PHP 提取文件部分内容验证失败,求救!分数不够见谅
<!--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; }?>