hash_copy

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

    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

    VersionDescription
    7.2.0 Accept and return HashContext instead of resource.

    Examples

    Example #1 hash_copy() example

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


    $copy_context = hash_copy($context);

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

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

    The above example will output:

    b29d66e56ed90cce9b0165c43fedec612b60a071974d8be4513e18580d55b5bd 68b1282b91de2c054c36629cb8dd447f12f096d3e3c587978dc2248444633483
    To Top