3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 2 => 'kategorie_01', 'tags' => [ 1 => 'tag_01', 2 => 'tag_02', ], ], [ 3 => 'kategorie_02', 'tags' => [ 2 => 'tag_02', ], ], [ 1 => 'Default', 'tags' => [ 1 => 'tag_01', 2 => 'tag_02', ], ], [ 2 => 'kategorie_01', 'tags' => [ 2 => 'tag_02', 3 => 'tag_03', ], ], ]; $result = []; foreach ($array as $set) { foreach ($set as $k => $v) { if ($k !== 'tags') { $cat = $v; if (!isset($ref[$v])) { $ref[$v] = $set; $result[] = &$ref[$v]; } } else { $ref[$cat]['tags'] += $v; } } } var_export($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)
8.5.10.0050.00416.67
8.5.00.0100.01020.16
8.4.160.0150.00523.93
8.4.150.0020.00014.05
8.4.140.0080.01317.60
8.4.130.0050.00519.43
8.4.120.0030.00520.84
8.4.110.0090.01118.74
8.4.100.0050.00517.55
8.4.90.0120.01017.88
8.4.80.0060.00318.12
8.4.70.0130.00817.73
8.4.60.0110.01017.81
8.4.50.0120.00718.77
8.4.40.0120.00318.83
8.4.30.0090.01022.39
8.4.20.0070.01417.51
8.4.10.0100.01019.64
8.3.280.0030.00720.19
8.3.270.0120.00716.72
8.3.260.0110.00516.69
8.3.250.0120.00618.66
8.3.240.0130.00616.61
8.3.230.0100.01016.45
8.3.220.0070.00117.42
8.3.210.0060.01216.69
8.3.200.0070.01216.95
8.3.190.0140.00816.54
8.3.180.0060.00316.68
8.3.170.0070.01118.93
8.3.160.0100.01016.71
8.3.150.0060.01220.80
8.3.140.0030.00716.49
8.3.130.0000.00918.38
8.3.120.0100.00318.75
8.3.110.0030.00620.94
8.3.100.0100.00616.70
8.3.90.0070.00026.77
8.3.80.0040.00417.97
8.3.70.0140.00418.43
8.3.60.0080.00816.63
8.3.50.0070.01518.63
8.3.40.0080.00820.29
8.3.30.0040.01121.72
8.3.20.0050.00324.18
8.3.10.0030.00524.66
8.3.00.0040.00426.16
8.2.290.0070.00220.54
8.2.280.0060.00220.55
8.2.270.0100.00717.10
8.2.260.0000.00718.36
8.2.250.0000.00816.54
8.2.240.0030.00616.96
8.2.230.0090.00022.58
8.2.220.0060.00324.06
8.2.210.0050.00326.77
8.2.200.0060.00316.38
8.2.190.0090.00616.58
8.2.180.0150.00618.18
8.2.170.0130.00318.94
8.2.160.0070.00722.96
8.2.150.0050.00325.66
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00420.86
8.2.110.0120.00922.24
8.2.100.0160.00620.73
8.2.90.0250.00720.55
8.2.80.0230.00918.77
8.2.70.0290.00418.91
8.2.60.0090.00918.75
8.2.50.0210.00318.71
8.2.40.0110.00718.86
8.2.30.0180.00918.79
8.2.20.0180.00618.78
8.2.10.0320.00319.06
8.2.00.0260.01019.20
8.1.330.0090.00916.57
8.1.320.0080.01016.16
8.1.310.0160.00316.66
8.1.300.0070.01120.13
8.1.290.0080.00030.84
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0110.01518.57
8.1.230.0210.01518.43
8.1.220.0150.01518.44
8.1.210.0270.00319.88
8.1.200.0180.01418.60
8.1.190.0240.00918.55
8.1.180.0220.01618.56
8.1.170.0190.00618.46
8.1.160.0090.00918.48
8.1.150.0220.01120.31
8.1.140.0220.00318.46
8.1.130.0160.00918.56
8.1.120.0240.01018.54
8.1.110.0280.00718.60
8.1.100.0330.00618.50
8.1.90.0070.00718.59
8.1.80.0230.01018.48
8.1.70.0190.00618.48
8.1.60.0250.00918.88
8.1.50.0130.00718.58
8.1.40.0220.01018.73
8.1.30.0190.01118.88
8.1.20.0220.00918.74
8.1.10.0170.00018.66
8.1.00.0090.00518.74
8.0.300.0180.00617.74
8.0.290.0270.01018.00
8.0.280.0230.00617.95
8.0.270.0220.00617.80
8.0.260.0120.00418.01
8.0.250.0250.01017.85
8.0.240.0250.00718.02
8.0.230.0230.00818.39
8.0.220.0180.01117.66
8.0.210.0160.00517.88
8.0.200.0170.00418.00
8.0.190.0310.00317.97
8.0.180.0200.00017.88
8.0.170.0180.00017.87
8.0.160.0290.01018.00
8.0.150.0220.01317.84
8.0.140.0360.00017.86
8.0.130.0210.00718.09
8.0.120.0320.00617.69
8.0.110.0340.00317.98
8.0.100.0250.01117.88
8.0.90.0240.01417.77
8.0.80.0350.00017.63
8.0.70.0200.00717.88
8.0.60.0340.00317.88
8.0.50.0230.01017.75
8.0.30.0200.01018.04
8.0.20.0290.00617.94
8.0.10.0280.00917.98

preferences:
93.91 ms | 403 KiB | 5 Q