Pickem haal random score op

[sgezel]

<?php

function getRandom($values, $weights)
{
    $count = count($values); 
    $i = 0; 
    $n = 0; 
    $num = mt_rand(0, array_sum($weights) * 100) / 100; 
    while($i < $count)
    {
        $n += $weights[$i]; 
        if($n >= $num)
            break; 
        $i++; 
    } 
    return $values[$i]; 
}

$values = [1,2,3,4];
$weights = [60.0000,30.0000,9.9800,.0200];
$counts = array_combine($values, array_fill(0, count($values), 0));
for ($i = 0; $i < 100000; $i++) {
    $counts[getRandom($values, $weights)]++;
}

echo "value\tweight\tcount\t%\n";
for ($i = 0; $i < count($values); $i++) {
    echo $values[$i] . "\t" . $weights[$i] . "\t" . $counts[$values[$i]] . "\t" . round($counts[$values[$i]]/array_sum($counts)*100, 2) . "\n";
}

[sgezel]

Rijlabels	Aantal van Thuis			Rijlabels	Aantal van Uit
0	30,83%			0	28,57%
1	36,09%			1	37,59%
2	18,80%			2	21,80%
3	10,53%			3	6,77%
4	3,01%			4	3,76%
5	0,75%			5	1,50%
Eindtotaal	100,00%			Eindtotaal	100,00%

[sgezel]

Rijlabels	Aantal van Kolom1
0 - 0	6,02%
0 - 1	11,28%
0 - 2	7,52%
0 - 3	3,01%
0 - 4	2,26%
0 - 5	0,75%
1 - 0	10,53%
1 - 1	15,04%
1 - 2	9,02%
1 - 3	0,75%
1 - 4	0,75%
2 - 0	6,77%
2 - 1	7,52%
2 - 2	2,26%
2 - 3	1,50%
2 - 4	0,75%
3 - 0	3,76%
3 - 1	3,01%
3 - 2	1,50%
3 - 3	1,50%
3 - 5	0,75%
4 - 0	1,50%
4 - 1	0,75%
4 - 2	0,75%
5 - 2	0,75%
(leeg)	0,00%
Eindtotaal	100,00%