How to create an array without doubles values from random ints [duplicate]

Question

I'm looking for a way to create an array with 6 random and unique ints. This is what I have so far but unfortunately it's not working correctly:

<?php
for ($i = 0; $i <= 5; $i++) {
    $values[$i] = array(
        rand($min = 1, $max = 10),
    );
    print_r($values[$i]);
    print "<br>";
    $values = array_unique($values);
    if ($values[$i] != null) {
        var_dump($values[$i]);
    } else {
        $values[$i] = array(
            rand($min = 1, $max = 10),
        );
    }
}

?>

print_r(str_split(substr(str_shuffle('0123456789'),1,6))); — prasad K
– prasad K, Commented Aug 12, 2020 at 6:49

Athene noctua · Accepted Answer · 2020-08-12 06:46:08Z

2

You don't necessary need to use loops to achieve this, I would personally write it like this:

$nums = range(1,10);
shuffle($nums);
$values = array_slice($nums,0,6);
// now $values contains six random integers within the given range

answered Aug 12, 2020 at 6:46

Athene noctua

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3 Comments

zanderwar Over a year ago

Nice, I wrote this before the post was closed: sandbox.onlinephpfunctions.com/code/… legit embarrassed. Here's a thumbs up for you

Nigel Ren Over a year ago

The problem is that a lot of these things have been answered before - have a look at the answer at stackoverflow.com/a/5612704/1213708.

BackTrack57 Over a year ago

Before it was close :sandbox.onlinephpfunctions.com/code/…

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