function composeTweet()
{
$titles = file('data-titles.txt', FILE_IGNORE_NEW_LINES);
$camps = file('data-camps.txt', FILE_IGNORE_NEW_LINES);
$TWITTER_CHARACTER_LIMIT = 140;
$markov = new Markov();
$markov->init($titles);
$title = $markov->generate(4);
$markov = new Markov();
$markov->init($camps);
$camp = $markov->generate(4);
$chain = "{$title} @ {$camp} (" . address() . ") #burningman #bot";
if (strlen($chain) >= $TWITTER_CHARACTER_LIMIT) {
// try again
composeTweet();
} else {
return $chain;
}
}
