Entry

How can I save a variable to a file on the client (without cookies) and retrieve its value later?

How can I save a value to a file on the server?

Aug 23rd, 2009 04:15
Joe Bloggs, Greg Billock, George Federuik, Nathan Wallace,

There is no way to access client side filesystems without cookies (thank 
goodness!) Cookies provide a very restricted way to store information on 
the user's machine. (See cookie() in the PHP manual.)

To write a variable to a file on the server, you can simply do

$f = fopen("file","w");
fwrite($f,$variable);
fclose($f);

and then 
$f = fopen("file","r");
$variable = fgets($r);
fclose($f);

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