ZEND_SUB         4013 Zend/zend_language_parser.c     { zend_do_binary_op(ZEND_SUB, &(yyval), &(yyvsp[(1) - (3)]), &(yyvsp[(3) - (3)]) TSRMLS_CC); }
ZEND_SUB         4048 Zend/zend_language_parser.c     { Z_LVAL((yyvsp[(1) - (2)]).u.constant)=0; Z_TYPE((yyvsp[(1) - (2)]).u.constant)=IS_LONG; (yyvsp[(1) - (2)]).op_type = IS_CONST; INIT_PZVAL(&(yyvsp[(1) - (2)]).u.constant); zend_do_binary_op(ZEND_SUB, &(yyval), &(yyvsp[(1) - (2)]), &(yyvsp[(2) - (2)]) TSRMLS_CC); }
ZEND_SUB          584 Zend/zend_language_parser.y 	|	expr '-' expr 	{ zend_do_binary_op(ZEND_SUB, &$$, &$1, &$3 TSRMLS_CC); }
ZEND_SUB          591 Zend/zend_language_parser.y 	|	'-' expr %prec T_INC { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); }
ZEND_SUB          439 Zend/zend_opcode.c 		case ZEND_SUB:
ZEND_SUB           41 Zend/zend_vm_def.h ZEND_VM_HANDLER(2, ZEND_SUB, CONST|TMP|VAR|CV, CONST|TMP|VAR|CV)