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@ 2017-08-11T13:43:12Z

<?php

$array = array();
while (count($array) < 10) {
    $value = rand(1, 20);
    if (!in_array($value, $array)) {
        $array[] = $value;
        if ($value % 2 === 0) { 
            echo "$value is even \n"; 
        } else { 
            echo "$value is odd \n"; 
        }
    }
}

Output
Performance
VLD
References
Branches

in_array: documentation ( source)
rand: documentation ( source)

preferences:dark modelive previewkey bindings

32.95 ms | 405 KiB | 5 Q