hash_file

(PHP 5 >= 5.1.2, PECL hash >= 1.1)

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

Описание

string hash_file ( string $algo , string $filename [, bool $raw_output= false ] )

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() - Generate a hash value (message digest)
hash_hmac_file() - Generate a keyed hash value using the HMAC method and the contents of a given file
hash_update_file() - Pump data into an active hashing context from a file
md5_file() - Возвращает MD5 хэш файла
sha1_file() - Возвращает SHA1 хэш файла