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hash_copy

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

hash_copyCopy hashing context

Descrição

hash_copy(HashContext $context): HashContext

Parâmetros

context

Hashing context returned by hash_init().

Valor Retornado

Returns a copy of Hashing Context.

Registro de Alterações

Versão Descrição
7.2.0 Accept and return HashContext instead of resource.

Exemplos

Exemplo #1 hash_copy() example

<?php
$context
= hash_init("sha256");
hash_update($context, "The quick brown fox ");

/* copy context to be able to continue using it */
$copy_context = hash_copy($context);

echo
hash_final($context), "\n";

hash_update($copy_context, "jumped over the lazy dog.");
echo
hash_final($copy_context), "\n";
?>

O exemplo acima produzirá:

b29d66e56ed90cce9b0165c43fedec612b60a071974d8be4513e18580d55b5bd
68b1282b91de2c054c36629cb8dd447f12f096d3e3c587978dc2248444633483

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