hash_equals


hash_equals ( $a, $b )

Parameters:
  • (string) $a Expected string.
  • (string) $b Actual, user supplied, string.
Returns:
  • (bool) Whether strings are equal.
Defined at:

Description

Timing attack safe string comparison

Compares two strings using the same time whether they're equal or not.

This function was added in PHP 5.6.

Note: It can leak the length of a string when arguments of differing length are supplied.

Related Functions

has_meta, _hash_hmac, has_tag, is_email, has_term

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