3v4l.org

run code in 300+ PHP versions simultaneously
<?php function Test($x=1,$x=1) { echo ($x + $x); } echo Test(2);

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)
5.6.280.0070.06721.03
5.6.210.0130.06720.55
5.6.200.0170.05318.18
5.6.190.0070.04320.61
5.6.180.0230.03320.61
5.6.170.0300.06720.42
5.6.160.0200.04320.57
5.6.150.0000.04318.12
5.6.140.0030.04018.21
5.6.130.0030.06318.14
5.6.120.0030.04321.01
5.6.110.0030.04021.09
5.6.100.0130.08020.96
5.6.90.0070.09021.14
5.6.80.0100.05720.53
5.5.350.0230.08020.30
5.5.340.0130.07317.94
5.5.330.0070.08320.40
5.5.320.0300.07720.25
5.5.310.0170.05020.51
5.5.300.0130.04717.93
5.5.290.0100.08018.00
5.5.280.0070.05720.90
5.5.270.0100.08320.77
5.5.260.0070.05720.97
5.5.250.0170.07320.46
5.5.240.0030.06020.04
5.4.450.0670.06019.61
5.4.440.0830.05719.65
5.4.430.0770.05719.43
5.4.420.0770.05719.64
5.4.410.0100.05318.96
5.4.400.0230.05318.76
5.4.390.0400.06718.79
5.4.380.0070.05318.50
5.4.370.0030.05718.51
5.4.360.0100.03718.69
5.4.350.0100.04112.02
5.4.340.0060.03812.01
5.4.320.0080.03912.50
5.4.310.0030.04112.50
5.4.300.0070.03812.50
5.4.290.0070.04112.50
5.4.280.0080.03712.40
5.4.270.0040.03812.40
5.4.260.0040.04012.40
5.4.250.0060.03712.40
5.4.240.0060.03712.40
5.4.230.0070.03712.39
5.4.220.0050.03612.39
5.4.210.0090.03212.39
5.4.200.0080.04612.39
5.4.190.0060.03812.39
5.4.180.0030.03812.39
5.4.170.0050.03712.40
5.4.160.0100.06112.39
5.4.150.0080.03612.39
5.4.140.0110.03412.07
5.4.130.0140.05112.06
5.4.120.0090.03212.02
5.4.110.0060.03512.01
5.4.100.0090.03212.01
5.4.90.0050.03712.01
5.4.80.0050.03712.01
5.4.70.0020.03912.00
5.4.60.0070.03912.01
5.4.50.0040.04512.01
5.4.40.0060.03812.00
5.4.30.0070.03412.00
5.4.20.0060.03511.99
5.4.10.0040.03611.99
5.4.00.0040.03811.48
5.3.290.0050.04012.80
5.3.280.0070.04012.70
5.3.270.0120.03612.72
5.3.260.0030.04512.71
5.3.250.0060.04012.72
5.3.240.0080.04212.72
5.3.230.0090.03712.71
5.3.220.0030.04112.68
5.3.210.0080.04112.68
5.3.200.0110.03112.68
5.3.190.0070.03512.68
5.3.180.0070.03812.68
5.3.170.0060.03612.67
5.3.160.0100.03512.67
5.3.150.0060.04112.67
5.3.140.0090.03512.66
5.3.130.0080.04612.66
5.3.120.0090.03612.66
5.3.110.0060.04312.65
5.3.100.0040.03912.11
5.3.90.0070.03512.10
5.3.80.0090.03412.08
5.3.70.0090.04112.08
5.3.60.0080.03812.07
5.3.50.0080.03512.01
5.3.40.0050.03712.02
5.3.30.0060.03611.97
5.3.20.0030.03711.76
5.3.10.0070.03811.73
5.3.00.0070.04611.71
5.2.170.0050.0309.21
5.2.160.0060.0279.21
5.2.150.0090.0329.21
5.2.140.0040.0329.21
5.2.130.0020.0329.16
5.2.120.0070.0339.16
5.2.110.0060.0309.17
5.2.100.0040.0369.17
5.2.90.0050.0289.17
5.2.80.0060.0319.16
5.2.70.0040.0389.16
5.2.60.0070.0369.13
5.2.50.0030.0349.09
5.2.40.0100.0259.07
5.2.30.0060.0289.04
5.2.20.0030.0309.04
5.2.10.0080.0308.94
5.2.00.0070.0318.79
5.1.60.0050.0268.08
5.1.50.0080.0208.07
5.1.40.0030.0258.06
5.1.30.0060.0258.41
5.1.20.0050.0278.43
5.1.10.0020.0318.15
5.1.00.0090.0308.15
5.0.50.0040.0266.63
5.0.40.0040.0186.50
5.0.30.0050.0296.30
5.0.20.0030.0206.28
5.0.10.0060.0176.25
5.0.00.0030.0326.25
4.4.90.0030.0194.78
4.4.80.0010.0214.75
4.4.70.0030.0184.75
4.4.60.0030.0174.76
4.4.50.0020.0174.77
4.4.40.0010.0264.71
4.4.30.0020.0164.76
4.4.20.0040.0174.84
4.4.10.0030.0164.84
4.4.00.0060.0214.76
4.3.110.0030.0184.67
4.3.100.0040.0164.67
4.3.90.0020.0154.63
4.3.80.0040.0274.58
4.3.70.0020.0174.63
4.3.60.0040.0154.63
4.3.50.0030.0174.63
4.3.40.0030.0334.54
4.3.30.0020.0153.30
4.3.20.0010.0163.27
4.3.10.0020.0153.23
4.3.00.0170.0207.12

preferences:
145.77 ms | 1386 KiB | 7 Q