3v4l.org

run code in 300+ PHP versions simultaneously
<?php function add($x) { return function($y = null) use ($x) { if (is_null($y)) return $x; else return add($x + $y); }; } var_dump add(2); echo add(2)->__invoke(40)->__invoke();

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)
5.4.320.0030.04512.52
5.4.310.0090.03612.52
5.4.300.0080.03512.53
5.4.290.0050.04112.52
5.4.280.0050.04212.41
5.4.270.0050.03712.42
5.4.260.0100.03912.42
5.4.250.0110.04412.42
5.4.240.0040.03912.42
5.4.230.0110.03812.41
5.4.220.0100.03412.41
5.4.210.0060.04812.41
5.4.200.0070.03812.41
5.4.190.0040.03812.41
5.4.180.0070.03512.41
5.4.170.0070.03512.41
5.4.160.0050.03712.41
5.4.150.0070.03512.40
5.4.140.0080.03912.09
5.4.130.0090.03212.07
5.4.120.0060.03512.04
5.4.110.0070.03412.04
5.4.100.0060.03512.04
5.4.90.0060.03712.04
5.4.80.0080.03512.04
5.4.70.0070.03912.03
5.4.60.0040.04112.03
5.4.50.0070.03312.03
5.4.40.0050.03512.02
5.4.30.0050.03612.02
5.4.20.0050.03612.01
5.4.10.0070.03412.01
5.4.00.0030.03911.51
5.3.290.0050.04312.80
5.3.280.0060.03812.71
5.3.270.0070.03812.72
5.3.260.0090.04112.72
5.3.250.0080.03912.72
5.3.240.0080.03712.72
5.3.230.0060.03912.70
5.3.220.0070.03612.68
5.3.210.0070.04112.68
5.3.200.0070.03612.68
5.3.190.0090.03712.68
5.3.180.0080.03912.67
5.3.170.0050.03712.67
5.3.160.0080.03712.67
5.3.150.0050.04312.68
5.3.140.0060.03812.66
5.3.130.0090.03612.65
5.3.120.0080.03812.66
5.3.110.0120.04412.66
5.3.100.0100.03612.13
5.3.90.0050.03712.11
5.3.80.0110.03212.10
5.3.70.0060.03612.10
5.3.60.0060.03612.09
5.3.50.0090.03412.03
5.3.40.0080.04012.03
5.3.30.0070.03311.98
5.3.20.0050.03511.77
5.3.10.0060.03611.74
5.3.00.0060.03811.73
5.2.170.0050.0309.21
5.2.160.0030.0319.22
5.2.150.0030.0329.22
5.2.140.0070.0289.21
5.2.130.0030.0319.18
5.2.120.0040.0289.17
5.2.110.0040.0319.18
5.2.100.0040.0299.18
5.2.90.0060.0359.18
5.2.80.0040.0329.17
5.2.70.0040.0449.17
5.2.60.0060.0289.12
5.2.50.0060.0389.09
5.2.40.0060.0339.07
5.2.30.0070.0279.05
5.2.20.0080.0259.04
5.2.10.0020.0308.95
5.2.00.0060.0288.80
5.1.60.0040.0238.09
5.1.50.0030.0258.09
5.1.40.0030.0258.06
5.1.30.0040.0258.42
5.1.20.0080.0238.44
5.1.10.0050.0258.16
5.1.00.0020.0318.16
5.0.50.0040.0206.64
5.0.40.0060.0226.50
5.0.30.0040.0316.31
5.0.20.0050.0186.29
5.0.10.0030.0206.26
5.0.00.0030.0306.25
4.4.90.0050.0134.78
4.4.80.0040.0144.75
4.4.70.0030.0164.75
4.4.60.0020.0164.76
4.4.50.0040.0154.77
4.4.40.0070.0214.71
4.4.30.0060.0124.76
4.4.20.0000.0194.85
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0030.0154.67
4.3.100.0010.0174.66
4.3.90.0020.0164.63
4.3.80.0050.0224.59
4.3.70.0010.0164.63
4.3.60.0000.0174.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0020.0163.30
4.3.20.0010.0173.27
4.3.10.0020.0153.24
4.3.00.0000.01313.57

preferences:
138.66 ms | 1398 KiB | 7 Q