Nashville pollen cron job

pollen.php

<?php

// Config
define('POLLEN_THRESHOLD', 15);
define('EMAIL_RECIPIENT', 'stephen@example.com');

/*
	0 to 5 Pollen Grains/cm = Slight
	6 to 15 Pollen Grains/cm = Moderate
	16 to 25 Pollen Grains/cm = Heavy
	Greater than 25 Pollen Grains/cm = Extremely Heavy

	Example:

	stdClass Object
	(
	    [date] => 2012-03-14
	    [count] => 161
	    [types] => Cedar, Maple, Pine
	    [level] => Extremely Heavy
	)
*/

// Get the data, decode it
$url = 'http://jasontan.org/pollen.php';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
$data = json_decode($result);

// If threshold not met, die.
if ($data->count <= (int) POLLEN_THRESHOLD)
	die('Pollen is fine. No e-mail to send.' . PHP_EOL);

if ($data->date != date('Y-m-d'))
	die('Data was not posted for today yet.' . PHP_EOL);

// Build message
$subject = sprintf('[Pollen] %s - %s (%s grains/cm)', $data->level, $data->types, $data->count);
$message = 'You should probably take some medicine.';

$stat = mail(EMAIL_RECIPIENT, $subject, $message);

if ($stat)
	die('Sent!' . PHP_EOL);
else
	die('Email was not sent.' . PHP_EOL);