3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { class C {} var_dump(new C); } namespace B { class C {} var_dump(new C); } namespace B { use A\C; var_dump(new C); }

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)
5.4.320.0060.03612.52
5.4.310.0060.03812.51
5.4.300.0050.03712.51
5.4.290.0070.03712.50
5.4.280.0050.03512.40
5.4.270.0060.03612.40
5.4.260.0090.03412.40
5.4.250.0070.03612.40
5.4.240.0060.03612.40
5.4.230.0060.03712.39
5.4.220.0050.03712.39
5.4.210.0050.03612.39
5.4.200.0060.04112.39
5.4.190.0070.03412.39
5.4.180.0070.03412.39
5.4.170.0070.03412.40
5.4.160.0070.03412.39
5.4.150.0050.03612.39
5.4.140.0040.03812.08
5.4.130.0070.03712.07
5.4.120.0130.04612.02
5.4.110.0050.03712.02
5.4.100.0060.03812.02
5.4.90.0060.03712.02
5.4.80.0070.03712.02
5.4.70.0090.03112.02
5.4.60.0060.03412.01
5.4.50.0020.03912.02
5.4.40.0050.03512.00
5.4.30.0040.03612.00
5.4.20.0040.03712.00
5.4.10.0040.03612.00
5.4.00.0050.03611.50
5.3.290.0080.04412.80
5.3.280.0050.03812.71
5.3.270.0040.03912.73
5.3.260.0050.03912.72
5.3.250.0030.04012.72
5.3.240.0040.04112.72
5.3.230.0010.04312.71
5.3.220.0070.03512.68
5.3.210.0060.03812.68
5.3.200.0080.03312.68
5.3.190.0090.03612.68
5.3.180.0080.03412.67
5.3.170.0070.03512.67
5.3.160.0070.03512.67
5.3.150.0060.03612.67
5.3.140.0020.04112.66
5.3.130.0060.03712.66
5.3.120.0050.03912.66
5.3.110.0060.03812.65
5.3.100.0050.03812.12
5.3.90.0030.04012.10
5.3.80.0020.03912.09
5.3.70.0050.03712.09
5.3.60.0030.04012.07
5.3.50.0030.03912.02
5.3.40.0070.03412.02
5.3.30.0050.03611.98
5.3.20.0070.03611.76
5.3.10.0070.03411.73
5.3.00.0060.03511.71
5.2.170.0050.0299.18
5.2.160.0050.0309.18
5.2.150.0030.0369.18
5.2.140.0050.0339.18
5.2.130.0040.0329.14
5.2.120.0030.0309.14
5.2.110.0050.0309.14
5.2.100.0080.0269.14
5.2.90.0030.0309.14
5.2.80.0040.0309.14
5.2.70.0040.0319.14
5.2.60.0040.0309.09
5.2.50.0040.0329.06
5.2.40.0070.0309.04
5.2.30.0040.0309.01
5.2.20.0020.0349.00
5.2.10.0060.0278.92
5.2.00.0040.0298.78
5.1.60.0040.0248.07
5.1.50.0040.0248.06
5.1.40.0030.0258.04
5.1.30.0050.0258.40
5.1.20.0080.0238.42
5.1.10.0000.0308.14
5.1.00.0030.0278.14
5.0.50.0040.0206.62
5.0.40.0010.0216.48
5.0.30.0060.0346.29
5.0.20.0020.0206.26
5.0.10.0030.0196.24
5.0.00.0040.0306.23
4.4.90.0010.0184.78
4.4.80.0020.0164.75
4.4.70.0020.0164.76
4.4.60.0030.0164.75
4.4.50.0010.0174.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0020.0164.84
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0164.66
4.3.90.0020.0154.63
4.3.80.0030.0234.58
4.3.70.0000.0174.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0060.0264.54
4.3.30.0020.0183.28
4.3.20.0010.0173.26
4.3.10.0010.0163.22
4.3.00.0000.02016.72

preferences:
150.52 ms | 1386 KiB | 7 Q