getPrevious       674 Zend/zend_exceptions.c ZEND_METHOD(exception, getPrevious)
getPrevious       794 Zend/zend_exceptions.c 	ZEND_ABSTRACT_ME(throwable, getPrevious,      NULL)
getPrevious       826 Zend/zend_exceptions.c 	ZEND_ME(exception, getPrevious, NULL, ZEND_ACC_PUBLIC|ZEND_ACC_FINAL)