3v4l.org

run code in 300+ PHP versions simultaneously
<? class ListᐸTᐳ { private $items = []; public function add(T $item) { $this->items[] = $item; } } class T extends \DateTime {} class DateTime extends T {} class ListᐸDateTimeᐳ extends ListᐸTᐳ {} $list = new ListᐸDateTimeᐳ(); $list->add(new DateTime('now'));

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)
8.3.60.0140.00716.50
8.3.50.0120.00315.98
8.3.40.0120.00318.63
8.3.30.0110.00418.73
8.3.20.0040.01120.39
8.3.10.0030.00621.89
8.3.00.0050.00317.78
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0200.00020.44
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00421.18
8.2.120.0070.00026.35
8.2.110.0060.01220.89
8.2.100.0090.00318.03
8.2.90.0000.00817.99
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0080.00017.79
8.2.50.0030.00618.10
8.2.40.0040.00420.37
8.2.30.0030.00519.03
8.2.20.0050.00517.91
8.2.10.0040.00417.97
8.2.00.0000.00717.80
8.1.280.0100.00725.92
8.1.270.0040.00422.11
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0000.00921.95
8.1.230.0080.00422.73
8.1.220.0030.00717.74
8.1.210.0000.00818.77
8.1.200.0000.00917.10
8.1.190.0050.00316.98
8.1.180.0060.00318.10
8.1.170.0000.00818.45
8.1.160.0040.00418.86
8.1.150.0040.00418.82
8.1.140.0070.00019.44
8.1.130.0030.00318.67
8.1.120.0030.00317.34
8.1.110.0080.00317.21
8.1.100.0080.00317.23
8.1.90.0040.00417.29
8.1.80.0040.00417.21
8.1.70.0000.00717.38
8.1.60.0050.00317.51
8.1.50.0000.00717.29
8.1.40.0070.00017.40
8.1.30.0040.00417.58
8.1.20.0040.00417.38
8.1.10.0000.00717.42
8.1.00.0040.00417.29
8.0.300.0070.00019.55
8.0.290.0040.00416.58
8.0.280.0060.00018.42
8.0.270.0040.00717.18
8.0.260.0060.00016.76
8.0.250.0000.00616.72
8.0.240.0030.00516.70
8.0.230.0000.00716.81
8.0.220.0030.00316.66
8.0.210.0070.00016.64
8.0.200.0030.00316.78
8.0.190.0040.00416.84
8.0.180.0000.00716.74
8.0.170.0030.00316.79
8.0.160.0080.00016.65
8.0.150.0070.00016.59
8.0.140.0000.00716.62
8.0.130.0050.00013.37
8.0.120.0000.01016.75
8.0.110.0040.00416.62
8.0.100.0040.00416.77
8.0.90.0050.00316.67
8.0.80.0090.01316.64
8.0.70.0040.00416.64
8.0.60.0070.00016.77
8.0.50.0040.00416.78
8.0.30.0100.00817.02
8.0.20.0090.01017.40
8.0.10.0070.00016.91
8.0.00.0120.01216.62
7.4.330.0000.00515.55
7.4.320.0060.00016.32
7.4.300.0030.00316.45
7.4.290.0040.00416.48
7.4.280.0060.00316.32
7.4.270.0030.00316.49
7.4.260.0040.00416.29
7.4.250.0000.00816.38
7.4.240.0060.00316.36
7.4.230.0070.00016.38
7.4.220.0100.01016.53
7.4.210.0100.01016.41
7.4.200.0030.00316.47
7.4.160.0130.00316.25
7.4.150.0090.00917.40
7.4.140.0120.00817.86
7.4.130.0070.01116.28
7.4.120.0070.01416.44
7.4.110.0100.00716.29
7.4.100.0130.00316.50
7.4.90.0150.00316.32
7.4.80.0090.00619.39
7.4.70.0100.00616.38
7.4.60.0130.00316.30
7.4.50.0060.00916.24
7.4.40.0090.00616.55
7.4.30.0100.00616.35
7.3.330.0060.00013.21
7.3.320.0000.00513.05
7.3.310.0040.00416.22
7.3.300.0030.00316.18
7.3.290.0060.00816.10
7.3.280.0100.00616.13
7.3.270.0100.00717.40
7.3.260.0070.01016.36
7.3.250.0090.00816.15
7.3.240.0010.01616.35
7.3.230.0070.01116.43
7.3.210.0110.00716.39
7.3.200.0080.00816.53
7.3.190.0070.00716.55
7.3.180.0100.00716.46
7.3.170.0120.00416.35
7.3.160.0070.01016.16
7.2.330.0070.01116.37
7.2.320.0060.01116.33
7.2.310.0180.00316.29
7.2.300.0140.00716.48
7.2.290.0090.01316.45
7.1.70.0030.01316.67
7.1.60.0220.01634.95
7.1.50.0260.01034.40
7.1.40.0190.01034.34
7.1.30.0240.01334.25
7.1.20.0260.01034.60
7.1.10.0150.00716.39
7.1.00.0060.01316.34
7.0.200.0030.01016.54
7.0.190.0130.00316.70
7.0.180.0000.01415.96
7.0.170.0100.00615.93
7.0.160.0070.01216.25
7.0.150.0060.00915.98
7.0.140.0120.00716.11
7.0.130.0050.01216.36
7.0.120.0030.01316.21
7.0.110.0110.00916.09
7.0.100.0120.00916.07
7.0.90.0110.00716.27
7.0.80.0090.00916.34
7.0.70.0110.00616.27
7.0.60.0060.00615.94
7.0.50.0040.01216.12
7.0.40.0000.01416.22
7.0.30.0100.00316.25
7.0.20.0000.01316.16
7.0.10.0040.01016.27
7.0.00.0030.01116.16

preferences:
65.31 ms | 401 KiB | 5 Q