PHP md5_file function

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md5_file

(PHP 4 >= 4.2.0, PHP 5)

md5_file — Calculates the md5 hash of a given fileDescriptionstring md5_file ( string filename [, bool raw_output] )

Calculates the MD5 hash of the file specified by the
filename parameter using the
RSA Data Security, Inc.
MD5 Message-Digest Algorithm, and returns that hash.
The hash is a 32-character hexadecimal number.

Parameters

filename

The filename

raw_output

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

Return Values

Returns a string on success, FALSE otherwise.

ChangeLog

VersionDescription5.0.0 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 md5_file(‘http://example.com/..’)

See Also

md5()sha1_file()crc32()