SunshinePHP Developer Conference 2015

hash_copy

(PHP 5 >= 5.3.0)

hash_copyCopy 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 visualizzerĂ :

8d777f385d3dfec8815d20f7496026dc
511ae0b1c13f95e5f08f1a0dd3da3d93

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