3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['_id' => '5f76b1788ee23077dccd1a2c', 'product' => ['_id'=>'5d0391a4a72ffe76b8fcc610'], 'count'=> 1], ['_id' => '5f76b6288ee2300700cd1a3a', 'product' => ['_id'=>'5d0391b6a72ffe76b8fcc611'], 'count'=> 1], ['_id' => '5f76d2488ee23083d3cd1a4a', 'product' => ['_id'=>'5d0391b6a72ffe76b8fcc611'], 'count'=> 1] ]; $result = []; foreach ($array as $item) { $productId = $item['product']['_id']; if (!isset($result[$productId])) { $result[$productId] = $item; } else { $result[$productId]['count'] += $item['count']; } } var_export(array_values($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)
8.3.60.0140.00718.55
8.3.50.0070.01416.31
8.3.40.0200.00321.95
8.3.30.0000.01418.68
8.3.20.0100.00024.18
8.3.10.0050.00224.66
8.3.00.0020.00526.16
8.2.180.0070.00725.92
8.2.170.0080.00819.03
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0070.00026.35
8.2.110.0030.00722.21
8.2.100.0040.00819.51
8.2.90.0080.00017.63
8.2.80.0000.00818.78
8.2.70.0040.00417.63
8.2.60.0040.00417.63
8.2.50.0030.00517.63
8.2.40.0040.00420.00
8.2.30.0020.00518.23
8.2.20.0040.00418.13
8.2.10.0040.00419.32
8.2.00.0050.00319.20
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0100.00019.26
8.1.230.0060.00621.04
8.1.220.0030.00618.55
8.1.210.0000.00818.77
8.1.200.0000.00917.35
8.1.190.0040.00416.72
8.1.180.0040.00418.10
8.1.170.0040.00418.91
8.1.160.0000.00718.91
8.1.150.0070.00018.88
8.1.140.0080.00018.82
8.1.130.0000.00817.43
8.1.120.0080.00017.39
8.1.110.0080.00017.33
8.1.100.0030.00317.39
8.1.90.0040.00417.45
8.1.80.0040.00417.44
8.1.70.0000.00817.45
8.1.60.0040.00417.47
8.1.50.0000.00817.54
8.1.40.0000.00817.55
8.1.30.0090.00017.74
8.1.20.0040.00417.54
8.1.10.0030.00517.48
8.1.00.0030.00717.35
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.45
8.0.270.0000.00818.08
8.0.260.0070.00016.80
8.0.250.0070.00017.00
8.0.240.0070.00017.01
8.0.230.0000.00816.86
8.0.220.0000.00716.79
8.0.210.0040.00416.92
8.0.200.0030.00316.96
8.0.190.0000.00716.98
8.0.180.0050.00316.77
8.0.170.0000.00916.82
8.0.160.0000.00716.96
8.0.150.0030.00316.79
8.0.140.0030.00516.88
8.0.130.0050.00013.33
8.0.120.0040.00416.91
8.0.110.0040.00416.89
8.0.100.0040.00416.94
8.0.90.0080.00016.93
8.0.80.0080.00716.86
8.0.70.0070.00016.78
8.0.60.0000.00816.96
8.0.50.0000.00716.88
8.0.30.0160.01317.08
8.0.20.0070.01117.07
8.0.10.0000.00717.00
8.0.00.0100.01016.79
7.4.330.0050.00015.55
7.4.320.0000.00716.65
7.4.300.0030.00316.37
7.4.290.0050.00316.52
7.4.280.0000.00816.61
7.4.270.0050.00216.61
7.4.260.0030.00313.29
7.4.250.0000.00716.40
7.4.240.0080.00016.64
7.4.230.0040.00416.72
7.4.220.0050.00216.56
7.4.210.0100.00716.57
7.4.200.0040.00316.35
7.4.130.0080.01016.62
7.4.120.0120.01116.52
7.4.110.0070.01016.54
7.4.100.0120.01216.51
7.4.90.0090.01016.23
7.4.80.0130.00916.35
7.4.70.0120.00616.49
7.4.60.0110.00716.44
7.4.50.0170.00716.43
7.4.40.0180.00616.31
7.4.30.0030.01516.42
7.4.20.0070.01616.48
7.4.10.0150.00716.51
7.4.00.0100.01016.56
7.3.330.0000.00716.38
7.3.320.0000.00613.21
7.3.310.0070.00016.37
7.3.300.0030.00316.16
7.3.290.0060.00916.32
7.3.260.0130.00716.55
7.3.230.0070.01016.46
7.3.220.0030.01416.39
7.3.210.0160.00316.25
7.3.200.0130.00416.34
7.3.190.0070.01016.24
7.3.180.0220.00016.64
7.3.170.0130.00616.31
7.3.160.0060.01216.64
7.3.150.0100.01016.28
7.3.140.0100.01316.49
7.3.130.0100.01316.26
7.3.120.0030.01416.49
7.3.110.0160.00016.24
7.3.100.0070.01016.35
7.3.90.0130.00916.31
7.3.80.0100.00716.36
7.3.70.0030.01316.29
7.3.60.0130.01316.34
7.3.50.0170.00916.32
7.3.40.0070.01016.48
7.3.30.0030.01416.40
7.3.20.0110.00716.41
7.3.10.0090.00916.35
7.3.00.0140.00316.25
7.2.340.0090.00916.45
7.2.330.0030.01416.61
7.2.320.0120.00616.43
7.2.310.0090.01516.70
7.2.300.0170.00716.68
7.2.290.0120.00916.77
7.2.280.0080.01516.73
7.2.270.0160.00316.54
7.2.260.0090.01316.62
7.2.250.0070.01016.57
7.2.240.0100.00716.85
7.2.230.0100.00716.56
7.2.220.0090.00916.51
7.2.210.0100.00716.71
7.2.200.0100.01616.61
7.2.190.0100.01716.46
7.2.180.0000.01716.61
7.2.170.0110.01416.66
7.2.160.0140.00316.62
7.2.150.0150.00316.66
7.2.140.0090.00916.67
7.2.130.0160.00316.72
7.2.120.0150.00616.73
7.2.110.0100.01016.60
7.2.100.0070.01116.60
7.2.90.0190.00716.63
7.2.80.0960.00716.68
7.2.70.0120.01216.80
7.2.60.0130.00316.61
7.2.50.0070.01616.59
7.2.40.0100.01316.74
7.2.30.0070.01016.61
7.2.20.0100.00716.52
7.2.10.0060.01216.64
7.2.00.0090.00916.68

preferences:
35.03 ms | 400 KiB | 5 Q