ZEND_BOOL_NOT    4053 Zend/zend_language_parser.c     { zend_do_unary_op(ZEND_BOOL_NOT, &(yyval), &(yyvsp[(2) - (2)]) TSRMLS_CC); }
ZEND_BOOL_NOT     592 Zend/zend_language_parser.y 	|	'!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); }
ZEND_BOOL_NOT     423 Zend/zend_opcode.c 		case ZEND_BOOL_NOT:
ZEND_BOOL_NOT     273 Zend/zend_vm_def.h ZEND_VM_HANDLER(13, ZEND_BOOL_NOT, CONST|TMP|VAR|CV, ANY)