3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [ "Friday" => ["Breakfast" => 32, "Lunch" => 45], "Sunday" => ["Lunch" => 12] ]; $arr2 = [ "Sunday" => ["Breakfast" => 7, "Lunch" => 3], "Monday" => ["Breakfast" => 12] ]; $arr3 = [ "Monday" => ["Breakfast" => 31] ]; $result = []; foreach (array_merge_recursive($arr1, $arr2, $arr3) as $day => $meals) { foreach ($meals as $meal => $counts) { $result[$day][$meal] = array_sum((array)$counts); } } 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)
8.4.130.0110.00917.72
8.4.120.0030.00520.62
8.4.110.0100.00518.36
8.4.100.0100.00817.79
8.4.90.0140.00717.75
8.4.80.0050.00417.69
8.4.70.0120.00817.51
8.4.60.0110.01017.66
8.4.50.0060.00417.50
8.4.40.0090.00917.46
8.4.30.0030.01620.50
8.4.20.0070.01417.89
8.4.10.0180.00319.25
8.3.260.0100.00916.52
8.3.250.0110.00819.24
8.3.240.0100.00919.21
8.3.230.0120.00716.51
8.3.220.0060.00119.09
8.3.210.0110.00716.64
8.3.200.0120.00716.60
8.3.190.0080.00716.36
8.3.180.0100.00816.68
8.3.170.0120.00616.59
8.3.160.0140.00418.94
8.3.150.0070.00417.12
8.3.140.0110.00720.96
8.3.130.0040.00418.50
8.3.120.0090.00318.75
8.3.110.0120.00318.41
8.3.100.0110.00416.64
8.3.90.0080.00026.77
8.3.80.0070.00316.63
8.3.70.0110.00416.58
8.3.60.0150.00016.75
8.3.50.0160.00523.56
8.3.40.0080.00621.98
8.3.30.0060.01018.55
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0130.00520.43
8.2.280.0050.00418.53
8.2.270.0130.00716.78
8.2.260.0150.00318.89
8.2.250.0090.00916.70
8.2.240.0100.00618.78
8.2.230.0090.00020.94
8.2.220.0030.00716.78
8.2.210.0040.00426.77
8.2.200.0090.00018.88
8.2.190.0100.01016.63
8.2.180.0180.00425.92
8.2.170.0170.00019.00
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0000.00724.66
8.2.130.0050.00226.16
8.2.120.0080.00020.98
8.2.110.0030.00622.14
8.2.100.0090.00317.97
8.2.90.0000.00718.34
8.2.80.0080.00018.16
8.2.70.0030.00517.50
8.2.60.0040.00418.16
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0030.00618.11
8.2.20.0040.00417.99
8.2.10.0050.00319.34
8.2.00.0030.00319.25
8.1.330.0120.00916.84
8.1.320.0100.01116.20
8.1.310.0040.00416.84
8.1.300.0070.00020.42
8.1.290.0030.00630.84
8.1.280.0080.00825.92
8.1.270.0080.00023.99
8.1.260.0100.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00319.23
8.1.230.0000.01122.75
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0050.00318.61
8.1.160.0060.00318.89
8.1.150.0000.00818.89
8.1.140.0040.00418.84
8.1.130.0030.00317.31
8.1.120.0070.00017.43
8.1.110.0070.00317.37
8.1.100.0040.00417.44
8.1.90.0040.00417.38
8.1.80.0000.00917.43
8.1.70.0000.00717.48
8.1.60.0070.00417.54
8.1.50.0120.00317.41
8.1.40.0140.00117.45
8.1.30.0140.00317.58
8.1.20.0070.00917.57
8.1.10.0080.00517.40
8.1.00.0110.00617.37
8.0.300.0040.00419.91
8.0.290.0060.00316.63
8.0.280.0070.00018.39
8.0.270.0080.00018.04
8.0.260.0030.00316.72
8.0.250.0000.00716.93
8.0.240.0060.00016.96
8.0.230.0000.00716.93
8.0.220.0030.00316.86
8.0.210.0030.00516.75
8.0.200.0070.00016.84
8.0.190.0050.00316.85
8.0.180.0040.00916.84
8.0.170.0090.00616.88
8.0.160.0110.00216.78
8.0.150.0110.00316.67
8.0.140.0070.00716.79
8.0.130.0110.00115.10
8.0.120.0090.00416.83
8.0.110.0060.00816.73
8.0.100.0050.00916.87
8.0.90.0080.00616.73
8.0.80.0120.00716.86
8.0.70.0090.00616.84
8.0.60.0060.00816.84
8.0.50.0090.00516.68
8.0.30.0100.00916.79
8.0.20.0180.00516.97
8.0.10.0110.00316.84
8.0.00.0050.00916.79
7.4.330.0000.00615.55
7.4.320.0000.00616.51
7.4.300.0000.00616.54
7.4.290.0020.00516.51
7.4.280.0120.00616.50
7.4.270.0120.00316.46
7.4.260.0080.00414.91
7.4.250.0100.00516.47
7.4.240.0060.00616.61
7.4.230.0130.00016.45
7.4.220.0080.00616.51
7.4.210.0080.01016.52
7.4.200.0110.00316.47
7.4.190.0160.00316.61
7.4.180.0130.00816.62
7.4.160.0110.00716.42
7.4.150.0140.00616.47
7.4.140.0130.00716.48
7.4.130.0120.00816.39
7.4.120.0130.00716.48
7.4.110.0120.00916.46
7.4.100.0080.00816.42
7.4.90.0150.00416.48
7.4.80.0120.00816.42
7.4.70.0150.00316.46
7.4.60.0130.00616.43
7.4.50.0140.00616.25
7.4.40.0150.00416.33
7.4.30.0130.00616.42
7.4.20.0100.00916.44
7.4.10.0160.00316.38
7.4.00.0140.00616.43
7.3.330.0100.00316.25
7.3.320.0110.00214.66
7.3.310.0070.00716.28
7.3.300.0060.00816.34
7.3.290.0080.00916.32
7.3.280.0130.00616.38
7.3.270.0200.00016.36
7.3.260.0100.00916.35
7.3.250.0140.00416.46
7.3.240.0150.00416.50
7.3.230.0120.00816.09
7.3.220.0130.00616.34
7.3.210.0140.00516.26
7.3.200.0130.00616.32
7.3.190.0090.01016.29
7.3.180.0080.01016.26
7.3.170.0120.00716.38
7.3.160.0160.00416.16
7.3.150.0100.00916.39
7.3.140.0150.00316.26
7.3.130.0170.00516.40
7.3.120.0130.00916.31
7.3.110.0130.00716.44
7.3.100.0100.01116.27
7.3.90.0110.00816.44
7.3.80.0130.00816.21
7.3.70.0170.00516.35
7.3.60.0130.00616.47
7.3.50.0150.00516.30
7.3.40.0130.00516.28
7.3.30.0130.00716.43
7.3.20.0160.00416.34
7.3.10.0130.00816.36
7.3.00.0170.00416.31
5.6.400.0070.00417.07

preferences:
28.42 ms | 403 KiB | 5 Q