3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface NewI {} class_alias('NewI', 'OldI'); class C1 implements NewI {} class C2 implements OldI {} function fn(NewI) { echo "New: Success!\n"; } function fo(OldI) { echo "Old: Success!\n"; } fn(new C1); fn(new C2); fo(new C1); fo(new C2);

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)
5.4.320.0040.03812.52
5.4.310.0060.03712.52
5.4.300.0050.03812.52
5.4.290.0060.04812.52
5.4.280.0080.03912.41
5.4.270.0090.03612.41
5.4.260.0060.03912.41
5.4.250.0100.03612.41
5.4.240.0080.03612.41
5.4.230.0050.04512.40
5.4.220.0060.04112.40
5.4.210.0080.04912.40
5.4.200.0060.04512.41
5.4.190.0100.04512.40
5.4.180.0090.03512.40
5.4.170.0070.03712.40
5.4.160.0040.03812.40
5.4.150.0050.03812.39
5.4.140.0060.03812.09
5.4.130.0030.03812.07
5.4.120.0080.04812.03
5.4.110.0040.03912.03
5.4.100.0040.03712.03
5.4.90.0060.04512.03
5.4.80.0080.03512.03
5.4.70.0100.03212.03
5.4.60.0060.03512.02
5.4.50.0050.04212.03
5.4.40.0040.03612.01
5.4.30.0100.04012.01
5.4.20.0050.04112.01
5.4.10.0070.04512.01
5.4.00.0110.03811.50
5.3.290.0090.05012.80
5.3.280.0070.05812.71
5.3.270.0060.03912.72
5.3.260.0070.03912.72
5.3.250.0130.03312.72
5.3.240.0080.05012.72
5.3.230.0070.03712.71
5.3.220.0130.04612.68
5.3.210.0090.04112.68
5.3.200.0070.03812.68
5.3.190.0070.04412.68
5.3.180.0040.03712.68
5.3.170.0070.04612.67
5.3.160.0060.04312.67
5.3.150.0090.03712.67
5.3.140.0080.03712.66
5.3.130.0130.03812.66
5.3.120.0070.05212.66
5.3.110.0070.03712.66
5.3.100.0050.05012.13
5.3.90.0110.03912.11
5.3.80.0060.04412.09
5.3.70.0080.03612.09
5.3.60.0080.03512.08
5.3.50.0060.03712.03
5.3.40.0040.04212.03
5.3.30.0050.03611.99
5.3.20.0130.03611.77
5.3.10.0050.05311.74
5.3.00.0080.04111.72
5.2.170.0060.0399.22
5.2.160.0040.0299.22
5.2.150.0040.0359.22
5.2.140.0030.0389.22
5.2.130.0040.0309.18
5.2.120.0060.0269.18
5.2.110.0040.0309.19
5.2.100.0050.0299.18
5.2.90.0060.0289.18
5.2.80.0070.0309.18
5.2.70.0050.0329.18
5.2.60.0020.0359.13
5.2.50.0060.0389.10
5.2.40.0060.0299.07
5.2.30.0060.0319.05
5.2.20.0020.0319.04
5.2.10.0040.0298.95
5.2.00.0030.0338.81
5.1.60.0030.0328.09
5.1.50.0050.0298.09
5.1.40.0060.0338.07
5.1.30.0030.0328.42
5.1.20.0030.0338.44
5.1.10.0050.0278.17
5.1.00.0030.0268.17
5.0.50.0060.0256.64
5.0.40.0060.0176.51
5.0.30.0060.0356.32
5.0.20.0020.0216.28
5.0.10.0020.0216.27
5.0.00.0050.0296.26
4.4.90.0000.0184.77
4.4.80.0020.0154.75
4.4.70.0030.0174.76
4.4.60.0030.0164.76
4.4.50.0030.0174.77
4.4.40.0020.0264.71
4.4.30.0040.0214.76
4.4.20.0040.0224.84
4.4.10.0050.0144.85
4.4.00.0020.0314.76
4.3.110.0040.0154.67
4.3.100.0020.0164.66
4.3.90.0010.0164.64
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.53
4.3.30.0040.0183.28
4.3.20.0030.0153.26
4.3.10.0040.0133.22
4.3.00.0000.02315.97

preferences:
140.09 ms | 1394 KiB | 7 Q