3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface SomeInterface { public function getSomeInterface() : SomeInterface; } class SomeClass implements SomeInterface { public function getSomeInterface() : SomeInterface { debug_print_backtrace(); return $this; } } $object = new SomeClass(); var_dump($object->getSomeInterface());

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)
8.3.60.0140.00716.23
8.3.50.0060.01218.05
8.3.40.0040.01118.47
8.3.30.0090.00618.71
8.3.20.0000.00820.38
8.3.10.0000.00823.61
8.3.00.0060.00319.38
8.2.180.0110.00718.26
8.2.170.0090.01222.96
8.2.160.0030.01320.53
8.2.150.0100.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00017.75
8.2.110.0000.01122.25
8.2.100.0080.00317.93
8.2.90.0000.00719.07
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00418.05
8.2.50.0030.00618.07
8.2.40.0040.00419.40
8.2.30.0000.00720.57
8.2.20.0080.00017.80
8.2.10.0040.00417.93
8.2.00.0030.00518.04
8.1.280.0090.00625.92
8.1.270.0000.00823.82
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00522.40
8.1.230.0120.00017.66
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.13
8.1.180.0000.00718.10
8.1.170.0040.00418.88
8.1.160.0040.00422.01
8.1.150.0050.00218.88
8.1.140.0080.00019.54
8.1.130.0080.00017.55
8.1.120.0070.00017.50
8.1.110.0040.00317.36
8.1.100.0000.00717.36
8.1.90.0000.00817.34
8.1.80.0040.00417.46
8.1.70.0030.00517.39
8.1.60.0050.00317.61
8.1.50.0040.00417.44
8.1.40.0080.00017.40
8.1.30.0050.00317.64
8.1.20.0040.00417.50
8.1.10.0000.00917.40
8.1.00.0040.00417.35
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0000.00818.50
8.0.270.0030.00317.29
8.0.260.0040.00417.21
8.0.250.0070.00016.89
8.0.240.0070.00016.88
8.0.230.0040.00416.97
8.0.220.0030.00316.77
8.0.210.0040.00416.92
8.0.200.0030.00316.83
8.0.190.0000.00816.82
8.0.180.0000.00816.93
8.0.170.0000.00716.94
8.0.160.0000.00716.85
8.0.150.0040.00416.78
8.0.140.0000.00716.89
8.0.130.0000.00513.36
8.0.120.0050.00316.75
8.0.110.0040.00416.78
8.0.100.0040.00416.75
8.0.90.0040.00416.88
8.0.80.0070.01016.92
8.0.70.0040.00416.70
8.0.60.0070.00016.79
8.0.50.0070.00016.68
8.0.30.0100.00617.07
8.0.20.0090.00917.40
8.0.10.0000.00816.88
8.0.00.0090.00916.71
7.4.330.0000.00815.08
7.4.320.0030.00316.52
7.4.300.0040.00416.49
7.4.290.0000.00816.51
7.4.280.0000.00816.49
7.4.270.0020.00516.49
7.4.260.0070.00316.66
7.4.250.0000.00716.43
7.4.240.0020.00516.50
7.4.230.0000.00716.49
7.4.220.0060.01016.39
7.4.210.0100.00716.51
7.4.200.0000.00716.25
7.4.160.0090.00616.57
7.4.150.0110.00717.40
7.4.140.0130.01017.86
7.4.130.0080.00916.41
7.4.120.0150.00516.47
7.4.110.0190.00716.35
7.4.100.0130.01016.30
7.4.90.0120.00616.64
7.4.80.0100.01019.39
7.4.70.0060.01016.43
7.4.60.0090.00616.69
7.4.50.0050.00316.34
7.4.40.0090.01216.30
7.4.30.0140.00616.56
7.4.00.0080.00814.70
7.3.330.0000.00613.06
7.3.320.0030.00313.23
7.3.310.0000.00716.28
7.3.300.0050.00216.19
7.3.290.0100.00816.21
7.3.280.0120.00716.27
7.3.270.0060.01217.40
7.3.260.0190.00616.33
7.3.250.0140.00216.20
7.3.240.0050.01516.12
7.3.230.0090.00916.41
7.3.210.0060.01016.14
7.3.200.0080.01516.39
7.3.190.0120.00616.15
7.3.180.0120.00316.33
7.3.170.0060.00916.27
7.3.160.0070.01416.39
7.2.330.0060.01316.45
7.2.320.0040.01316.70
7.2.310.0000.01816.55
7.2.300.0030.01316.54
7.2.290.0090.00916.31
7.2.60.0040.00916.68
7.2.00.0140.01118.94
7.1.200.0080.00415.49
7.1.100.0100.00717.81
7.1.70.0040.00417.02
7.1.60.0070.01519.43
7.1.50.0100.01317.07
7.1.00.0030.07322.28
7.0.200.0130.00814.78
7.0.60.0300.07720.06
7.0.50.0100.07717.86
7.0.40.0100.03720.40
7.0.30.0030.04720.12
7.0.20.0270.07320.24
7.0.10.0070.04020.07
7.0.00.0100.04720.15
5.6.280.0030.06721.07
5.6.210.0100.04720.73
5.6.200.0170.06018.27
5.6.190.0100.06320.52
5.6.180.0430.05720.35
5.6.170.0270.05020.43
5.6.160.0100.07720.48
5.6.150.0030.05018.20
5.6.140.0070.06018.18
5.6.130.0130.08018.15
5.6.120.0070.04021.00
5.6.110.0030.08321.14
5.6.100.0030.06721.01
5.6.90.0030.07020.97
5.6.80.0070.04020.38
5.5.350.0200.07720.37
5.5.340.0030.05317.95
5.5.330.0030.09020.59
5.5.320.0300.03720.42
5.5.310.0470.06720.21
5.5.300.0000.04317.96
5.5.290.0100.07317.99
5.5.280.0130.08320.73
5.5.270.0130.07720.74
5.5.260.0100.08320.87
5.5.250.0030.08020.61
5.5.240.0200.05320.04
5.4.450.0230.04719.62
5.4.440.0630.04719.30
5.4.430.0600.05319.45
5.4.420.0600.05019.48
5.4.410.0630.06319.34
5.4.400.0670.06018.98
5.4.390.0600.06019.25
5.4.380.0330.06019.26
5.4.370.0600.05718.84
5.4.360.0700.06019.01
5.4.350.0470.05719.29
5.4.340.0570.04018.88
5.4.320.0500.05319.01
5.4.310.0530.05019.13
5.4.300.0570.04318.87
5.4.290.0530.05019.13
5.4.280.0670.04719.01
5.4.270.0530.05318.98
5.4.260.0600.04319.14
5.4.250.0530.05019.37
5.4.240.0630.05319.05
5.4.230.0530.05318.84
5.4.220.0470.06019.22
5.4.210.0370.06319.37
5.4.200.0500.06319.25
5.4.190.0570.06319.00
5.4.180.0470.06019.14
5.4.170.0170.04719.14
5.4.160.0230.05718.99
5.4.150.0170.05319.12
5.4.140.0430.05016.31
5.4.130.0370.05316.32
5.4.120.0400.06016.53
5.4.110.0500.04316.53
5.4.100.0430.05716.60
5.4.90.0530.04716.62
5.4.80.0500.04716.20
5.4.70.0530.04716.61
5.4.60.0530.04716.61
5.4.50.0670.04316.25
5.4.40.0570.04716.59
5.4.30.0430.04316.54
5.4.20.0400.04716.42
5.4.10.0400.04716.62
5.4.00.0570.07016.00

preferences:
88.84 ms | 400 KiB | 5 Q