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-rw-r--r--Zend/zend_language_parser.y11
1 files changed, 8 insertions, 3 deletions
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index 5f233d6a3b..44c5cfb12b 100644
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -251,7 +251,7 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
%type <ast> ctor_arguments alt_if_stmt_without_else trait_adaptation_list lexical_vars
%type <ast> lexical_var_list encaps_list
%type <ast> array_pair non_empty_array_pair_list array_pair_list
-%type <ast> isset_variable type return_type
+%type <ast> isset_variable type return_type type_expr
%type <ast> identifier
%type <num> returns_ref function is_reference is_variadic variable_modifiers
@@ -644,7 +644,12 @@ parameter:
optional_type:
/* empty */ { $$ = NULL; }
- | type { $$ = $1; }
+ | type_expr { $$ = $1; }
+;
+
+type_expr:
+ type { $$ = $1; }
+ | '?' type { $$ = $2; $$->attr |= ZEND_TYPE_NULLABLE; }
;
type:
@@ -655,7 +660,7 @@ type:
return_type:
/* empty */ { $$ = NULL; }
- | ':' type { $$ = $2; }
+ | ':' type_expr { $$ = $2; }
;
argument_list: