3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* span :: (a -> Bool) -> [a] -> ([a],[a]) span _ xs@[] = (xs, xs) span p xs@(x:xs') | p x = let (ys,zs) = span p xs' in (x:ys,zs) | otherwise = ([],xs) */ function span($p, $xs) { if (empty($xs)) { return [[], []]; } $xs_ = $xs; $x = array_shift($xs_); if ($p($x)) { list($ys, $zs) = span($p, $xs_); return [array_merge([$x], $ys), $zs]; } return [[], $xs]; } /* groupBy :: (a -> a -> Bool) -> [a] -> [[a]] groupBy _ [] = [] groupBy eq (x:xs) = (x:ys) : groupBy eq zs where (ys,zs) = span (eq x) xs */ function array_group(callable $eq, array $xs) { if (empty($xs)) { return []; } $x = array_shift($xs); // curry of $eq $eqx = function ($y) use ($eq, $x) { return $eq($x, $y); }; list($ys, $zs) = span($eqx, $xs); return array_merge([array_merge([$x], $ys)], array_group($eq, $zs)); } function it($m,$p){echo ($p?'OK':'NO')." It $m\n"; if(!$p){$GLOBALS['f']=1;}} function done(){if(@$GLOBALS['f'])die(1);} it('spans elements which match', span(function ($x) { return $x < 3; }, [1, 2, 3]) === [[1, 2], [3]]); it('spans elements which match from the start', span(function ($x) { return $x == 3; }, [1, 6, 3, 3]) === [[], [1, 2, 3, 3]]); it('spans returns empty lists on empty list', span(function ($x) { return false; }, []) === [[], []]); it('groups elements recursively', array_group(function ($a, $b) { return $a <= ($b-1); }, [1, 1, 2, 1]) === [[1, 1], [2], [1]]);

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)
8.3.60.0110.00418.18
8.3.50.0150.00921.11
8.3.40.0150.00618.70
8.3.30.0030.01019.07
8.3.20.0000.00820.20
8.3.10.0050.00323.57
8.3.00.0130.00619.36
8.2.180.0090.00916.63
8.2.170.0070.01422.96
8.2.160.0170.00320.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.06
8.2.110.0030.00722.25
8.2.100.0090.00317.63
8.2.90.0000.00819.34
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0070.00418.16
8.2.50.0000.00818.07
8.2.40.0040.00419.88
8.2.30.0050.00218.18
8.2.20.0040.00417.67
8.2.10.0040.00418.10
8.2.00.0040.00417.78
8.1.280.0140.00025.92
8.1.270.0040.00422.09
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0050.00523.81
8.1.230.0060.00618.97
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0050.00517.22
8.1.180.0030.00618.10
8.1.170.0000.00918.54
8.1.160.0040.00422.00
8.1.150.0000.00718.93
8.1.140.0070.00017.41
8.1.130.0030.00317.88
8.1.120.0040.00417.50
8.1.110.0020.00517.48
8.1.100.0000.00717.37
8.1.90.0000.00817.44
8.1.80.0000.00717.48
8.1.70.0000.00717.39
8.1.60.0000.00817.52
8.1.50.0080.00017.60
8.1.40.0040.00417.57
8.1.30.0050.00317.61
8.1.20.0040.00417.76
8.1.10.0040.00417.65
8.1.00.0030.00617.58
8.0.300.0070.00018.77
8.0.290.0040.00716.63
8.0.280.0000.00718.47
8.0.270.0000.00717.22
8.0.260.0030.00317.32
8.0.250.0030.00317.11
8.0.240.0030.00317.05
8.0.230.0040.00417.14
8.0.220.0030.00317.03
8.0.210.0070.00016.87
8.0.200.0070.00016.98
8.0.190.0060.00316.96
8.0.180.0060.00316.92
8.0.170.0090.00017.05
8.0.160.0040.00417.09
8.0.150.0040.00416.82
8.0.140.0050.00316.99
8.0.130.0030.00313.43
8.0.120.0040.00416.86
8.0.110.0000.00716.93
8.0.100.0000.00816.97
8.0.90.0040.00416.91
8.0.80.0110.00716.96
8.0.70.0040.00417.06
8.0.60.0040.00417.05
8.0.50.0000.00817.02
8.0.30.0160.01017.10
8.0.20.0050.01417.40
8.0.10.0000.00717.13
8.0.00.0090.00816.90
7.4.330.0000.00615.09
7.4.320.0080.00016.65
7.4.300.0000.00616.46
7.4.290.0030.00316.42
7.4.280.0030.00316.56
7.4.270.0000.00816.48
7.4.260.0050.00316.63
7.4.250.0000.00716.54
7.4.240.0020.00616.64
7.4.230.0070.00016.68
7.4.220.0180.00016.69
7.4.210.0070.00716.52
7.4.200.0000.00716.68
7.4.160.0030.01316.46
7.4.150.0100.01017.40
7.4.140.0050.01317.86
7.4.130.0130.00916.59
7.4.120.0080.01116.65
7.4.110.0070.01016.55
7.4.100.0110.00616.65
7.4.90.0140.00316.57
7.4.80.0190.01619.39
7.4.70.0080.01116.58
7.4.60.0060.01116.54
7.4.50.0040.00016.28
7.4.40.0030.01416.26
7.4.30.0080.01216.51
7.4.00.0070.00715.19
7.3.330.0000.00513.41
7.3.320.0000.00613.21
7.3.310.0000.00816.38
7.3.300.0050.00316.37
7.3.290.0100.00816.39
7.3.280.0060.01016.39
7.3.270.0140.00617.40
7.3.260.0120.00916.67
7.3.250.0080.01016.51
7.3.240.0110.00616.46
7.3.230.0120.00616.45
7.3.210.0090.00916.54
7.3.200.0120.00619.39
7.3.190.0070.01016.61
7.3.180.0160.00016.64
7.3.170.0150.00416.46
7.3.160.0060.01216.41
7.2.330.0120.00616.80
7.2.320.0090.00916.63
7.2.310.0100.00616.62
7.2.300.0080.01716.37
7.2.290.0120.00916.77
7.2.60.0070.00316.75
7.2.00.0040.00719.30
7.1.200.0070.00315.87
7.1.100.0030.01317.91
7.1.70.0030.00316.87
7.1.60.0120.01219.11
7.1.50.0180.00716.84
7.1.00.0070.07322.24
7.0.200.0060.00616.68
7.0.140.0030.07022.02
7.0.60.0100.08020.04
7.0.50.0100.08018.01
7.0.40.0100.08720.29
7.0.30.0300.07720.21
7.0.20.0200.04020.23
7.0.10.0100.03720.09
7.0.00.0030.09020.05
5.6.280.0030.07320.89
5.6.210.0070.08020.59
5.6.200.0070.04318.19
5.6.190.0100.05020.77
5.6.180.0300.07320.60
5.6.170.0400.06720.57
5.6.160.0170.05020.39
5.6.150.0170.06718.16
5.6.140.0030.08718.29
5.6.130.0170.07718.15
5.6.120.0230.07021.04
5.6.110.0130.07721.16
5.6.100.0030.04320.91
5.6.90.0130.07720.97
5.6.80.0000.04320.41
5.6.70.4530.04020.53
5.5.350.0200.08020.40
5.5.340.0030.08717.97
5.5.330.0100.05720.28
5.5.320.0500.06320.30
5.5.310.0230.08020.27
5.5.300.0070.07717.99
5.5.290.0030.07318.09
5.5.280.0030.04320.92
5.5.270.0100.06320.70
5.5.260.0170.04020.89
5.5.250.0100.08020.61
5.5.240.0300.07020.07
5.4.450.0330.05319.29
5.4.440.0800.07719.61
5.4.430.0670.06019.50
5.4.420.0770.07719.42
5.4.410.0700.05319.06
5.4.400.0630.06019.28
5.4.390.0700.06019.28
5.4.380.0730.05019.15
5.4.370.0900.06319.27
5.4.360.0700.06019.15
5.4.350.0700.05319.27
5.4.340.0090.03312.04
5.4.320.0070.03612.53
5.4.310.0040.04112.52
5.4.300.0050.03812.53
5.4.290.0090.03612.52
5.4.280.0080.03512.43
5.4.270.0060.03712.42
5.4.260.0050.03912.43
5.4.250.0080.03712.42
5.4.240.0090.03412.42
5.4.230.0080.03712.41
5.4.220.0080.03512.42
5.4.210.0060.03712.41
5.4.200.0090.03712.41
5.4.190.0060.03712.41
5.4.180.0060.03712.41
5.4.170.0070.03712.43
5.4.160.0100.03312.42
5.4.150.0060.03612.42
5.4.140.0060.03912.10
5.4.130.0080.03812.09
5.4.120.0120.04312.04
5.4.110.0060.03612.04
5.4.100.0070.03412.04
5.4.90.0040.04012.04
5.4.80.0080.03512.04
5.4.70.0060.03612.03
5.4.60.0040.03712.03
5.4.50.0070.03512.04
5.4.40.0050.04212.02
5.4.30.0100.04412.02
5.4.20.0030.04012.02
5.4.10.0050.03612.02
5.4.00.0090.03711.51
5.3.290.0070.04112.80
5.3.280.0060.04012.71
5.3.270.0100.04112.72
5.3.260.0100.06012.71
5.3.250.0070.04712.72
5.3.240.0070.03912.72
5.3.230.0040.04412.71
5.3.220.0080.03812.68
5.3.210.0060.04212.68
5.3.200.0080.04112.68
5.3.190.0070.03712.68
5.3.180.0070.03512.67
5.3.170.0070.04112.67
5.3.160.0090.04912.67
5.3.150.0070.04812.67
5.3.140.0030.04012.66
5.3.130.0080.04312.66
5.3.120.0070.03712.66
5.3.110.0050.04012.66
5.3.100.0050.03912.13
5.3.90.0050.03912.11
5.3.80.0060.04212.09
5.3.70.0080.04112.09
5.3.60.0080.03812.09
5.3.50.0030.03912.04
5.3.40.0060.03912.02
5.3.30.0060.04011.98
5.3.20.0080.04811.77
5.3.10.0080.04411.73
5.3.00.0100.03711.72
5.2.170.0040.0329.22
5.2.160.0020.0339.23
5.2.150.0040.0329.22
5.2.140.0110.0369.22
5.2.130.0110.0359.18
5.2.120.0050.0359.18
5.2.110.0050.0389.18
5.2.100.0040.0409.18
5.2.90.0050.0399.18
5.2.80.0050.0389.17
5.2.70.0040.0329.17
5.2.60.0030.0329.13
5.2.50.0060.0339.10
5.2.40.0070.0329.07
5.2.30.0040.0319.05
5.2.20.0040.0299.05
5.2.10.0030.0338.95
5.2.00.0080.0278.81
5.1.60.0060.0228.09
5.1.50.0050.0268.08
5.1.40.0090.0248.07
5.1.30.0080.0258.43
5.1.20.0110.0258.44
5.1.10.0020.0378.16
5.1.00.0050.0308.16
5.0.50.0060.0196.64
5.0.40.0050.0226.50
5.0.30.0050.0336.31
5.0.20.0100.0206.28
5.0.10.0030.0236.26
5.0.00.0070.0346.26
4.4.90.0020.0194.78
4.4.80.0060.0174.76
4.4.70.0050.0174.76
4.4.60.0050.0154.75
4.4.50.0040.0164.77
4.4.40.0030.0274.71
4.4.30.0010.0184.76
4.4.20.0040.0154.84
4.4.10.0010.0204.85
4.4.00.0030.0254.75
4.3.110.0020.0164.67
4.3.100.0010.0174.67
4.3.90.0040.0194.63
4.3.80.0040.0274.59
4.3.70.0020.0164.63
4.3.60.0040.0144.63
4.3.50.0020.0174.63
4.3.40.0020.0264.54
4.3.30.0030.0163.30
4.3.20.0030.0213.28
4.3.10.0040.0173.24
4.3.00.0000.0236.92

preferences:
30.92 ms | 400 KiB | 5 Q