zend_ast_append_str  698 Zend/zend_compile.h zend_ast *zend_ast_append_str(zend_ast *left, zend_ast *right);
zend_ast_append_str  299 Zend/zend_language_parser.y 	|	namespace_name T_NS_SEPARATOR T_STRING	{ $$ = zend_ast_append_str($1, $3); }