3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'foo' => [10, 20, 30], 'bar' => [40], 'foo' => [50, 60], ]; var_dump($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)
8.5.10.0120.00616.22
8.5.00.0120.01519.96
8.4.160.0090.01223.95
8.4.150.0020.00014.05
8.4.140.0160.00517.43
8.4.130.0120.00818.93
8.4.120.0140.00623.97
8.4.110.0100.01222.59
8.4.100.0120.00717.50
8.4.90.0120.00817.36
8.4.80.0090.01117.77
8.4.70.0070.01317.52
8.4.60.0120.00917.72
8.4.50.0110.00917.77
8.4.40.0130.00717.29
8.4.30.0130.00718.50
8.4.20.0100.00018.02
8.4.10.0040.00419.45
8.3.280.0110.00918.43
8.3.270.0120.00816.51
8.3.260.0080.01116.24
8.3.250.0110.00519.04
8.3.240.0110.00817.32
8.3.230.0140.00516.45
8.3.220.0080.01017.13
8.3.210.0060.01216.43
8.3.200.0120.00816.37
8.3.190.0090.00616.65
8.3.180.0080.00118.25
8.3.170.0090.00920.44
8.3.160.0040.01417.41
8.3.150.0080.00817.10
8.3.140.0040.00416.37
8.3.130.0000.00816.55
8.3.120.0040.00818.88
8.3.110.0090.00016.50
8.3.100.0040.01516.50
8.3.90.0000.00826.77
8.3.80.0090.00017.97
8.3.70.0070.01118.11
8.3.60.0090.00916.57
8.3.50.0090.01216.47
8.3.40.0130.00721.83
8.3.30.0100.00320.09
8.3.20.0110.01123.42
8.3.10.0140.00723.66
8.3.00.0130.00920.58
8.2.290.0020.00822.00
8.2.280.0040.00518.11
8.2.270.0120.00318.86
8.2.260.0000.00816.74
8.2.250.0040.00418.38
8.2.240.0090.00016.99
8.2.230.0080.00820.94
8.2.220.0030.00916.50
8.2.210.0040.00726.77
8.2.200.0070.00316.38
8.2.190.0140.00716.58
8.2.180.0040.01116.75
8.2.170.0140.00018.64
8.2.160.0070.00722.96
8.2.150.0110.01120.75
8.2.140.0150.00422.10
8.2.130.0060.01222.08
8.2.120.0180.00020.88
8.2.110.0140.00420.83
8.2.100.0070.00720.58
8.2.90.0150.00620.60
8.2.80.0180.00420.91
8.2.70.0090.00620.55
8.2.60.0070.01420.45
8.2.50.0070.00720.88
8.2.40.0150.00620.56
8.2.30.0100.01020.44
8.2.20.0040.01120.25
8.2.10.0170.00020.43
8.2.00.0150.00320.30
8.1.330.0100.00816.75
8.1.320.0100.00917.79
8.1.310.0040.00416.54
8.1.300.0080.00018.50
8.1.290.0040.00430.84
8.1.280.0070.01325.92
8.1.270.0090.00623.84
8.1.260.0070.00723.78
8.1.250.0100.00723.97
8.1.240.0040.01120.36
8.1.230.0070.01120.34
8.1.220.0140.00020.30
8.1.210.0070.01019.85
8.1.200.0070.00720.47
8.1.190.0140.00320.32
8.1.180.0090.00619.99
8.1.170.0040.01120.57
8.1.160.0150.00020.14
8.1.150.0110.00320.44
8.1.140.0080.00820.05
8.1.130.0030.01420.35
8.1.120.0090.00920.19
8.1.110.0090.00620.28
8.1.100.0140.00420.33
8.1.90.0000.01420.20
8.1.80.0110.00421.57
8.1.70.0130.00720.20
8.1.60.0130.00620.51
8.1.50.0080.00820.16
8.1.40.0120.00620.25
8.1.30.0110.00620.43
8.1.20.0060.01021.66
8.1.10.0070.01020.35
8.1.00.0130.00720.14

preferences:
29.39 ms | 403 KiB | 5 Q