上传文件的处理是相当重要的,首先还是得从安全入手,因而文件的扩展名的检查是至关重要的。今天学了一个上传文件扩展名检查的实例,分享一下
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <meta name="keywords" content=" keywords" /> <meta name="description" content="description" /></head><body> <form method="post" action="" enctype="multipart/form-data"> <input type="file" name="upfile" size="20" /> <input type="submit" name="submit" value="submit" /> </form></body></html>
<?PHP if(isset($_POST['submit'])) { $string = strrev($_FILES['upfile']['name']); $array = explode('.',$string); echo $array[0]; } ?>
结果示例:
来源:https://www.cnblogs.com/picaso/archive/2012/04/01/2427873.html