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md5

Calculate the md5 hash of a string (PHP 4, PHP 5, PECL hash:1.1-1.3)
string md5 ( string str [, bool raw_output] )

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

Parameters

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. Defaults to FALSE.

Return Values

Returns the hash as a 32-character hexadecimal number.

ChangeLog

VersionDescription
5.0.0 The raw_output parameter was added.

Examples

Example 2420. A md5() example

<?php
$str
= 'apple';

if (
md5($str) === '1f3870be274f6c49b3e31a0c6728957f') {
   echo
"Would you like a green or red apple?";
   exit;
}
?>