hash_update_stream
(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)
hash_update_stream — Pump data into an active hashing context from an open stream
Description
Parameters
-
context
-
Hashing context returned by hash_init().
-
handle
-
Open file handle as returned by any stream creation function.
-
length
-
Maximum number of characters to copy from
handle
into the hashing context.
Examples
Example #1 hash_update_stream() example
<?php
$fp = tmpfile();
fwrite($fp, 'The quick brown fox jumped over the lazy dog.');
rewind($fp);
$ctx = hash_init('md5');
hash_update_stream($ctx, $fp);
echo hash_final($ctx);
?>
The above example will output:
5c6ffbdd40d9556b73a21e63c3e0e904
See Also
- hash_init() - Initialize an incremental hashing context
- hash_update() - Pump data into an active hashing context
- hash_final() - Finalize an incremental hash and return resulting digest
- hash() - Generate a hash value (message digest)
- hash_file() - Generate a hash value using the contents of a given file
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-hash-update-stream.html
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References
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