- var_dump: documentation ( source)
- serialize: documentation ( source)
<pre><?php
$incoming_usernames = array();
$username = 'Bob "Dillan';
# array_push($incoming_usernames["incoming_friendship_request"], $username);
$incoming_usernames['incoming_friendship_request'] = $username;
$array_string = serialize($incoming_usernames);
var_dump($array_string);
?>
</pre>