3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I1{} class baz implements I1{ } class foo extends baz implements I1 { } class bar extends foo implements I1{} print_r(class_implements(new bar));

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)
8.3.60.0100.01016.75
8.3.50.0160.00319.66
8.3.40.0130.00720.32
8.3.30.0140.00018.38
8.3.20.0140.00324.18
8.3.10.0080.00824.66
8.3.00.0090.00026.16
8.2.180.0070.01125.92
8.2.170.0090.00618.93
8.2.160.0130.00722.96
8.2.150.0050.00325.66
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0070.00026.16
8.2.110.0060.00322.11
8.2.100.0060.00617.74
8.2.90.0040.00419.14
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0060.00317.50
8.2.50.0040.00418.04
8.2.40.0040.00417.62
8.2.30.0030.00517.57
8.2.20.0020.00518.08
8.2.10.0000.00718.66
8.2.00.0040.00419.15
8.1.280.0120.00925.92
8.1.270.0090.00023.85
8.1.260.0000.01026.35
8.1.250.0050.00328.09
8.1.240.0000.01022.34
8.1.230.0040.00718.88
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.09
8.1.180.0060.00318.10
8.1.170.0000.00717.62
8.1.160.0000.00718.90
8.1.150.0040.00418.63
8.1.140.0000.00717.48
8.1.130.0000.00718.73
8.1.120.0020.00517.28
8.1.110.0090.00017.26
8.1.100.0070.00017.27
8.1.90.0030.00317.30
8.1.80.0040.00417.35
8.1.70.0000.00817.30
8.1.60.0060.00317.40
8.1.50.0000.00817.41
8.1.40.0000.00817.46
8.1.30.0030.00617.47
8.1.20.0050.00317.57
8.1.10.0030.00517.43
8.1.00.0070.00017.36
8.0.300.0040.00418.77
8.0.290.0090.00016.63
8.0.280.0050.00318.10
8.0.270.0050.00316.84
8.0.260.0000.00618.45
8.0.250.0030.00316.98
8.0.240.0060.00016.94
8.0.230.0000.00716.92
8.0.220.0060.00016.73
8.0.210.0000.00716.85
8.0.200.0030.00316.77
8.0.190.0060.00316.86
8.0.180.0080.00016.82
8.0.170.0040.00416.77
8.0.160.0000.00816.70
8.0.150.0030.00316.71
8.0.140.0040.00416.80
8.0.130.0030.00313.33
8.0.120.0050.00516.81
8.0.110.0040.00416.69
8.0.100.0040.00416.83
8.0.90.0040.00416.88
8.0.80.0000.00816.80
8.0.70.0000.00716.80
8.0.60.0000.00716.80
8.0.50.0030.00316.85
8.0.30.0030.00316.62
8.0.20.0070.00016.66
8.0.10.0040.00416.84
8.0.00.0040.00416.98
7.4.330.0000.00515.55
7.4.320.0030.00316.56
7.4.300.0040.00416.44
7.4.290.0040.00416.35
7.4.280.0000.00816.49
7.4.270.0000.00816.52
7.4.260.0050.00013.25
7.4.250.0000.00716.38
7.4.240.0040.00416.63
7.4.230.0050.00216.43
7.4.220.0000.00816.22
7.4.210.0040.00416.45
7.4.200.0030.00316.45
7.4.190.0040.00416.61
7.4.180.0070.00016.53
7.4.160.0030.00316.58
7.4.150.0050.00316.55
7.4.140.0060.00016.25
7.4.130.0030.00316.42
7.4.120.0070.00016.23
7.4.110.0070.00016.42
7.4.100.0000.00716.43
7.4.90.0040.00416.35
7.4.80.0030.00316.07
7.4.70.0060.00016.36
7.4.60.0000.00716.19
7.4.50.0070.00016.13
7.4.40.0000.00716.34
7.4.30.0030.00316.19
7.4.20.0070.00016.20
7.4.10.0070.00016.36
7.4.00.0000.00616.48
7.3.330.0080.00016.27
7.3.320.0000.00513.09
7.3.310.0060.00016.23
7.3.300.0030.00316.22
7.3.290.0000.00716.11
7.3.280.0000.00616.28
7.3.270.0000.00616.25
7.3.260.0000.00616.28
7.3.250.0050.00316.22
7.3.240.0030.00516.20
7.3.230.0040.00416.12
7.3.220.0040.00416.12
7.3.210.0000.00716.09
7.3.200.0070.00016.18
7.3.190.0070.00016.22
7.3.180.0000.00816.18
7.3.170.0040.00416.13
7.3.160.0070.00016.05
7.3.150.0040.00416.04
7.3.140.0020.00516.12
7.3.130.0030.00316.22
7.3.120.0000.00616.09
7.3.110.0000.00716.05
7.3.100.0050.00215.97
7.3.90.0060.00016.39
7.3.80.0050.00216.09
7.3.70.0030.00316.25
7.3.60.0030.00316.29
7.3.50.0000.00716.23
7.3.40.0030.00316.37
7.3.30.0030.00316.31
7.3.20.0030.00318.17
7.3.10.0030.00317.98
7.3.00.0000.00718.01

preferences:
29.94 ms | 400 KiB | 5 Q