3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B { public function __construct( public A $a = new A() ) { } } var_dump(new B);

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)
8.5.10.0090.01020.29
8.5.00.0060.00424.55
8.4.150.0010.00114.05
8.4.140.0140.00717.30
8.4.130.0050.00417.70
8.4.120.0090.01123.86
8.4.110.0130.01022.18
8.4.100.0050.00418.69
8.4.90.0100.00918.98
8.4.80.0090.01118.36
8.4.70.0110.00419.60
8.4.60.0120.00818.87
8.4.50.0040.00418.53
8.4.40.0060.01320.56
8.4.30.0060.00318.46
8.4.20.0100.01017.93
8.4.10.0030.00622.03
8.3.280.0100.00918.29
8.3.270.0050.00816.36
8.3.260.0100.00916.43
8.3.250.0120.00819.04
8.3.240.0140.00516.84
8.3.230.0120.00716.43
8.3.220.0050.00218.76
8.3.210.0110.00416.34
8.3.200.0060.00316.52
8.3.190.0090.00817.37
8.3.180.0090.01016.89
8.3.170.0060.01320.81
8.3.160.0120.00617.37
8.3.150.0040.01417.34
8.3.140.0040.00416.49
8.3.130.0030.00716.84
8.3.120.0080.00319.07
8.3.110.0050.00216.79
8.3.100.0040.00416.54
8.3.90.0070.00316.55
8.3.50.0090.00016.75
8.2.290.0090.01120.34
8.2.280.0110.00718.27
8.2.270.0040.01617.12
8.2.260.0000.00816.75
8.2.250.0040.01818.54
8.2.240.0040.00417.34
8.2.230.0050.00320.94
8.2.220.0090.00016.47
8.2.210.0080.00016.34
8.1.330.0120.00621.83
8.1.320.0100.01016.25
8.1.310.0030.00618.54
8.1.300.0080.00020.29
8.1.80.0100.00717.29
8.1.70.0000.01317.22
8.1.60.0150.00017.55
8.1.50.0110.00317.49
8.1.40.0050.00917.55
8.1.30.0140.00017.68
8.1.20.0000.01417.46
8.1.10.0110.00317.43
8.1.00.0140.00017.58
8.0.210.0080.00416.81
8.0.200.0120.00016.84
8.0.190.0000.01216.84
8.0.180.0040.00816.81
8.0.170.0080.00416.81
8.0.160.0090.00316.74
8.0.150.0090.00316.61
8.0.140.0030.00816.83
8.0.130.0000.01216.58
8.0.120.0060.00616.79
8.0.110.0000.01116.70
8.0.100.0000.01216.75
8.0.90.0040.00816.73
8.0.80.0070.00516.75
8.0.70.0080.00416.75
8.0.60.0090.00316.74
8.0.50.0120.00016.75
8.0.30.0070.00516.68
8.0.20.0120.00016.77
8.0.10.0050.01016.84
7.4.300.0040.01216.32
7.4.290.0170.00616.35
7.4.280.0080.00816.39
7.4.270.0150.00016.40
7.4.260.0120.00316.39
7.4.250.0080.00716.28
7.4.240.0050.01016.38
7.4.230.0130.00416.42
7.4.220.0130.00016.30
7.4.210.0080.00516.30
7.4.200.0080.00416.39
7.4.190.0140.00016.37
7.4.180.0100.00316.40
7.4.160.0100.00316.35
7.4.150.0130.00016.34
7.4.140.0100.00316.28
7.4.130.0100.00316.20
7.4.120.0060.00616.16
7.4.110.0030.01016.13
7.4.100.0070.00716.36
7.4.90.0040.00716.09
7.4.80.0040.00416.07
7.4.70.0040.00415.98
7.4.60.0040.00416.23
7.4.50.0040.00415.84
7.4.40.0020.00616.06
7.4.30.0070.00016.20
7.4.20.0040.00416.19
7.4.10.0100.00016.15
7.4.00.0030.00616.30

preferences:
32.82 ms | 403 KiB | 5 Q