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PHP Functions

Function: md5_file

(PHP 4 >= 4.2.0, PHP 5)

md5_file -- Calculates the md5 hash of a given file

Description

string 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

Version Description 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 md5_file('http://example.com/..')

Related Function(s)

  • md5()
  • sha1_file()
  • crc32()
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