<?php

echo '<PRE>';

$config = Array(
	'username' => 'wrs',	// username ( string )
	'accesslevel' => 3,	// access level ( integer )
	'showemail' => false,	// some other var ( boolean )
);

var_dump($config);

// With serialize() we can convert this entire PHP array in to one string, which can be written to file/database for later retrieval

$data = serialize($config);

// $data should now be something like:
// a:3:{s:8:"username";s:3:"wrs";s:11:"accesslevel";i:3;s:9:"showemail";b:0;}
echo $data."\n";
// which can easily be saved to file/database

// to get our array back
$newconfig = unserialize($data);
var_dump($newconfig);


// contents of $config and $newconfig should be exactly the same.

?>