3v4l.org

run code in 300+ PHP versions simultaneously
<?php test1 = -2 ** 3; test2 = -2 ** 3; var_dump(test1); var_dump(test2);

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)
5.4.310.0060.04212.49
5.4.300.0100.03212.49
5.4.290.0060.03712.50
5.4.280.0050.03812.39
5.4.270.0070.03612.39
5.4.260.0030.03912.39
5.4.250.0050.03812.39
5.4.240.0020.03912.39
5.4.230.0030.04212.38
5.4.220.0080.03412.38
5.4.210.0040.03812.38
5.4.200.0090.03512.38
5.4.190.0050.03812.38
5.4.180.0030.03812.38
5.4.170.0080.03412.38
5.4.160.0080.03512.38
5.4.150.0050.03712.38
5.4.140.0040.04012.07
5.4.130.0050.03712.05
5.4.120.0040.03612.02
5.4.110.0070.04112.01
5.4.100.0060.03512.01
5.4.90.0040.03912.01
5.4.80.0080.03512.01
5.4.70.0060.04112.01
5.4.60.0090.03312.01
5.4.50.0090.03212.00
5.4.40.0090.03312.00
5.4.30.0080.03411.99
5.4.20.0030.03811.99
5.4.10.0070.03511.99
5.4.00.0070.03511.48
5.3.280.0070.03612.71
5.3.270.0070.03712.72
5.3.260.0060.03812.72
5.3.250.0080.04112.71
5.3.240.0080.04612.72
5.3.230.0050.03712.71
5.3.220.0070.04112.68
5.3.210.0080.03612.68
5.3.200.0060.03612.68
5.3.190.0080.03612.67
5.3.180.0070.03512.67
5.3.170.0110.03512.67
5.3.160.0040.03812.67
5.3.150.0080.03412.67
5.3.140.0080.04112.66
5.3.130.0080.04112.66
5.3.120.0090.03812.66
5.3.110.0060.03812.66
5.3.100.0030.04012.12
5.3.90.0060.03612.08
5.3.80.0060.03512.08
5.3.70.0070.03912.07
5.3.60.0080.03412.06
5.3.50.0060.03612.00
5.3.40.0040.03912.00
5.3.30.0060.04011.95
5.3.20.0060.03511.72
5.3.10.0070.03211.70
5.3.00.0060.03511.68
5.2.170.0070.0279.18
5.2.160.0050.0279.18
5.2.150.0050.0329.18
5.2.140.0060.0299.18
5.2.130.0050.0309.14
5.2.120.0050.0339.14
5.2.110.0030.0319.14
5.2.100.0050.0279.14
5.2.90.0080.0349.14
5.2.80.0050.0349.14
5.2.70.0050.0299.14
5.2.60.0050.0369.09
5.2.50.0030.0339.06
5.2.40.0030.0309.03
5.2.30.0030.0329.02
5.2.20.0070.0339.00
5.2.10.0040.0298.92
5.2.00.0060.0278.79
5.1.60.0010.0288.07
5.1.50.0020.0318.07
5.1.40.0020.0268.04
5.1.30.0030.0278.40
5.1.20.0070.0308.41
5.1.10.0070.0258.14
5.1.00.0030.0278.14
5.0.50.0040.0236.62
5.0.40.0020.0216.47
5.0.30.0040.0306.29
5.0.20.0050.0176.27
5.0.10.0050.0196.24
5.0.00.0010.0346.23
4.4.90.0030.0154.78
4.4.80.0040.0214.75
4.4.70.0020.0184.75
4.4.60.0030.0184.76
4.4.50.0060.0134.77
4.4.40.0020.0284.71
4.4.30.0060.0174.75
4.4.20.0040.0144.84
4.4.10.0040.0184.85
4.4.00.0040.0254.76
4.3.110.0040.0244.66
4.3.100.0050.0234.66
4.3.90.0030.0164.63
4.3.80.0030.0294.58
4.3.70.0040.0144.63
4.3.60.0030.0154.63
4.3.50.0040.0184.63
4.3.40.0030.0254.54
4.3.30.0020.0173.28
4.3.20.0050.0153.26
4.3.10.0010.0173.22
4.3.00.0030.01715.29

preferences:
189.36 ms | 1394 KiB | 7 Q