IS_TYPE_SYMBOLTABLE  625 Zend/zend.c    	Z_TYPE_INFO_P(&globals) = IS_ARRAY | (IS_TYPE_SYMBOLTABLE << Z_TYPE_FLAGS_SHIFT);
IS_TYPE_SYMBOLTABLE  472 Zend/zend_types.h #define Z_SYMBOLTABLE(zval)			((Z_TYPE_FLAGS(zval) & IS_TYPE_SYMBOLTABLE) != 0)