zend_do_unary_op 6298 Zend/zend_compile.c 			zend_do_unary_op(ZEND_BOOL_NOT, result, variable TSRMLS_CC);
zend_do_unary_op  467 Zend/zend_compile.h void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC);
zend_do_unary_op  817 Zend/zend_language_parser.y 	|	'!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); }
zend_do_unary_op  818 Zend/zend_language_parser.y 	|	'~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); }
zend_do_unary_op 1268 Zend/zend_language_parser.y 	|	T_EMPTY '(' expr_without_variable ')' { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$3 TSRMLS_CC); }