3v4l.org

run code in 300+ PHP versions simultaneously
<?php $existingtArr = [ "A" => [ "color" => 'red', "user" => [ "Daniel" => ["01:18:08", "04:10:12"], "Max" => ["01:04:00"], "Serto" => ["02:00:02"], ] ], "B" => [ "color" => 'blue', "user" => [ "Franz" => ["08:40:52"], "Hugo" => ["07:08:58"], ] ] ]; $newArr = [ "A" => [ "color" => 'red', "user" => [ "Fabian" => ["06:03:00"], // + 1 user "Max" => ["04:10:12"], // + 1 new time "Serto" => ["02:00:02"], ] ], "B" => [ "color" => 'blue', "user" => [ "Franz" => ["08:40:52", "14:05:32", "20:34:15"], // an older one is available, + 2 new times "Hugo" => ["04:10:12"], // + 1 time ] ], "C" => [ // + new whole group "color" => 'green', "user" => [ "Maxi" => ["07:08:58", "04:10:12"], ] ] ]; foreach ($newArr as $letter => $set) { if (!isset($existingtArr[$letter])) { $existingtArr[$letter] = $set; } else { $existingtArr[$letter]['user'] = array_merge_recursive( $existingtArr[$letter]['user'], $set['user'] ); } } var_export($existingtArr);

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)
8.3.60.0130.01318.68
8.3.50.0100.01016.60
8.3.40.0070.01120.15
8.3.30.0080.00818.67
8.3.20.0080.00024.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.180.0040.01218.28
8.2.170.0090.00619.01
8.2.160.0030.01022.96
8.2.150.0070.00025.66
8.2.140.0100.00024.66
8.2.130.0090.00026.16
8.2.120.0040.00426.16
8.2.110.0060.00322.14
8.2.100.0030.00919.57
8.2.90.0000.00817.75
8.2.80.0030.00518.77
8.2.70.0040.00417.93
8.2.60.0060.00318.16
8.2.50.0040.00418.10
8.2.40.0040.00421.25
8.2.30.0030.00518.13
8.2.20.0150.00217.63
8.2.10.0080.00317.76
8.2.00.0110.00517.63
8.1.280.0070.00725.92
8.1.270.0000.00724.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00018.87
8.1.230.0080.00317.89
8.1.220.0080.00017.75
8.1.210.0030.00518.77
8.1.200.0050.00517.48
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0000.00718.96
8.1.150.0050.00517.43
8.1.140.0110.00517.43
8.1.130.0160.00017.36
8.1.120.0150.00017.55
8.1.110.0110.00517.46
8.1.100.0100.00517.56
8.1.90.0120.00417.43
8.1.80.0000.01517.45
8.1.70.0150.00017.46
8.1.60.0130.00517.57
8.1.50.0120.00617.57
8.1.40.0160.00317.70
8.1.30.0190.00017.66
8.1.20.0150.00317.67
8.1.10.0180.00017.60
8.1.00.0170.00217.29
8.0.300.0080.00018.77
8.0.290.0060.00316.75
8.0.280.0080.00018.42
8.0.270.0120.00416.82
8.0.260.0040.01416.82
8.0.250.0100.00016.82
8.0.240.0080.00516.87
8.0.230.0030.00716.95
8.0.220.0110.00016.82
8.0.210.0070.00316.82
8.0.200.0100.00016.91
8.0.190.0110.00416.82
8.0.180.0140.00016.88
8.0.170.0040.01116.89
8.0.160.0040.00816.87
8.0.150.0030.00616.82
8.0.140.0090.00316.82
8.0.130.0120.00516.91
8.0.120.0150.00016.82
8.0.110.0050.01016.82
8.0.100.0120.00316.82
8.0.90.0120.00416.82
8.0.80.0150.00016.82
8.0.70.0120.00316.82
8.0.60.0110.00016.82
8.0.50.0070.00316.82
8.0.30.0040.01216.84
8.0.20.0120.00316.82
8.0.10.0140.00016.91

preferences:
33.32 ms | 400 KiB | 5 Q