3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['quantity' => 5, 'dd' => '01-Nov-2012'], ['quantity' => 10, 'dd' => '01-Nov-2012'], ['quantity' => 3, 'dd' => '02-Nov-2012'], ['quantity' => 4, 'dd' => '03-Nov-2012'], ['quantity' => 15, 'dd' => '03-Nov-2012'], ]; $result = []; foreach ($array as $row) { if (!isset($ref[$row['dd']])) { $ref[$row['dd']] = $row; $result[] = &$ref[$row['dd']]; } else { $ref[$row['dd']]['quantity'] += $row['quantity']; } } var_export($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)
8.4.140.0130.00717.69
8.4.130.0160.00517.93
8.4.120.0130.00720.38
8.4.110.0110.01022.22
8.4.100.0130.00817.81
8.4.90.0110.00918.81
8.4.80.0100.01019.64
8.4.70.0100.00517.70
8.4.60.0080.00918.48
8.4.50.0100.01119.34
8.4.40.0000.00918.62
8.4.30.0110.00718.74
8.4.20.0070.01417.91
8.4.10.0070.01423.88
8.3.270.0090.01016.54
8.3.260.0050.00416.52
8.3.250.0090.00919.12
8.3.240.0090.00816.86
8.3.230.0120.00816.69
8.3.220.0030.00517.20
8.3.210.0060.00216.65
8.3.200.0060.00816.55
8.3.190.0040.00517.27
8.3.180.0130.00718.29
8.3.170.0070.01018.90
8.3.160.0060.01318.34
8.3.150.0110.00717.39
8.3.140.0110.00717.41
8.3.130.0030.00618.43
8.3.120.0080.00019.21
8.3.110.0060.01320.94
8.3.100.0030.00624.06
8.3.90.0060.00926.77
8.3.80.0060.00317.97
8.3.70.0140.00716.63
8.3.60.0120.00918.53
8.3.50.0100.00316.32
8.3.40.0070.00719.92
8.3.30.0070.00718.54
8.3.20.0040.00424.18
8.3.10.0030.00524.66
8.3.00.0040.00426.16
8.2.290.0080.01020.11
8.2.280.0060.00418.40
8.2.270.0090.00916.75
8.2.260.0070.01120.82
8.2.250.0000.00816.88
8.2.240.0120.00317.29
8.2.230.0080.00022.58
8.2.220.0000.00937.54
8.2.210.0040.00426.77
8.2.200.0100.00316.50
8.2.190.0160.00618.41
8.2.180.0130.00716.50
8.2.170.0110.00718.92
8.2.160.0120.00322.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0110.00019.75
8.2.100.0090.00317.84
8.2.90.0070.00317.88
8.2.80.0070.00318.90
8.2.70.0050.00317.63
8.2.60.0000.00817.63
8.2.50.0120.00818.10
8.2.40.0090.00918.10
8.2.30.0070.01018.10
8.2.20.0140.00318.10
8.2.10.0140.00318.10
8.2.00.0160.00018.10
8.1.330.0110.00821.93
8.1.320.0120.00615.87
8.1.310.0100.00716.54
8.1.300.0110.00417.85
8.1.290.0040.00830.84
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00723.92
8.1.230.0080.00321.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.43
8.1.190.0090.00017.23
8.1.180.0090.00718.10
8.1.170.0140.00418.10
8.1.160.0150.00418.10
8.1.150.0110.00718.10
8.1.140.0240.00018.10
8.1.130.0090.00918.10
8.1.120.0190.00018.10
8.1.110.0060.01218.10
8.1.100.0120.00418.10
8.1.90.0070.01118.10
8.1.80.0150.00318.10
8.1.70.0050.01118.10
8.1.60.0070.01118.10
8.1.50.0090.00918.10
8.1.40.0110.00818.10
8.1.30.0170.00018.10
8.1.20.0130.00618.10
8.1.10.0110.00718.10
8.1.00.0090.00918.10
8.0.300.0000.00918.77
8.0.290.0060.00316.75
8.0.280.0170.00018.10
8.0.270.0100.00618.10
8.0.260.0130.00318.10
8.0.250.0080.00818.10
8.0.240.0090.00918.10
8.0.230.0040.01318.10
8.0.220.0140.00618.10
8.0.210.0060.01218.10
8.0.200.0130.00718.10
8.0.190.0140.00418.10
8.0.180.0130.00718.10
8.0.170.0160.00418.10
8.0.160.0110.00818.10
8.0.150.0080.00818.10
8.0.140.0180.00418.10
8.0.130.0120.00618.10
8.0.120.0150.00318.10
8.0.110.0100.00618.10
8.0.100.0130.00618.10
8.0.90.0060.01118.10
8.0.80.0180.00018.10
8.0.70.0150.00318.10
8.0.60.0120.00818.10
8.0.50.0140.00618.10
8.0.30.0100.00718.10
8.0.20.0120.00618.10
8.0.10.0180.00018.10

preferences:
81.71 ms | 403 KiB | 5 Q