3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {}; class Bar extends Foo {}; function testClass($class) { $reflection = new ReflectionClass($class); return $reflection->isSubclassOf(Foo::class) || ($reflection->getName() == (new ReflectionClass(Foo::class))->getName()); }; var_dump($testClass(Foo::class), $testClass(Bar::class));

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)
8.3.60.0150.00318.30
8.3.50.0070.01221.07
8.3.40.0090.00618.82
8.3.30.0140.00718.89
8.3.20.0070.00720.34
8.3.10.0070.00021.76
8.3.00.0040.00418.05
8.2.180.0040.01518.29
8.2.170.0110.00422.96
8.2.160.0070.01420.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00717.50
8.2.110.0100.00020.29
8.2.100.0160.00017.84
8.2.90.0000.00817.78
8.2.80.0000.00819.12
8.2.70.0030.00517.92
8.2.60.0080.00018.04
8.2.50.0030.00718.10
8.2.40.0070.00020.48
8.2.30.0070.00019.78
8.2.20.0000.00717.57
8.2.10.0000.00717.93
8.2.00.0000.00718.06
8.1.280.0120.00325.92
8.1.270.0030.00620.24
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.88
8.1.230.0080.00422.82
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0040.00417.22
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0030.00518.51
8.1.160.0040.00422.07
8.1.150.0070.00018.70
8.1.140.0090.00017.38
8.1.130.0070.00017.59
8.1.120.0070.00017.36
8.1.110.0000.00817.38
8.1.100.0030.00317.38
8.1.90.0040.00417.36
8.1.80.0070.00017.29
8.1.70.0040.00417.39
8.1.60.0060.00317.50
8.1.50.0030.00617.34
8.1.40.0040.00417.52
8.1.30.0050.00317.58
8.1.20.0000.00917.57
8.1.10.0050.00317.57
8.1.00.0040.00417.47
8.0.300.0000.00720.20
8.0.290.0040.00416.75
8.0.280.0000.00718.26
8.0.270.0030.00317.12
8.0.260.0070.00317.21
8.0.250.0050.00216.98
8.0.240.0000.00716.98
8.0.230.0000.00716.93
8.0.220.0030.00316.75
8.0.210.0000.00716.86
8.0.200.0000.00716.93
8.0.190.0060.00316.96
8.0.180.0040.00416.78
8.0.170.0030.00616.93
8.0.160.0000.00716.78
8.0.150.0000.00716.81
8.0.140.0050.00216.77
8.0.130.0030.00313.29
8.0.120.0050.00216.72
8.0.110.0040.00416.91
8.0.100.0080.00016.77
8.0.90.0040.00416.71
8.0.80.0100.00716.92
8.0.70.0000.00716.86
8.0.60.0000.00816.86
8.0.50.0030.00516.72
8.0.30.0070.01416.94
8.0.20.0130.00817.40
8.0.10.0040.00416.84
8.0.00.0110.00716.68
7.4.330.0060.00015.09
7.4.320.0000.00616.53
7.4.300.0000.00716.53
7.4.290.0000.00716.57
7.4.280.0070.00016.59
7.4.270.0000.00716.62
7.4.260.0000.00716.59
7.4.250.0000.00816.57
7.4.240.0000.00816.50
7.4.230.0040.00216.64
7.4.220.0070.01016.54
7.4.210.0070.01216.52
7.4.200.0030.00316.26
7.4.160.0080.00816.59
7.4.150.0090.00917.40
7.4.140.0150.00417.86
7.4.130.0130.00416.64
7.4.120.0050.01216.40
7.4.110.0090.00916.54
7.4.100.0070.01516.45
7.4.90.0070.01016.46
7.4.80.0130.01019.39
7.4.70.0130.00316.59
7.4.60.0030.01416.38
7.4.50.0000.00816.43
7.4.40.0100.00716.68
7.4.30.0070.01416.41
7.4.00.0110.00814.76
7.3.330.0060.00013.29
7.3.320.0030.00313.26
7.3.310.0000.00716.30
7.3.300.0030.00316.26
7.3.290.0080.00716.27
7.3.280.0100.00816.31
7.3.270.0120.00617.40
7.3.260.0070.01016.37
7.3.250.0130.00416.38
7.3.240.0100.01016.57
7.3.230.0120.00616.39
7.3.210.0100.00616.30
7.3.200.0100.00716.66
7.3.190.0120.00616.36
7.3.180.0070.01116.22
7.3.170.0120.00316.30
7.3.160.0100.00616.37
7.3.120.0040.01215.01
7.3.110.0060.01514.82
7.3.100.0000.01414.83
7.3.90.0030.00614.84
7.3.80.0060.00314.79
7.3.70.0030.00914.71
7.3.60.0060.00314.60
7.3.50.0030.01114.80
7.3.40.0080.00614.75
7.3.30.0040.00814.83
7.3.20.0120.00016.74
7.3.10.0070.01116.43
7.3.00.0080.00316.39
7.2.330.0150.00316.41
7.2.320.0070.01016.41
7.2.310.0140.00316.60
7.2.300.0030.01416.51
7.2.290.0070.00816.39
7.2.250.0100.00714.98
7.2.240.0040.01414.41
7.2.230.0080.00814.66
7.2.220.0030.01014.75
7.2.210.0060.00915.04
7.2.200.0130.00714.71
7.2.190.0060.00914.99
7.2.180.0060.01014.75
7.2.170.0060.01214.58
7.2.60.0070.00716.42
7.2.00.0000.01219.45
7.1.330.0030.01415.88
7.1.320.0060.00615.38
7.1.310.0120.00315.34
7.1.300.0080.00415.52
7.1.290.0100.00315.66
7.1.280.0000.00915.68
7.1.270.0040.00815.48
7.1.260.0030.01015.71
7.1.200.0090.00015.68
7.1.100.0060.00617.95
7.1.70.0000.00717.00
7.1.60.0000.01619.27
7.1.50.0030.01716.96
7.1.00.0030.07322.28
7.0.200.0000.00816.69
7.0.60.0070.08019.82
7.0.50.0000.09017.88
7.0.40.0070.08320.27
7.0.30.0270.07020.07
7.0.20.0230.07720.05
7.0.10.0130.05020.20
7.0.00.0230.07020.09
5.6.280.0030.05720.91
5.6.210.0100.07320.46
5.6.200.0070.04018.28
5.6.190.0030.04320.47
5.6.180.2200.04020.50
5.6.170.0200.05020.46
5.6.160.0070.06020.48
5.6.150.0030.08318.15
5.6.140.0030.04018.23
5.6.130.0170.07018.14
5.6.120.0130.07721.02
5.6.110.0130.05320.99
5.6.100.0030.04020.98
5.6.90.0070.04721.08
5.6.80.0070.04320.38
5.6.70.4270.04020.52
5.5.350.0030.08320.50
5.5.340.0170.07018.05
5.5.330.0200.07320.21
5.5.320.0330.07020.32
5.5.310.0330.06720.41
5.5.300.0100.06318.07
5.5.290.0100.07717.98
5.5.280.0070.04320.80
5.5.270.0030.07320.80
5.5.260.0030.05020.79
5.5.250.0100.07020.68
5.5.240.0070.03720.19
5.4.450.0500.06019.69
5.4.440.0530.05719.47
5.4.430.0600.04719.45
5.4.420.0530.05719.68
5.4.410.0500.05719.44
5.4.400.0500.06019.06
5.4.390.0600.05019.36
5.4.380.0730.04718.88
5.4.370.0600.05019.15
5.4.360.0500.06019.27
5.4.350.0570.05719.28
5.4.340.0530.06019.02
5.4.320.0600.05019.27
5.4.310.0530.05318.84
5.4.300.0530.05318.97
5.4.290.0670.05019.24
5.4.280.0570.05319.12
5.4.270.0530.05319.09
5.4.260.0470.06318.84
5.4.250.0800.06018.96
5.4.240.0500.06019.14
5.4.230.0630.04318.96
5.4.220.0600.05018.83
5.4.210.0570.05319.25
5.4.200.0500.05718.96
5.4.190.0500.05719.23
5.4.180.0570.05318.83
5.4.170.0600.05019.12
5.4.160.0570.05719.22
5.4.150.0570.05319.24
5.4.140.0730.04716.50
5.4.130.0600.04316.61
5.4.120.0500.05316.36
5.4.110.0570.05016.50
5.4.100.0470.05716.63
5.4.90.0700.04716.63
5.4.80.0770.04016.66
5.4.70.0000.04716.60
5.4.60.0170.03716.54
5.4.50.0000.08316.55
5.4.40.0300.06016.25
5.4.30.0070.06716.22
5.4.20.0400.05716.33

preferences:
55.34 ms | 401 KiB | 5 Q