clean up - remove checked questions

ext/mysql/php_mysql.c

@@ -641,10 +641,9 @@ PHP_RINIT_FUNCTION(mysql)
 /* }}} */
 
 #if defined(A0) && defined(MYSQL_USE_MYSQLND)
-static int php_mysql_persistent_helper(zval *el;zend_rsrc_list_entry *le TSRMLS_DC)
+static int php_mysql_persistent_helper(zval *el TSRMLS_DC)
 {
-	//???
-	//zend_rsrc_list_entry *le = (zend_rsrc_list_entry*)Z_PTR_P(el);
+	zend_resource *le = (zend_resource *)Z_PTR_P(el);
 	if (le->type == le_plink) {
 		mysqlnd_end_psession(((php_mysql_conn *) le->ptr)->conn);
 	}

ext/session/session.c

@@ -1935,8 +1935,8 @@ static PHP_FUNCTION(session_id)
 	}
 
 	if (PS(id)) {
-		//??? keep compatibility for "\0" characters
-		//??? see: ext/session/tests/session_id_error3.phpt
+		/* keep compatibility for "\0" characters
+		/ see: ext/session/tests/session_id_error3.phpt */
 		int len = strlen(PS(id)->val);
 		if (UNEXPECTED(len != PS(id)->len)) {
 			RETVAL_STR(STR_INIT(PS(id)->val, len, 0));

ext/sqlite3/sqlite3.c

@@ -2002,7 +2002,6 @@ static void php_sqlite3_free_list_dtor(void **item)
 
 static int php_sqlite3_compare_stmt_zval_free(php_sqlite3_free_list **free_list, zval *statement ) /* {{{ */
 {
-	//?????  return ((*free_list)->stmt_obj->initialised && statement == (*free_list)->stmt_obj_zval);
 	return  ((*free_list)->stmt_obj->initialised && Z_PTR_P(statement) == Z_PTR((*free_list)->stmt_obj_zval));	
 }
 /* }}} */