3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Dog {} class Bulldog {} interface DogFeeder { function feed(Dog $dog); } function feedChihuahua(DogFeeder $feeder) { $feeder->feed(new Chihuahua()); // this code is OK } class BulldogFeeder implements DogFeeder { function feed(Bulldog $dog) { } } // feedChihuahua(new BulldogFeeder());

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)
8.3.60.0130.00718.43
8.3.50.0000.01418.02
8.3.40.0090.00618.76
8.3.30.0150.00018.71
8.3.20.0030.00520.73
8.3.10.0060.00320.21
8.3.00.0040.00420.82
8.2.180.0090.01218.41
8.2.170.0030.01222.96
8.2.160.0070.00722.25
8.2.150.0100.00724.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0000.00919.00
8.2.100.0090.00317.59
8.2.90.0040.00417.66
8.2.80.0050.00317.97
8.2.70.0060.00317.80
8.2.60.0040.00418.16
8.2.50.0050.00318.10
8.2.40.0040.00419.34
8.2.30.0070.00019.23
8.2.20.0030.00517.87
8.2.10.0070.00419.13
8.2.00.0040.00419.28
8.1.280.0070.00725.92
8.1.270.0040.00422.48
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0000.01322.08
8.1.230.0060.00620.80
8.1.220.0080.00017.74
8.1.210.0080.00018.95
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0070.00018.91
8.1.170.0040.00418.51
8.1.160.0050.00218.95
8.1.150.0000.00818.94
8.1.140.0030.00322.10
8.1.130.0000.00720.27
8.1.120.0030.00517.41
8.1.110.0030.00517.41
8.1.100.0000.00817.33
8.1.90.0000.01017.41
8.1.80.0030.00517.42
8.1.70.0030.00317.38
8.1.60.0060.00617.38
8.1.50.0000.00717.51
8.1.40.0040.00417.34
8.1.30.0080.00017.57
8.1.20.0080.00017.42
8.1.10.0070.00017.48
8.1.00.0030.00517.37
8.0.300.0000.00820.02
8.0.290.0060.00316.75
8.0.280.0030.00318.31
8.0.270.0050.00317.20
8.0.260.0000.00619.97
8.0.250.0000.00716.80
8.0.240.0070.00016.92
8.0.230.0060.00316.84
8.0.220.0040.00416.90
8.0.210.0000.00816.91
8.0.200.0070.00016.94
8.0.190.0030.00316.94
8.0.180.0030.00516.81
8.0.170.0090.00016.84
8.0.160.0030.00416.96
8.0.150.0050.00316.83
8.0.140.0070.00016.86
8.0.130.0050.00013.30
8.0.120.0000.00916.75
8.0.110.0040.00416.96
8.0.100.0040.00416.84
8.0.90.0040.00416.70
8.0.80.0110.00416.87
8.0.70.0040.00416.78
8.0.60.0000.00816.86
8.0.50.0000.00716.82
8.0.30.0100.01017.20
8.0.20.0090.01016.95
8.0.10.0040.00416.88
8.0.00.0060.01616.84
7.4.330.0020.00215.55
7.4.320.0030.00316.49
7.4.300.0060.00016.52
7.4.290.0000.00816.51
7.4.280.0000.01116.55
7.4.270.0060.00316.53
7.4.260.0030.00313.27
7.4.250.0000.00716.55
7.4.240.0040.00416.52
7.4.230.0030.00316.64
7.4.220.0040.00416.58
7.4.210.0100.00516.38
7.4.200.0000.00716.61
7.4.130.0120.00616.62
7.4.120.0030.01316.55
7.4.110.0030.01216.30
7.4.100.0130.00916.51
7.4.90.0090.00916.49
7.4.80.0090.01219.39
7.4.70.0110.00716.33
7.4.60.0070.01016.36
7.4.50.0070.01016.66
7.4.40.0160.00316.48
7.4.00.0090.00914.85
7.3.330.0040.00416.09
7.3.320.0050.00013.11
7.3.310.0030.00516.30
7.3.300.0000.00716.21
7.3.290.0090.00816.24
7.3.280.0090.00616.17
7.3.260.0150.00716.13
7.3.240.0120.00716.39
7.3.230.0060.01016.39
7.3.210.0100.00716.42
7.3.200.0090.00916.61
7.3.190.0060.01016.26
7.3.180.0030.01516.41
7.3.170.0050.01116.29
7.3.160.0130.01016.43
7.3.120.0140.00814.66
7.3.110.0080.01214.44
7.3.100.0150.00914.74
7.3.90.0080.01314.55
7.3.80.0120.01614.81
7.3.70.0090.00914.40
7.3.60.0120.00814.30
7.3.50.0140.00314.53
7.3.40.0150.00414.72
7.3.30.0110.00414.69
7.3.20.0100.00414.66
7.3.10.0090.00614.86
7.3.00.0110.00414.86
7.2.330.0090.01216.54
7.2.320.0110.00816.48
7.2.310.0060.00916.46
7.2.300.0070.01316.41
7.2.290.0040.01216.54
7.2.250.0110.01114.74
7.2.240.0130.01114.70
7.2.230.0160.00814.77
7.2.220.0050.01514.80
7.2.210.0110.00614.84
7.2.200.0110.00814.57
7.2.190.0140.00714.97
7.2.180.0080.00814.74
7.2.170.0060.00914.58
7.1.330.0160.00513.89
7.1.320.0170.00313.80
7.1.310.0150.00713.99
7.1.300.0110.00913.60
7.1.290.0070.00813.54
7.1.280.0070.00713.89
7.1.270.0040.01113.63
7.1.260.0080.00813.63

preferences:
40.51 ms | 400 KiB | 5 Q