3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('a' => 12, 'b' => 'foo', 'caution' => array('blubb' => array('bar' => 'baz'))); $start = microtime(true); $obj1 = json_decode(json_encode($arr), false); $end = microtime(true) - $start; echo "Run: " . $end . PHP_EOL;
Output for 7.0.1, 7.1.0
Run: 8.1062316894531E-6
Output for 5.3.16, 5.3.28, 5.4.17, 7.0.7, 7.0.9 - 7.0.14
Run: 1.1920928955078E-5
Output for 5.2.15, 7.0.0, 7.0.8
Run: 1.0013580322266E-5
Output for 7.0.6
Run: 8.8214874267578E-6
Output for 5.2.6, 5.3.29, 7.0.5
Run: 1.1205673217773E-5
Output for 5.3.11, 5.3.13, 5.4.26, 5.4.31 - 5.4.32, 5.5.16, 5.6.18, 7.0.4
Run: 1.3113021850586E-5
Output for 7.0.3
Run: 7.8678131103516E-6
Output for 7.0.2
Run: 9.0599060058594E-6
Output for 5.3.10, 5.3.17, 5.5.26, 5.6.2, 5.6.28
Run: 1.7881393432617E-5
Output for 5.3.2, 5.3.18, 5.4.3, 5.4.5, 5.4.9, 5.4.36, 5.5.31, 5.5.35 - 5.5.36, 5.6.0, 5.6.24
Run: 1.8835067749023E-5
Output for 5.2.5, 5.2.8 - 5.2.9, 5.2.12, 5.2.17, 5.3.1, 5.3.5, 5.3.19, 5.3.27, 5.4.7, 5.4.10, 5.4.21, 5.4.25, 5.4.38, 5.5.0, 5.5.8 - 5.5.9, 5.5.27 - 5.5.28, 5.6.5, 5.6.9, 5.6.17, 5.6.19, 5.6.23
Run: 1.5974044799805E-5
Output for 5.6.22
Run: 3.1948089599609E-5
Output for 5.3.8, 5.4.18, 5.4.27, 5.5.15, 5.6.1, 5.6.3, 5.6.21
Run: 1.7166137695312E-5
Output for 5.2.10, 5.2.13, 5.3.4, 5.3.22, 5.3.26, 5.4.6, 5.5.1 - 5.5.3, 5.5.25, 5.6.20
Run: 1.5020370483398E-5
Output for 5.3.9, 5.4.16, 5.4.19, 5.4.23 - 5.4.24, 5.4.29 - 5.4.30, 5.4.37, 5.5.24, 5.6.6 - 5.6.7, 5.6.12 - 5.6.13, 5.6.15 - 5.6.16
Run: 1.4066696166992E-5
Output for 5.2.3, 5.3.6, 5.4.13, 5.4.22, 5.4.28, 5.4.35, 5.4.41, 5.6.4, 5.6.14
Run: 1.6927719116211E-5
Output for 5.2.4, 5.3.7, 5.6.11
Run: 2.1934509277344E-5
Output for 5.3.0, 5.4.1 - 5.4.2, 5.5.11, 5.5.21, 5.5.33, 5.5.38, 5.6.10
Run: 2.0027160644531E-5
Output for 5.2.14, 5.2.16, 5.6.8
Run: 1.3828277587891E-5
Output for 5.3.14, 5.3.21, 5.3.24, 5.4.11, 5.4.34, 5.4.43, 5.5.23, 5.5.29, 5.5.37
Run: 1.9073486328125E-5
Output for 5.3.20, 5.3.23, 5.3.25, 5.4.0, 5.4.4, 5.4.14 - 5.4.15, 5.4.40, 5.4.44 - 5.4.45, 5.5.19, 5.5.22, 5.5.34
Run: 1.8119812011719E-5
Output for 5.5.32
Run: 2.288818359375E-5
Output for 5.3.15, 5.4.20, 5.4.39, 5.4.42, 5.5.12, 5.5.14, 5.5.30
Run: 2.0980834960938E-5
Output for 5.5.20
Run: 1.4781951904297E-5
Output for 5.4.12, 5.5.18
Run: 1.978874206543E-5
Output for 5.5.13
Run: 3.9815902709961E-5
Output for 5.3.12, 5.4.8, 5.5.7, 5.5.10
Run: 1.2874603271484E-5
Output for 5.5.6
Run: 3.0040740966797E-5
Output for 5.5.5
Run: 2.1219253540039E-5
Output for 5.5.4
Run: 2.598762512207E-5
Output for 5.3.3
Run: 2.3126602172852E-5
Output for 5.2.11
Run: 1.0967254638672E-5
Output for 5.2.7
Run: 2.7894973754883E-5
Output for 5.2.2
Run: 1.215934753418E-5
Output for 5.2.1
Run: 1.5020370483398E-05
Output for 5.2.0
Run: 1.4781951904297E-05
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/lacE5 on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/lacE5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/lacE5 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/lacE5 on line 5