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sha1_file

(PHP 4 >= 4.3.0, PHP 5)

sha1_file -- Calculate the sha1 hash of a file

Description

string sha1_file ( string filename [, bool raw_output] )

Calculates the sha1 hash of filename using the US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.

Parameters

filename

The filename

raw_output

When TRUE, returns the digest in raw binary format with a length of 20. Defaults to FALSE.

Return Values

Returns a string on success, FALSE otherwise.

ChangeLog

VersionDescription
5.0.0 Added the raw_output parameter
5.1.0 Changed the function to use the streams API. It means that you can use it with wrappers, like sha1_file('http://example.com/..')

See Also

sha1()
md5_file()
crc32()

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Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/. Please see full copyright text at http://www.php.net/manual/en/copyright.php Original version of the above documentation is available at http://www.php.net/manual/en/



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