hash_file
(PHP 5 >= 5.1.2, PECL hash:1.1-1.5)
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
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