Online PHP editor | refs for GASQW

<?php $variavel = "2:2014-07-13,4:2014-08-13,6:2014-08-13,7:2014-08-13"; $var = explode(",", $variavel); $total_var = count($var); $n = 0; while($n < $total_var){ $var[$n]; while($n < $total_var){ $explode2 = explode(":", $var[$n]); $explode2 = $explode2[0]; print $explode2; //Result: 2467 | How would: 2,4,6,7 $n++; } $n++; }