3v4l.org

run code in 300+ PHP versions simultaneously
<?php function appendZ($array) { $array[0] .= 'z'; $array[1] .= 'z'; $array[2] .= 'z'; $array[3] .= 'z'; } $a = ['a', 'b', 'c', 'd']; $v = &$a[2]; appendZ($a); print_r($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)
8.4.140.0180.00717.53
8.4.130.0100.01117.80
8.4.120.0120.00820.64
8.4.110.0120.00822.26
8.4.100.0120.00817.74
8.4.90.0100.00920.79
8.4.80.0070.00919.71
8.4.70.0090.00817.70
8.4.60.0060.00318.83
8.4.50.0130.00619.53
8.4.40.0060.01318.39
8.4.30.0030.01618.71
8.4.20.0030.00619.73
8.4.10.0140.00419.53
8.3.260.0100.00916.72
8.3.250.0060.00318.96
8.3.240.0130.00616.52
8.3.230.0130.00616.37
8.3.220.0070.01119.07
8.3.210.0060.00220.96
8.3.200.0050.00416.19
8.3.190.0140.00516.44
8.3.180.0130.00516.57
8.3.170.0070.01419.11
8.3.160.0040.01116.57
8.3.150.0040.00417.17
8.3.140.0000.00816.61
8.3.130.0100.01018.22
8.3.120.0060.00318.99
8.3.110.0090.00020.94
8.3.100.0120.00624.06
8.3.90.0040.00726.77
8.3.80.0070.00316.49
8.3.70.0060.00916.38
8.3.60.0240.01018.00
8.3.50.0130.00318.27
8.3.40.0250.01117.38
8.3.30.0170.01417.36
8.3.20.0290.00617.38
8.3.10.0290.00717.38
8.3.00.0290.00417.25
8.2.290.0140.00620.39
8.2.280.0020.00620.30
8.2.270.0130.00617.05
8.2.260.0060.01217.05
8.2.250.0030.00618.48
8.2.240.0070.01016.92
8.2.230.0090.00922.58
8.2.220.0130.00737.54
8.2.210.0040.00426.77
8.2.200.0030.00616.25
8.2.190.0170.00316.58
8.2.180.0180.00016.38
8.2.170.0200.01019.27
8.2.160.0230.00819.36
8.2.150.0200.01019.09
8.2.140.0150.01917.25
8.2.130.0300.00617.38
8.2.120.0280.00918.83
8.2.110.0250.01517.00
8.2.100.0240.00917.25
8.2.90.0230.01017.38
8.2.80.0250.00917.25
8.2.70.0210.01117.38
8.2.60.0240.01019.06
8.2.50.0300.00019.11
8.2.40.0230.00716.88
8.2.30.0160.01217.38
8.2.20.0270.00417.38
8.2.10.0310.00017.38
8.2.00.0230.01017.25
8.1.330.0140.00822.08
8.1.320.0090.00816.23
8.1.310.0050.00318.22
8.1.300.0060.01218.02
8.1.290.0060.00318.88
8.1.280.0260.00716.32
8.1.270.0340.00017.00
8.1.260.0270.01017.00
8.1.250.0240.01016.88
8.1.240.0200.01017.22
8.1.230.0280.00317.13
8.1.220.0150.01516.86
8.1.210.0200.01018.65
8.1.200.0210.01017.00
8.1.190.0320.00418.73
8.1.180.0240.01016.97
8.1.170.0220.00918.63
8.1.160.0290.00719.01
8.1.150.0220.01016.75
8.1.140.0180.01516.97
8.1.130.0280.00817.13
8.1.120.0170.01317.13
8.1.110.0220.00917.00
8.1.100.0280.00418.96
8.1.90.0220.00918.63
8.1.80.0280.00617.00
8.1.70.0250.00716.75
8.1.60.0280.00917.22
8.1.50.0250.00817.13
8.1.40.0320.00317.13
8.1.30.0240.00817.23
8.1.20.0320.00317.11
8.1.10.0340.00317.25
8.1.00.0300.00716.88

preferences:
69.06 ms | 403 KiB | 5 Q