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Last updated: Sat, 27 Jan 2007

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# hash_update_stream

(no version information, might be only in CVS)

hash_update_stream -- Pump data into an active hashing context from an open stream

## Описание

int hash_update_stream ( resource context, resource handle [, int length] )

## Список параметров

`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.

## Возвращаемые значения

Actual number of bytes added to the hashing context from `handle`.

## Примеры

Пример 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);
?>`

Результат выполнения данного примера:

    5c6ffbdd40d9556b73a21e63c3e0e904

## Смотрите также

hash_init()
hash_update()
hash_final()
hash()
hash_file()

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Last updated: Sat, 27 Jan 2007
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