mail_open        1235 ext/imap/php_imap.c 	imap_stream = mail_open(NIL, ZSTR_VAL(mailbox), flags);
mail_open        1297 ext/imap/php_imap.c 	imap_le_struct->imap_stream = mail_open(imap_le_struct->imap_stream, ZSTR_VAL(mailbox), flags);