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最新推荐文章于 2023-12-14 17:44:49 发布

原创最新推荐文章于 2023-12-14 17:44:49 发布 · 993 阅读

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<?php
error_reporting(-1);
header("Content-type: text/html; charset=utf-8");
$dangers = "php,php3,php4,phtml,php5,jsp,py,rb,asp,aspx,ashx,asa,cer,cdx,aspl,shtm,shtml,html,htm";
//$ext='php ';

$filename=$_FILES['file1']['name'];
//move_uploaded_file($_FILES['file']['tmp_name'],$filename);
$tmpfile=$_FILES['file1']['tmp_name'];
$ext=strtolower(pathinfo($filename, PATHINFO_EXTENSION));
//echo strlen($ext);
//echo $tmpfile;
//echo $filename;
//echo $ext;
echo strpos($dangers,$ext);
//echo "</br>";
if(strpos($dangers,$ext) !== false){
echo "不可绕过";
exit();
}else{
if(move_uploaded_file($tmpfile, './'.time().'.'.$ext))
echo strlen($ext);
else{
echo "upload failed";
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<input type="file" name="file1">
<input type="submit" value="Submit" />
</form>
</body>
</html>