3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A {} class C {} $a = 'A'; $b = 'B'; var_dump($b instanceof $a); var_dump(is_subclass_of('B', '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)
8.3.60.0070.01416.48
8.3.50.0040.01118.16
8.3.40.0090.00618.57
8.3.30.0070.00718.59
8.3.20.0080.00020.77
8.3.10.0080.00021.60
8.3.00.0080.00023.66
8.2.180.0140.00318.04
8.2.170.0040.01122.96
8.2.160.0070.00720.32
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00919.48
8.2.110.0060.00322.29
8.2.100.0040.00717.59
8.2.90.0050.00317.50
8.2.80.0040.00418.71
8.2.70.0000.00817.63
8.2.60.0080.00017.50
8.2.50.0000.00818.10
8.2.40.0070.00018.98
8.2.30.0000.00719.26
8.2.20.0100.00017.99
8.2.10.0070.00019.25
8.2.00.0040.00418.03
8.1.280.0100.00325.92
8.1.270.0040.01424.66
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0070.00421.87
8.1.230.0090.00320.89
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0000.00818.62
8.1.160.0040.00418.81
8.1.150.0000.00718.89
8.1.140.0000.01018.73
8.1.130.0030.00319.94
8.1.120.0000.00717.36
8.1.110.0070.00017.34
8.1.100.0000.00717.38
8.1.90.0050.00317.38
8.1.80.0020.00517.34
8.1.70.0030.00317.42
8.1.60.0040.00717.39
8.1.50.0040.00417.45
8.1.40.0040.00417.32
8.1.30.0060.00317.59
8.1.20.0000.00917.57
8.1.10.0030.00617.48
8.1.00.0030.00517.32
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0000.00718.30
8.0.270.0030.00317.09
8.0.260.0030.00318.36
8.0.250.0000.00716.89
8.0.240.0040.00416.79
8.0.230.0070.00016.76
8.0.220.0030.00316.82
8.0.210.0040.00416.84
8.0.200.0060.00016.85
8.0.190.0030.00516.90
8.0.180.0040.00416.84
8.0.170.0000.00916.69
8.0.160.0000.00716.92
8.0.150.0000.00716.84
8.0.140.0040.00416.77
8.0.130.0030.00613.20
8.0.120.0060.00316.77
8.0.110.0000.00716.82
8.0.100.0000.00816.77
8.0.90.0040.00416.81
8.0.80.0050.01016.77
8.0.70.0080.00016.71
8.0.60.0080.00016.71
8.0.50.0000.00716.71
8.0.30.0110.01017.10
8.0.20.0140.00617.40
8.0.10.0050.00216.82
8.0.00.0130.00916.65
7.4.330.0030.00315.55
7.4.320.0030.00316.35
7.4.300.0000.00616.50
7.4.290.0030.00316.43
7.4.280.0040.00416.54
7.4.270.0070.00016.52
7.4.260.0030.00516.42
7.4.250.0080.00016.40
7.4.240.0000.00716.54
7.4.230.0030.00316.51
7.4.220.0050.00216.33
7.4.210.0080.00616.57
7.4.200.0070.00016.43
7.4.160.0060.01016.55
7.4.140.0120.00617.86
7.4.130.0030.01716.51
7.4.120.0160.00616.53
7.4.110.0090.00916.52
7.4.100.0040.01816.37
7.4.90.0080.00816.65
7.4.80.0070.01019.39
7.4.70.0090.01016.39
7.4.60.0030.01316.38
7.4.50.0100.00316.48
7.4.40.0140.00616.29
7.4.10.0060.01316.10
7.4.00.0030.01415.13
7.3.330.0030.00313.06
7.3.320.0000.00513.06
7.3.310.0030.00316.23
7.3.300.0030.00316.14
7.3.290.0030.00316.24
7.3.280.0080.00816.25
7.3.260.0070.01116.32
7.3.240.0120.00816.42
7.3.230.0080.00816.66
7.3.210.0100.00716.29
7.3.200.0120.00616.18
7.3.190.0080.00816.32
7.3.180.0080.00816.61
7.3.170.0030.01416.18
7.3.160.0100.00716.41
7.3.130.0070.01016.50
7.3.120.0090.01115.27
7.3.110.0090.00815.29
7.3.100.0070.00815.34
7.3.90.0080.00815.46
7.3.80.0070.00615.25
7.3.70.0070.00815.27
7.3.60.0100.00515.14
7.3.50.0050.00715.11
7.3.40.0040.00815.19
7.3.30.0040.01115.25
7.3.20.0040.01117.15
7.3.10.0250.00616.39
7.3.00.0380.00716.59
7.2.330.0080.00816.15
7.2.320.0100.01316.58
7.2.310.0140.00316.56
7.2.300.0170.00016.30
7.2.290.0130.00716.56
7.2.260.0000.01316.30
7.2.250.0060.01315.33
7.2.240.0080.00915.41
7.2.230.0040.00915.33
7.2.220.0050.00715.35
7.2.210.0060.00815.25
7.2.200.0080.00815.22
7.2.190.0080.00915.40
7.2.180.0040.01015.40
7.2.170.0060.00915.25
7.2.160.0050.00815.48
7.2.150.0060.00517.47
7.2.140.0050.00917.50
7.2.130.0320.01016.68
7.2.120.0370.00816.60
7.2.110.0260.00716.67
7.2.100.0240.00816.51
7.2.90.0230.00616.57
7.2.80.0270.00516.55
7.2.70.0310.00916.54
7.2.60.0240.00516.61
7.2.50.0270.00716.73
7.2.40.0240.00816.67
7.2.30.0330.00716.68
7.2.20.0370.00316.68
7.2.10.0320.00416.61
7.2.00.0450.00716.61
7.1.330.0050.00916.29
7.1.320.0060.00816.37
7.1.310.0050.00816.29
7.1.300.0050.00616.18
7.1.290.0060.00716.25
7.1.280.0020.01016.37
7.1.270.0070.00716.17
7.1.260.0050.00616.14
7.1.250.0230.00615.79
7.1.240.0020.01116.55
7.1.230.0070.00816.55
7.1.220.0050.00816.55
7.1.210.0100.00016.40
7.1.200.0050.00616.47
7.1.190.0050.00916.53
7.1.180.0020.00916.56
7.1.170.0070.00516.43
7.1.160.0070.00416.58
7.1.150.0040.00716.34
7.1.140.0020.00916.34
7.1.130.0020.01116.46
7.1.120.0060.00616.29
7.1.110.0070.00716.60
7.1.100.0050.00516.71
7.1.90.0020.00916.48
7.1.80.0060.00716.51
7.1.70.0010.00716.51
7.1.60.0030.01116.50
7.1.50.0050.00816.59
7.1.40.0040.00616.58
7.1.30.0050.00716.41
7.1.20.0090.00416.42
7.1.10.0080.00516.56
7.1.00.0070.00716.23

preferences:
51.98 ms | 400 KiB | 5 Q