3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { abstract function M(A $a); } class C extends A { function M(C $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)
5.4.320.0070.04112.51
5.4.310.0050.03812.50
5.4.300.0110.03212.52
5.4.290.0060.03812.51
5.4.280.0110.03312.41
5.4.270.0110.03712.40
5.4.260.0100.04412.40
5.4.250.0100.03912.41
5.4.240.0080.03412.40
5.4.230.0120.03712.39
5.4.220.0080.03812.40
5.4.210.0090.03412.39
5.4.200.0080.04412.40
5.4.190.0120.03512.39
5.4.180.0120.03512.39
5.4.170.0080.04412.40
5.4.160.0100.03112.40
5.4.150.0090.04112.39
5.4.140.0050.04212.08
5.4.130.0090.03912.07
5.4.120.0040.04112.03
5.4.110.0100.03412.02
5.4.100.0080.03712.02
5.4.90.0060.03812.02
5.4.80.0070.03812.02
5.4.70.0060.03612.02
5.4.60.0050.03812.02
5.4.50.0030.03812.02
5.4.40.0090.04312.00
5.4.30.0070.05012.00
5.4.20.0060.04012.00
5.4.10.0090.03812.01
5.4.00.0030.04311.50
5.3.290.0080.04812.80
5.3.280.0050.03912.71
5.3.270.0040.04412.72
5.3.260.0110.04112.72
5.3.250.0070.04312.72
5.3.240.0040.04412.72
5.3.230.0100.04312.71
5.3.220.0060.04412.68
5.3.210.0100.04312.68
5.3.200.0080.04112.68
5.3.190.0050.03812.68
5.3.180.0050.04012.67
5.3.170.0060.04912.66
5.3.160.0050.03812.67
5.3.150.0080.03612.68
5.3.140.0050.03712.66
5.3.130.0060.03912.66
5.3.120.0060.03812.66
5.3.110.0040.04012.66
5.3.100.0060.03812.13
5.3.90.0070.03412.11
5.3.80.0060.03512.09
5.3.70.0030.03812.09
5.3.60.0050.04012.08
5.3.50.0070.03812.03
5.3.40.0060.03912.03
5.3.30.0070.03711.99
5.3.20.0080.03611.77
5.3.10.0080.03611.73
5.3.00.0070.05011.72
5.2.170.0020.0329.22
5.2.160.0060.0299.23
5.2.150.0040.0319.22
5.2.140.0050.0309.22
5.2.130.0060.0289.19
5.2.120.0040.0289.18
5.2.110.0100.0239.19
5.2.100.0030.0309.18
5.2.90.0050.0299.18
5.2.80.0070.0289.18
5.2.70.0040.0309.18
5.2.60.0070.0319.13
5.2.50.0050.0299.10
5.2.40.0070.0269.07
5.2.30.0030.0339.05
5.2.20.0040.0299.04
5.2.10.0050.0288.95
5.2.00.0040.0298.81
5.1.60.0040.0288.10
5.1.50.0030.0268.09
5.1.40.0030.0258.07
5.1.30.0000.0308.42
5.1.20.0030.0278.45
5.1.10.0010.0298.17
5.1.00.0050.0258.17
5.0.50.0030.0226.64
5.0.40.0060.0176.50
5.0.30.0030.0346.32
5.0.20.0030.0206.28
5.0.10.0040.0256.26
5.0.00.0030.0396.25
4.4.90.0060.0194.78
4.4.80.0030.0214.75
4.4.70.0030.0164.75
4.4.60.0030.0154.75
4.4.50.0050.0134.77
4.4.40.0040.0244.71
4.4.30.0050.0134.76
4.4.20.0030.0154.85
4.4.10.0000.0224.85
4.4.00.0030.0324.76
4.3.110.0010.0174.67
4.3.100.0040.0144.66
4.3.90.0020.0154.63
4.3.80.0020.0254.59
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0020.0164.62
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0050.0143.21
4.3.00.0070.01318.23

preferences:
141 ms | 1394 KiB | 7 Q