3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['color' => '#000000', 'size' => 'L', 'count' => 2], ['color' => '#000000', 'size' => 'XL', 'count' => 1], ['color' => '#ffffff', 'size' => 'L','count' => 2], ['color' => '#ffffff', 'size' => 'XL', 'count' => 1], ['color' => '#ff0000', 'size' => 'L', 'count' => 1] ]; $result = []; foreach ($array as $row) { if (!isset($result[$row['color']])) { $result[$row['color']] = $row; } elseif (isset($result[$row['color']]['count'])) { $result[$row['color']]['size'] = [ [ 'value' => $result[$row['color']]['size'], 'count' => $result[$row['color']]['count'] ], [ 'value' => $row['size'], 'count' => $row['count'] ] ]; unset($result[$row['color']]['count']); } else { $result[$row['color']]['size'][] = [ 'value' => $row['size'], 'count' => $row['count'] ]; } } echo json_encode(array_values($result), JSON_PRETTY_PRINT);

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)
8.4.130.0110.00917.57
8.4.120.0140.00620.52
8.4.110.0110.00922.60
8.4.100.0030.00617.93
8.4.90.0130.00920.23
8.4.80.0050.00317.74
8.4.70.0120.00717.92
8.4.60.0100.01118.72
8.4.50.0140.00620.45
8.4.40.0030.00717.94
8.4.30.0030.00718.86
8.4.20.0170.00317.66
8.4.10.0040.00421.97
8.3.260.0050.00516.47
8.3.250.0120.00818.97
8.3.240.0160.00416.79
8.3.230.0120.00816.78
8.3.220.0120.00617.13
8.3.210.0040.00419.16
8.3.200.0050.00416.52
8.3.190.0090.01117.14
8.3.180.0090.01016.65
8.3.170.0120.00617.02
8.3.160.0100.01116.71
8.3.150.0120.00316.73
8.3.140.0040.01118.88
8.3.130.0000.00818.50
8.3.120.0030.00618.93
8.3.110.0050.00320.94
8.3.100.0060.00324.06
8.3.90.0000.00926.77
8.3.80.0090.00018.55
8.3.70.0070.00716.58
8.3.60.0070.00716.75
8.3.50.0170.00020.11
8.3.40.0100.01021.55
8.3.30.0100.00618.67
8.3.20.0040.00424.18
8.3.10.0020.00524.66
8.3.00.0050.00326.16
8.2.290.0100.00920.53
8.2.280.0120.00718.53
8.2.270.0070.01017.09
8.2.260.0060.00318.80
8.2.250.0050.00316.55
8.2.240.0090.00016.96
8.2.230.0030.00622.58
8.2.220.0060.00337.54
8.2.210.0080.00026.77
8.2.200.0090.00018.54
8.2.190.0060.00918.30
8.2.180.0150.00325.92
8.2.170.0140.00018.91
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00420.38
8.2.100.0070.00417.91
8.2.90.0000.00817.63
8.2.80.0080.00018.82
8.2.70.0000.01017.63
8.2.60.0050.00317.93
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0070.00018.13
8.2.20.0040.00419.22
8.2.10.0050.00218.09
8.2.00.0080.00019.41
8.1.330.0100.00821.87
8.1.320.0120.00716.16
8.1.310.0100.00718.36
8.1.300.0050.00518.37
8.1.290.0030.00630.84
8.1.280.0090.00925.92
8.1.270.0090.00022.13
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0070.00323.75
8.1.230.0090.00322.05
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0080.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0040.00419.05
8.1.150.0040.00418.54
8.1.140.0000.00717.50
8.1.130.0030.00318.91
8.1.120.0000.00717.46
8.1.110.0040.00417.51
8.1.100.0040.00417.36
8.1.90.0100.00017.38
8.1.80.0090.00617.33
8.1.70.0130.00317.35
8.1.60.0150.00317.62
8.1.50.0130.00417.38
8.1.40.0100.00817.52
8.1.30.0090.00917.48
8.1.20.0060.00617.59
8.1.10.0100.00417.46
8.1.00.0050.00517.51
8.0.300.0000.00718.87
8.0.290.0050.00316.75
8.0.280.0030.00318.57
8.0.270.0070.00016.84
8.0.260.0030.00318.35
8.0.250.0070.00016.86
8.0.240.0030.00516.92
8.0.230.0070.00016.91
8.0.220.0070.00416.87
8.0.210.0070.00316.89
8.0.200.0080.00416.88
8.0.190.0060.00616.83
8.0.180.0080.00816.82
8.0.170.0130.00216.84
8.0.160.0110.00316.88
8.0.150.0080.00816.82
8.0.140.0160.00016.69
8.0.130.0090.00616.84
8.0.120.0100.00516.75
8.0.110.0100.00516.77
8.0.100.0100.00516.66
8.0.90.0070.00716.85
8.0.80.0140.00216.80
8.0.70.0100.00516.83
8.0.60.0100.00616.73
8.0.50.0120.00316.79
8.0.30.0070.00716.69
8.0.20.0150.00016.93
8.0.10.0120.00416.95
7.4.330.0060.00015.55
7.4.320.0030.00316.59
7.4.300.0000.00816.39
7.4.290.0130.00516.45
7.4.280.0140.00016.43
7.4.270.0070.00516.59
7.4.260.0040.00916.57
7.4.250.0150.00316.36
7.4.240.0170.00016.50
7.4.230.0130.00016.40
7.4.220.0000.01116.49
7.4.210.0110.00016.46
7.4.200.0030.00616.29
7.4.190.0130.00016.43
7.4.180.0070.00716.52
7.4.160.0090.00616.37
7.4.150.0050.01016.52
7.4.140.0110.00416.43
7.4.130.0070.00716.43
7.4.120.0140.00016.34
7.4.110.0090.00516.46
7.4.100.0110.00016.40
7.4.90.0040.00716.42
7.4.80.0050.00516.42
7.4.70.0110.00016.43
7.4.60.0060.00316.33
7.4.50.0120.00016.26
7.4.40.0070.00216.33
7.4.30.0000.00916.39
7.4.20.0080.00316.29
7.4.10.0110.00016.41
7.4.00.0060.00316.44

preferences:
33.15 ms | 403 KiB | 5 Q