3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('aa'=>'bb); function aa($a){ return $a; } echo aa($a)['aa'];

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)
5.4.310.0030.04112.49
5.4.300.0070.03912.50
5.4.290.0080.03612.49
5.4.280.0080.04112.39
5.4.270.0060.04612.39
5.4.260.0070.04512.39
5.4.250.0060.03912.39
5.4.240.0070.04612.39
5.4.230.0050.04212.38
5.4.220.0050.03712.38
5.4.210.0100.03112.38
5.4.200.0080.03512.38
5.4.190.0040.03712.38
5.4.180.0050.03612.38
5.4.170.0070.03412.38
5.4.160.0030.03712.38
5.4.150.0030.03912.38
5.4.140.0050.03712.07
5.4.130.0050.03612.05
5.4.120.0100.04512.01
5.4.110.0090.04512.01
5.4.100.0090.03212.01
5.4.90.0060.03712.01
5.4.80.0060.03812.01
5.4.70.0030.03712.01
5.4.60.0060.03312.01
5.4.50.0030.03712.00
5.4.40.0030.03812.00
5.4.30.0040.03611.99
5.4.20.0050.03511.99
5.4.10.0070.03211.99
5.4.00.0060.03811.48
5.3.280.0060.03812.71
5.3.270.0070.03812.73
5.3.260.0050.03912.72
5.3.250.0030.04012.71
5.3.240.0070.04012.72
5.3.230.0060.03812.71
5.3.220.0060.03712.68
5.3.210.0020.04512.68
5.3.200.0050.04512.68
5.3.190.0100.04612.68
5.3.180.0070.03712.67
5.3.170.0060.04212.67
5.3.160.0090.03712.67
5.3.150.0080.03912.67
5.3.140.0060.03812.66
5.3.130.0100.03912.66
5.3.120.0070.04012.65
5.3.110.0070.03812.66
5.3.100.0060.04812.12
5.3.90.0050.04212.09
5.3.80.0080.03412.07
5.3.70.0050.03612.08
5.3.60.0050.03812.06
5.3.50.0070.03512.00
5.3.40.0050.03712.00
5.3.30.0060.03411.95
5.3.20.0090.03111.72
5.3.10.0080.03211.70
5.3.00.0030.03811.68
5.2.170.0060.0289.18
5.2.160.0060.0289.18
5.2.150.0060.0319.19
5.2.140.0070.0399.18
5.2.130.0030.0429.14
5.2.120.0060.0379.14
5.2.110.0070.0329.15
5.2.100.0030.0309.14
5.2.90.0040.0319.14
5.2.80.0100.0359.14
5.2.70.0050.0429.14
5.2.60.0090.0509.09
5.2.50.0060.0309.06
5.2.40.0020.0329.03
5.2.30.0070.0279.01
5.2.20.0040.0299.00
5.2.10.0050.0278.93
5.2.00.0070.0278.78
5.1.60.0050.0228.06
5.1.50.0060.0248.06
5.1.40.0100.0298.04
5.1.30.0090.0318.40
5.1.20.0100.0328.42
5.1.10.0050.0348.14
5.1.00.0110.0298.14
5.0.50.0060.0286.62
5.0.40.0030.0216.47
5.0.30.0040.0306.29
5.0.20.0040.0186.26
5.0.10.0030.0206.24
5.0.00.0040.0296.23
4.4.90.0050.0134.78
4.4.80.0060.0134.75
4.4.70.0030.0164.76
4.4.60.0010.0184.75
4.4.50.0020.0164.77
4.4.40.0030.0264.71
4.4.30.0050.0194.76
4.4.20.0030.0164.84
4.4.10.0050.0214.84
4.4.00.0040.0314.76
4.3.110.0080.0174.67
4.3.100.0030.0214.66
4.3.90.0000.0174.64
4.3.80.0060.0214.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0010.0173.29
4.3.20.0040.0143.27
4.3.10.0020.0153.21
4.3.00.0100.0237.07

preferences:
141.28 ms | 1398 KiB | 7 Q