Tag: file

How to wordpress secure file upload using apache rules

WordPress tutorial, How to wordpress secure file upload using apache rules, Here we given apache rule for secure your wordpress file upload functionality.

How to wordpress secure file upload using apache rules

Website security is most important point of any website. In wordpress we need to give 777 permission to wp-content/uploads folder. Some time we don’t want to give the 777 (read, write and execute) permission to folder due to security reason but wordpress do not allow you to upload images or media files to uploads folder.

Tip: Do not give 777 permission to wp-content/uploads folder. In stead change user ownership to apache folder.

Security

What you can do is. You can restrict other file types to upload in uploads folder using simple apache rule. following code you can use in .htaccess file.


	Order Allow,Deny
	Deny from all

<FilesMatch ".(jpg|jpeg|jpe|gif|png|tif|tiff)$">
	Order Deny,Allow
	Allow from all

Using above code you can secure your uploads folder and only selected files can be pushed into uploads folder.

How to wordpress secure file upload using apache rules
How to wordpress secure file upload using apache rules

How to use file functions in php

In this tutorials I will show you How to use file functions in php, how to read the file and write the file using php functions.

First make test.txt file and put some dummy content in that file.

Note: Make test.txt file group permission to 777 or writeable and readable.

<?php
$fp = fopen("test.txt","w");
 while(!feof($fp))
 {
 $data = fgets($fp);
 echo "alert($data);";
 }
 fwrite($fp, 'this is test text');
 fclose($fp);
?>

Using following function You are able to check the file size.

$fp = fopen('test.txt', 'r');
echo $data = fread($fp, filesize('test.txt'));
fclose($fp);
How to use file functions in php
How to use file functions in php