hash_copy

(PHP 5 >= 5.3.0)

hash_copy — Copy hashing context

Descrizione

resource hash_copy ( resource $context )

Elenco dei parametri

context: Hashing context returned by hash_init().

Valori restituiti

Returns a copy of Hashing Context resource.

Esempi

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";
?>

Il precedente esempio visualizzerà:

8d777f385d3dfec8815d20f7496026dc
511ae0b1c13f95e5f08f1a0dd3da3d93