ZEND_AST_EMPTY   1179 Zend/zend_ast.c 		case ZEND_AST_EMPTY:
ZEND_AST_EMPTY   6364 Zend/zend_compile.c 	ZEND_ASSERT(ast->kind == ZEND_AST_ISSET || ast->kind == ZEND_AST_EMPTY);
ZEND_AST_EMPTY   6367 Zend/zend_compile.c 		if (ast->kind == ZEND_AST_EMPTY) {
ZEND_AST_EMPTY   7199 Zend/zend_compile.c 		case ZEND_AST_EMPTY:
ZEND_AST_EMPTY   1247 Zend/zend_language_parser.y 	|	T_EMPTY '(' expr ')' { $$ = zend_ast_create(ZEND_AST_EMPTY, $3); }