- explode: documentation ( source)
<?php
$txt = "id:100001200101140618023651158861 sub:001 dlvrd:001 submit date:1406180236 done date:1406180236 stat:ACCEPTED err:000 text:Thanks";
$txt_status = array();
$txt_status = explode(" ",$txt);
$txt_status = explode(":",$txt_status[7].":".$txt_status[8]);
$err_code_id = $txt_status[3];
$status_telco = $txt_status[1];
echo $status_telco;