3v4l.org

run code in 300+ PHP versions simultaneously
<?php $old_arr = array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40); $size = count($old_arr); for($i=0;$i<=39;$i++){ if ($i<=7){ $a[] = $old_arr[$i]; }elseif ($i>7 && $i<=15){ $b[] = $old_arr[$i]; }elseif ($i>15 && $i<=23){ $c[] = $old_arr[$i]; }elseif ($i>23 && $i<=31){ $d[] = $old_arr[$i]; } elseif ($i>31){ $e[] = $old_arr[$i]; } } $new_arr = array(); $group_order[] = array(); unset($group_order[0]); $group_order = array_values($group_order); $temp = 0; while(count($new_arr)<$size){ if (!empty($group_order)){ $temp = $group_order[4]; } foreach ($group_order as $i => $value) { unset($group_order[$i]); } $group_order = array_values($group_order); while(count($group_order)<5){ $x=mt_rand(1,5); if(in_array($x,$group_order) == false && $x != $temp){ $group_order[] = $x; $temp = 0; } } print_r($group_order); foreach ($group_order as $value){ if ($value == 1){ $idx = mt_rand(0,(count($a)-1)); $new_arr[] = $a[$idx]; unset($a[$idx]); $a = array_values($a); }elseif ($value == 2){ $idx = mt_rand(0,(count($b)-1)); $new_arr[] = $b[$idx]; unset($b[$idx]); $b = array_values($b); }elseif ($value == 3){ $idx = mt_rand(0,(count($c)-1)); $new_arr[] = $c[$idx]; unset($c[$idx]); $c = array_values($c); }elseif ($value == 4){ $idx = mt_rand(0,(count($d)-1)); $new_arr[] = $d[$idx]; unset($d[$idx]); $d = array_values($d); }elseif ($value == 5){ $idx = mt_rand(0,(count($e)-1)); $new_arr[] = $e[$idx]; unset($e[$idx]); $e = array_values($e); } } } print_r($new_arr); ?>

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)
7.2.00.0000.01219.52
7.1.70.0180.00416.96
7.1.60.0120.00919.70
7.1.50.0090.01616.95
7.1.00.0030.08022.31
7.0.200.0210.00416.68
7.0.140.0030.07322.19
7.0.80.0530.07719.91
7.0.70.0530.07719.89
7.0.60.0470.09719.93
7.0.50.0600.07320.43
7.0.40.0130.08320.17
7.0.30.0130.05320.14
7.0.20.0100.05320.15
7.0.10.0100.06020.17
7.0.00.0070.04020.10
5.6.280.0030.09321.03
5.6.230.0070.04320.67
5.6.220.0030.04720.63
5.6.210.0000.07320.76
5.6.200.0070.04020.94
5.6.190.0100.08321.18
5.6.180.0100.08021.09
5.6.170.0030.04720.98
5.6.160.0100.05321.11
5.6.150.0070.05021.02
5.6.140.0030.08721.07
5.6.130.0100.05021.12
5.6.120.0170.08021.02
5.6.110.0070.05021.17
5.6.100.0130.08021.09
5.6.90.0130.06321.04
5.6.80.0030.09320.53
5.6.70.0000.06720.47
5.6.60.0030.04320.50
5.6.50.0070.04020.56
5.6.40.0130.02720.45
5.6.30.0030.04020.39
5.6.20.0070.07720.41
5.6.10.0000.04720.39
5.6.00.0030.05320.48
5.5.370.0030.04320.50
5.5.360.0100.07720.39
5.5.350.0070.06720.43
5.5.340.0070.04020.92
5.5.330.0100.07320.82
5.5.320.0070.07720.79
5.5.310.0100.08020.74
5.5.300.0100.04020.65
5.5.290.0070.08320.80
5.5.280.0000.09320.77
5.5.270.0130.07320.82
5.5.260.0170.05720.86
5.5.250.0030.08720.43
5.5.240.0030.04720.25
5.5.230.0070.07720.32
5.5.220.0170.03320.31
5.5.210.0030.05020.22
5.5.200.0130.02720.25
5.5.190.0070.03720.09
5.5.180.0100.03020.14
5.5.160.0070.07720.27
5.5.150.0070.03720.13
5.5.140.0030.05720.16
5.5.130.0070.04320.27
5.5.120.0100.03020.22
5.5.110.0070.03720.15
5.5.100.0070.04020.13
5.5.90.0030.03320.17
5.5.80.0030.04020.02
5.5.70.0070.04320.04
5.5.60.0030.04020.07
5.5.50.0030.04319.97
5.5.40.0000.05720.16
5.5.30.0070.07320.15
5.5.20.0000.05720.04
5.5.10.0030.04020.08
5.5.00.0070.03720.10
5.4.450.0170.07719.42
5.4.440.0000.08719.44
5.4.430.0170.07019.45
5.4.420.0070.05319.41
5.4.410.0030.07719.05
5.4.400.0130.06019.13
5.4.390.0070.04019.10
5.4.380.0100.05319.12
5.4.370.0070.04318.85
5.4.360.0070.03719.13
5.4.350.0030.03719.21
5.4.340.0100.06319.09
5.4.320.0030.03319.03
5.4.310.0100.07019.13
5.4.300.0030.04019.12
5.4.290.0030.03719.02
5.4.280.0030.04019.02
5.4.270.0130.07019.23
5.4.260.0030.04319.09
5.4.250.0030.07318.89
5.4.240.0000.04019.20
5.4.230.0030.03719.02
5.4.220.0100.04318.90
5.4.210.0000.04319.20
5.4.200.0030.04019.17
5.4.190.0030.04319.14
5.4.180.0030.03718.83
5.4.170.0030.04718.89
5.4.160.0100.04319.12
5.4.150.0030.07719.10
5.4.140.0030.07016.35
5.4.130.0170.05716.32
5.4.120.0030.08316.35
5.4.110.0030.07316.33
5.4.100.0100.05716.29
5.4.90.0070.05016.39
5.4.80.0070.03716.43
5.4.70.0030.07316.30
5.4.60.0030.07316.41
5.4.50.0100.07316.36
5.4.40.0230.06316.29
5.4.30.0030.07316.39
5.4.20.0100.07716.46
5.4.10.0070.08016.30
5.4.00.0100.07015.86
5.3.290.0100.02714.75
5.3.280.0030.03714.72
5.3.270.0070.06314.70
5.3.260.0030.03314.70
5.3.250.0070.07714.62
5.3.240.0070.07014.70
5.3.230.0070.07014.73
5.3.220.0130.05714.65
5.3.210.0070.05014.66
5.3.200.0030.07314.63
5.3.190.0030.06714.63
5.3.180.0100.07714.54
5.3.170.0170.05314.57
5.3.160.0100.07714.51
5.3.150.0070.08014.59
5.3.140.0030.08014.67
5.3.130.0100.07714.71
5.3.120.0170.06714.51
5.3.110.0100.07014.50
5.3.100.0030.08314.20
5.3.90.0070.07713.98
5.3.80.0000.08314.09
5.3.70.0070.05013.95
5.3.60.0000.08314.14
5.3.50.0170.04013.96
5.3.40.0070.07313.89
5.3.30.0070.07313.95
5.3.20.0030.07713.66
5.3.10.0200.06013.83
5.3.00.0070.07013.57
5.2.170.0030.03011.73
5.2.160.0000.06011.73
5.2.150.0130.06011.73
5.2.140.0130.05711.73
5.2.130.0030.05711.73
5.2.120.0030.05711.73
5.2.110.0070.03711.73
5.2.100.0000.04311.73
5.2.90.0030.06311.73
5.2.80.0100.05711.73
5.2.70.0070.06311.73
5.2.60.0070.06011.73
5.2.50.0100.05711.73
5.2.40.0100.05711.73
5.2.30.0100.06011.73
5.2.20.0000.04711.73
5.2.10.0130.05011.73
5.2.00.0030.06311.73
5.1.60.0170.04711.73
5.1.50.0000.06011.73
5.1.40.0070.05711.73
5.1.30.0130.04311.73
5.1.20.0030.05711.73
5.1.10.0100.04311.73
5.1.00.0030.05711.73
5.0.50.0130.03011.73
5.0.40.0000.04711.73
5.0.30.0070.06011.73
5.0.20.0000.04311.73
5.0.10.0030.03311.73
5.0.00.0030.05011.73
4.4.90.0030.03011.73
4.4.80.0000.04011.73
4.4.70.0000.04011.73
4.4.60.0000.03711.73
4.4.50.0070.03011.73
4.4.40.0100.04711.73
4.4.30.0170.02311.73
4.4.20.0030.03311.73
4.4.10.0000.04011.73
4.4.00.0070.05311.73
4.3.110.0030.03711.73
4.3.100.0000.04011.73
4.3.90.0070.03011.73
4.3.80.0070.05011.73
4.3.70.0000.03711.73
4.3.60.0100.02711.73
4.3.50.0000.03011.73
4.3.40.0030.05011.73
4.3.30.0000.03711.73
4.3.20.0000.04011.73
4.3.10.0000.03711.73
4.3.00.0000.03011.73

preferences:
49.91 ms | 401 KiB | 5 Q