urlbox.php

//URLBOX
function urlbox_url_generate($url, $options){
	$options['url'] = $url;
	$options['url'] = preg_replace("(^https?://)", "", $options['url'] );
	$format = isset($options['format']) ? $options['format'] : 'png';
	unset($options['format']);
	$_parts = [];
	foreach ($options as $key => $values) {
	  $values = is_array($values) ? $values : [$values];
	  foreach ($values as $value) {
	    if(!empty($value)){
	      $encodedValue = sanitizeValue($value);
	      $_parts[] = "$key=$encodedValue";
	    }
	  }
	}
	$query_string = implode("&", $_parts);
	$TOKEN = hash_hmac("sha1", $query_string, 'YOUR API SECRET');
	
	return "https://api.urlbox.io/v1/YOUR-API-KEY/$TOKEN/$format?$query_string";
}