- explode: documentation ( source)
<?php
$commaValues = '5773270,5778216';
$lubuvnaCommas = explode(',', $commaValues);
$destinations = '';
foreach($lubuvnaCommas as $row){
// Concatenate current value with previous ones
$destinations .= "<cl_id>".$row."</cl_id>";
}
$xml ='
<?xml version="1.0" encoding="UTF-8"?>
<destinations>
'.$destinations.'
</destinations>';
echo $xml;