Total firefox os app downloads

gistfile1.php

<?php

// your firefox os apps submissions here https://marketplace.firefox.com/developers/submissions
$app_name = 'betajobs';
$url = 'https://marketplace.firefox.com/app/'.$app_name.'/statistics/installs-month-20120601-'.date('Ymd').'.json';
$dates = json_decode( file_get_contents( $url ) );

$total = 0;

if( $dates ){
  foreach( $dates as $date ) $total += $date->count;
}

echo $total;

?>