This hook can be used to change the new message data before storing it in the database.

Call time:

In include/posting/action_post.php, right before storing a new message in the database.

Hook input:

An array containing message data.

Hook output:

Same as input.

Example code:

function phorum_mod_foo_before_post($message)
{
    global $PHORUM;

    // Add the disclaimer to the new message body
    $message["body"] .= "\n".$PHORUM["DATA"]["LANG"]["mod_foo"]["Disclaimer"];
    
    return $message;
}