3v4l.org

run code in 300+ PHP versions simultaneously
<?php function qs($a) { $s = count($a); if($s < 2) { return $a; } $pv = ceil($s/2); $i = array_slice($a, $pv, 1, true); $k1 = array_keys($i); $k1 = $k1[0]; $v1 = array_values($i); $v1 = $v1[0]; unset($a[$k1]); $l = array(); $r = array(); foreach($a as $k => $v) { if($v <= $v1) { $l[$k] = $v; } else { $r[$k] = $v; } } return array_merge(qs($l), array($k1 => $v1), qs($r)); } $array = range(0, 100); shuffle($array); print_r($array); var_dump(qs($array));

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)
7.4.10.0040.01514.79
7.4.00.0080.01115.03
7.3.130.0040.01414.96
7.3.120.0050.01314.71
7.3.110.0090.01014.91
7.3.100.0050.01214.90
7.3.90.0020.01214.91
7.3.80.0040.01014.93
7.3.70.0050.01014.93
7.3.60.0070.00714.89
7.3.50.0070.01014.98
7.3.40.0070.00714.84
7.3.30.0080.00714.90
7.3.20.0050.01116.85
7.3.10.0060.00816.66
7.3.00.0040.01316.61
7.2.260.0040.01415.02
7.2.250.0070.01015.07
7.2.240.0090.00715.25
7.2.230.0080.01015.08
7.2.220.0060.01115.21
7.2.210.0070.01015.33
7.2.200.0090.00415.06
7.2.190.0040.01315.15
7.2.180.0070.00915.05
7.2.170.0060.01115.23
7.2.160.0120.00615.22
7.2.150.0040.01116.66
7.2.140.0000.01417.02
7.2.130.0000.01716.92
7.2.120.0030.01416.68
7.2.110.0040.01516.82
7.2.100.0100.00616.88
7.2.90.0070.01016.71
7.2.80.0060.00917.09
7.2.70.0000.01616.96
7.2.60.0030.00917.11
7.2.50.0070.00716.91
7.2.40.0000.01116.85
7.2.30.0090.00317.13
7.2.20.0040.00816.95
7.2.10.0070.01016.96
7.2.00.0070.00317.13
7.1.330.0020.01415.78
7.1.320.0050.01215.76
7.1.310.0070.00715.83
7.1.300.0060.01015.92
7.1.290.0070.00715.87
7.1.280.0040.01015.74
7.1.270.0050.01115.64
7.1.260.0080.00815.96
7.1.250.0030.00615.89
7.1.240.0120.00315.99
7.1.230.0060.00915.77
7.1.220.0110.00415.75
7.1.210.0120.00315.94
7.1.200.0090.00615.65
7.1.190.0070.00315.72
7.1.180.0090.00315.57
7.1.170.0000.01515.98
7.1.160.0040.00815.98
7.1.150.0030.01015.67
7.1.140.0030.00715.71
7.1.130.0070.00716.05
7.1.120.0040.00715.66
7.1.110.0070.00715.79
7.1.100.0100.00315.57
7.1.90.0070.01015.78
7.1.80.0030.01115.59
7.1.70.0060.00716.48
7.1.60.0090.00716.57
7.1.50.0060.01316.29
7.1.40.0070.00715.71
7.1.30.0000.01615.99
7.1.20.0030.01015.88
7.1.10.0060.00615.91
7.1.00.0050.04319.14
7.0.330.0030.00915.35
7.0.320.0060.00615.11
7.0.310.0070.01115.39
7.0.300.0120.00315.12
7.0.290.0110.00415.50
7.0.280.0030.00615.39
7.0.270.0060.00615.45
7.0.260.0110.00615.48
7.0.250.0040.01115.41
7.0.240.0090.00315.45
7.0.230.0030.01315.32
7.0.220.0000.01615.36
7.0.210.0080.00415.56
7.0.200.0050.00516.11
7.0.190.0100.01015.21
7.0.180.0100.00615.25
7.0.170.0100.00715.39
7.0.160.0120.00015.58
7.0.150.0030.01515.34
7.0.140.0080.03618.71
7.0.130.0080.03718.63
7.0.120.0070.04218.93
7.0.110.0050.04318.73
7.0.100.0020.04418.73
7.0.90.0050.04518.70
7.0.80.0060.03818.73
7.0.70.0050.04118.79
7.0.60.0120.03018.80
7.0.50.0030.04318.79
7.0.40.0040.04617.73
7.0.30.0070.04217.78
7.0.20.0080.03817.67
7.0.10.0060.03817.77
7.0.00.0070.04117.77
5.6.400.0030.01014.74
5.6.390.0030.01014.43
5.6.380.0060.00914.72
5.6.370.0040.00714.57
5.6.360.0060.01314.81
5.6.350.0030.01314.75
5.6.340.0060.00614.64
5.6.330.0160.00314.55
5.6.320.0060.01014.53
5.6.310.0110.00414.78
5.6.300.0090.00914.05
5.6.290.0110.00714.87
5.6.280.0080.04017.83
5.6.270.0050.04217.87
5.6.260.0080.03317.88
5.6.250.0060.04017.67
5.6.240.0050.04517.87
5.6.230.0060.03817.98
5.6.220.0090.03717.87
5.6.210.0050.04417.71
5.6.200.0060.04117.82
5.6.190.0050.04217.83
5.6.180.0090.03917.84
5.6.170.0020.04217.82
5.6.160.0070.04017.67
5.6.150.0090.04017.83
5.6.140.0070.04317.80
5.6.130.0090.03917.80
5.6.120.0040.04517.77
5.6.110.0100.03817.71
5.6.100.0030.04317.75
5.6.90.0050.04117.70
5.6.80.0080.03817.64
5.6.70.0040.04117.44
5.6.60.0070.04017.63
5.6.50.0050.04217.42
5.6.40.0030.04317.48
5.6.30.0140.03517.53
5.6.20.0030.04317.34
5.6.10.0050.04017.53
5.6.00.0050.04017.28
5.5.380.0080.03616.20
5.5.370.0040.04216.03
5.5.360.0020.04616.08
5.5.350.0070.03815.96
5.5.340.0070.04716.46
5.5.330.0040.04316.37
5.5.320.0080.03616.36
5.5.310.0050.04016.43
5.5.300.0020.04816.11
5.5.290.0060.04116.38
5.5.280.0020.04716.38
5.5.270.0090.03716.42
5.5.260.0030.04516.33
5.5.250.0050.04015.97
5.5.240.0100.03515.85
5.5.230.0050.04015.68
5.5.220.0070.03515.86
5.5.210.0030.03516.03
5.5.200.0100.03715.87
5.5.190.0000.04315.97
5.5.180.0050.04216.01
5.5.170.0150.00414.65
5.5.160.0040.04016.02
5.5.150.0020.04316.01
5.5.140.0070.04015.90
5.5.130.0090.03515.89
5.5.120.0030.04115.94
5.5.110.0050.03915.94
5.5.100.0050.04215.69
5.5.90.0020.04115.83
5.5.80.0060.03815.90
5.5.70.0100.03315.77
5.5.60.0020.04215.79
5.5.50.0060.03815.70
5.5.40.0100.03316.04
5.5.30.0070.03615.85
5.5.20.0070.04015.99
5.5.10.0070.03515.95
5.5.00.0030.04315.92
5.4.450.0040.04415.52
5.4.440.0020.04715.36
5.4.430.0060.03015.51
5.4.420.0100.03715.50
5.4.410.0080.03615.33
5.4.400.0030.03815.27
5.4.390.0070.03715.39
5.4.380.0060.03815.29
5.4.370.0030.03715.16
5.4.360.0020.04315.21
5.4.350.0050.03715.28
5.4.340.0080.03815.18
5.4.330.0070.00311.37
5.4.320.0080.03815.19
5.4.310.0040.03715.29
5.4.300.0000.04315.38
5.4.290.0030.04015.29
5.4.280.0080.03615.24
5.4.270.0020.04215.29
5.4.260.0100.03215.28
5.4.250.0080.03715.21
5.4.240.0050.04015.18
5.4.230.0080.03315.12
5.4.220.0020.04115.30
5.4.210.0090.03215.29
5.4.200.0060.03815.31
5.4.190.0070.03915.29
5.4.180.0030.03715.36
5.4.170.0050.03715.26
5.4.160.0080.03515.20
5.4.150.0020.05215.25
5.4.140.0050.03613.98
5.4.130.0030.03713.92
5.4.120.0070.03513.87
5.4.110.0050.03513.89
5.4.100.0070.03513.97
5.4.90.0050.03014.05
5.4.80.0050.03414.00
5.4.70.0070.03513.98
5.4.60.0030.03713.82
5.4.50.0050.03413.98
5.4.40.0050.03513.95
5.4.30.0050.03613.93
5.4.20.0040.03713.87
5.4.10.0100.03413.96
5.4.00.0050.03013.60
5.3.290.0080.03913.15
5.3.280.0040.03713.02
5.3.270.0030.04013.00
5.3.260.0120.03513.11
5.3.250.0070.03713.14
5.3.240.0030.04012.98
5.3.230.0000.04013.06
5.3.220.0030.03613.06
5.3.210.0050.03913.10
5.3.200.0000.04213.02
5.3.190.0020.04013.12
5.3.180.0020.04213.13
5.3.170.0040.04013.02
5.3.160.0050.03813.05
5.3.150.0060.03613.02
5.3.140.0030.03813.13
5.3.130.0020.04213.01
5.3.120.0030.03613.04
5.3.110.0030.04013.01
5.3.100.0020.03712.85
5.3.90.0050.03512.73
5.3.80.0050.03312.83
5.3.70.0040.03712.71
5.3.60.0100.03012.77
5.3.50.0030.03712.81
5.3.40.0030.04012.69
5.3.30.0000.03912.72
5.3.20.0030.03612.53
5.3.10.0050.03212.55
5.3.00.0050.03412.53

preferences:
40.17 ms | 400 KiB | 5 Q