PHP IMAP Helper function

imap_helper.php

<?php
function fetch_imap( $host, $username, $password, $port ){
	$hostname = '{'.$host.':'.$port.'/imap/ssl/novalidate-cert}INBOX';
	/* try to connect */
	$inbox = imap_open( $hostname, $username, $password ) 
		or die("Can't connect to '$hostname': " . var_dump(imap_errors()) );
		// or die('Cannot connect to Gmail: ' . imap_last_error());

	/* grab emails */
	$emails = imap_search( $inbox, 'UNSEEN' );

	$inboxes = array();

	if( $emails ){
		/* begin output var */
		$output = '';
		
		/* put the newest emails on top */
		rsort( $emails );
		
		/* for every email... */
		foreach( $emails as $email_number ) {
			/* get information specific to this email */
			$overview = imap_fetch_overview( $inbox, $email_number, 0 );
			$message = imap_fetchbody( $inbox, $email_number, 2 );

			$inboxes[] = array( 'overview' => $overview, 'message' => $message );
		}
	}

	/* close the connection */
	imap_close( $inbox );
	return $inboxes;
}