3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; ['foo' => &$v] = $arr; $v = 1; var_export($arr);

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)
8.5.10.0100.00716.25
8.5.00.0150.00719.86
8.4.160.0130.00823.71
8.4.150.0020.00114.05
8.4.140.0150.00717.31
8.4.130.0150.00617.65
8.4.120.0090.01022.33
8.4.110.0120.00822.38
8.4.100.0120.00917.63
8.4.90.0140.00618.67
8.4.80.0140.00518.73
8.4.70.0050.00517.68
8.4.60.0120.01018.67
8.4.50.0080.00918.48
8.4.40.0140.00717.58
8.4.30.0100.01018.89
8.4.20.0130.00719.05
8.4.10.0080.00819.37
8.3.280.0130.00818.26
8.3.270.0130.00616.39
8.3.260.0120.00716.65
8.3.250.0100.01118.97
8.3.240.0150.00416.86
8.3.230.0130.00716.58
8.3.220.0090.00919.04
8.3.210.0110.00818.36
8.3.200.0050.00416.74
8.3.190.0110.00817.02
8.3.180.0130.00618.63
8.3.170.0030.01520.86
8.3.160.0120.00616.45
8.3.150.0090.00917.19
8.3.140.0000.00817.15
8.3.130.0080.00016.72
8.3.120.0040.00418.80
8.3.110.0030.00520.94
8.3.100.0030.00624.06
8.3.90.0080.00026.77
8.3.80.0030.00618.43
8.3.70.0210.00016.38
8.3.60.0070.01116.32
8.3.50.0070.01416.34
8.3.40.0000.01423.70
8.3.30.0070.00720.03
8.3.20.0040.00424.18
8.3.10.0100.01021.84
8.3.00.0090.00918.76
8.2.290.0040.00520.24
8.2.280.0100.00818.27
8.2.270.0070.00718.86
8.2.260.0070.01118.35
8.2.250.0030.00516.77
8.2.240.0040.00417.11
8.2.230.0070.00422.58
8.2.220.0110.00737.54
8.2.210.0080.01126.77
8.2.200.0060.00318.29
8.2.190.0110.00418.29
8.2.180.0050.00918.26
8.2.170.0040.01118.96
8.2.160.0000.01522.96
8.2.150.0030.00525.66
8.2.140.0090.00920.44
8.2.130.0150.00420.49
8.2.120.0040.01919.02
8.2.110.0100.01019.11
8.2.100.0000.00818.97
8.2.90.0040.00418.79
8.2.80.0040.00418.77
8.2.70.0000.00818.54
8.2.60.0070.00718.60
8.2.50.0040.00418.43
8.2.40.0080.00018.86
8.2.30.0120.00318.89
8.2.20.0030.01318.84
8.2.10.0000.01518.83
8.2.00.0130.00318.70
8.1.330.0130.00621.79
8.1.320.0120.00615.91
8.1.310.0050.00316.52
8.1.300.0060.00316.18
8.1.290.0000.00930.84
8.1.280.0110.00325.92
8.1.270.0050.00322.19
8.1.260.0030.00522.05
8.1.250.0070.00022.09
8.1.240.0150.00018.31
8.1.230.0060.00918.62
8.1.220.0040.01118.86
8.1.210.0030.00618.47
8.1.200.0090.00618.24
8.1.190.0060.00318.51
8.1.180.0090.00618.26
8.1.170.0060.00318.43
8.1.160.0000.00818.54
8.1.150.0040.01118.28
8.1.140.0090.00018.36
8.1.130.0110.00318.74
8.1.120.0050.00318.55
8.1.110.0070.00718.42
8.1.100.0060.00318.50
8.1.90.0090.00618.44
8.1.80.0060.00318.60
8.1.70.0050.00518.38
8.1.60.0060.00318.63
8.1.50.0030.01318.55
8.1.40.0100.00718.67
8.1.30.0000.00818.57
8.1.20.0080.00018.60
8.1.10.0050.00318.64
8.1.00.0030.00518.44

preferences:
33.74 ms | 403 KiB | 5 Q