- Fix PHP warning: check if array isn't empty before using max()

alecpl

2010-11-23 617623fa79317c0ada53a217d8908c2deda9a04a

- Fix PHP warning: check if array isn't empty before using max()

 program/include/rcube_imap.php

@@ -693,7 +693,8 @@
            $result = array(
                'count'    => count($this->icache['threads']['tree']),
                'msgcount' => count($this->icache['threads']['depth']),
                'maxuid'   => max(array_keys($this->icache['threads']['depth'])),
                'maxuid'   => !empty($this->icache['threads']['depth']) ?
                    max(array_keys($this->icache['threads']['depth'])) : 0,
            );
        }
        else if (is_array($result = $this->_fetch_threads($mailbox))) {
@@ -702,7 +703,7 @@
            $result = array(
                'count'    => count($result[0]),
                'msgcount' => count($result[1]),
                'maxuid'   => max(array_keys($result[1])),
                'maxuid'   => !empty($result[1]) ? max(array_keys($result[1])) : 0,
            );
        }