3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Inter { } class A implements Inter {} class B implements Inter {} $a = new A(); $b = new B(); var_dump($a instanceof Inter); var_dump($b instanceof Inter);

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)
8.5.30.0110.00719.69
8.5.20.0100.00720.25
8.5.10.0090.01116.54
8.5.00.0090.01319.62
8.4.180.0110.01022.12
8.4.170.0120.00923.92
8.4.160.0120.00923.84
8.4.150.0080.00416.82
8.4.140.0100.01017.64
8.4.130.0120.00817.55
8.4.120.0140.00520.78
8.4.110.0110.00922.43
8.4.100.0110.01017.55
8.4.90.0140.00318.54
8.4.80.0120.00817.71
8.4.70.0140.00617.68
8.4.60.0070.00418.84
8.4.50.0100.00918.72
8.4.40.0170.00019.64
8.4.30.0030.00620.28
8.4.20.0070.01417.83
8.4.10.0090.00017.78
8.3.300.0110.01118.32
8.3.290.0120.01020.82
8.3.280.0160.00418.37
8.3.270.0110.00816.34
8.3.260.0110.00916.24
8.3.250.0120.00718.88
8.3.240.0050.00416.76
8.3.230.0110.00816.32
8.3.220.0100.00816.98
8.3.210.0160.00416.80
8.3.200.0040.00516.44
8.3.190.0100.00916.85
8.3.180.0070.01117.21
8.3.170.0000.00818.88
8.3.160.0070.01118.40
8.3.150.0110.00717.13
8.3.140.0140.00318.07
8.3.130.0090.00018.27
8.3.120.0160.00318.92
8.3.110.0080.00016.31
8.3.100.0030.00616.46
8.3.90.0070.01126.77
8.3.80.0060.00316.63
8.3.70.0120.00616.58
8.3.60.0100.00718.31
8.3.50.0090.00616.50
8.3.40.0090.00618.65
8.3.30.0070.01418.59
8.3.20.0070.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.300.0120.01117.94
8.2.290.0100.00820.57
8.2.280.0060.01418.50
8.2.270.0090.00917.46
8.2.260.0000.00816.66
8.2.250.0120.00916.38
8.2.240.0130.00718.37
8.2.230.0060.00320.94
8.2.220.0060.01324.06
8.2.210.0040.00426.77
8.2.200.0030.00616.38
8.2.190.0070.01016.58
8.2.180.0140.00725.92
8.2.170.0170.00018.89
8.2.160.0080.00522.96
8.2.150.0040.00425.66
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0080.00026.35
8.2.110.0070.00319.54
8.2.100.0120.00017.84
8.2.90.0090.00017.63
8.2.80.0060.00318.65
8.2.70.0000.00817.63
8.2.60.0000.00917.90
8.2.50.0050.00318.05
8.2.40.0000.00818.28
8.2.30.0050.00317.94
8.2.20.0000.00717.93
8.2.10.0040.00419.25
8.2.00.0080.00019.11
8.1.340.0130.00819.91
8.1.330.0100.00821.97
8.1.320.0110.00818.12
8.1.310.0070.00016.16
8.1.300.0120.00620.19
8.1.290.0090.00030.84
8.1.280.0060.01025.92
8.1.270.0050.00323.99
8.1.260.0070.00028.09
8.1.250.0000.00828.09
8.1.240.0090.00023.93
8.1.230.0090.00421.04
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0110.00017.22
8.1.180.0030.00618.10
8.1.170.0030.00618.64
8.1.160.0000.00718.88
8.1.150.0000.00718.80
8.1.140.0040.00418.79
8.1.130.0030.00320.18
8.1.120.0000.00717.49
8.1.110.0070.00017.38
8.1.100.0000.00717.35
8.1.90.0040.00417.34
8.1.80.0040.00417.45
8.1.70.0000.00717.42
8.1.60.0040.00417.46
8.1.50.0080.00317.55
8.1.40.0000.00817.41
8.1.30.0050.00317.59
8.1.20.0030.00517.60
8.1.10.0040.00417.47
8.1.00.0030.00617.57
8.0.300.0080.00018.77
8.0.290.0030.00616.63
8.0.280.0080.00018.35
8.0.270.0030.00317.99
8.0.260.0030.00318.48
8.0.250.0000.00816.95
8.0.240.0000.00817.02
8.0.230.0000.00616.90
8.0.220.0000.00716.75
8.0.210.0030.00316.77
8.0.200.0040.00416.95
8.0.190.0060.00316.84
8.0.180.0000.00816.95
8.0.170.0050.00316.79
8.0.160.0000.00716.89
8.0.150.0080.00016.84
8.0.140.0030.00616.77
8.0.130.0000.00513.31
8.0.120.0040.00716.89
8.0.110.0080.00016.80
8.0.100.0000.00716.90
8.0.90.0070.00016.80
8.0.80.0150.00316.87
8.0.70.0040.00416.75
8.0.60.0040.00416.89
8.0.50.0070.00016.75
8.0.30.0000.01716.89
8.0.20.0090.00616.86
8.0.10.0080.00817.04
8.0.00.0030.01217.01
7.4.330.0020.00215.55
7.4.320.0000.00616.43
7.4.300.0030.00316.58
7.4.290.0040.00416.38
7.4.280.0040.00416.46
7.4.270.0040.00416.57
7.4.260.0030.00313.21
7.4.250.0070.00016.47
7.4.240.0030.00316.40
7.4.230.0030.00516.58
7.4.220.0030.00416.61
7.4.210.0050.00916.52
7.4.200.0040.00416.66
7.4.160.0070.00716.55
7.4.150.0070.00716.55
7.4.140.0130.00016.55
7.4.130.0120.00316.30
7.4.120.0070.00916.61
7.4.110.0030.01216.49
7.4.100.0100.00616.43
7.4.90.0090.00616.52
7.4.80.0070.00716.36
7.4.70.0060.00916.41
7.4.60.0100.01016.35
7.4.50.0040.01116.34
7.4.40.0070.00716.38
7.4.30.0060.00916.49
7.4.20.0060.00916.32
7.4.10.0040.01116.25
7.4.00.0110.00516.52
7.3.330.0030.00316.32
7.3.320.0000.00813.20
7.3.310.0000.00716.30
7.3.300.0030.00316.12
7.3.290.0060.01216.22
7.3.270.0090.00616.20
7.3.260.0000.01316.21
7.3.250.0090.00616.14
7.3.240.0070.00716.27
7.3.230.0150.00016.14
7.3.220.0090.00616.24
7.3.210.0060.00916.10
7.3.200.0030.01016.08
7.3.190.0040.01116.25
7.3.180.0090.00616.23
7.3.170.0030.01016.22
7.3.160.0120.00316.14
7.3.150.0090.01216.10
7.3.140.0070.00716.20
7.3.130.0040.00916.22
7.3.120.0000.01416.18
7.3.110.0050.00816.10
7.3.100.0030.01016.08
7.3.90.0070.00716.37
7.3.80.0130.00316.11
7.3.70.0030.01216.24
7.3.60.0070.00716.37
7.3.50.0000.01716.41
7.3.40.0100.00716.41
7.3.30.0120.00616.38
7.3.20.0110.00416.43
7.3.10.0110.00716.36
7.3.00.0070.00716.41

preferences:
128.98 ms | 1359 KiB | 5 Q