3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['group' => 1, 'animal' => 'ape'], ['group' => 1, 'animal' => 'bat'], ['group' => 1, 'animal' => 'cat'], ['group' => 2, 'animal' => 'dog'], ['group' => 1, 'animal' => 'eel'], ['group' => 3, 'animal' => 'fox'], ['group' => 1, 'animal' => 'gnu'], ['group' => 2, 'animal' => 'hog'], ]; $result = []; foreach ($array as $row) { $result[$row['group']] ??= $row + ['count' => 0]; ++$result[$row['group']]['count']; } var_export(array_values($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)
8.5.10.0100.00620.12
8.5.00.0130.00920.01
8.4.160.0140.00723.99
8.4.150.0030.00014.05
8.4.140.0110.01117.49
8.4.130.0080.01118.48
8.4.120.0120.00823.98
8.4.110.0100.00918.61
8.4.100.0140.00818.70
8.4.90.0090.01118.69
8.4.80.0130.00618.47
8.4.70.0110.00817.83
8.4.60.0040.00418.73
8.4.50.0130.00717.71
8.4.40.0050.00518.84
8.4.30.0090.01118.84
8.4.20.0120.00817.72
8.4.10.0030.01623.77
8.3.280.0130.00718.45
8.3.270.0120.00716.40
8.3.260.0060.00416.39
8.3.250.0130.00618.77
8.3.240.0090.01017.13
8.3.230.0100.00816.58
8.3.220.0100.00719.13
8.3.210.0120.00716.86
8.3.200.0030.00616.64
8.3.190.0080.00918.95
8.3.180.0150.00318.65
8.3.170.0000.00819.23
8.3.160.0120.00618.22
8.3.150.0110.00717.12
8.3.140.0040.01117.05
8.3.130.0170.00318.46
8.3.120.0000.00918.94
8.3.110.0000.00920.94
8.3.100.0000.00918.46
8.3.90.0060.00326.77
8.3.80.0060.00318.19
8.3.70.0140.00418.43
8.3.60.0070.01118.43
8.3.50.0040.01516.73
8.3.40.0110.00421.89
8.3.30.0100.01018.66
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0060.00326.16
8.2.290.0100.00920.24
8.2.280.0070.00418.20
8.2.270.0100.00317.12
8.2.260.0050.00320.55
8.2.250.0090.00016.88
8.2.240.0090.00018.79
8.2.230.0090.00022.58
8.2.220.0060.00324.06
8.2.210.0100.00026.77
8.2.200.0060.00316.38
8.2.190.0130.00316.58
8.2.180.0120.00316.63
8.2.170.0040.01119.09
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00821.13
8.2.110.0030.00720.40
8.2.100.0120.00017.61
8.2.90.0040.00417.75
8.2.80.0060.00318.66
8.2.70.0060.00317.75
8.2.60.0000.00917.63
8.2.50.0120.00818.10
8.2.40.0130.00318.10
8.2.30.0140.00318.10
8.2.20.0000.00818.10
8.2.10.0090.00918.10
8.2.00.0120.00318.10
8.1.330.0110.00722.00
8.1.320.0110.00716.31
8.1.310.0080.00016.80
8.1.300.0100.00017.89
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00324.04
8.1.230.0060.00617.42
8.1.220.0040.00418.64
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0060.00818.10
8.1.170.0090.00618.10
8.1.160.0110.00418.10
8.1.150.0080.00818.10
8.1.140.0120.00418.10
8.1.130.0050.01118.10
8.1.120.0130.00418.10
8.1.110.0120.00618.10
8.1.100.0050.01118.10
8.1.90.0090.00718.10
8.1.80.0130.00418.10
8.1.70.0130.00718.10
8.1.60.0160.00318.10
8.1.50.0180.00018.10
8.1.40.0080.00818.10
8.1.30.0120.00618.10
8.1.20.0060.01218.10
8.1.10.0100.00718.10
8.1.00.0140.00218.10
8.0.300.0040.00718.77
8.0.290.0070.00016.63
8.0.280.0130.00318.10
8.0.270.0110.00518.10
8.0.260.0060.01118.10
8.0.250.0100.00718.10
8.0.240.0120.00418.10
8.0.230.0120.00418.10
8.0.220.0160.00018.10
8.0.210.0080.00818.10
8.0.200.0120.00418.10
8.0.190.0160.00018.10
8.0.180.0130.00418.10
8.0.170.0130.00418.10
8.0.160.0160.00018.10
8.0.150.0090.00918.10
8.0.140.0170.00018.10
8.0.130.0040.01218.10
8.0.120.0170.00018.10
8.0.110.0130.00418.10
8.0.100.0040.01218.10
8.0.90.0140.00318.10
8.0.80.0130.00318.10
8.0.70.0110.00518.10
8.0.60.0090.00918.10
8.0.50.0170.00018.10
8.0.30.0110.00518.10
8.0.20.0130.00218.10
8.0.10.0140.00318.10
5.4.450.0040.00418.10

preferences:
39.02 ms | 403 KiB | 5 Q