三元运算问题

$str = true?8888:true?100+100:100000000;echo '
',$str;

回复讨论(解决方案)

$str = true?8888:(true?100+100:100000000); echo '
',$str;

$c=1;$d=1;$str = true?8888:(true?$c++:$d++); echo $c,"
";//1echo $d,"
";//1echo '
',$str;//8888

$str = (true?8888:true)?100+100:100000000; echo '
',$str;//  200

23$str = (true?8888:true)?100+100:100000000;  echo '
',$str;//  200