3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name1 = 'Bob'; ['name'=> $name2] = ['name'=>$name1]; var_dump($name2);

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)
8.4.120.0060.00222.38
8.4.110.0120.00822.36
8.4.100.0150.00517.59
8.4.90.0130.00818.66
8.4.80.0080.01118.67
8.4.70.0110.00918.68
8.4.60.0030.00518.80
8.4.50.0120.01118.49
8.4.40.0170.00317.60
8.4.30.0150.00418.75
8.4.20.0090.01217.66
8.4.10.0090.00619.43
8.3.250.0140.00418.85
8.3.240.0140.00616.51
8.3.230.0130.00616.36
8.3.220.0040.00419.11
8.3.210.0080.01216.48
8.3.200.0070.00416.57
8.3.190.0140.00317.23
8.3.180.0100.00918.80
8.3.170.0070.00016.56
8.3.160.0110.00817.26
8.3.150.0070.01117.13
8.3.140.0120.00618.91
8.3.130.0040.00718.34
8.3.120.0110.00418.97
8.3.110.0050.00320.94
8.3.100.0000.00924.06
8.3.90.0000.00826.77
8.3.80.0040.00418.43
8.3.70.0140.00316.63
8.3.60.0100.00716.88
8.3.50.0110.00716.45
8.3.40.0110.00723.61
8.3.30.0090.00620.34
8.3.20.0070.00024.18
8.3.10.0130.00723.65
8.3.00.0070.01120.78
8.2.290.0080.00920.43
8.2.280.0060.00418.08
8.2.270.0070.01116.73
8.2.260.0040.00416.63
8.2.250.0080.00016.60
8.2.240.0050.00317.06
8.2.230.0030.00522.58
8.2.220.0000.00937.54
8.2.210.0070.00726.77
8.2.200.0060.00316.38
8.2.190.0160.00618.16
8.2.180.0120.00318.16
8.2.170.0180.00418.74
8.2.160.0100.01022.96
8.2.150.0080.00025.66
8.2.140.0090.00922.16
8.2.130.0130.00322.08
8.2.120.0100.01020.71
8.2.110.0090.00620.70
8.2.100.0170.00320.74
8.2.90.0040.01520.58
8.2.80.0090.00620.75
8.2.70.0030.01020.32
8.2.60.0040.00420.57
8.2.50.0040.00420.44
8.2.40.0000.00820.56
8.2.30.0080.00020.61
8.2.20.0090.00920.27
8.2.10.0070.01320.59
8.2.00.0000.00920.41
8.1.330.0130.00722.00
8.1.320.0110.00818.05
8.1.310.0080.00016.31
8.1.300.0080.00020.15
8.1.290.0000.00930.84
8.1.280.0070.00725.92
8.1.270.0070.00023.84
8.1.260.0080.00023.77
8.1.250.0050.00223.84
8.1.240.0080.00020.39
8.1.230.0050.00320.24
8.1.220.0050.00320.68
8.1.210.0150.00320.29
8.1.200.0090.00920.04
8.1.190.0130.00720.44
8.1.180.0100.00720.17
8.1.170.0100.01020.16
8.1.160.0130.00720.14
8.1.150.0070.00720.32
8.1.140.0070.01320.18
8.1.130.0120.00320.32
8.1.120.0120.00420.38
8.1.110.0100.00720.16
8.1.100.0060.00320.18
8.1.90.0050.00520.20
8.1.80.0040.00420.37
8.1.70.0060.00320.12
8.1.60.0090.00920.41
8.1.50.0090.00020.38
8.1.40.0100.01320.30
8.1.30.0080.00320.39
8.1.20.0090.00020.48
8.1.10.0080.00020.47
8.1.00.0000.00920.16

preferences:
30.5 ms | 403 KiB | 5 Q