(PHP 5 >= 5.3.0, PHP 7)
hash_copy — Copy hashing context
hash_copy ( HashContext $context ) : HashContext
context
Hashing context returned by hash_init().
Returns a copy of Hashing Context.
| Version | Description |
|---|---|
| 7.2.0 | Accept and return HashContext instead of resource. |
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";
?> The above example will output:
8d777f385d3dfec8815d20f7496026dc 511ae0b1c13f95e5f08f1a0dd3da3d93
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https://www.php.net/manual/en/function.hash-copy.php