3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myarray = [ [ 'messageId' => '5ACE9D8841', 'sender' => 'john@doe.com' ], [ 'messageId' => '7EE67D8170', 'sender' => 'dan@doe.com' ], [ 'messageId' => '8095FD8836', 'sender' => 'cat@doe.com' ], [ 'messageId' => '7EE67D8170', 'dest' => 'mitch@doe.com', 'status' => 'sent', 'date' => '2021-02-01 11:06:55' ] ]; $result = []; foreach ($myarray as $row) { if (!isset($result[$row['messageId']])) { $result[$row['messageId']] = $row; } else { $result[$row['messageId']] += $row; } } var_export(array_values($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)
8.4.140.0110.00917.61
8.4.130.0120.00817.78
8.4.120.0130.00620.43
8.4.110.0050.00420.61
8.4.100.0050.00417.90
8.4.90.0130.00818.78
8.4.80.0100.01019.54
8.4.70.0020.00717.96
8.4.60.0160.00619.00
8.4.50.0120.00819.50
8.4.40.0130.00719.23
8.4.30.0030.00620.47
8.4.20.0030.01619.52
8.4.10.0040.00423.99
8.3.270.0090.01016.88
8.3.260.0140.00516.80
8.3.250.0110.00819.23
8.3.240.0050.01316.39
8.3.230.0120.00816.73
8.3.220.0130.00517.32
8.3.210.0040.00416.75
8.3.200.0050.00416.63
8.3.190.0090.00619.23
8.3.180.0070.00416.36
8.3.170.0140.00420.93
8.3.160.0090.00918.44
8.3.150.0160.00320.81
8.3.140.0070.00716.68
8.3.130.0030.00618.34
8.3.120.0120.00318.69
8.3.110.0080.00020.94
8.3.100.0180.00424.06
8.3.90.0000.00826.77
8.3.80.0060.00317.97
8.3.70.0090.01318.59
8.3.60.0150.00318.18
8.3.50.0090.00616.85
8.3.40.0080.00623.55
8.3.30.0180.00018.88
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0000.00726.16
8.2.290.0050.00420.54
8.2.280.0050.00320.13
8.2.270.0120.00617.22
8.2.260.0090.00920.20
8.2.250.0190.00016.70
8.2.240.0040.00418.95
8.2.230.0080.00022.58
8.2.220.0060.00337.54
8.2.210.0140.00026.77
8.2.200.0000.00816.88
8.2.190.0120.00318.29
8.2.180.0070.01416.63
8.2.170.0140.00018.79
8.2.160.0100.00722.96
8.2.150.0000.00825.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00019.77
8.2.110.0090.00020.45
8.2.100.0060.00617.84
8.2.90.0080.00017.63
8.2.80.0000.00818.81
8.2.70.0060.00317.63
8.2.60.0040.00417.63
8.2.50.0000.00817.63
8.2.40.0080.00019.36
8.2.30.0050.00717.70
8.2.20.0020.00717.71
8.2.10.0100.00617.78
8.2.00.0110.00417.72
8.1.330.0110.00821.72
8.1.320.0120.00716.14
8.1.310.0040.01116.56
8.1.300.0050.00316.45
8.1.290.0060.00330.84
8.1.280.0090.00625.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0040.00423.85
8.1.230.0080.00420.77
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00317.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0040.00417.82
8.1.160.0070.00417.48
8.1.150.0100.00617.48
8.1.140.0090.00717.37
8.1.130.0140.00217.42
8.1.120.0100.00517.49
8.1.110.0090.00617.50
8.1.100.0120.00417.44
8.1.90.0100.00517.53
8.1.80.0110.00517.48
8.1.70.0050.00517.50
8.1.60.0110.00817.71
8.1.50.0140.00517.48
8.1.40.0140.00317.65
8.1.30.0110.00717.61
8.1.20.0110.00717.65
8.1.10.0090.00817.53
8.1.00.0170.00117.38
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0110.00316.91
8.0.270.0050.00916.87
8.0.260.0090.00616.84
8.0.250.0130.00216.93
8.0.240.0080.00516.89
8.0.230.0080.00816.88
8.0.220.0100.00216.85
8.0.210.0070.00316.88
8.0.200.0080.00516.88
8.0.190.0100.00316.91
8.0.180.0090.00416.89
8.0.170.0050.00416.90
8.0.160.0050.00516.95
8.0.150.0150.00016.79
8.0.140.0090.00516.85
8.0.130.0130.00116.80
8.0.120.0110.00416.84
8.0.110.0100.00416.80
8.0.100.0090.00416.83
8.0.90.0080.00516.83
8.0.80.0100.00516.79
8.0.70.0080.00716.85
8.0.60.0050.00916.86
8.0.50.0050.01016.92
8.0.30.0070.00816.90
8.0.20.0090.00616.94
8.0.10.0110.00417.03

preferences:
37.52 ms | 403 KiB | 5 Q