3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Bar { class A {} } namespace Foo { class A {} } namespace Bar { use Foo\A; use Bar\A as BarA; $a = new BarA; var_dump($a); }

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)
5.4.320.0070.03612.51
5.4.310.0060.04312.50
5.4.300.0060.04312.51
5.4.290.0080.03612.51
5.4.280.0080.03512.40
5.4.270.0070.03712.40
5.4.260.0070.03812.40
5.4.250.0080.03612.40
5.4.240.0050.03712.40
5.4.230.0050.03912.39
5.4.220.0100.03612.39
5.4.210.0100.03412.39
5.4.200.0090.03512.39
5.4.190.0060.03812.39
5.4.180.0050.04012.39
5.4.170.0090.04212.40
5.4.160.0050.04112.39
5.4.150.0080.05512.39
5.4.140.0070.05512.08
5.4.130.0080.04012.07
5.4.120.0080.03712.02
5.4.110.0080.03312.02
5.4.100.0070.03412.02
5.4.90.0060.03712.02
5.4.80.0090.05012.02
5.4.70.0140.06412.02
5.4.60.0140.04412.01
5.4.50.0090.03912.01
5.4.40.0150.04612.00
5.4.30.0160.03911.99
5.4.20.0090.04912.00
5.4.10.0100.04612.00
5.4.00.0030.04211.49
5.3.290.0110.04212.80
5.3.280.0130.05112.71
5.3.270.0110.05912.73
5.3.260.0120.05512.72
5.3.250.0130.05112.71
5.3.240.0100.05212.72
5.3.230.0130.07212.71
5.3.220.0140.05912.68
5.3.210.0100.05512.68
5.3.200.0110.04112.68
5.3.190.0110.04712.68
5.3.180.0090.07112.67
5.3.170.0080.04412.67
5.3.160.0100.06312.67
5.3.150.0090.04312.67
5.3.140.0100.04112.66
5.3.130.0100.04712.66
5.3.120.0070.06312.66
5.3.110.0060.05312.66
5.3.100.0070.05112.12
5.3.90.0120.04712.09
5.3.80.0130.04412.09
5.3.70.0090.04812.09
5.3.60.0120.04512.07
5.3.50.0090.04912.02
5.3.40.0100.03812.02
5.3.30.0110.05511.98
5.3.20.0070.05211.76
5.3.10.0100.04611.72
5.3.00.0100.04811.71
5.2.170.0070.0419.18
5.2.160.0040.0359.18
5.2.150.0070.0399.18
5.2.140.0060.0349.18
5.2.130.0090.0289.14
5.2.120.0050.0329.14
5.2.110.0040.0419.15
5.2.100.0040.0299.14
5.2.90.0060.0299.14
5.2.80.0070.0289.14
5.2.70.0060.0299.14
5.2.60.0040.0329.09
5.2.50.0050.0309.06
5.2.40.0050.0309.04
5.2.30.0050.0369.01
5.2.20.0030.0409.00
5.2.10.0070.0338.93
5.2.00.0050.0358.79
5.1.60.0070.0438.07
5.1.50.0080.0218.06
5.1.40.0050.0248.05
5.1.30.0030.0298.40
5.1.20.0030.0308.42
5.1.10.0070.0268.14
5.1.00.0040.0258.14
5.0.50.0090.0176.63
5.0.40.0050.0256.48
5.0.30.0040.0306.29
5.0.20.0040.0186.27
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0010.0174.75
4.4.60.0050.0124.75
4.4.50.0040.0154.77
4.4.40.0020.0264.71
4.4.30.0050.0224.76
4.4.20.0060.0194.85
4.4.10.0040.0214.85
4.4.00.0020.0274.76
4.3.110.0040.0154.67
4.3.100.0040.0154.66
4.3.90.0030.0144.63
4.3.80.0060.0214.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0020.0254.54
4.3.30.0030.0153.28
4.3.20.0000.0193.26
4.3.10.0040.0183.21
4.3.00.0000.01718.16

preferences:
137.85 ms | 1394 KiB | 7 Q