3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(string $a, string &$b) { $b = new stdClass(); } $a = "a"; $b = "b"; foo($a, $b); var_dump($a, $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)
8.5.30.0100.00719.53
8.5.20.0110.00619.46
8.5.10.0080.00819.94
8.5.00.0060.00319.99
8.4.180.0120.00922.08
8.4.170.0120.01020.61
8.4.160.0130.01021.57
8.4.150.0070.00516.92
8.4.140.0120.00917.56
8.4.130.0040.00517.88
8.4.120.0120.00920.77
8.4.110.0130.00722.33
8.4.100.0100.00517.59
8.4.90.0120.00918.70
8.4.80.0130.00717.83
8.4.70.0150.00517.80
8.4.60.0140.00718.66
8.4.50.0050.00418.57
8.4.40.0100.01020.48
8.4.30.0030.01618.76
8.4.20.0060.01225.89
8.4.10.0030.00623.87
8.3.300.0120.00920.64
8.3.290.0130.00720.76
8.3.280.0120.00918.26
8.3.270.0110.00816.68
8.3.260.0110.00816.50
8.3.250.0110.00818.68
8.3.240.0110.00816.99
8.3.230.0140.00516.43
8.3.220.0060.01117.10
8.3.210.0070.00716.45
8.3.200.0060.00316.55
8.3.190.0140.00517.00
8.3.180.0090.00116.35
8.3.170.0100.00717.32
8.3.160.0110.00718.46
8.3.150.0080.00817.34
8.3.140.0030.00517.20
8.3.130.0060.00318.64
8.3.120.0090.00020.57
8.3.110.0060.00316.60
8.3.100.0030.00716.62
8.3.90.0120.00626.77
8.3.80.0040.00417.97
8.3.70.0090.00618.14
8.3.60.0130.01016.50
8.3.50.0150.00316.56
8.3.40.0110.00420.32
8.3.30.0070.00718.63
8.3.20.0040.00424.18
8.3.10.0000.00724.66
8.3.00.0050.00326.16
8.2.300.0120.00919.86
8.2.290.0070.01220.23
8.2.280.0050.00318.62
8.2.270.0070.00717.10
8.2.260.0040.01116.50
8.2.250.0040.00417.44
8.2.240.0030.00617.26
8.2.230.0190.00020.94
8.2.220.0000.00824.06
8.2.210.0170.00026.77
8.2.200.0000.00918.17
8.2.190.0110.00416.63
8.2.180.0000.01716.75
8.2.170.0090.00918.96
8.2.160.0130.00022.96
8.2.150.0070.00025.66
8.2.140.0030.01224.66
8.2.130.0000.00826.16
8.2.120.0000.00726.16
8.2.110.0070.00320.54
8.2.100.0110.00017.59
8.2.90.0100.00019.52
8.2.80.0080.00017.50
8.2.70.0030.00517.63
8.2.60.0090.00019.54
8.2.50.0040.00418.07
8.2.40.0040.00421.18
8.2.30.0040.00417.89
8.2.20.0040.00419.10
8.2.10.0000.00817.98
8.2.00.0040.00419.40
8.1.340.0110.00817.55
8.1.330.0110.00823.64
8.1.320.0160.00716.02
8.1.310.0040.00418.40
8.1.300.0050.00516.73
8.1.290.0060.00330.84
8.1.280.0090.01225.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.34
8.1.230.0080.00422.67
8.1.220.0040.00417.74
8.1.210.0040.00418.91
8.1.200.0060.00317.23
8.1.190.0050.00317.11
8.1.180.0000.00818.10
8.1.170.0040.00418.51
8.1.160.0030.00518.83
8.1.150.0040.00418.68
8.1.140.0000.01017.24
8.1.130.0000.00819.06
8.1.120.0040.00419.11
8.1.110.0030.00519.20
8.1.100.0000.00819.18
8.1.90.0060.00319.26
8.1.80.0020.00519.14
8.1.70.0000.00819.17
8.1.60.0000.00717.62
8.1.50.0030.00617.49
8.1.40.0040.00419.36
8.1.30.0040.00419.42
8.1.20.0000.00717.48
8.1.10.0060.00317.48
8.1.00.0030.00517.37
8.0.300.0040.00419.92
8.0.290.0030.00616.75
8.0.280.0030.00318.48
8.0.270.0040.00417.19
8.0.260.0030.00316.79
8.0.250.0070.00016.74
8.0.240.0000.00818.54
8.0.230.0040.00418.59
8.0.220.0000.00718.42
8.0.210.0040.00418.48
8.0.200.0080.00018.50
8.0.190.0030.00316.71
8.0.180.0030.00316.80
8.0.170.0050.00316.80
8.0.160.0070.00016.85
8.0.150.0060.00318.43
8.0.140.0000.00718.55
8.0.130.0000.00718.52
8.0.120.0000.00718.54
8.0.110.0000.00718.43
8.0.100.0070.00018.54
8.0.90.0040.00418.43
8.0.80.0050.00318.50
8.0.70.0000.00718.59
8.0.60.0040.00418.41
8.0.50.0040.00418.54
8.0.30.0000.00818.44
8.0.20.0070.00018.59
8.0.10.0000.00716.85

preferences:
44.29 ms | 1109 KiB | 5 Q