- array_search: documentation ( source)
<?php
$stupidpost=array("fbd8177e839a62d06ad0826176a0121cd7285598"=> "Dispatched", "6a68578772fb3f8bd1d657ccdae4889ead568268"=> "Available", "a128278601bc1c977971154a9a1b382c608096ca"=>"Available", "144fb9fcea4404208d6c2f32ca6c4f96ad9b7edf"=>"Available", "submitdata"=>"Update Status" );
$string = array_search('fbd8177e839a62d06ad0826176a0121cd7285598', $stupidpost); //search the post array for input name's POST value
echo $string;
?>