3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['data1' => ['value1' => 1, 'value2' => 2]], ['data2' => ['value5' => 5, 'value6' => 6]], ['data1' => ['value3' => 3, 'value4' => 4]], ]; var_export( array_merge_recursive(...$array) );

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)
8.5.10.0090.00816.46
8.5.00.0140.00719.77
8.4.150.0020.00114.05
8.4.140.0120.01117.22
8.4.130.0140.00618.58
8.4.120.0140.00624.03
8.4.110.0150.00818.86
8.4.100.0120.00917.53
8.4.90.0060.00417.62
8.4.80.0130.00717.51
8.4.70.0050.00317.45
8.4.60.0110.01118.63
8.4.50.0140.00818.52
8.4.40.0110.00919.29
8.4.30.0150.00320.23
8.4.20.0180.00321.23
8.4.10.0000.00919.48
8.3.280.0140.00618.33
8.3.270.0160.00416.36
8.3.260.0120.00816.48
8.3.250.0100.00918.98
8.3.240.0120.00717.10
8.3.230.0120.00716.39
8.3.220.0100.00817.01
8.3.210.0100.00916.36
8.3.200.0110.00816.77
8.3.190.0110.00517.15
8.3.180.0120.00618.75
8.3.170.0050.00317.09
8.3.160.0150.00320.53
8.3.150.0110.00717.05
8.3.140.0040.01116.69
8.3.130.0350.00716.18
8.3.120.0390.00416.34
8.3.110.0360.00616.30
8.3.100.0490.00416.18
8.3.90.0370.00716.18
8.3.80.0390.00716.36
8.3.70.0390.00716.42
8.3.60.0390.00716.25
8.3.50.0350.01016.21
8.3.40.0350.00417.41
8.3.30.0300.00417.09
8.3.20.0240.01217.45
8.3.10.0290.00717.05
8.3.00.0260.00016.98
8.2.290.0100.00920.22
8.2.280.0110.00816.63
8.2.270.0110.00716.34
8.2.260.0040.00417.32
8.2.250.0280.00616.18
8.2.240.0220.00916.20
8.2.230.0350.00316.47
8.2.220.0240.01416.54
8.2.210.0310.00816.18
8.2.200.0270.01016.54
8.2.190.0350.00316.44
8.2.180.0210.01616.20
8.2.170.0310.01517.47
8.2.160.0360.00617.61
8.2.150.0230.01717.31
8.2.140.0370.00317.27
8.2.130.0410.00017.34
8.2.120.0360.00017.46
8.2.110.0370.00417.36
8.2.100.0320.00717.37
8.2.90.0370.00617.38
8.2.80.0370.00717.48
8.2.70.0360.00417.35
8.2.60.0400.00017.20
8.2.50.0250.00917.45
8.2.40.0270.00317.58
8.2.30.0280.00317.54
8.2.20.0330.00417.17
8.2.10.0240.01217.08
8.2.00.0320.00417.57
8.1.330.0070.01121.96
8.1.320.0130.00716.06
8.1.310.0070.00516.24
8.1.300.0280.01216.18
8.1.290.0300.00816.18
8.1.280.0310.00716.18
8.1.270.0410.01117.07
8.1.260.0280.00617.62
8.1.250.0240.00916.93
8.1.240.0210.00917.13
8.1.230.0280.00717.16
8.1.220.0320.00317.32
8.1.210.0260.00917.30
8.1.200.0200.01517.19
8.1.190.0280.00817.13
8.1.180.0260.00917.07
8.1.170.0260.01017.08
8.1.160.0260.00617.15
8.1.150.0200.01517.04
8.1.140.0310.00416.88
8.1.130.0250.00917.05
8.1.120.0220.01417.13
8.1.110.0290.00717.06
8.1.100.0200.02317.05
8.1.90.0320.01016.99
8.1.80.0290.00717.25
8.1.70.0230.01316.89
8.1.60.0340.00617.23
8.1.50.0270.01217.24
8.1.40.0320.00717.15
8.1.30.0300.01117.02
8.1.20.0320.00017.36
8.1.10.0320.01117.22
8.1.00.0410.00316.82

preferences:
70.07 ms | 403 KiB | 5 Q