3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1= [ [ "month1" => "January", "2020cs" => 84, "2020as" => 500, "2019cs" => 17, "2019as" => 500, ], [ "month1" => "February", "2020cs" => 54, "2020as" => 200, "2019cs" => 12, "2019as" => 1000, ], [ "month1" => "April", "2020cs" => 4, "2020as" => 100, "2019cs" => 12, "2019as" => 1400, ], [ "month1" => "November", "2020cs" => 0, "2020as" => 0, "2019cs" => 7, "2019as" => 200, ], ]; $array2= [ [ "month1" => "January", "2020cr" => 13, "2020ar" => 300, "2019cr" => 0, "2019ar" => 0, ], [ "month1" => "March", "2020cr" => 1, "2020ar" => 100, "2019cr" => 0, "2019ar" => 0, ], [ "month1" => "November", "2020cr" => 0, "2020ar" => 0, "2019cr" => 1, "2019ar" => 800, ], [ "month1" => "December", "2020cr" => 0, "2020ar" => 0, "2019cr" => 2, "2019ar" => 500, ], ]; // top-level array from indexed to associative (name of month) $array1 = rekey($array1); $array2 = rekey($array2); function rekey(array $arr = []): array { foreach ($arr as $key => $record) { $arr[$record['month1']] = $arr[$key]; // indexed to name of month unset($arr[$key]); } return $arr; } // run the merge $result = array_merge_recursive($array1, $array2); // clean up double entries key 'month1' foreach($result as $key => &$value) { if(is_array($value['month1'])) $value['month1'] = $value['month1'][0]; } // sort result set $months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; foreach($result as $key0 => $value0) { foreach($months as $key1 => $value1) { if($key0 === $value1) { $result[$key1] = $result[$key0]; // set index based on month 0-11 unset($result[$key0]); } } } ksort($result); print_r(array_values($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)
8.4.120.0120.00720.70
8.4.110.0120.00724.19
8.4.100.0090.00317.95
8.4.90.0040.00620.61
8.4.80.0120.00118.73
8.4.70.0080.01119.02
8.4.60.0070.00320.52
8.4.50.0150.00617.72
8.4.40.0130.00617.67
8.4.30.0070.01320.66
8.4.20.0130.00719.64
8.4.10.0130.00622.52
8.3.250.0110.00919.13
8.3.240.0160.00516.66
8.3.230.0170.00316.25
8.3.220.0080.01019.02
8.3.210.0050.00318.44
8.3.200.0040.00516.36
8.3.190.0080.00916.44
8.3.180.0090.00916.72
8.3.170.0040.01116.90
8.3.160.0050.00320.04
8.3.150.0160.00316.58
8.3.140.0040.00418.92
8.3.130.0070.00416.66
8.3.120.0090.00620.50
8.3.110.0060.00320.94
8.3.100.0030.00524.06
8.3.90.0050.00326.77
8.3.80.0030.00616.63
8.3.70.0070.01416.58
8.3.60.0100.00718.31
8.3.50.0100.00623.80
8.3.40.0130.00918.79
8.3.30.0150.00018.89
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.290.0120.00716.55
8.2.280.0060.00218.54
8.2.270.0070.01117.03
8.2.260.0080.00016.34
8.2.250.0150.00316.46
8.2.240.0050.00317.11
8.2.230.0050.00322.58
8.2.220.0030.00637.54
8.2.210.0040.00426.77
8.2.200.0030.00718.48
8.2.190.0090.00616.58
8.2.180.0120.00425.92
8.2.170.0150.00318.66
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0070.00021.02
8.2.110.0000.01821.00
8.2.100.0080.00417.97
8.2.90.0080.00018.28
8.2.80.0050.00320.41
8.2.70.0030.00618.03
8.2.60.0080.00018.22
8.2.50.0040.00418.10
8.2.40.0050.00319.51
8.2.30.0000.00719.19
8.2.20.0050.00218.11
8.2.10.0000.00719.34
8.2.00.0040.00419.20
8.1.330.0100.01016.07
8.1.320.0050.00316.18
8.1.310.0140.00318.44
8.1.300.0050.00318.04
8.1.290.0060.00330.84
8.1.280.0070.01425.92
8.1.270.0080.00023.99
8.1.260.0150.00326.35
8.1.250.0030.00628.09
8.1.240.0030.00722.05
8.1.230.0000.01220.77
8.1.220.0050.00317.91
8.1.210.0030.00618.78
8.1.200.0060.00317.35
8.1.190.0080.00017.38
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0070.00019.02
8.1.150.0000.00718.89
8.1.140.0000.00918.83
8.1.130.0040.00419.22
8.1.120.0040.00417.52
8.1.110.0000.00817.43
8.1.100.0040.00417.46
8.1.90.0030.00417.45
8.1.80.0040.00817.50
8.1.70.0060.00317.45
8.1.60.0050.00317.60
8.1.50.0030.00617.45
8.1.40.0000.00817.49
8.1.30.0000.00817.61
8.1.20.0050.00317.62
8.1.10.0070.00317.57
8.1.00.0040.00717.52
8.0.300.0040.00420.09
8.0.290.0000.00716.75
8.0.280.0000.00718.40
8.0.270.0040.00416.81
8.0.260.0030.00316.82
8.0.250.0030.00316.96
8.0.240.0050.00216.89
8.0.230.0030.00316.98
8.0.220.0000.00716.77
8.0.210.0070.00016.78
8.0.200.0000.00716.95
8.0.190.0040.00417.00
8.0.180.0000.00816.90
8.0.170.0040.00416.79
8.0.160.0030.00516.88
8.0.150.0050.00316.70
8.0.140.0050.00216.82
8.0.130.0000.00513.39
8.0.120.0040.00416.82
8.0.110.0070.00016.94
8.0.100.0000.00716.85
8.0.90.0040.00416.93
8.0.80.0080.01116.92
8.0.70.0040.00416.85
8.0.60.0050.00316.88
8.0.50.0070.00016.88
8.0.30.0060.01217.29
8.0.20.0130.00517.07
8.0.10.0000.00716.90
8.0.00.0060.01316.59
7.4.330.0000.00515.55
7.4.320.0020.00516.58
7.4.300.0060.00016.43
7.4.290.0050.00316.54
7.4.280.0000.00716.53
7.4.270.0030.00316.36
7.4.260.0040.00413.29
7.4.250.0070.00016.57
7.4.240.0000.00816.48
7.4.230.0070.00016.39
7.4.220.0040.00416.43
7.4.210.0070.00816.57
7.4.200.0030.00516.58
7.4.130.0100.01016.63
7.4.120.0170.00316.50
7.4.110.0000.01616.54
7.4.100.0120.00916.62
7.4.90.0040.01216.50
7.4.80.0070.01019.39
7.4.70.0070.01716.34
7.4.60.0040.01416.70
7.4.50.0110.00616.62
7.4.40.0150.00316.63
7.4.30.0060.01016.54
7.4.20.0080.00916.18
7.4.10.0140.00716.49
7.4.00.0030.01316.54
7.3.330.0030.00316.38
7.3.320.0030.00313.33
7.3.310.0050.00216.36
7.3.300.0030.00316.32
7.3.290.0060.00716.35
7.3.280.0100.01016.38
7.3.260.0130.00316.51
7.3.240.0080.00916.47
7.3.230.0040.01416.57
7.3.210.0080.00816.24
7.3.200.0040.01116.38
7.3.190.0200.00316.37
7.3.180.0070.01016.36
7.3.170.0120.00316.59
7.3.160.0100.00716.54
7.3.150.0080.00816.64
7.3.140.0110.01116.42
7.3.130.0030.01316.38
7.3.120.0120.00416.41
7.3.110.0060.00916.25
7.3.100.0040.01116.44
7.3.90.0060.01016.58
7.3.80.0120.00616.46
7.3.70.0090.00616.39
7.3.60.0000.01516.52
7.3.50.0130.01316.30
7.3.40.0100.00616.21
7.3.30.0060.00916.30
7.3.20.0130.00916.46
7.3.10.0060.01016.25
7.3.00.0130.00416.56
7.2.330.0110.00716.52
7.2.320.0110.00716.69
7.2.310.0090.00916.43
7.2.300.0000.01816.71
7.2.290.0110.00716.82
7.2.280.0130.00516.84
7.2.270.0080.00816.69
7.2.260.0140.00416.72
7.2.250.0060.00916.54
7.2.240.0110.00716.82
7.2.230.0030.01316.77
7.2.220.0130.00316.71
7.2.210.0030.01316.46
7.2.200.0130.00316.67
7.2.190.0170.00016.66
7.2.180.0090.00616.59
7.2.170.0060.01116.60
7.2.160.0080.01216.58
7.2.150.0130.00616.70
7.2.140.0060.01116.58
7.2.130.0070.01116.78
7.2.120.0140.01016.68
7.2.110.0120.01216.81
7.2.100.0090.00916.65
7.2.90.0120.00616.79
7.2.80.0030.01416.80
7.2.70.0030.01416.61
7.2.60.0030.01316.62
7.2.50.0100.00716.66
7.2.40.0100.01016.87
7.2.30.0090.01216.68
7.2.20.0120.00616.86
7.2.10.0060.01316.77
7.2.00.0090.00916.60

preferences:
28.16 ms | 403 KiB | 5 Q