3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {}; class Bar extends Foo {}; function testClass($class=Foo::class) { $reflection = new ReflectionClass($class); return $class->isSubclassOf(Foo::class); } var_dump(testClass(), 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)
8.3.60.0070.01116.61
8.3.50.0120.00822.15
8.3.40.0000.01418.84
8.3.30.0110.00418.85
8.3.20.0070.01120.30
8.3.10.0000.00821.98
8.3.00.0150.00017.93
8.2.180.0150.00016.88
8.2.170.0140.00322.96
8.2.160.0080.00520.40
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0120.00626.16
8.2.120.0050.00517.50
8.2.110.0060.00321.03
8.2.100.0040.00817.84
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0000.00917.62
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00419.19
8.2.30.0000.00819.78
8.2.20.0060.00317.68
8.2.10.0040.00417.97
8.2.00.0000.00817.92
8.1.280.0060.00825.92
8.1.270.0080.00022.00
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0000.00822.02
8.1.230.0070.00318.99
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0030.00617.35
8.1.180.0040.00518.10
8.1.170.0060.00318.59
8.1.160.0000.00721.88
8.1.150.0050.00318.74
8.1.140.0080.00017.35
8.1.130.0000.00717.51
8.1.120.0040.00417.39
8.1.110.0000.00717.36
8.1.100.0030.00617.40
8.1.90.0040.00317.34
8.1.80.0030.00517.29
8.1.70.0000.00717.45
8.1.60.0050.00317.56
8.1.50.0040.00417.54
8.1.40.0000.00817.49
8.1.30.0030.00617.54
8.1.20.0000.00817.61
8.1.10.0050.00317.45
8.1.00.0030.00617.54
8.0.300.0000.00720.38
8.0.290.0040.00416.75
8.0.280.0040.00418.29
8.0.270.0050.00217.11
8.0.260.0030.00617.07
8.0.250.0040.00416.89
8.0.240.0030.00316.98
8.0.230.0040.00416.97
8.0.220.0030.00316.82
8.0.210.0000.00716.89
8.0.200.0030.00316.96
8.0.190.0030.00316.96
8.0.180.0030.00516.92
8.0.170.0040.00416.75
8.0.160.0070.00016.89
8.0.150.0050.00216.89
8.0.140.0070.00016.85
8.0.130.0000.00913.29
8.0.120.0000.00816.75
8.0.110.0040.00416.76
8.0.100.0000.00816.88
8.0.90.0040.00316.99
8.0.80.0120.00316.88
8.0.70.0000.00716.85
8.0.60.0050.00316.90
8.0.50.0070.00016.86
8.0.30.0100.00516.92
8.0.20.0100.00817.40
8.0.10.0060.00316.99
8.0.00.0100.01016.74
7.4.330.0000.00515.08
7.4.320.0060.00016.43
7.4.300.0060.00016.45
7.4.290.0000.00816.51
7.4.280.0060.00316.58
7.4.270.0000.00716.50
7.4.260.0030.00516.56
7.4.250.0000.00816.57
7.4.240.0000.00816.54
7.4.230.0000.00716.70
7.4.220.0070.01116.70
7.4.210.0080.00716.49
7.4.200.0000.00716.41
7.4.160.0100.00616.37
7.4.150.0140.00317.40
7.4.140.0110.00717.86
7.4.130.0070.01016.47
7.4.120.0070.01016.55
7.4.110.0120.00616.41
7.4.100.0150.01016.64
7.4.90.0070.01016.54
7.4.80.0100.00719.39
7.4.70.0080.00916.43
7.4.60.0070.01016.43
7.4.50.0040.00416.54
7.4.40.0070.01116.43
7.4.30.0100.01316.50
7.4.00.0030.01015.06
7.3.330.0000.00713.08
7.3.320.0020.00313.16
7.3.310.0040.00416.11
7.3.300.0000.00716.17
7.3.290.0070.00016.34
7.3.280.0140.00616.27
7.3.270.0040.01517.40
7.3.260.0120.01216.34
7.3.250.0050.01216.41
7.3.240.0140.00416.31
7.3.230.0030.02016.39
7.3.210.0110.00716.25
7.3.200.0040.01616.43
7.3.190.0090.00616.58
7.3.180.0160.00016.25
7.3.170.0120.00416.52
7.3.160.0030.01416.46
7.3.10.0100.00616.25
7.3.00.0070.00716.33
7.2.330.0110.00616.55
7.2.320.0150.00316.57
7.2.310.0080.01116.71
7.2.300.0080.00816.38
7.2.290.0090.00916.37
7.2.130.0070.01516.05
7.2.120.0060.00916.68
7.2.110.0100.00716.31
7.2.100.0190.00416.40
7.2.90.0000.01616.55
7.2.80.0030.01316.85
7.2.70.0170.01016.41
7.2.60.0090.00516.54
7.2.50.0040.01316.34
7.2.40.0060.01216.61
7.2.30.0100.01016.37
7.2.20.0120.01416.42
7.2.10.0120.00616.46
7.2.00.0090.00918.12
7.1.250.0130.00015.30
7.1.200.0160.00415.15
7.1.100.0000.01117.99
7.1.70.0070.00017.16
7.1.60.0030.01719.27
7.1.50.0090.01216.97
7.1.00.0030.07322.51
7.0.200.0000.00916.88
7.0.60.0030.05319.90
7.0.50.0030.04017.91
7.0.40.0030.06320.20
7.0.30.0370.07320.21
7.0.20.0230.06720.09
7.0.10.0100.08020.24
7.0.00.0030.07320.22
5.6.210.0100.06720.56
5.6.200.0000.07018.27
5.6.190.0100.06320.45
5.6.180.3270.04020.55
5.6.170.0270.03720.47
5.6.160.0070.07320.44
5.6.150.0100.03718.19
5.6.140.0070.07318.21
5.6.130.0030.04318.19
5.6.120.0030.08021.13
5.6.110.0200.07020.97
5.6.100.0070.05321.06
5.6.90.0100.07020.97
5.6.80.0030.04020.39
5.6.70.3330.03320.37
5.5.350.0100.08020.36
5.5.340.0030.04718.09
5.5.330.0030.07320.32
5.5.320.0300.07020.51
5.5.310.0270.04320.27
5.5.300.0130.04718.04
5.5.290.0130.03718.04
5.5.280.0170.06320.88
5.5.270.0000.08720.73
5.5.260.0070.06720.84
5.5.250.0070.03720.78
5.5.240.0130.04320.19
5.4.450.0630.05319.32
5.4.440.0630.06019.56
5.4.430.0600.06719.47
5.4.420.0630.06019.56
5.4.410.0700.05719.07
5.4.400.0630.05718.85
5.4.390.0530.06019.28
5.4.380.0730.04719.38
5.4.370.0600.05719.14
5.4.360.0670.05319.14
5.4.350.0770.04719.06
5.4.340.0630.05719.23
5.4.320.0670.05718.84
5.4.310.0670.05718.88
5.4.300.0600.06018.83
5.4.290.0530.05719.14
5.4.280.0700.05319.15
5.4.270.0670.05319.15
5.4.260.0670.05318.84
5.4.250.0770.04319.03
5.4.240.0670.05019.25
5.4.230.0500.06019.38
5.4.220.0600.05319.09
5.4.210.0600.05719.26
5.4.200.0530.06019.35
5.4.190.0530.05319.24
5.4.180.0570.05319.00
5.4.170.0600.05319.25
5.4.160.0630.05319.26
5.4.150.0600.06019.04
5.4.140.0500.05716.49
5.4.130.0670.04316.46
5.4.120.0570.05716.59
5.4.110.0630.05316.66
5.4.100.0670.04716.48
5.4.90.0630.04716.58
5.4.80.0670.04716.46
5.4.70.0070.04716.55
5.4.60.0170.04316.52
5.4.50.0130.04016.55
5.4.40.0270.05316.60
5.4.30.0070.07016.25
5.4.20.0400.06016.47

preferences:
50.13 ms | 401 KiB | 5 Q