optional_expr     234 Zend/zend_language_parser.y %type <ast> expr optional_expr while_statement for_statement foreach_variable
optional_expr     428 Zend/zend_language_parser.y 	|	T_BREAK optional_expr ';'		{ $$ = zend_ast_create(ZEND_AST_BREAK, $2); }
optional_expr     429 Zend/zend_language_parser.y 	|	T_CONTINUE optional_expr ';'	{ $$ = zend_ast_create(ZEND_AST_CONTINUE, $2); }
optional_expr     430 Zend/zend_language_parser.y 	|	T_RETURN optional_expr ';'		{ $$ = zend_ast_create(ZEND_AST_RETURN, $2); }
optional_expr    1027 Zend/zend_language_parser.y 	|	'(' optional_expr ')'	{ $$ = $2; }
optional_expr    1088 Zend/zend_language_parser.y optional_expr:
optional_expr    1112 Zend/zend_language_parser.y 	|	dereferencable '[' optional_expr ']'
optional_expr    1114 Zend/zend_language_parser.y 	|	constant '[' optional_expr ']'
optional_expr    1148 Zend/zend_language_parser.y 	|	new_variable '[' optional_expr ']'