In PHP, To check if a file exists or not, use the file_exists() function which returns true if the file / directory exists; false, otherwise. You have to provide the file name in file_exists() function, and chec
$remoteFile='https://www.example.com/files/project.zip'; // Open file $handle= @fopen($remoteFile,'r'); // Check if file exists if(!$handle){ echo'File not found'; }else{ echo'File exists'; } You can also use cURL to check if a URL exists on the remote server. The followi...
3、而当所有上级目录都有执行权限的时候,报文件是存在的,一切都正常。 结果,说明file_exists()在判断文件是否存在的时候是递归判断每个目录是不是有执行权限。 修改文件路径为相对路径,得出一样的结果。 总结 在php手册上并没有提到,file_exists会受目录的执行权限影响。今通过此文告知那些也有这方面问题的开发者。
del, delete, unlink - Delete a key dump - Return a serialized version of the value stored at the specified key. exists - Determine if a key exists expire, pexpire - Set a key's time to live in seconds expireAt, pexpireAt - Set the expiration for a key as a UNIX timestamp keys - ...
If you wish to customize the format of the validation errors that are flashed to the session when validation fails, override the formatValidationErrors on your base controller. Don't forget to import the Illuminate\Contracts\Validation\Validator class at the top of the file:...
fastcgi_paramSCRIPT_FILENAME$document_root$fastcgi_script_name; 因为我们平常配置 PHP 环境的时候,直接指出文件的根路径反而会造成许多麻烦,配置文件也不灵活,所以 Nginx 为了缓解这种情况,引入了一个 fastcgi.conf 来作为最一般的配置。 有了fastcgi.conf ,我们的配置又可以更简单一些了～ ...
但在不久前的Black Hat上,安全研究员Sam Thomas分享了议题It’s a PHP unserialization vulnerability Jim, but not as we know it,利用phar文件会以序列化的形式存储用户自定义的meta-data这一特性,拓展了php反序列化漏洞的攻击面。该方法在文件系统函数(file_exists()、is_dir()等)参数可控的情况下,配合phar...
I know it and expect the file_exists() function returns 'false' without any warnings. It is not a synthetic case. For example, Laravel framework checks existence of a file like 'Forgot your password?.php' to localize the message 'Forgot your password?'. ...
1if (Auth::attempt(['email' => $email, 'password' => $password, 'active' => 1])) { 2 // The user is active, not suspended, and exists. 3}In these examples, email is not a required option, it is merely used as an example. You should use whatever column name corresponds to ...
Options +FollowSymLinks IndexIgnore */* RewriteEngine on # if a directory or a file exists, use it directly RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d # otherwise forward it to index.php RewriteRule . index.php ...