Zend: expose zend_throw_exception_zstr() API

As having the message as a zend_string is not uncommon

Author: Girgias

Zend/zend_exceptions.c

@@ -853,7 +853,7 @@ void zend_register_default_exception(void) /* {{{ */
 }
 /* }}} */
 
-static zend_object *zend_throw_exception_zstr(zend_class_entry *exception_ce, zend_string *message, zend_long code) /* {{{ */
+ZEND_API ZEND_COLD zend_object *zend_throw_exception_zstr(zend_class_entry *exception_ce, zend_string *message, zend_long code) /* {{{ */
 {
 	zval ex, tmp;
 

Zend/zend_exceptions.h

@@ -54,6 +54,7 @@ ZEND_API void zend_register_default_classes(void);
 
 /* exception_ce   NULL, zend_ce_exception, zend_ce_error, or a derived class
  * message        NULL or the message of the exception */
+ZEND_API ZEND_COLD zend_object *zend_throw_exception_zstr(zend_class_entry *exception_ce, zend_string *message, zend_long code);
 ZEND_API ZEND_COLD zend_object *zend_throw_exception(zend_class_entry *exception_ce, const char *message, zend_long code);
 ZEND_API ZEND_COLD zend_object *zend_throw_exception_ex(zend_class_entry *exception_ce, zend_long code, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 3, 4);
 ZEND_API ZEND_COLD void zend_throw_exception_object(zval *exception);