Php/docs/function.hash-copy

• PHP Manual
• Hash Functions
• Copy hashing context

hash_copy

(PHP 5 >= 5.3.0, PHP 7)

hash_copy — Copy hashing context

Description

hash_copy ( HashContext $context ) : HashContext

Parameters

context

Hashing context returned by hash_init().

Return Values

Returns a copy of Hashing Context.

Changelog

Version	Description
7.2.0	Accept and return HashContext instead of resource.

Examples

Example #1 hash_copy() example

<?php$context = hash_init("md5");hash_update($context, "data");/* copy context to be able to continue using it */$copy_context = hash_copy($context);echo hash_final($context), "\n";hash_update($copy_context, "data");echo hash_final($copy_context), "\n";?>

The above example will output:

8d777f385d3dfec8815d20f7496026dc
511ae0b1c13f95e5f08f1a0dd3da3d93