.7, 5.6.11
Did nothing in 1.2874603271484E-5 seconds
Output for 5.3.6, 5.3.19, 5.4.5, 5.4.7, 5.4.11, 5.4.26, 5.5.7, 5.5.19, 5.5.28, 5.5.31, 5.5.35, 5.6.3, 5.6.5, 5.6.8
Did nothing in 1.4066696166992E-5 seconds
Output for 5.6.4
Did nothing in 1.6212463378906E-5 seconds
Output for 5.2.4, 5.2.6 - 5.2.7, 5.3.14, 5.3.21, 5.3.25, 5.3.27, 5.4.17, 5.4.43, 5.5.18
Did nothing in 1.6927719116211E-5 seconds
Output for 5.2.8, 5.2.10, 5.3.2, 5.3.8, 5.3.11, 5.3.18, 5.3.24, 5.4.18, 5.5.6
Did nothing in 1.8119812011719E-5 seconds
Output for 5.4.13, 5.4.16, 5.4.22, 5.4.30, 5.4.34 - 5.4.35, 5.4.45
Did nothing in 2.0027160644531E-5 seconds
Output for 5.2.2, 5.3.20, 5.3.23, 5.4.27, 5.4.44
Did nothing in 1.7166137695312E-5 seconds
Output for 5.2.5, 5.2.11, 5.4.4, 5.4.19, 5.4.21, 5.4.23, 5.4.28, 5.4.36, 5.4.42
Did nothing in 1.9073486328125E-5 seconds
Output for 5.4.0, 5.4.2, 5.4.10, 5.4.31, 5.4.41
Did nothing in 2.0980834960938E-5 seconds
Output for 5.2.3, 5.2.13, 5.3.1, 5.3.9, 5.4.3, 5.4.8, 5.4.15, 5.4.32, 5.4.39 - 5.4.40
Did nothing in 1.7881393432617E-5 seconds
Output for 5.2.15, 5.2.17, 5.3.4, 5.4.1, 5.4.29, 5.4.37 - 5.4.38
Did nothing in 1.8835067749023E-5 seconds
Output for 5.4.20
Did nothing in 2.598762512207E-5 seconds
Output for 5.3.15, 5.3.28
Did nothing in 1.4781951904297E-5 seconds
Output for 5.3.17
Did nothing in 2.1934509277344E-5 seconds
Output for 5.3.5
Did nothing in 1.978874206543E-5 seconds
Output for 4.4.2, 5.2.1
Did nothing in 1.5974044799805E-05 seconds
Output for 4.3.3, 4.4.3, 5.1.0, 5.2.0
Did nothing in 2.3126602172852E-05 seconds
Output for 4.3.0 - 4.3.1, 5.0.0 - 5.0.1, 5.1.6
Did nothing in 2.4080276489258E-05 seconds
Output for 5.1.4 - 5.1.5
Did nothing in 1.7166137695312E-05 seconds
Output for 5.1.3
Did nothing in 1.5020370483398E-05 seconds
Output for 5.0.2, 5.0.4, 5.1.2
Did nothing in 2.5033950805664E-05 seconds
Output for 5.1.1
Did nothing in 2.7894973754883E-05 seconds
Output for 4.3.5, 5.0.5
Did nothing in 2.6941299438477E-05 seconds
Output for 4.4.6, 5.0.3
Did nothing in 2.0980834960938E-05 seconds
Output for 4.4.9
Did nothing in 2.4795532226562E-05 seconds
Output for 4.4.8
Did nothing in 1.8119812011719E-05 seconds
Output for 4.4.4, 4.4.7
Did nothing in 2.0027160644531E-05 seconds
Output for 4.4.5
Did nothing in 1.6927719116211E-05 seconds
Output for 4.3.11, 4.4.1
Did nothing in 1.7881393432617E-05 seconds
Output for 4.3.7, 4.4.0
Did nothing in 1.6212463378906E-05 seconds
Output for 4.3.10
Did nothing in 1.9073486328125E-05 seconds
Output for 4.3.2, 4.3.6, 4.3.9
Did nothing in 2.598762512207E-05 seconds
Output for 4.3.8
Did nothing in 2.1934509277344E-05 seconds
Output for 4.3.4
Did nothing in 2.288818359375E-05 seconds