Fixed bug #40121 (PDO_DBLIB driver wont free statements).

Author: Ilia Alshanetsky

NEWS

@@ -4,6 +4,7 @@ PHP                                                                        NEWS
 - Added CURLOPT_TCP_NODELAY constant to Curl extension. (Sara)
 - Improved proc_open(). Now on Windows it can run external commands not through
   CMD.EXE. (Dmitry)
+- Fixed bug #40121 (PDO_DBLIB driver wont free statements). (Ilia)
 - Fixed bug #40098 (php_fopen_primary_script() not thread safe). (Ilia)
 - Fixed bug #40091 (spl_autoload_register with 2 instances of the same
   class). (Ilia)

ext/pdo_dblib/dblib_stmt.c

@@ -250,6 +250,17 @@ static int pdo_dblib_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_da
 	return 1;
 }
 
+static int dblib_mysql_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC)
+{
+	pdo_dblib_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
+
+	if (S->rows) {
+		free_rows(S TSRMLS_CC);
+		S->rows = NULL;
+	}
+
+	return 1;
+}
 
 struct pdo_stmt_methods dblib_stmt_methods = {
 	pdo_dblib_stmt_dtor,
@@ -261,5 +272,7 @@ struct pdo_stmt_methods dblib_stmt_methods = {
 	NULL, /* set attr */
 	NULL, /* get attr */
 	NULL, /* meta */
+	NULL, /* nextrow */
+	dblib_mysql_stmt_cursor_closer
 };