1--TEST-- 2SCCP 026: Elimination of dead code due to conflicting type checks 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=-1 7opcache.opt_debug_level=0x20000 8opcache.preload= 9zend_test.observer.enabled=0 10--EXTENSIONS-- 11opcache 12--FILE-- 13<?php 14function test($var) { 15 if (!is_string($var) || (is_object($var) && !method_exists($var, '__toString'))) { 16 return; 17 } 18 19 var_dump($username); 20} 21?> 22--EXPECTF-- 23$_main: 24 ; (lines=1, args=0, vars=0, tmps=0) 25 ; (after optimizer) 26 ; %s:1-10 270000 RETURN int(1) 28 29test: 30 ; (lines=9, args=1, vars=2, tmps=1) 31 ; (after optimizer) 32 ; %s:2-8 330000 CV0($var) = RECV 1 340001 T2 = TYPE_CHECK (string) CV0($var) 350002 JMPZ T2 0004 360003 JMP 0005 370004 RETURN null 380005 INIT_FCALL 1 %d string("var_dump") 390006 SEND_VAR CV1($username) 1 400007 DO_ICALL 410008 RETURN null 42
