I am managing a function that can vary a range_pool of numbers with set decimals between them. I would like to find a solution that ensures that these numbers never repeat (create duplicates) when they are generated at the exit of the function.
`function random($min, $max, $range_pool) {
$decimals = 4;
$collect_range_pool = array();
for ($i = 0; $i < $range_pool; $i++)
{
$random_number = mt_rand() / mt_getrandmax();
$range = $max - $min;
$random_decimal = $min + $random_number * $range;
$random_decimal = round($random_decimal, $decimals);
$collect_range_pool[] = $random_decimal;
}
return $collect_range_pool;
}
$generated = random(4.0008, 4.1008, 20);
foreach ($generated as $number)
{
echo $number . '<br>';
}`
I am expecting for the number to never repeat.
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