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hash_file

(no version information, might be only in CVS)

hash_file -- Generate a hash value using the contents of a given file

Описание

string hash_file ( string algo, string filename [, bool raw_output] )

Список параметров

algo

Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)

filename

URL describing location of file to be hashed; Supports fopen wrappers.

raw_output

When set to TRUE, outputs raw binary data. Default value (FALSE) outputs lowercase hexits.

Возвращаемые значения

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

Примеры

Пример 1. Using hash_file()

<?php
/* Create a file to calculate hash of */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');

echo
hash_file('md5', 'example.txt');
?>

Результат выполнения данного примера:

5c6ffbdd40d9556b73a21e63c3e0e904

Смотрите также

hash()
hash_hmac_file()
hash_update_file()



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hash_final> <hash_algos
Last updated: Sat, 27 Jan 2007
 
 
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11 июля 2007
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