PHP 提取文件部分内容验证失败，分数不够见谅

PHP 提取文件部分内容验证失败，求救！分数不够见谅

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><form name="souform" action="sub.php" method="post"><input name="soutab" type="text" id="souid" title="请输入作者姓名！" value=""><input name="sub" type="submit" id="soutextid" title="点击查询" value="认证搜索"></form><div><?php//$mass="./finddata.txt"if(isset($_POST[sub])){//如果有提交    $masstemp=$_POST[soutab];    file_put_contents("./tempdata.txt",$masstemp);    $ls="finddata/tempdata.txt";        if(jiequ($ls)=="<!admin!>")            {                echo "验证正确";            }            else echo "验证出现错误";}function jiequ($filename)    {        $i=substr(trim(file_get_contents($filename)）,0,9);        return $i;    }?>

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