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hash_update

Description

The hash_update of Hash for PHP pump data into an active hashing context.

Syntax

hash_update(
    HashContext $context,
    string $data
): true

Parameters

context

Hashing context returned by hash_init().

data

Message to be included in the hash digest.

Return

Returns true.

Examples

1 · context data

<?

$algo = "sha384";

$context = hash_init($algo);
$data = "mydata";

hash_update($context, $data);

$hash = hash_final($context);

echo $hash;
8a40b2c5c3861f6bd1c175adffcb109c84e6e0a7d53f1cb6d698bcc9bbfcbe5d9175fa446a606c8f6e7aaf592ad6ad4c

2 · return

<?

$algo = "sha384";

$context = hash_init($algo);
$data = "mydata";

$return = hash_update($context, $data);

hash_final($context);

var_export($return);
true