3v4l.org

run code in 300+ PHP versions simultaneously
<?php $buffer = [ [ 'test' => '1', 'test1' => '2', ], [ 'test' => '3', 'test1' => '4', ] ]; var_dump( array_merge(...$buffer), );

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)
8.4.20.0040.00419.84
8.4.10.0050.00319.28
8.3.150.0110.00716.36
8.3.140.0140.00416.56
8.3.130.0040.00418.38
8.3.120.0070.00418.74
8.3.110.0310.00316.32
8.3.100.0270.00516.07
8.3.90.0190.00416.28
8.3.80.0280.00416.25
8.3.70.0290.00716.00
8.3.60.0160.00616.25
8.3.50.0210.00516.00
8.3.40.0110.00717.13
8.3.30.0300.00917.11
8.3.20.0320.00717.00
8.3.10.0180.00017.25
8.3.00.0130.01016.98
8.2.270.0090.00617.39
8.2.260.0040.00418.36
8.2.250.0040.00418.11
8.2.240.0080.00018.86
8.2.230.0230.00316.42
8.2.220.0150.00316.30
8.2.210.0200.00516.23
8.2.200.0150.00516.13
8.2.190.0350.01016.13
8.2.180.0330.00616.25
8.2.170.0420.00017.25
8.2.160.0260.01017.38
8.2.150.0150.00717.25
8.2.140.0200.00017.13
8.2.130.0160.00417.25
8.2.120.0130.00717.48
8.2.110.0340.00317.46
8.2.100.0220.00417.13
8.2.90.0300.00317.60
8.2.80.0250.01317.13
8.2.70.0390.00417.50
8.2.60.0390.00017.50
8.2.50.0320.00717.25
8.2.40.0320.01017.50
8.2.30.0290.00917.00
8.2.20.0260.00717.25
8.2.10.0330.00817.13
8.2.00.0310.00917.13
8.1.310.0090.00916.20
8.1.300.0030.00618.35
8.1.290.0350.00415.75
8.1.280.0300.01116.13
8.1.270.0390.00017.14
8.1.260.0350.01017.25
8.1.250.0350.01116.88
8.1.240.0360.00317.13
8.1.230.0320.00916.98
8.1.220.0340.00817.00
8.1.210.0340.00717.13
8.1.200.0320.00616.98
8.1.190.0220.02216.75
8.1.180.0320.00317.00
8.1.170.0280.00317.21
8.1.160.0320.00017.00
8.1.150.0300.00616.86
8.1.140.0340.00417.09
8.1.130.0270.01217.22
8.1.120.0300.00917.34
8.1.110.0370.00417.11
8.1.100.0400.00617.34
8.1.90.0280.00317.10
8.1.80.0240.01217.13
8.1.70.0290.01117.13
8.1.60.0280.00817.25
8.1.50.0170.00317.25
8.1.40.0220.01117.23
8.1.30.0370.00717.34
8.1.20.0170.00317.47
8.1.10.0220.00316.98
8.1.00.0240.00516.98

preferences:
26.2 ms | 403 KiB | 5 Q