3v4l.org

run code in 300+ PHP versions simultaneously
<?php function takeRef(&$foo) { $foo = "this is a string now"; } class A { private array $data = [42, 23]; public function makeString() { takeRef($this->data); var_dump($this->data); } } $a = new A(); $a->makeString();

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)
8.3.60.0070.01018.40
8.3.50.0150.00721.99
8.3.40.0030.01418.88
8.3.30.0180.00318.71
8.3.20.0070.00020.33
8.3.10.0000.00821.52
8.3.00.0000.00920.84
8.2.180.0070.01116.88
8.2.170.0090.00922.96
8.2.160.0120.00319.21
8.2.150.0030.01024.18
8.2.140.0040.00424.66
8.2.130.0040.00422.31
8.2.120.0040.00426.35
8.2.110.0030.00620.53
8.2.100.0090.00317.93
8.2.90.0000.00819.16
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0000.00817.92
8.2.50.0000.00818.10
8.2.40.0030.00520.42
8.2.30.0070.00020.60
8.2.20.0060.00317.82
8.2.10.0000.00718.11
8.2.00.0050.00217.93
8.1.280.0070.00725.92
8.1.270.0040.00423.78
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0070.00419.13
8.1.230.0070.00317.64
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0000.00917.21
8.1.180.0030.00518.10
8.1.170.0040.00418.41
8.1.160.0000.00720.94
8.1.150.0000.00818.71
8.1.140.0040.00419.60
8.1.130.0000.00717.53
8.1.120.0040.00417.48
8.1.110.0080.00017.41
8.1.100.0000.00717.36
8.1.90.0070.00017.31
8.1.80.0000.00717.40
8.1.70.0000.00717.23
8.1.60.0000.00817.55
8.1.50.0040.00417.52
8.1.40.0040.00417.43
8.1.30.0040.00417.61
8.1.20.0000.00717.68
8.1.10.0000.00817.43
8.1.00.0080.00017.52
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0040.00418.41
8.0.270.0040.00417.25
8.0.260.0000.00617.19
8.0.250.0000.00717.02
8.0.240.0000.00716.85
8.0.230.0030.00316.96
8.0.220.0000.00716.79
8.0.210.0040.00416.95
8.0.200.0000.00616.86
8.0.190.0070.00016.96
8.0.180.0040.00416.80
8.0.170.0040.00416.94
8.0.160.0080.00016.96
8.0.150.0040.00416.76
8.0.140.0070.00016.79
8.0.130.0000.00513.32
8.0.120.0030.00516.89
8.0.110.0040.00416.92
8.0.100.0040.00416.72
8.0.90.0040.00416.84
8.0.80.0100.00716.95
8.0.70.0000.00716.78
8.0.60.0070.00016.79
8.0.50.0070.00016.69
8.0.30.0130.00517.04
8.0.20.0100.00917.40
8.0.10.0040.00317.02
8.0.00.0100.00916.70
7.4.330.0020.00215.08
7.4.320.0030.00316.45
7.4.300.0000.00616.59
7.4.290.0030.00316.42
7.4.280.0030.00616.64
7.4.270.0030.00316.41
7.4.260.0030.00316.48
7.4.250.0040.00416.57
7.4.240.0030.00516.53
7.4.230.0000.00716.71
7.4.220.0100.00916.66
7.4.210.0160.00116.59
7.4.200.0030.00316.38
7.4.160.0080.00816.63
7.4.150.0170.00017.40
7.4.140.0130.00917.86
7.4.130.0150.00916.48
7.4.120.0110.00816.57
7.4.110.0110.00716.51
7.4.100.0140.00416.54
7.4.90.0100.00716.44
7.4.80.0060.01119.39
7.4.70.0120.00816.54
7.4.60.0060.01016.49
7.4.50.0000.01216.62
7.4.40.0120.00816.54
7.4.30.0030.01316.51
7.3.330.0000.00513.11
7.3.320.0050.00013.22
7.3.310.0000.00816.02
7.3.300.0030.00316.21
7.3.290.0000.00716.21
7.3.280.0090.00916.17
7.3.270.0180.00017.40
7.3.260.0070.01516.27
7.3.250.0050.01316.24
7.3.240.0080.00916.23
7.3.230.0150.00316.39
7.3.210.0060.01116.26
7.3.200.0090.00616.41
7.3.190.0090.00616.26
7.3.180.0100.00716.23
7.3.170.0100.01016.14
7.3.160.0030.01216.21
7.2.330.0000.01716.56
7.2.320.0090.00916.53
7.2.310.0070.01016.26
7.2.300.0100.01316.57
7.2.290.0140.00316.41
7.0.40.0130.05720.22
7.0.30.0200.06320.10
7.0.20.0130.06720.05
7.0.10.0400.06320.21
7.0.00.0170.07020.27
5.6.190.0170.06020.60
5.6.180.0100.06020.44
5.6.170.0170.05720.57
5.6.160.0130.06020.58
5.6.150.0170.05720.39
5.6.140.0300.07020.31
5.6.130.0170.06020.45
5.6.120.0200.05320.27
5.6.110.0170.06020.43
5.6.100.0300.06020.36
5.6.90.0270.06720.39
5.6.80.0330.05319.79
5.6.70.0300.05719.75
5.6.60.0400.06319.69
5.6.50.0400.06719.59
5.6.40.0400.05319.66
5.6.30.0400.06719.73
5.6.20.0300.06319.77
5.6.10.0370.07019.79
5.6.00.0330.05719.65
5.5.330.0170.06720.36
5.5.320.0170.05720.59
5.5.310.0130.06320.61
5.5.300.0200.05720.18
5.5.290.0170.05720.01
5.5.280.0300.05320.07
5.5.270.0130.06320.23
5.5.260.0270.06720.15
5.5.250.0400.06019.89
5.5.240.0400.05019.46
5.5.230.0330.05319.48
5.5.220.0470.05719.49
5.5.210.0430.07719.72
5.5.200.0330.08719.55
5.5.190.0430.06719.51
5.5.180.0500.05319.52
5.5.160.0330.05319.55
5.5.150.0400.04719.36
5.5.140.0470.04719.54
5.5.130.0400.05719.54
5.5.120.0270.06319.56
5.5.110.0330.06019.55
5.5.100.0500.04719.43
5.5.90.0430.05719.47
5.5.80.0370.06019.36
5.5.70.0500.04719.40
5.5.60.0430.07019.31
5.5.50.0430.05019.49
5.5.40.0470.05019.46
5.5.30.0330.05019.50
5.5.20.0370.05319.46
5.5.10.0370.07019.46
5.5.00.0470.05319.37

preferences:
43.88 ms | 401 KiB | 5 Q