zend_do_unset    3934 Zend/zend_language_parser.c     { zend_do_end_variable_parse(&(yyvsp[(1) - (1)]), BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&(yyvsp[(1) - (1)]) TSRMLS_CC); }
zend_do_unset     362 Zend/zend_language_parser.y 		variable	{ zend_do_end_variable_parse(&$1, BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); }