How to write a php Function GetUniqueOnes, which accepts a signle argument. the arguments is an array of integers and the function should return the unique integers separaged by commas
<p>Eg: GetUniqueOnes($arr)</p>

<p>$arrr = array(34,54,68,141,151,54,151,54)</p>

<p>should return
34,54,68,141,151,161</p>
