Check if folder/file is readable/writable - PHP

Anon2011

Here is a simple method on how to check if a file or a folder is readable / writable.


&lt;?php
//Author: Anon2011
//Created: 22/Feb/11
//Purpose: To check whether file or is writeable/readable.

echo '&lt;form action=\"permissions.php\" method=\"POST\"/&gt;
Path and File or Folder to check : &lt;input type=\"text\" name=\"check\" size=\"50\" /&gt; 
&lt;input type=\"submit\" value=\"Check permissions\" /&gt;
&lt;/form&gt;';
if(!isset($_POST['check']))
{
echo '&lt;br/&gt; Example: C:\file.txt or C:\folder';
}

if(isset($_POST['check']))
{
        if(is_readable($_POST['check']))
        {
        echo $_POST['check']. \" is readable.&lt;br/&gt;\";
        }
        else
        {
        echo $_POST['check']. \" is NOT readable.&lt;br/&gt;\";
        }
        if(is_writable($_POST['check']))
        {
        echo $_POST['check']. \" is writable.&lt;br/&gt;\";
        }
        else
        {
        echo $_POST['check']. \" is NOT writable.&lt;br/&gt;\";
        }
        
}
?&gt;

Output

c:\debug.txt is readable.
c:\debug.txt is writable.

c:\Windows is readable.
c:\Windows is writable.

C:\Non-Existant-File.txt is NOT readable.
C:\Non-Existant-File.txt is NOT writable.

C:\Non-Existant-Folder is NOT readable.
C:\Non-Existant-Folder is NOT writable.

Xin

Nice simple code good job.

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