3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} class_alias('Foo', '\\'); var_dump(new '\\');

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)
5.4.320.0050.04312.51
5.4.310.0050.03712.51
5.4.300.0080.03912.51
5.4.290.0070.03712.51
5.4.280.0070.04212.40
5.4.270.0050.03812.40
5.4.260.0070.05012.41
5.4.250.0070.03812.41
5.4.240.0090.03312.40
5.4.230.0060.03712.40
5.4.220.0090.03612.39
5.4.210.0060.03912.39
5.4.200.0030.03912.40
5.4.190.0060.03912.39
5.4.180.0070.03412.39
5.4.170.0050.03612.40
5.4.160.0070.03312.39
5.4.150.0030.04012.39
5.4.140.0070.03512.09
5.4.130.0080.04212.07
5.4.120.0060.03312.03
5.4.110.0070.03412.03
5.4.100.0040.03612.03
5.4.90.0080.03312.02
5.4.80.0070.03512.02
5.4.70.0040.03712.02
5.4.60.0060.04212.02
5.4.50.0100.03712.02
5.4.40.0080.03712.01
5.4.30.0060.04312.00
5.4.20.0080.03512.00
5.4.10.0050.03412.00
5.4.00.0070.05011.49
5.3.290.0060.04612.80
5.3.280.0020.04312.71
5.3.270.0100.04512.72
5.3.260.0060.04312.72
5.3.250.0040.03812.72
5.3.240.0050.04912.72
5.3.230.0110.03812.70
5.3.220.0090.04412.68
5.3.210.0080.04312.68
5.3.200.0070.03412.68
5.3.190.0110.03512.68
5.3.180.0100.03112.68
5.3.170.0060.03512.67
5.3.160.0050.03812.67
5.3.150.0080.04012.68
5.3.140.0070.03412.66
5.3.130.0110.03512.66
5.3.120.0080.03612.66
5.3.110.0030.04112.66
5.3.100.0070.03512.12
5.3.90.0060.03612.10
5.3.80.0040.04012.09
5.3.70.0050.03612.09
5.3.60.0100.04012.08
5.3.50.0080.03912.02
5.3.40.0080.03412.02
5.3.30.0030.03811.98
5.3.20.0050.03611.78
5.3.10.0060.03511.73
5.3.00.0030.03811.71
5.2.170.0040.0329.22
5.2.160.0060.0269.22
5.2.150.0050.0299.21
5.2.140.0060.0369.21
5.2.130.0060.0279.18
5.2.120.0040.0289.18
5.2.110.0040.0299.18
5.2.100.0030.0299.17
5.2.90.0050.0349.18
5.2.80.0050.0359.17
5.2.70.0050.0479.17
5.2.60.0020.0329.13
5.2.50.0030.0319.09
5.2.40.0050.0339.07
5.2.30.0070.0359.04
5.2.20.0080.0409.04
5.2.10.0080.0318.94
5.2.00.0050.0288.80
5.1.60.0060.0318.09
5.1.50.0070.0298.08
5.1.40.0040.0248.06
5.1.30.0070.0248.41
5.1.20.0040.0268.43
5.1.10.0070.0238.16
5.1.00.0040.0318.16
5.0.50.0040.0246.64
5.0.40.0020.0216.50
5.0.30.0040.0386.31
5.0.20.0060.0256.27
5.0.10.0020.0206.26
5.0.00.0000.0336.25
4.4.90.0010.0174.77
4.4.80.0020.0164.76
4.4.70.0030.0184.75
4.4.60.0020.0164.75
4.4.50.0060.0194.77
4.4.40.0050.0354.71
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0010.0344.75
4.3.110.0040.0204.66
4.3.100.0040.0184.67
4.3.90.0020.0144.63
4.3.80.0020.0254.58
4.3.70.0020.0254.63
4.3.60.0050.0194.63
4.3.50.0050.0124.63
4.3.40.0030.0234.54
4.3.30.0010.0173.30
4.3.20.0020.0163.28
4.3.10.0010.0163.23
4.3.00.0000.02014.87

preferences:
141.15 ms | 1394 KiB | 7 Q