WTF strlen

wtf-strlen.php

<?php 
// config file
define('STOP_MESSAGE', ' (txt "STOP" to cancel)');

// form handling
$length = 157 - strlen(STOP_MESSAGE) - strlen($keyword->getAttribute('word'));
$reply = isset($_POST['reply']) ? $_POST['reply'] : false;

if (strlen($reply) <= $length)
{
    $keyword->setAttribute('auto_reply', $reply);
    
    if ($keyword->save()) // save shit to the database all ORM style
    {
        $success = true;
    }
    else
    {
        $error = 'There was a problem saving your auto reply. Please try again.';
    }
}
else
{
    $error = "Hold up. That's a little too long.";
}

// On API call
$text = $keyword->getAttribute('auto_reply');
$text = $keyword->getAttribute('word').': '.$text.' '.STOP_MESSAGE;
// echo as XML
?>