3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = function($y) using ($x) { if ($y>1) return 1+$x($y-1); return 1; } return $x(3);

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)
5.4.320.0040.04112.52
5.4.310.0070.04212.52
5.4.300.0080.03612.52
5.4.290.0080.03812.51
5.4.280.0060.04312.41
5.4.270.0070.04812.41
5.4.260.0060.04212.41
5.4.250.0080.03812.41
5.4.240.0140.05412.41
5.4.230.0120.04312.40
5.4.220.0060.03812.40
5.4.210.0110.03212.40
5.4.200.0100.04312.40
5.4.190.0130.03612.40
5.4.180.0070.03712.40
5.4.170.0090.04212.41
5.4.160.0060.03812.40
5.4.150.0080.04012.40
5.4.140.0050.04012.09
5.4.130.0040.03812.07
5.4.120.0080.03512.04
5.4.110.0110.03212.03
5.4.100.0050.03712.03
5.4.90.0070.04012.03
5.4.80.0090.03712.03
5.4.70.0070.03612.03
5.4.60.0070.03712.02
5.4.50.0050.03612.03
5.4.40.0040.03812.02
5.4.30.0080.03812.01
5.4.20.0100.03912.00
5.4.10.0070.03512.02
5.4.00.0060.03711.51
5.3.290.0060.04212.80
5.3.280.0130.03912.71
5.3.270.0090.04212.72
5.3.260.0070.04612.72
5.3.250.0060.04112.72
5.3.240.0050.04112.72
5.3.230.0100.03612.71
5.3.220.0080.03712.68
5.3.210.0090.03912.68
5.3.200.0060.04212.68
5.3.190.0090.03612.68
5.3.180.0080.04412.67
5.3.170.0120.04312.67
5.3.160.0090.03712.67
5.3.150.0090.03712.68
5.3.140.0080.03712.66
5.3.130.0090.04112.66
5.3.120.0070.03912.66
5.3.110.0070.04012.66
5.3.100.0090.03712.13
5.3.90.0080.03912.10
5.3.80.0070.03812.09
5.3.70.0080.04912.09
5.3.60.0080.03812.08
5.3.50.0120.04312.02
5.3.40.0060.03912.02
5.3.30.0080.03611.98
5.3.20.0080.03611.76
5.3.10.0050.03711.74
5.3.00.0060.03711.71
5.2.170.0060.0359.18
5.2.160.0070.0289.18
5.2.150.0020.0349.18
5.2.140.0080.0319.18
5.2.130.0030.0399.14
5.2.120.0030.0299.14
5.2.110.0060.0339.15
5.2.100.0050.0289.14
5.2.90.0040.0339.14
5.2.80.0090.0299.14
5.2.70.0050.0379.14
5.2.60.0060.0379.09
5.2.50.0050.0339.06
5.2.40.0100.0259.04
5.2.30.0040.0359.02
5.2.20.0050.0309.00
5.2.10.0030.0328.93
5.2.00.0050.0298.79
5.1.60.0020.0298.07
5.1.50.0060.0268.06
5.1.40.0050.0328.05
5.1.30.0050.0278.40
5.1.20.0130.0278.42
5.1.10.0090.0218.14
5.1.00.0060.0358.14
5.0.50.0050.0206.62
5.0.40.0060.0196.48
5.0.30.0060.0296.30
5.0.20.0050.0216.27
5.0.10.0030.0216.23
5.0.00.0020.0336.23
4.4.90.0060.0134.78
4.4.80.0030.0154.75
4.4.70.0060.0144.75
4.4.60.0020.0164.76
4.4.50.0060.0124.77
4.4.40.0040.0244.71
4.4.30.0030.0164.76
4.4.20.0040.0154.85
4.4.10.0040.0214.85
4.4.00.0040.0274.76
4.3.110.0050.0204.67
4.3.100.0030.0164.67
4.3.90.0020.0174.64
4.3.80.0020.0254.58
4.3.70.0030.0174.63
4.3.60.0020.0184.63
4.3.50.0040.0154.63
4.3.40.0030.0244.54
4.3.30.0020.0163.29
4.3.20.0030.0153.26
4.3.10.0020.0163.22
4.3.00.0000.0307.89

preferences:
141.5 ms | 1386 KiB | 7 Q