3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = json_decode('[ { "date":"2018-06-23", "size":"L", "type":"shoes", "value_one":"66" }, { "date":"2018-06-23", "size":"XL", "type":"shirt", "value_one":"43" }, { "date":"2018-06-23", "size":"M", "type":"Bag", "value_one":"23" } ]', true); $array2 = json_decode( '[ { "date":"2018-06-23", "size":"L", "type":"shoes", "value_two":"28" }, { "date":"2018-06-23", "size":"XL", "type":"shirt", "value_two":"56" }, { "date":"2018-06-23", "size":"M", "type":"Bag", "value_two":"14" }, { "date":"2018-06-23", "size":"S", "type":"Cap", "value_two":"29" } ]', true); $defaults = array_fill_keys(['date', 'size', 'type', 'value_one', 'value_two'], null); $result = []; foreach (array_merge($array1, $array2) as $row) { $compositeKey = implode('_', array_slice($row, 0, 3)); $result[$compositeKey] = array_merge($result[$compositeKey] ?? $defaults, $row); } var_export(array_values($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)
8.4.130.0060.00418.83
8.4.120.0150.00523.92
8.4.110.0070.00218.55
8.4.100.0130.00718.66
8.4.90.0130.00818.98
8.4.80.0050.00318.71
8.4.70.0130.00717.75
8.4.60.0060.00220.50
8.4.50.0120.00517.65
8.4.40.0130.00619.48
8.4.30.0120.00918.54
8.4.20.0140.00719.50
8.4.10.0060.00321.89
8.3.260.0100.00516.64
8.3.250.0050.00318.73
8.3.240.0130.00717.33
8.3.230.0110.00916.50
8.3.220.0110.01018.82
8.3.210.0120.00618.57
8.3.200.0060.00216.59
8.3.190.0090.00617.05
8.3.180.0130.00518.28
8.3.170.0090.00917.10
8.3.160.0140.00418.39
8.3.150.0120.00617.03
8.3.140.0080.00016.98
8.3.130.0090.00018.50
8.3.120.0040.00420.86
8.3.110.0070.00016.65
8.3.100.0060.00316.34
8.3.90.0030.00626.77
8.3.80.0040.00418.31
8.3.70.0140.00716.58
8.3.60.0180.00316.50
8.3.50.0040.01118.42
8.3.40.0040.01120.47
8.3.30.0000.01418.77
8.3.20.0060.00324.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0110.00920.57
8.2.280.0100.00818.65
8.2.270.0200.00016.70
8.2.260.0110.00719.14
8.2.250.0040.00716.52
8.2.240.0060.00319.20
8.2.230.0040.00420.94
8.2.220.0090.00324.06
8.2.210.0030.00626.77
8.2.200.0090.00016.88
8.2.190.0130.00616.63
8.2.180.0040.01125.92
8.2.170.0140.00019.04
8.2.160.0040.01122.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0040.00422.25
8.2.100.0000.01217.84
8.2.90.0080.00017.75
8.2.80.0040.00418.95
8.2.70.0040.00417.50
8.2.60.0050.00318.03
8.2.50.0000.00817.98
8.2.40.0050.00318.22
8.2.30.0080.00018.09
8.2.20.0070.00019.23
8.2.10.0000.00718.18
8.2.00.0030.00519.30
8.1.330.0120.00722.11
8.1.320.0120.00616.16
8.1.310.0040.00416.75
8.1.300.0000.00919.53
8.1.290.0050.00530.84
8.1.280.0060.01125.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00018.97
8.1.230.0080.00317.71
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0050.00317.35
8.1.180.0090.00018.10
8.1.170.0030.00517.62
8.1.160.0050.00319.01
8.1.150.0030.00618.56
8.1.140.0070.00017.39
8.1.130.0030.00319.07
8.1.120.0000.00817.44
8.1.110.0000.00717.35
8.1.100.0160.00017.38
8.1.90.0150.00517.36
8.1.80.0040.01217.25
8.1.70.0120.00417.47
8.1.60.0110.00717.57
8.1.50.0180.00017.54
8.1.40.0110.00717.37
8.1.30.0130.00617.67
8.1.20.0140.00417.51
8.1.10.0150.00217.50
8.1.00.0160.00417.46
8.0.300.0050.00318.93
8.0.290.0070.00316.63
8.0.280.0030.00318.50
8.0.270.0050.00316.90
8.0.260.0030.00318.42
8.0.250.0030.00316.88
8.0.240.0030.00316.86
8.0.230.0150.00016.91
8.0.220.0120.00216.73
8.0.210.0110.00416.90
8.0.200.0100.00516.92
8.0.190.0080.00816.97
8.0.180.0090.00616.77
8.0.170.0090.00616.87
8.0.160.0120.00316.93
8.0.150.0100.00516.59
8.0.140.0080.00416.68
8.0.130.0110.00516.78
8.0.120.0100.00716.86
8.0.110.0110.00416.81
8.0.100.0100.00716.91
8.0.90.0110.00416.89
8.0.80.0060.00916.85
8.0.70.0070.00716.83
8.0.60.0080.00716.87
8.0.50.0090.00416.91
8.0.30.0090.00616.80
8.0.20.0080.00816.75
8.0.10.0120.00417.02
7.4.330.0000.00615.55
7.4.320.0000.00716.61
7.4.300.0110.00416.52
7.4.290.0110.00416.48
7.4.280.0120.00216.50
7.4.270.0090.00516.57
7.4.260.0160.00016.56
7.4.250.0120.00616.65
7.4.240.0150.00316.43
7.4.230.0090.00316.31
7.4.220.0120.00416.65
7.4.210.0060.00916.40
7.4.200.0110.00416.38
7.4.190.0080.00516.61
7.4.180.0090.00516.62
7.4.160.0100.00316.61
7.4.150.0080.00416.46
7.4.140.0100.00316.40
7.4.130.0090.00516.47
7.4.120.0070.00716.51
7.4.110.0150.00016.48
7.4.100.0090.00216.50
7.4.90.0110.00316.51
7.4.80.0110.00416.38
7.4.70.0090.00616.54
7.4.60.0100.00316.47
7.4.50.0080.00216.34
7.4.40.0120.00316.29
7.4.30.0090.00316.43
7.4.20.0100.00316.45
7.4.10.0090.00416.42
7.4.00.0130.00016.42

preferences:
93.67 ms | 406 KiB | 6 Q