hash_equals
hash_equals
(PHP 5 >= 5.6.0, PHP 7)
hash_equals — Timing attack safe string comparison
Description
bool hash_equals ( string $known_string , string $user_string )
Compares two strings using the same time whether they're equal or not.
This function should be used to mitigate timing attacks; for instance, when testing crypt() password hashes.
Parameters
-
known_stri