3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} class Bar extends Foo {} class Baz {} $foo = new Foo; $bar = new Bar; $baz = new Baz; var_dump([ !($bar instanceof 'Foo'), !('Bar' instanceof 'Foo'), !($baz instanceof $foo), ]);

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)
5.4.320.0050.04212.51
5.4.310.0060.03712.51
5.4.300.0050.03712.52
5.4.290.0040.03912.51
5.4.280.0040.03612.40
5.4.270.0080.03912.40
5.4.260.0080.04112.40
5.4.250.0070.03612.40
5.4.240.0040.03812.41
5.4.230.0070.04312.39
5.4.220.0070.03512.39
5.4.210.0060.03512.39
5.4.200.0070.03612.40
5.4.190.0050.03612.39
5.4.180.0040.03712.39
5.4.170.0040.03712.40
5.4.160.0060.03612.39
5.4.150.0090.03712.39
5.4.140.0040.04112.08
5.4.130.0070.03412.07
5.4.120.0050.03612.03
5.4.110.0060.04112.02
5.4.100.0060.03412.03
5.4.90.0060.03612.03
5.4.80.0040.03812.02
5.4.70.0070.03312.02
5.4.60.0060.03512.02
5.4.50.0050.03512.02
5.4.40.0040.03612.01
5.4.30.0030.03812.01
5.4.20.0060.03412.00
5.4.10.0050.03512.00
5.4.00.0050.03611.50
5.3.290.0060.04512.80
5.3.280.0070.03812.71
5.3.270.0060.03912.72
5.3.260.0100.03712.72
5.3.250.0060.03812.72
5.3.240.0050.03712.72
5.3.230.0020.04112.71
5.3.220.0050.03712.68
5.3.210.0050.04012.68
5.3.200.0070.03512.68
5.3.190.0050.03812.68
5.3.180.0070.03512.67
5.3.170.0040.03912.67
5.3.160.0050.03712.67
5.3.150.0060.04012.68
5.3.140.0080.03712.66
5.3.130.0060.04912.66
5.3.120.0070.03812.66
5.3.110.0020.04312.66
5.3.100.0090.03512.12
5.3.90.0050.03612.11
5.3.80.0030.03812.09
5.3.70.0030.03912.09
5.3.60.0070.03712.08
5.3.50.0080.04312.03
5.3.40.0070.03512.02
5.3.30.0080.03611.98
5.3.20.0070.03311.77
5.3.10.0070.04211.73
5.3.00.0090.04011.71
5.2.170.0040.0359.22
5.2.160.0090.0289.22
5.2.150.0070.0319.22
5.2.140.0040.0319.22
5.2.130.0020.0319.18
5.2.120.0050.0279.18
5.2.110.0060.0319.18
5.2.100.0060.0269.18
5.2.90.0070.0279.18
5.2.80.0110.0329.17
5.2.70.0080.0369.18
5.2.60.0040.0319.13
5.2.50.0050.0309.10
5.2.40.0030.0309.07
5.2.30.0040.0309.05
5.2.20.0040.0289.04
5.2.10.0020.0308.94
5.2.00.0050.0298.81
5.1.60.0040.0248.09
5.1.50.0060.0338.08
5.1.40.0040.0258.07
5.1.30.0040.0258.41
5.1.20.0020.0298.44
5.1.10.0070.0248.17
5.1.00.0020.0278.16
5.0.50.0040.0206.64
5.0.40.0020.0216.50
5.0.30.0020.0326.32
5.0.20.0030.0206.28
5.0.10.0050.0186.25
5.0.00.0030.0316.25
4.4.90.0010.0174.78
4.4.80.0010.0164.76
4.4.70.0040.0144.76
4.4.60.0010.0174.75
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0030.0194.76
4.4.20.0020.0164.85
4.4.10.0070.0114.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0050.0124.66
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0000.0174.63
4.3.50.0030.0154.63
4.3.40.0030.0234.53
4.3.30.0010.0173.30
4.3.20.0010.0173.29
4.3.10.0010.0163.23
4.3.00.0000.0236.98

preferences:
169.32 ms | 1398 KiB | 7 Q