3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [ '2012' => ['1' => 13, '2' => 22, '3' => 18, '5' => 19], '2011' => ['1' => '4', '3' => 13], ]; $array2 = [ '2012' => ['1' => 44, '4' => 34, '5' => 38, '6' => 29], '2011' => ['1' => 9, '2' => 11, '3' => 1], ]; $array3 = [ '2012' => ['2' => 5, '4' => 3, '6' => 1, '8' => 11], '2011' => ['3' => 9, '4' => 14, '9' => 9], ]; $defaults = array_fill_keys(range(1, 12), 0); $result = []; foreach ([$array1, $array2, $array3] as $array) { foreach ($array as $year => $row) { $result[$year] ??= $defaults; foreach ($row as $m => $v) { $result[$year][$m] += $v; } } } var_export($result);

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)
8.5.10.0030.00616.55
8.5.00.0080.01320.04
8.4.150.0020.00114.05
8.4.140.0120.01017.53
8.4.130.0140.00618.01
8.4.120.0100.00920.74
8.4.110.0130.00619.06
8.4.100.0120.00917.70
8.4.90.0110.00920.66
8.4.80.0120.00722.67
8.4.70.0130.00718.84
8.4.60.0070.00520.78
8.4.50.0130.00718.57
8.4.40.0130.01017.49
8.4.30.0080.01120.39
8.4.20.0030.00619.41
8.4.10.0190.00019.38
8.3.280.0120.00918.30
8.3.270.0120.00816.55
8.3.260.0130.00616.54
8.3.250.0050.00319.06
8.3.240.0100.00618.38
8.3.230.0110.00816.54
8.3.220.0090.00718.93
8.3.210.0100.00516.70
8.3.200.0050.00416.66
8.3.190.0060.00117.09
8.3.180.0020.00619.18
8.3.170.0140.00417.28
8.3.160.0150.00418.39
8.3.150.0150.00317.14
8.3.140.0070.00716.61
8.3.130.0330.00716.43
8.3.120.0330.00816.45
8.3.110.0340.00616.66
8.3.100.0420.00416.74
8.3.90.0320.01416.54
8.3.80.0360.00716.63
8.3.70.0260.00616.67
8.3.60.0160.00516.44
8.3.50.0210.01116.24
8.3.40.0300.01217.23
8.3.30.0370.00717.18
8.3.20.0350.00517.23
8.3.10.0330.00417.50
8.3.00.0230.01417.15
8.2.290.0110.00817.15
8.2.280.0100.00918.57
8.2.270.0110.00816.90
8.2.260.0070.00717.11
8.2.250.0150.00516.45
8.2.240.0140.00316.58
8.2.230.0180.00016.48
8.2.220.0110.00716.66
8.2.210.0190.00016.46
8.2.200.0200.00316.52
8.2.190.0180.00016.41
8.2.180.0280.00616.33
8.2.170.0370.00717.62
8.2.160.0420.00417.68
8.2.150.0320.00517.64
8.2.140.0230.02017.57
8.2.130.0410.00017.34
8.2.120.0330.00817.57
8.2.110.0350.00717.75
8.2.100.0230.01617.57
8.2.90.0310.00817.44
8.2.80.0300.00917.52
8.2.70.0310.00817.29
8.2.60.0320.00717.20
8.2.50.0330.00717.40
8.2.40.0340.00317.32
8.2.30.0460.00017.46
8.2.20.0290.01117.36
8.2.10.0320.00517.33
8.2.00.0310.00717.12
8.1.330.0130.00616.09
8.1.320.0140.00616.18
8.1.310.0030.00716.87
8.1.300.0400.00316.18
8.1.290.0310.00816.18
8.1.280.0280.00716.26
8.1.270.0300.00817.27
8.1.260.0270.00317.62
8.1.250.0250.00717.37
8.1.240.0340.00417.16
8.1.230.0230.01617.19
8.1.220.0320.00717.27
8.1.210.0290.01717.12
8.1.200.0450.00617.26
8.1.190.0290.01317.04
8.1.180.0320.00717.20
8.1.170.0310.00417.27
8.1.160.0340.00616.77
8.1.150.0310.01016.84
8.1.140.0140.00717.13
8.1.130.0180.00517.09
8.1.120.0230.00617.26
8.1.110.0190.00317.37
8.1.100.0270.00317.15
8.1.90.0140.00516.94
8.1.80.0300.00317.15
8.1.70.0260.01017.44
8.1.60.0320.00717.33
8.1.50.0450.00417.07
8.1.40.0280.01417.20
8.1.30.0280.01317.35
8.1.20.0290.01117.37
8.1.10.0290.00917.43
8.1.00.0340.00017.04

preferences:
65.8 ms | 403 KiB | 5 Q