3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test {} class A extends Test {} $test = new A(); var_dump(is_subclass_of($test, 'Test'));

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)
8.3.60.0100.01316.50
8.3.50.0090.00617.93
8.3.40.0070.00718.62
8.3.30.0040.01118.64
8.3.20.0030.00618.60
8.3.10.0050.00221.69
8.3.00.0040.00421.68
8.2.180.0120.00318.31
8.2.170.0180.00022.96
8.2.160.0140.00421.91
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00019.77
8.2.120.0070.00026.35
8.2.110.0040.00722.25
8.2.100.0120.00017.58
8.2.90.0030.00617.78
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0060.00318.10
8.2.40.0030.00620.61
8.2.30.0040.00421.04
8.2.20.0050.00317.89
8.2.10.0050.00217.99
8.2.00.0040.00417.52
8.1.280.0090.00625.92
8.1.270.0080.00021.87
8.1.260.0050.00228.09
8.1.250.0000.00828.09
8.1.240.0060.00322.34
8.1.230.0070.00420.91
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0090.00017.10
8.1.180.0060.00318.10
8.1.170.0050.00318.36
8.1.160.0040.00423.95
8.1.150.0030.00320.17
8.1.140.0030.00519.57
8.1.130.0030.00317.63
8.1.120.0040.00417.45
8.1.110.0030.00517.27
8.1.100.0000.00717.45
8.1.90.0040.00317.38
8.1.80.0070.00017.41
8.1.70.0070.00017.27
8.1.60.0000.00817.45
8.1.50.0080.00017.35
8.1.40.0020.00517.34
8.1.30.0000.00917.65
8.1.20.0000.00717.49
8.1.10.0000.00817.38
8.1.00.0000.01017.46
8.0.300.0070.00019.91
8.0.290.0000.00816.75
8.0.280.0070.00018.49
8.0.270.0030.00617.20
8.0.260.0060.00017.18
8.0.250.0040.00416.78
8.0.240.0070.00016.77
8.0.230.0020.00516.79
8.0.220.0050.00216.83
8.0.210.0000.00716.72
8.0.200.0060.00016.89
8.0.190.0000.00716.88
8.0.180.0030.00316.84
8.0.170.0050.00216.89
8.0.160.0030.00516.88
8.0.150.0030.00316.82
8.0.140.0000.01016.78
8.0.130.0060.00013.18
8.0.120.0040.00416.68
8.0.110.0000.00816.82
8.0.100.0000.00816.76
8.0.90.0000.00716.72
8.0.80.0160.00716.71
8.0.70.0000.00716.65
8.0.60.0000.00716.86
8.0.50.0040.00316.61
8.0.30.0130.00516.91
8.0.20.0080.01017.40
8.0.10.0060.00316.89
8.0.00.0090.01216.90
7.4.330.0000.00515.55
7.4.320.0030.00316.43
7.4.300.0000.00616.50
7.4.290.0030.00316.33
7.4.280.0000.00816.52
7.4.270.0040.00416.56
7.4.260.0070.00016.51
7.4.250.0030.00316.32
7.4.240.0040.00416.40
7.4.230.0070.00016.51
7.4.220.0190.00616.47
7.4.210.0030.01716.48
7.4.200.0040.00416.53
7.4.160.0070.00816.36
7.4.150.0150.00417.40
7.4.140.0110.00817.86
7.4.130.0100.01016.42
7.4.120.0140.00616.40
7.4.110.0120.00416.52
7.4.100.0090.00916.40
7.4.90.0100.00716.39
7.4.80.0060.01019.39
7.4.70.0090.00916.34
7.4.60.0130.00316.38
7.4.50.0060.00916.01
7.4.40.0070.01116.58
7.4.30.0090.00916.51
7.4.00.0060.00614.98
7.3.330.0060.00013.19
7.3.320.0000.00613.03
7.3.310.0070.00016.16
7.3.300.0000.00716.10
7.3.290.0090.00616.16
7.3.280.0110.00716.14
7.3.270.0110.00617.40
7.3.260.0080.01016.17
7.3.250.0070.01116.12
7.3.240.0020.01516.17
7.3.230.0120.00616.39
7.3.210.0180.00016.20
7.3.200.0070.01016.50
7.3.190.0100.00616.34
7.3.180.0070.01016.21
7.3.170.0060.01516.39
7.3.160.0140.00316.20
7.2.330.0110.00716.58
7.2.320.0060.01216.21
7.2.310.0140.00316.20
7.2.300.0090.01216.54
7.2.290.0000.01716.53
7.2.60.0110.00416.68
7.2.50.0060.00616.54
7.2.00.0060.00619.27
7.1.200.0070.00615.83
7.1.70.0000.00817.25
7.1.60.0070.00317.29
7.1.00.0100.06722.35
7.0.200.0100.01014.88
7.0.120.0070.05722.10
7.0.110.0130.06022.07
7.0.100.0070.05322.09
7.0.90.0130.05722.05
7.0.80.0130.04722.11
7.0.70.0070.05322.04
7.0.60.0000.06022.07
7.0.50.0000.06722.12
7.0.40.0070.07722.03
7.0.30.0030.08022.06
7.0.20.0130.05021.98
7.0.10.0000.06022.05
7.0.00.0000.06021.98
5.6.270.0070.06020.97
5.6.260.0130.05020.88
5.6.250.0070.05321.02
5.6.240.0070.06320.83
5.6.230.0100.05721.02
5.6.220.0100.06020.85
5.6.210.0070.05320.89
5.6.200.0070.05720.99
5.6.190.0170.06720.93
5.6.180.0130.05321.00
5.6.170.0070.07320.99
5.6.160.0000.06020.98
5.6.150.0000.07320.85
5.6.140.0100.06320.93
5.6.130.0070.06020.79
5.6.120.0070.06020.82
5.6.110.0170.05320.74
5.6.100.0070.06020.81
5.6.90.0030.06020.76
5.6.80.0100.07020.40
5.6.70.0130.05720.39
5.6.60.0070.07720.38
5.6.50.0030.05720.39
5.6.40.0070.05320.37
5.6.30.0170.06720.29
5.6.20.0230.06320.17
5.6.10.0100.07320.44
5.6.00.0170.06020.14

preferences:
76.63 ms | 401 KiB | 5 Q