3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($a, $a){ echo ($a + $a), PHP_EOL; } test('qwer', 'asdf');

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)
5.6.280.0070.08720.91
5.6.210.0000.06720.47
5.6.200.0070.06018.25
5.6.190.0070.05720.46
5.6.180.0200.08320.61
5.6.170.0370.07720.54
5.6.160.0070.04020.61
5.6.150.0130.03318.14
5.6.140.0170.06718.18
5.6.130.0100.08018.17
5.6.120.0070.07720.99
5.6.110.0070.07020.95
5.6.100.0230.06720.98
5.6.90.0100.08020.89
5.6.80.0070.08020.41
5.6.70.3730.04720.40
5.5.350.0200.07720.42
5.5.340.0070.05018.14
5.5.330.0030.04320.35
5.5.320.0330.08020.52
5.5.310.0300.08020.34
5.5.300.0030.04018.03
5.5.290.0100.04317.99
5.5.280.0030.04320.77
5.5.270.0030.08320.68
5.5.260.0000.04320.77
5.5.250.0100.07720.67
5.5.240.0300.06720.26
5.4.450.0530.04319.41
5.4.440.0200.04019.39
5.4.430.0300.04019.54
5.4.420.0370.04319.41
5.4.410.0130.03719.39
5.4.400.0070.03319.25
5.4.390.0170.04319.32
5.4.380.0300.06018.76
5.4.370.0070.06718.48
5.4.360.0130.05718.80
5.4.350.0230.05318.79
5.4.340.0270.05018.81
5.4.320.0050.03912.50
5.4.310.0090.03912.50
5.4.300.0080.03612.51
5.4.290.0070.05212.50
5.4.280.0080.04212.40
5.4.270.0060.03612.40
5.4.260.0060.03812.40
5.4.250.0010.04212.39
5.4.240.0050.03812.40
5.4.230.0040.03912.39
5.4.220.0050.03812.39
5.4.210.0030.03812.39
5.4.200.0060.03812.39
5.4.190.0090.04212.39
5.4.180.0110.04712.38
5.4.170.0040.03912.39
5.4.160.0070.03512.39
5.4.150.0040.05012.39
5.4.140.0060.05112.07
5.4.130.0050.03812.06
5.4.120.0070.03612.02
5.4.110.0070.05112.01
5.4.100.0060.03712.02
5.4.90.0030.04012.01
5.4.80.0080.03412.02
5.4.70.0060.04012.01
5.4.60.0070.03412.00
5.4.50.0090.03312.01
5.4.40.0060.03512.00
5.4.30.0050.03612.00
5.4.20.0070.03512.00
5.4.10.0040.03712.00
5.4.00.0050.03711.48
5.3.290.0060.03912.80
5.3.280.0100.03512.71
5.3.270.0070.04112.72
5.3.260.0070.03812.72
5.3.250.0090.03512.72
5.3.240.0100.03612.72
5.3.230.0060.03812.71
5.3.220.0060.03712.68
5.3.210.0030.04212.68
5.3.200.0070.03612.68
5.3.190.0070.03712.68
5.3.180.0050.05212.68
5.3.170.0080.03512.67
5.3.160.0080.03812.67
5.3.150.0100.03812.68
5.3.140.0070.03712.66
5.3.130.0070.03812.66
5.3.120.0060.03812.65
5.3.110.0070.04212.66
5.3.100.0050.03812.11
5.3.90.0040.03912.10
5.3.80.0060.03712.09
5.3.70.0070.03512.09
5.3.60.0100.04112.08
5.3.50.0070.03512.02
5.3.40.0080.03512.01
5.3.30.0030.03811.98
5.3.20.0080.03311.76
5.3.10.0080.03211.73
5.3.00.0080.03511.71
5.2.170.0110.0369.21
5.2.160.0070.0289.22
5.2.150.0070.0289.21
5.2.140.0070.0279.21
5.2.130.0040.0299.17
5.2.120.0040.0319.17
5.2.110.0050.0299.17
5.2.100.0040.0289.17
5.2.90.0050.0289.17
5.2.80.0070.0289.17
5.2.70.0050.0309.16
5.2.60.0050.0299.13
5.2.50.0040.0309.09
5.2.40.0040.0319.07
5.2.30.0060.0309.04
5.2.20.0040.0429.03
5.2.10.0030.0308.94
5.2.00.0050.0298.79
5.1.60.0020.0278.08
5.1.50.0050.0248.07
5.1.40.0040.0258.06
5.1.30.0030.0288.41
5.1.20.0040.0268.43
5.1.10.0050.0258.15
5.1.00.0060.0248.15
5.0.50.0020.0226.63
5.0.40.0040.0196.50
5.0.30.0040.0306.30
5.0.20.0030.0206.27
5.0.10.0020.0216.26
5.0.00.0030.0316.25
4.4.90.0040.0164.78
4.4.80.0030.0164.76
4.4.70.0040.0154.75
4.4.60.0020.0164.75
4.4.50.0000.0184.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0050.0144.85
4.4.10.0020.0164.85
4.4.00.0040.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.67
4.3.90.0040.0134.63
4.3.80.0020.0254.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0040.0234.54
4.3.30.0030.0153.30
4.3.20.0010.0173.28
4.3.10.0020.0163.24
4.3.00.0030.01018.16

preferences:
141.11 ms | 1394 KiB | 7 Q