3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @template T */ final class ReadonlyReference { /** * @param T $value */ public function __construct( public readonly mixed $value ) {} } /** * @template T */ final class Reference { /** * @param T $value */ public function __construct( public mixed $value ) {} } /** * @param ReadonlyReference<list<int>> $foo */ function foo(ReadonlyReference $foo): void { foreach($foo->value as $s) { var_dump($s); } $foo->value[] = 1; } $ref = new ReadonlyReference([ 1, 2, 3 ]); foo($ref);

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)
8.5.30.0080.00819.58
8.5.20.0110.00719.43
8.5.10.0110.00720.33
8.5.00.0130.00920.33
8.4.180.0170.00825.64
8.4.170.0080.01323.75
8.4.160.0120.00923.79
8.4.150.0080.00416.92
8.4.140.0140.00817.69
8.4.130.0060.01017.78
8.4.120.0060.00320.64
8.4.110.0050.00518.96
8.4.100.0130.00818.09
8.4.90.0090.01217.91
8.4.80.0100.00917.96
8.4.70.0050.00317.95
8.4.60.0110.00918.70
8.4.50.0060.00518.00
8.4.40.0110.00919.69
8.4.30.0130.00620.67
8.4.20.0170.00326.11
8.4.10.0090.00023.98
8.3.300.0160.00920.71
8.3.290.0140.00720.85
8.3.280.0130.00718.51
8.3.270.0180.00316.77
8.3.260.0120.00816.71
8.3.250.0130.00618.93
8.3.240.0110.00816.54
8.3.230.0120.00716.52
8.3.220.0120.00716.66
8.3.210.0050.00417.05
8.3.200.0070.00216.94
8.3.190.0030.00519.11
8.3.180.0110.00516.90
8.3.170.0140.00419.25
8.3.160.0120.00616.69
8.3.150.0140.00418.84
8.3.140.0030.00616.48
8.3.130.0080.00016.80
8.3.120.0060.00319.06
8.3.110.0080.00022.58
8.3.100.0130.00720.94
8.3.90.0040.00420.94
8.3.50.0040.00420.94
8.2.300.0100.01418.18
8.2.290.0120.00618.94
8.2.280.0140.00519.92
8.2.270.0100.00717.40
8.2.260.0040.00418.82
8.2.250.0030.00917.00
8.2.240.0150.00317.07
8.2.230.0030.00622.58
8.2.220.0130.00322.58
8.2.210.0080.00822.58
8.2.10.0110.00617.69
8.2.00.0040.01217.63
8.1.340.0140.00619.96
8.1.330.0120.01316.26
8.1.320.0130.00616.16
8.1.310.0030.00616.80
8.1.300.0110.00718.53
8.1.140.0100.00517.33
8.1.130.0110.00617.40
8.1.120.0130.00317.52
8.1.110.0040.01217.50
8.1.100.0110.00717.37
8.1.90.0110.00517.52
8.1.80.0160.00317.37
8.1.70.0180.00417.50
8.1.60.0200.00617.60
8.1.50.0210.00017.53
8.1.40.0230.00017.59
8.1.30.0150.00717.51
8.1.20.0170.00417.48
8.1.10.0180.00317.41
8.1.00.0210.00317.52
8.0.270.0160.00016.70
8.0.260.0150.00016.78
8.0.250.0150.00316.68
8.0.240.0160.00016.79
8.0.230.0090.00916.64
8.0.220.0120.00616.71
8.0.210.0160.00016.74
8.0.200.0130.00416.70
8.0.190.0160.00016.75
8.0.180.0140.00516.77
8.0.170.0140.00616.76
8.0.160.0080.00816.77
8.0.150.0180.00016.73
8.0.140.0060.01116.73
8.0.130.0130.00316.58
8.0.120.0110.00616.79
8.0.110.0080.00816.63
8.0.100.0160.00016.59
8.0.90.0080.00616.59
8.0.80.0050.00516.72
8.0.70.0000.00916.78
8.0.60.0050.00516.60
8.0.50.0040.00416.63
8.0.30.0060.00616.60
8.0.20.0080.00416.78
8.0.10.0090.00016.84

preferences:
60.85 ms | 939 KiB | 5 Q