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md5

(PHP 4, PHP 5)

md5Calculate the md5 hash of a string

Description

string md5 ( string $str [, bool $raw_output = false ] )

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

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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.

Return Values

Returns the hash as a 32-character hexadecimal number.

Changelog

Version Description
5.0.0 The raw_output parameter was added.

Examples

Example #1 A md5() example

<?php
$str 
'apple';

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

Notes

Note: Secure password hashing

It is not recommended to use this function to secure passwords, due to the fast nature of this hashing algorithm. See here for details.

See Also

  • md5_file() - Calculates the md5 hash of a given file
  • sha1_file() - Calculate the sha1 hash of a file
  • crc32() - Calculates the crc32 polynomial of a string
  • sha1() - Calculate the sha1 hash of a string
  • hash() - Generate a hash value (message digest)

 
 

Execute md5( $input [, $raw_output] );

$input =


$raw_output =


Php Version:




 

 

 


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