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= 9--SKIPIF-- 10<?php require_once('skipif.inc'); ?> 11--FILE-- 12<?php 13function test($var) { 14 if (!is_string($var) || (is_object($var) && !method_exists($var, '__toString'))) { 15 return; 16 } 17 18 var_dump($username); 19} 20?> 21--EXPECTF-- 22$_main: ; (lines=1, args=0, vars=0, tmps=0) 23 ; (after optimizer) 24 ; %s:1-10 25L0 (10): RETURN int(1) 26 27test: ; (lines=9, args=1, vars=2, tmps=1) 28 ; (after optimizer) 29 ; %s:2-8 30L0 (2): CV0($var) = RECV 1 31L1 (3): T2 = TYPE_CHECK (string) CV0($var) 32L2 (3): JMPZ T2 L4 33L3 (3): JMP L5 34L4 (4): RETURN null 35L5 (7): INIT_FCALL 1 %d string("var_dump") 36L6 (7): SEND_VAR CV1($username) 1 37L7 (7): DO_ICALL 38L8 (8): RETURN null 39
