3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public ?Foo $foo; } $x = new Foo(); var_dump($x->foo);

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)
8.5.30.0050.01117.61
8.5.20.0090.00919.58
8.5.10.0130.00519.48
8.5.00.0080.01320.02
8.4.180.0140.00919.75
8.4.170.0100.01223.65
8.4.160.0120.01123.14
8.4.150.0090.00316.93
8.4.140.0100.01117.98
8.4.130.0080.00917.98
8.4.120.0080.00320.43
8.4.110.0080.00422.39
8.4.100.0090.01218.15
8.4.90.0140.00622.69
8.4.80.0060.00319.76
8.4.70.0120.00818.23
8.4.60.0130.00718.74
8.4.50.0090.00418.77
8.4.40.0100.00919.46
8.4.30.0000.01922.20
8.4.20.0120.00020.77
8.4.10.0190.00022.33
8.3.300.0110.01120.59
8.3.290.0130.00720.57
8.3.280.0130.01118.37
8.3.270.0110.00916.69
8.3.260.0100.01016.29
8.3.250.0060.00318.79
8.3.240.0080.01316.68
8.3.230.0120.00716.74
8.3.220.0110.00818.94
8.3.210.0130.00818.51
8.3.200.0090.01116.35
8.3.190.0080.00918.83
8.3.180.0130.00616.41
8.3.170.0150.00317.12
8.3.160.0030.00618.45
8.3.150.0090.00917.13
8.3.140.0090.00017.03
8.3.130.0040.00418.42
8.3.120.0060.00318.95
8.3.110.0080.00016.75
8.3.100.0100.00716.88
8.3.90.0080.00016.75
8.3.80.0060.00318.55
8.3.70.0090.01218.27
8.3.60.0100.01016.63
8.3.50.0090.00618.88
8.3.40.0070.00718.70
8.3.30.0030.01618.54
8.3.20.0130.00621.73
8.3.10.0140.00021.90
8.3.00.0120.00622.51
8.2.300.0150.00618.18
8.2.290.0050.00320.40
8.2.280.0080.01018.89
8.2.270.0130.00616.94
8.2.260.0000.00816.71
8.2.250.0040.00416.75
8.2.240.0000.00917.25
8.2.230.0030.00520.94
8.2.220.0000.00924.06
8.2.210.0000.00826.77
8.2.200.0030.00618.43
8.2.190.0140.00716.75
8.2.180.0180.00418.29
8.2.170.0130.00622.96
8.2.160.0100.00720.35
8.2.150.0140.00024.18
8.2.140.0070.00724.66
8.2.130.0040.01126.16
8.2.120.0030.00626.16
8.2.110.0060.00319.35
8.2.100.0070.00717.91
8.2.90.0040.00420.44
8.2.80.0000.00919.71
8.2.70.0000.00917.80
8.2.60.0000.00818.22
8.2.50.0050.00318.10
8.2.40.0080.00021.06
8.2.30.0000.00819.20
8.2.20.0000.00718.13
8.2.10.0000.00818.75
8.2.00.0040.00419.29
8.1.340.0130.00717.93
8.1.330.0140.00523.79
8.1.320.0150.00516.13
8.1.310.0040.00418.38
8.1.300.0090.00017.78
8.1.290.0000.01018.88
8.1.280.0090.01225.92
8.1.270.0070.01520.21
8.1.260.0080.01126.35
8.1.250.0190.00028.09
8.1.240.0070.00322.13
8.1.230.0070.00420.99
8.1.220.0030.00517.74
8.1.210.0030.00519.00
8.1.200.0000.00817.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0040.00420.77
8.1.160.0000.01118.95
8.1.150.0000.00718.75
8.1.140.0000.00819.05
8.1.130.0000.00720.06
8.1.120.0040.00417.34
8.1.110.0000.00817.29
8.1.100.0040.00417.38
8.1.90.0070.00317.43
8.1.80.0040.00417.27
8.1.70.0070.00017.38
8.1.60.0040.00417.48
8.1.50.0000.00817.51
8.1.40.0040.00417.53
8.1.30.0050.00517.61
8.1.20.0090.00017.55
8.1.10.0000.01117.58
8.1.00.0070.00717.51
8.0.300.0050.00319.88
8.0.290.0020.00516.75
8.0.280.0030.00318.45
8.0.270.0000.00717.14
8.0.260.0040.00420.02
8.0.250.0070.00016.84
8.0.240.0030.00316.96
8.0.230.0000.00716.94
8.0.220.0070.00016.81
8.0.210.0000.00716.78
8.0.200.0030.00316.97
8.0.190.0070.00016.95
8.0.180.0000.00716.89
8.0.170.0060.00316.74
8.0.160.0070.00016.87
8.0.150.0050.00216.84
8.0.140.0000.00716.85
8.0.130.0000.00513.36
8.0.120.0030.00516.86
8.0.110.0070.00016.81
8.0.100.0000.00716.71
8.0.90.0000.00916.95
8.0.80.0100.00716.88
8.0.70.0040.00416.77
8.0.60.0000.00716.91
8.0.50.0000.00716.91
8.0.30.0160.00517.01
8.0.20.0030.01517.00
8.0.10.0040.00417.04
8.0.00.0120.00616.61
7.4.330.0000.00615.55
7.4.320.0030.00316.47
7.4.300.0030.00316.63
7.4.290.0000.00716.43
7.4.280.0080.00016.64
7.4.270.0070.00016.49
7.4.260.0000.00713.39
7.4.250.0070.00016.54
7.4.240.0060.00216.58
7.4.230.0020.00516.68
7.4.220.0020.00516.55
7.4.210.0110.00616.59
7.4.200.0030.00516.61
7.4.130.0140.00316.56
7.4.120.0060.02016.55
7.4.110.0130.00716.67
7.4.100.0110.00716.50
7.4.90.0030.01516.50
7.4.80.0120.00419.39
7.4.70.0090.00816.73
7.4.60.0140.00416.51
7.4.50.0120.00316.47
7.4.40.0030.01916.57
7.3.330.0000.00716.31
7.3.320.0050.00013.19
7.3.310.0000.00616.24
7.3.300.0030.00315.98
7.3.290.0070.00916.17
7.3.280.0030.01116.23
7.3.260.0110.01016.20
7.3.230.0060.01416.31
7.3.210.0130.00316.16
7.3.200.0060.01116.09
7.3.190.0000.01616.43
7.3.180.0140.00316.25
7.3.170.0140.00416.17
7.3.160.0070.00716.06
7.3.110.0060.01214.68
7.3.100.0070.00714.59
7.3.90.0080.00814.44
7.3.80.0100.00314.46
7.3.70.0000.01314.66
7.3.60.0040.00814.53
7.3.50.0090.00614.81
7.3.40.0130.00314.45
7.3.30.0030.01314.64
7.3.20.0100.00314.50
7.3.10.0120.00314.63
7.3.00.0060.00614.71
7.2.330.0110.00516.44
7.2.320.0120.00916.31
7.2.310.0110.00716.35
7.2.300.0060.01616.43
7.2.290.0070.01016.07
7.2.240.0070.01014.82
7.2.230.0060.00714.71
7.2.220.0030.00915.01
7.2.210.0080.00514.83
7.2.200.0050.00914.66
7.2.190.0070.00714.87
7.2.180.0030.01014.56
7.2.170.0060.00614.89
7.2.160.0000.01314.60
7.2.150.0080.00514.94
7.2.140.0060.00814.79
7.2.130.0060.00914.88
7.2.120.0100.00314.63
7.2.110.0060.01314.79
7.2.100.0080.00614.81
7.2.90.0060.00914.89
7.2.80.0060.00914.91
7.2.70.0060.00914.64
7.2.60.0060.00914.98
7.2.50.0120.00314.39
7.2.40.0070.00814.94
7.2.30.0090.00614.71
7.2.20.0040.01114.96
7.2.10.0120.00814.88
7.2.00.0070.01514.91
7.1.330.0070.01013.79
7.1.320.0080.00513.59
7.1.310.0060.00613.78
7.1.300.0040.00913.38
7.1.290.0030.01013.93
7.1.280.0000.01213.75
7.1.270.0040.00813.64
7.1.260.0060.00613.37
7.1.250.0090.00313.62

preferences:
46.07 ms | 1505 KiB | 5 Q