Index: ext/pdo/pdo_stmt.c
===================================================================
RCS file: /repository/php-src/ext/pdo/pdo_stmt.c,v
retrieving revision 1.118.2.38.2.24.2.37
diff -u -p -r1.118.2.38.2.24.2.37 pdo_stmt.c
--- ext/pdo/pdo_stmt.c	17 Nov 2008 11:27:57 -0000	1.118.2.38.2.24.2.37
+++ ext/pdo/pdo_stmt.c	3 Dec 2008 10:02:30 -0000
@@ -2203,10 +2203,12 @@ static PHP_METHOD(PDOStatement, debugDum
 			char *str;
 			uint len;
 			ulong num;
+			int res;
 
-			if (zend_hash_get_current_key_ex(stmt->bound_params, &str, &len, &num, 0, &pos) == HASH_KEY_IS_LONG) {
+			res = zend_hash_get_current_key_ex(stmt->bound_params, &str, &len, &num, 0, &pos);
+			if (res == HASH_KEY_IS_LONG) {
 				php_stream_printf(out TSRMLS_CC, "Key: Position #%ld:\n", num);
-			} else {
+			} else if (res == HASH_KEY_IS_STRING) {
 				php_stream_printf(out TSRMLS_CC, "Key: Name: [%d] %.*s\n", len, len, str);
 			}