3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A {} $c = new B(); var_dump(get_class($c) !== A::class); var_dump(! $c instanceof 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)
8.5.30.0090.00921.01
8.5.20.0090.00820.01
8.5.10.0100.00916.67
8.5.00.0140.00819.97
8.4.180.0110.01319.76
8.4.170.0130.00823.79
8.4.160.0120.00923.64
8.4.150.0030.00014.05
8.4.140.0140.00717.24
8.4.130.0120.00817.78
8.4.120.0090.01120.81
8.4.110.0130.00722.55
8.4.100.0150.00617.73
8.4.90.0070.00217.65
8.4.80.0110.00817.86
8.4.70.0130.00717.77
8.4.60.0120.00820.50
8.4.50.0120.00817.71
8.4.40.0110.00717.58
8.4.30.0130.00718.87
8.4.20.0070.00419.62
8.4.10.0080.00019.46
8.3.300.0110.01020.62
8.3.290.0120.00820.75
8.3.280.0110.00818.43
8.3.270.0100.01016.56
8.3.260.0120.00816.63
8.3.250.0100.00919.05
8.3.240.0090.01016.57
8.3.230.0130.00716.52
8.3.220.0110.00516.98
8.3.210.0090.01016.84
8.3.200.0150.00616.66
8.3.190.0080.00717.18
8.3.180.0030.00516.73
8.3.170.0110.00720.92
8.3.160.0090.00916.97
8.3.150.0070.00417.10
8.3.140.0150.00316.39
8.3.130.0000.00916.45
8.3.120.0090.00020.82
8.3.110.0030.00616.79
8.3.100.0130.00618.29
8.3.90.0060.00326.77
8.3.80.0090.00018.43
8.3.70.0290.00616.58
8.3.60.0280.00316.58
8.3.50.0040.01116.58
8.3.40.0210.00319.13
8.3.30.0180.00718.85
8.3.20.0190.00617.25
8.3.10.0190.00517.22
8.3.00.0250.00016.88
8.2.300.0120.00817.98
8.2.290.0080.00620.72
8.2.280.0040.00418.61
8.2.270.0060.01317.14
8.2.260.0120.00618.50
8.2.250.0100.00716.63
8.2.240.0080.00016.97
8.2.230.0030.00620.94
8.2.220.0080.00824.06
8.2.210.0160.00326.77
8.2.200.0060.00318.25
8.2.190.0230.00518.20
8.2.180.0210.00318.00
8.2.170.0190.00617.63
8.2.160.0160.00917.11
8.2.150.0210.00617.25
8.2.140.0280.00418.93
8.2.130.0160.01317.25
8.2.120.0240.00818.95
8.2.110.0190.01517.13
8.2.100.0250.00017.23
8.2.90.0210.00317.50
8.2.80.0170.00817.00
8.2.70.0200.00417.38
8.2.60.0180.00917.38
8.2.50.0230.00017.38
8.2.40.0210.00017.25
8.2.30.0200.00317.38
8.2.20.0230.00017.50
8.2.10.0230.00517.25
8.2.00.0190.00617.46
8.1.340.0080.01221.80
8.1.330.0110.00516.80
8.1.320.0130.00619.91
8.1.310.0090.00616.73
8.1.300.0120.00616.61
8.1.290.0070.00330.84
8.1.280.0220.00316.58
8.1.270.0230.00317.25
8.1.260.0240.00617.00
8.1.250.0240.00017.00
8.1.240.0120.01216.88
8.1.230.0140.00917.13
8.1.220.0170.00717.00
8.1.210.0110.01117.13
8.1.200.0130.00817.00
8.1.190.0200.00316.88
8.1.180.0190.00716.99
8.1.170.0200.00917.00
8.1.160.0140.01117.13
8.1.150.0210.00417.12
8.1.140.0190.00816.88
8.1.130.0200.00617.10
8.1.120.0180.00717.00
8.1.110.0210.00017.00
8.1.100.0140.00816.98
8.1.90.0150.00817.13
8.1.80.0220.00017.09
8.1.70.0240.00017.00
8.1.60.0260.00017.00
8.1.50.0200.00317.11
8.1.40.0190.00617.00
8.1.30.0150.01117.13
8.1.20.0170.00817.35
8.1.10.0140.00917.13
8.1.00.0180.00617.00

preferences:
85.54 ms | 403 KiB | 5 Q