/**
* Calculate time since start and return using defined pattern
* @param digits number of decimals to calculate
* @param pattern output pattern ("%s" is replaced by time)
* @return time with microseconds since start, formatted using pattern
*/
function end($digits = null, $pattern = null)
{
self::$end = microtime(true);
if (!preg_match("/[0-9]{1,3}/", $digits)) {
$digits = self::$digits;
}
if (strpos($pattern, '%s') === false) {
$pattern = self::$pattern;
}
self::$time = number_format(self::$end - self::$start, $digits);
self::$output = str_replace('%s', self::$time, $pattern);
if (strpos($pattern, '%r') !== false) {
self::$requests = number_format(1 / self::$time, self::$req_digits);
self::$output = str_replace('%r', self::$requests, self::$output);
}
return self::$output;
}
