src/Wallabag/CoreBundle/Tools/Utils.php

   1 <?php
   2
   3 namespace Wallabag\CoreBundle\Tools;
   4
   5 class Utils
   6 {
   7     /**
   8      * Generate a token used for Feeds.
   9      *
  10      * @param int $length Length of the token
  11      *
  12      * @return string
  13      */
  14     public static function generateToken($length = 15)
  15     {
  16         $token = substr(base64_encode(random_bytes($length)), 0, $length);
  17
  18         // remove character which can broken the url
  19         return str_replace(['+', '/'], '', $token);
  20     }
  21
  22     /**
  23      * For a given text, we calculate reading time for an article based on 200 words per minute.
  24      *
  25      * @param string $text
  26      *
  27      * @return float
  28      */
  29     public static function getReadingTime($text)
  30     {
  31         return floor(\count(preg_split('~([^\p{L}\p{N}\']+|(\p{Han}|\p{Hiragana}|\p{Katakana}|\p{Hangul}){1,2})~u', strip_tags($text))) / 200);
  32     }
  33 }