3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A {} class B implements A {} class C {} var_dump(in_array(A::class, class_implements(A::class))); var_dump(in_array(A::class, class_implements(B::class))); var_dump(in_array(A::class, class_implements(C::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)
8.3.80.0030.00617.97
8.3.70.0180.00416.50
8.3.60.0140.00718.55
8.3.50.0090.00624.51
8.3.40.0000.01618.57
8.3.30.0160.00318.73
8.3.20.0060.00920.76
8.3.10.0030.01020.38
8.3.00.0000.00720.61
8.2.200.0030.00616.38
8.2.190.0160.00316.63
8.2.180.0220.00016.32
8.2.170.0100.01022.96
8.2.160.0070.01022.08
8.2.150.0030.00624.18
8.2.140.0070.01124.66
8.2.130.0070.00026.16
8.2.120.0080.00026.35
8.2.110.0030.00722.30
8.2.100.0090.00319.45
8.2.90.0070.00419.09
8.2.80.0090.00017.97
8.2.70.0030.00517.37
8.2.60.0070.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00417.85
8.2.30.0030.00518.03
8.2.20.0040.00417.82
8.2.10.0070.00020.63
8.2.00.0040.00419.07
8.1.290.0090.00018.88
8.1.280.0150.00725.92
8.1.270.0090.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00017.36
8.1.230.0070.00418.87
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0050.00317.23
8.1.180.0030.00518.10
8.1.170.0040.00418.84
8.1.160.0070.00018.83
8.1.150.0000.00718.69
8.1.140.0040.00422.10
8.1.130.0030.00320.11
8.1.120.0030.00317.38
8.1.110.0040.00417.38
8.1.100.0000.00717.28
8.1.90.0100.00017.29
8.1.80.0040.00417.29
8.1.70.0000.00717.27
8.1.60.0080.00017.41
8.1.50.0000.00917.34
8.1.40.0000.00817.48
8.1.30.0080.00017.64
8.1.20.0000.00717.54
8.1.10.0040.00417.39
8.1.00.0050.00317.27
8.0.300.0090.00018.77
8.0.290.0060.00316.58
8.0.280.0000.00718.29
8.0.270.0070.00017.19
8.0.260.0060.00019.95
8.0.250.0030.00316.86
8.0.240.0030.00316.87
8.0.230.0040.00416.76
8.0.220.0040.00416.82
8.0.210.0040.00416.82
8.0.200.0030.00316.91
8.0.190.0030.00416.88
8.0.180.0000.00816.78
8.0.170.0030.00516.79
8.0.160.0000.00816.86
8.0.150.0070.00016.78
8.0.140.0030.00416.77
8.0.130.0000.00613.32
8.0.120.0070.00016.81
8.0.110.0030.00516.69
8.0.100.0070.00016.87
8.0.90.0040.00416.64
8.0.80.0070.00716.89
8.0.70.0040.00416.82
8.0.60.0040.00416.70
8.0.50.0030.00516.81
8.0.30.0070.01417.04
8.0.20.0130.00616.92
8.0.10.0040.00416.93
8.0.00.0110.00616.79
7.4.330.0030.00315.55
7.4.320.0040.00416.48
7.4.300.0000.00716.44
7.4.290.0040.00416.43
7.4.280.0040.00416.37
7.4.270.0000.00616.52
7.4.260.0000.00513.20
7.4.250.0040.00416.41
7.4.240.0040.00416.53
7.4.230.0000.00716.61
7.4.220.0000.00716.54
7.4.210.0070.00816.56
7.4.200.0030.00516.28
7.4.140.0120.00917.86
7.4.130.0130.00516.40
7.4.120.0070.01416.29
7.4.110.0070.01016.42
7.4.100.0090.00916.46
7.4.90.0090.00916.38
7.4.80.0070.01019.39
7.4.70.0140.00716.53
7.4.60.0100.00616.37
7.4.50.0040.01116.14
7.4.40.0060.00916.49
7.4.00.0090.00814.94
7.3.330.0030.00316.14
7.3.320.0060.00013.11
7.3.310.0030.00316.03
7.3.300.0060.00016.21
7.3.290.0050.00916.11
7.3.280.0120.00316.19
7.3.260.0150.00416.33
7.3.240.0100.00916.43
7.3.230.0180.00016.34
7.3.210.0080.01116.27
7.3.200.0000.01516.31
7.3.190.0070.01116.38
7.3.180.0100.01316.20
7.3.170.0080.01316.28
7.3.160.0030.01216.24
7.3.120.0090.00814.76
7.3.110.0150.00214.90
7.3.100.0060.01014.52
7.3.90.0070.00614.71
7.3.80.0050.00514.77
7.3.70.0090.00414.73
7.3.60.0070.00514.61
7.3.50.0050.00714.52
7.3.40.0070.00614.76
7.3.30.0040.01014.69
7.3.20.0100.00315.59
7.3.10.0120.00515.53
7.3.00.0050.01115.40
7.2.330.0150.00316.39
7.2.320.0100.00816.50
7.2.310.0130.00716.54
7.2.300.0090.01216.39
7.2.290.0030.01216.50
7.2.250.0050.01414.77
7.2.240.0090.00714.94
7.2.230.0030.01214.74
7.2.220.0050.00814.84
7.2.210.0070.00614.82
7.2.200.0050.00914.95
7.2.190.0070.00814.81
7.2.180.0050.00914.80
7.2.170.0060.00914.91
7.1.330.0070.01014.59
7.1.320.0070.00614.45
7.1.310.0080.00514.69
7.1.300.0060.01214.65
7.1.290.0030.00914.51
7.1.280.0100.00414.78
7.1.270.0080.00814.65
7.1.260.0110.00414.73

preferences:
28.31 ms | 401 KiB | 5 Q