3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $values = [null, null]; public $a; public $b; public function assign(&$a, &$b) { $this->a = &$a; $this->b = &$b; } public function change() { $this->a = 5; $this->b = 'foo'; } } $a = new A(); $b = &$a->values; $a->assign(...$b); $a->change(); var_dump($a);

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)
8.3.60.0070.01118.30
8.3.50.0140.00719.91
8.3.40.0090.00618.91
8.3.30.0150.00018.55
8.3.20.0000.00724.18
8.3.10.0000.00824.66
8.3.00.0040.00426.16
8.2.180.0040.01125.92
8.2.170.0100.00322.96
8.2.160.0000.01422.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00926.16
8.2.110.0060.00320.97
8.2.100.0080.00317.79
8.2.90.0000.00818.03
8.2.80.0030.00619.21
8.2.70.0060.00317.38
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0030.00618.22
8.2.30.0020.00517.87
8.2.20.0000.00719.31
8.2.10.0070.00017.73
8.2.00.0050.00319.19
8.1.280.0040.01425.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0120.00028.09
8.1.240.0040.00421.91
8.1.230.0030.00822.67
8.1.220.0000.00817.76
8.1.210.0000.00819.77
8.1.200.0040.00417.35
8.1.190.0050.00317.23
8.1.180.0030.00618.10
8.1.170.0040.00418.50
8.1.160.0000.00718.82
8.1.150.0040.00418.62
8.1.140.0050.00317.31
8.1.130.0070.00018.87
8.1.120.0020.00517.36
8.1.110.0040.00417.21
8.1.100.0020.00517.37
8.1.90.0070.00017.39
8.1.80.0070.00317.30
8.1.70.0070.00017.25
8.1.60.0060.00317.57
8.1.50.0030.00617.52
8.1.40.0050.00317.51
8.1.30.0040.00417.63
8.1.20.0000.00717.56
8.1.10.0040.00417.42
8.1.00.0070.00017.42
8.0.300.0050.00220.00
8.0.290.0050.00316.63
8.0.280.0000.00718.38
8.0.270.0070.00017.85
8.0.260.0000.00618.25
8.0.250.0030.00316.75
8.0.240.0030.00316.91
8.0.230.0030.00516.94
8.0.220.0000.00716.74
8.0.210.0040.00416.71
8.0.200.0070.00016.80
8.0.190.0000.00816.89
8.0.180.0070.00016.74
8.0.170.0060.00316.79
8.0.160.0000.00816.76
8.0.150.0070.00016.66
8.0.140.0070.00016.76
8.0.130.0050.00013.23
8.0.120.0030.00516.78
8.0.110.0060.00216.81
8.0.100.0060.00416.82
8.0.90.0040.00716.69
8.0.80.0040.00616.73
8.0.70.0040.00616.68
8.0.60.0070.00216.79
8.0.50.0060.00416.69
8.0.30.0060.00416.70
8.0.20.0080.00216.80
8.0.10.0060.00416.98
8.0.00.0000.00816.96
7.4.330.0060.00015.55
7.4.320.0000.00716.43
7.4.300.0030.00316.60
7.4.290.0040.00416.60
7.4.280.0030.00516.63
7.4.270.0000.00716.54
7.4.260.0030.00313.27
7.4.250.0040.00416.47
7.4.240.0030.00516.53
7.4.230.0040.00316.57
7.4.220.0020.00616.55
7.4.210.0060.00116.45
7.4.200.0060.00216.54
7.4.190.0030.00416.58
7.4.180.0040.00316.67
7.4.160.0040.00416.56
7.4.150.0020.00716.51
7.4.140.0060.00216.37
7.4.130.0040.00316.40
7.4.120.0020.00616.37
7.4.110.0050.00316.39
7.4.100.0070.00116.53
7.4.90.0040.00416.39
7.4.80.0050.00316.36
7.4.70.0050.00316.42
7.4.60.0030.00616.43
7.4.50.0040.00416.24
7.4.40.0000.00716.26
7.4.30.0040.00416.47
7.4.20.0040.00416.46
7.4.10.0050.00316.32
7.4.00.0060.00216.40
7.3.330.0050.00316.30
7.3.320.0030.00313.11
7.3.310.0030.00516.21
7.3.300.0030.00516.18
7.3.290.0020.00616.32
7.3.280.0060.00116.29
7.3.270.0030.00416.22
7.3.260.0010.00616.16
7.3.250.0040.00516.24
7.3.240.0070.00116.13
7.3.230.0030.00516.33
7.3.220.0020.00516.15
7.3.210.0020.00616.08
7.3.200.0030.00316.20
7.3.190.0070.00016.13
7.3.180.0000.00716.25
7.3.170.0020.00516.23
7.3.160.0040.00416.15
7.3.150.0040.00416.17
7.3.140.0060.00216.15
7.3.130.0060.00216.15
7.3.120.0030.00516.06
7.3.110.0010.00716.16
7.3.100.0080.00016.03
7.3.90.0060.00216.49
7.3.80.0040.00316.16
7.3.70.0020.00616.21
7.3.60.0050.00316.18
7.3.50.0060.00216.31
7.3.40.0020.00716.36
7.3.30.0060.00216.24
7.3.20.0020.00717.21
7.3.10.0050.00317.34
7.3.00.0080.00517.31
7.0.140.0060.00215.04

preferences:
64.06 ms | 401 KiB | 5 Q