PHP hash_update() Function
The PHP hash_update() function is used to pump data into an active hashing context.
Syntax
hash_update(context, data)
Parameters
context |
Required. Specify hashing context returned by hash_init(). |
data |
Required. Specify message to be included in the hash digest. |
Return Value
Returns true.
Example: hash_update() example
The example below shows the usage of hash_update() function.
<?php
//initializing an incremental hashing context
$ctx = hash_init('md5');
//updating context
hash_update($ctx, 'The quick brown fox ');
//updating context one more time
hash_update($ctx, 'jumped over the lazy dog.');
//finalizing an incremental hash
//and returning resulting digest
echo hash_final($ctx);
?>
The output of the above code will be:
5c6ffbdd40d9556b73a21e63c3e0e904
❮ PHP Hash Reference
