3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key' => 'value'); //array_map(function($k, $v){var_dump($k, $v);}, array_keys($arr), $arr); array_map(&function($a){ var_dump(key($a)); }, &$arr);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0070.03712.50
5.4.300.0040.04012.50
5.4.290.0070.04112.49
5.4.280.0050.03612.39
5.4.270.0050.04012.39
5.4.260.0060.03812.39
5.4.250.0100.03312.39
5.4.240.0030.03912.39
5.4.230.0090.03512.38
5.4.220.0050.03912.38
5.4.210.0050.03612.38
5.4.200.0070.03712.38
5.4.190.0050.03712.38
5.4.180.0050.03612.38
5.4.170.0040.03712.38
5.4.160.0040.04412.38
5.4.150.0100.03512.38
5.4.140.0080.04712.07
5.4.130.0070.04412.05
5.4.120.0080.04212.02
5.4.110.0070.04512.01
5.4.100.0090.03312.01
5.4.90.0060.03612.01
5.4.80.0070.03612.01
5.4.70.0040.03712.00
5.4.60.0070.03512.01
5.4.50.0070.03812.01
5.4.40.0070.03311.99
5.4.30.0060.03711.99
5.4.20.0070.03411.99
5.4.10.0060.03612.00
5.4.00.0060.03511.48
5.3.290.0050.03912.80
5.3.280.0060.04012.71
5.3.270.0070.04512.72
5.3.260.0090.03612.72
5.3.250.0050.04112.72
5.3.240.0050.04612.72
5.3.230.0070.03712.71
5.3.220.0050.04012.68
5.3.210.0120.04112.68
5.3.200.0070.03512.68
5.3.190.0100.03412.68
5.3.180.0090.03912.67
5.3.170.0070.03912.67
5.3.160.0080.03712.68
5.3.150.0060.03912.67
5.3.140.0090.03912.66
5.3.130.0040.04312.66
5.3.120.0080.04612.66
5.3.110.0030.04212.66
5.3.100.0050.03812.12
5.3.90.0080.03412.08
5.3.80.0080.03412.07
5.3.70.0060.04312.07
5.3.60.0060.04012.06
5.3.50.0060.03912.00
5.3.40.0060.03712.00
5.3.30.0050.03911.95
5.3.20.0060.04711.73
5.3.10.0070.04711.70
5.3.00.0060.04011.68
5.2.170.0070.0289.18
5.2.160.0050.0329.18
5.2.150.0040.0359.18
5.2.140.0050.0319.18
5.2.130.0050.0359.14
5.2.120.0060.0319.14
5.2.110.0040.0329.15
5.2.100.0020.0359.14
5.2.90.0060.0309.14
5.2.80.0040.0309.14
5.2.70.0060.0349.14
5.2.60.0030.0369.09
5.2.50.0080.0399.06
5.2.40.0020.0319.04
5.2.30.0030.0389.01
5.2.20.0040.0299.00
5.2.10.0070.0308.93
5.2.00.0060.0288.78
5.1.60.0030.0258.07
5.1.50.0060.0258.06
5.1.40.0030.0288.05
5.1.30.0050.0278.40
5.1.20.0040.0268.41
5.1.10.0050.0318.14
5.1.00.0020.0278.14
5.0.50.0050.0226.62
5.0.40.0070.0226.48
5.0.30.0030.0426.29
5.0.20.0050.0176.27
5.0.10.0010.0236.24
5.0.00.0030.0366.23
4.4.90.0020.0214.78
4.4.80.0010.0224.75
4.4.70.0060.0154.75
4.4.60.0030.0194.76
4.4.50.0040.0164.77
4.4.40.0030.0294.71
4.4.30.0030.0164.76
4.4.20.0030.0154.84
4.4.10.0030.0184.85
4.4.00.0010.0274.76
4.3.110.0030.0154.66
4.3.100.0040.0194.67
4.3.90.0020.0164.63
4.3.80.0050.0224.58
4.3.70.0040.0164.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0040.0244.54
4.3.30.0020.0183.29
4.3.20.0000.0183.27
4.3.10.0010.0173.22
4.3.00.0070.0206.98

preferences:
140.76 ms | 1394 KiB | 7 Q