- array_shift: documentation ( source)
- explode: documentation ( source)
- array_pop: documentation ( source)
<?php
$header = "asd.ads./ads.test+dsa";
$header = "";
$header = 123;
$exploded = explode( '.', $header );
$end = explode( '+', array_pop( $exploded ) );
$object = array_shift( $end );
echo $object;