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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
Return Values
Returns Errors/Exceptions
Emits an Examples
Example #1 hash_equals() example
<?php The above example will output: bool(true) bool(false) Notes
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