3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('display_errors', '1'); error_reporting(E_ALL | E_STRICT); error_reporting(-1); interface DupaInterface { function __construct(D2 $dupa); } class Dupa implements DupaInterface { function __construct($dupa = null) {} }

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)
8.3.70.0110.01116.63
8.3.60.0090.00618.05
8.3.50.0120.00517.13
8.3.40.0180.00018.55
8.3.30.0070.00718.46
8.3.20.0070.00021.91
8.3.10.0000.00820.51
8.3.00.0050.00320.69
8.2.190.0080.00816.63
8.2.180.0120.00618.18
8.2.170.0100.00722.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00422.25
8.2.100.0000.01120.34
8.2.90.0040.00419.64
8.2.80.0030.00619.28
8.2.70.0030.00617.77
8.2.60.0000.00718.09
8.2.50.0080.00018.10
8.2.40.0050.00219.23
8.2.30.0070.00019.11
8.2.20.0070.00018.09
8.2.10.0000.00819.18
8.2.00.0040.00419.18
8.1.280.0100.01025.92
8.1.270.0050.00220.70
8.1.260.0000.00726.35
8.1.250.0030.00628.09
8.1.240.0030.00622.03
8.1.230.0060.00620.90
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.12
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0030.00520.84
8.1.160.0040.00418.89
8.1.150.0050.00318.72
8.1.140.0000.00721.95
8.1.130.0030.00320.08
8.1.120.0040.00317.29
8.1.110.0000.00817.26
8.1.100.0040.00417.41
8.1.90.0040.00417.41
8.1.80.0030.00617.38
8.1.70.0030.00317.39
8.1.60.0040.00417.51
8.1.50.0040.00417.48
8.1.40.0000.00817.46
8.1.30.0040.00417.59
8.1.20.0000.01017.44
8.1.10.0050.00317.42
8.1.00.0100.00317.24
8.0.300.0040.00419.62
8.0.290.0080.00016.75
8.0.280.0030.00318.29
8.0.270.0030.00317.04
8.0.260.0000.00720.00
8.0.250.0030.00316.85
8.0.240.0070.00016.88
8.0.230.0030.00316.85
8.0.220.0030.00316.84
8.0.210.0020.00516.73
8.0.200.0040.00416.92
8.0.190.0060.00316.80
8.0.180.0040.00416.75
8.0.170.0090.00016.84
8.0.160.0070.00016.89
8.0.150.0000.00716.80
8.0.140.0030.00316.71
8.0.130.0000.00613.25
8.0.120.0000.00816.67
8.0.110.0000.00716.65
8.0.100.0050.00216.70
8.0.90.0040.00416.81
8.0.80.0130.00116.79
8.0.70.0050.00316.66
8.0.60.0030.00516.77
8.0.50.0030.00616.71
8.0.30.0030.01516.98
8.0.20.0130.00617.29
8.0.10.0040.00416.89
8.0.00.0140.00716.70
7.4.330.0060.00015.55
7.4.320.0000.00716.45
7.4.300.0030.00316.52
7.4.290.0050.00216.44
7.4.280.0040.00416.33
7.4.270.0030.00316.36
7.4.260.0030.00313.20
7.4.250.0040.00416.50
7.4.240.0020.00616.44
7.4.230.0030.00316.59
7.4.220.0050.00216.40
7.4.210.0050.01016.49
7.4.200.0000.00716.46
7.4.130.0070.01016.36
7.4.120.0070.01016.43
7.4.110.0150.00516.32
7.4.100.0070.01816.51
7.4.90.0070.01016.30
7.4.80.0090.00919.39
7.4.70.0150.00316.54
7.4.60.0130.00916.26
7.4.50.0060.00916.18
7.4.40.0090.00616.39
7.3.330.0030.00616.20
7.3.320.0060.00013.15
7.3.310.0030.00316.01
7.3.300.0000.00716.23
7.3.290.0090.00516.13
7.3.280.0030.01516.15
7.3.260.0080.01016.39
7.3.240.0090.00816.40
7.3.230.0100.00716.20
7.3.210.0170.00716.35
7.3.200.0080.00816.41
7.3.190.0040.01116.24
7.3.180.0060.01016.41
7.3.170.0120.00616.22
7.3.160.0080.00816.43
7.2.330.0070.01016.32
7.2.320.0100.01016.24
7.2.310.0100.00616.29
7.2.300.0110.01116.21
7.2.290.0000.01616.36

preferences:
65.16 ms | 401 KiB | 5 Q