Diff for LDAPHooksHorde5 between and 1

<?php
class Horde_Hooks
{
    public function prefs_init($pref, $value, $username, $scope_ob)
    {
        switch ($pref) {
        case 'from_addr':
            if (is_null($username)) {
                return $value;
            }
            $searchBase = 'ou=users,dc=simonandkate,dc=lan';
            $cmd = '/usr/bin/ldapsearch -ZZ -x -b ' . $searchBase . ' uid=' . escapeshellcmd($username) . ' | /bin/grep mail | /usr/bin/awk \'{print $2}\'';
	     $mails = `$cmd`;
            $mail_array = explode("\n", $mails);
            $mail = $mail_array['0'];
            return empty($mail)
                ? ''
                : $mail;

        case 'fullname':
            if (is_null($username)) {
                return $value;
            }
		$searchBase = 'ou=users,dc=simonandkate,dc=lan';
		$cmd = '/usr/bin/ldapsearch -ZZ -x -b ' . $searchBase . ' uid=' . escapeshellcmd($username) . ' | /bin/grep cn: | /usr/bin/cut -c5-';
		$cns = `$cmd`;
		$cn_array = explode("\n", $cns);
		$cn = $cn_array['0'];
		return empty($cn)
			? $username
			: $cn;
        }
    }
}