hash_update_stream

hash_update_stream

Pump data into an active hashing context from an open stream

int **hash_update_stream** HashContext $context resource $stream int $length

context Hashing context returned by . hash_init

streamOpen file handle as returned by any stream creation function.

length Maximum number of characters to copy from into the hashing context. stream

Actual number of bytes added to the hashing context from . stream

Voorbeeld: example

<?php
$fp = tmpfile();
fwrite($fp, 'jumped over the lazy dog.');
rewind($fp);

$ctx = hash_init('sha256');
hash_update($ctx, 'The quick brown fox ');
hash_update_stream($ctx, $fp);
echo hash_final($ctx);
?>

68b1282b91de2c054c36629cb8dd447f12f096d3e3c587978dc2248444633483

hash_init``hash_update``hash_final