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第五行出错，哪里符号有关问题

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Release： 2016-06-13 13:45:25
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第五行出错，哪里符号问题？
function cz($str1,$str2){
if (str_replace($str1,"",$str2)==$str2){
return "OK";
else{
return "Non-OK";}
}
}

------解决方案--------------------
function cz($str1, $str2)
{
if (str_replace($str1, "", $str2) == $str2) {
return "OK";}
else{
return "Non-OK";
}
}

括错位置

Related labels：
function quot replace return str
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