zend_do_inheritance 2554 Zend/zend_API.c 		zend_do_inheritance(register_class, parent_ce TSRMLS_CC);
zend_do_inheritance 4766 Zend/zend_compile.c 	zend_do_inheritance(ce, parent_ce TSRMLS_CC);
zend_do_inheritance  558 Zend/zend_compile.h ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);