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md5()

md5 - Calculate the md5 hash of a string

Syntax

string md5 (string $str, bool $raw_output)

Arguments

  • str - The string.
  • raw_output - If the optional raw_output is set to TRUE, then the md5 digest is instead returned in raw binary format with a length of 16.

Description

Calculates the MD5 hash of str using the » RSA Data Security, Inc. MD5 Message-Digest Algorithm, and returns that hash.

Version

PHP 4, 5

Return value

Returns the hash as a 32-character hexadecimal number.