--- /dev/null
+<?php
+
+namespace Wallabag\CoreBundle\Helper;
+
+/**
+ * Hash URLs for privacy and performance.
+ */
+class UrlHasher
+{
+ /** @var string */
+ const ALGORITHM = 'sha1';
+
+ /**
+ * @param string $url
+ *
+ * @return string hashed $url
+ */
+ public static function hashUrl(string $url)
+ {
+ return hash(static::ALGORITHM, $url);
+ }
+}