- substr: documentation ( source)
<?php
$labels = array("Element1","Element2","Element3","Element4","Element5","Element6");
$i = 1;
$str = '';
foreach($labels AS $label)
{
$str += "$label, ";
if ($i % 2 == 0)
{
$str += "\n";
}
$i++;
}
//Remove last 2 chars
$str = substr($str,0,-2);
echo $str;
?>