--TEST-- imap_fetchstructure() errors: ValueError and Warnings --SKIPIF-- --FILE-- getMessage() . \PHP_EOL; } try { imap_fetchstructure($imap_mail_box, 1, -1); } catch (\ValueError $e) { echo $e->getMessage() . \PHP_EOL; } // Access not existing var_dump(imap_fetchstructure($imap_mail_box, 255)); var_dump(imap_fetchstructure($imap_mail_box, 255, FT_UID)); imap_close($imap_mail_box); ?> --CLEAN-- --EXPECTF-- Create a temporary mailbox and add 0 msgs New mailbox created imap_fetchstructure(): Argument #2 ($message_num) must be greater than 0 imap_fetchstructure(): Argument #3 ($flags) must be FT_UID or 0 Warning: imap_fetchstructure(): Bad message number in %s on line %d bool(false) Warning: imap_fetchstructure(): UID does not exist in %s on line %d bool(false)