<?php
 
    $foo["blue"] = 0;
    $foo["black"] = 0;
    $foo["red"] = 0;
    $foo["white"] = 0;
    $keys = array_keys($foo);
 
    $check;
    do
    {
        foreach($keys as $i)
        {
            $foo[$i] = rand(1,6);
        }
 
        $foo = array_unique($foo);
        $check = count($foo);
 
    }
    while($check != 4);
 
    echo '............................ <br>';
    foreach($foo as $key=>$value)
    {
        echo $key . ' ' . $value . '<br>';
    }
 
?>

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