hash

(PHP 5 >= 5.1.2, PECL hash >= 1.1)

hash — Generate a hash value (message digest)

Descrição

string hash ( string $algo , string $data [, bool $raw_output = false ] )

Parâmetros

algo

Name of selected hashing algorithm (e.g. "md5", "sha256", "haval160,4", etc..)

data

Message to be hashed.

raw_output

When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.

Valor Retornado

Returns a string containing the calculated message digest as lowercase hexits unless raw_output is set to true in which case the raw binary representation of the message digest is returned.

Changelog

Versão Descrição
5.4.0 The tiger algorithm now uses big-endian byte ordering.

Exemplos

Example #1 A hash() example

<?php
echo hash('ripemd160', 'The quick brown fox jumped over the lazy dog.');
?>

O exemplo acima irá imprimir:

ec457d0a974c48d5685a7efa03d137dc8bbde7e3

Veja Também

  • hash_file() - Generate a hash value using the contents of a given file
  • hash_hmac() - Generate a keyed hash value using the HMAC method
  • hash_init() - Initialize an incremental hashing context
  • md5() - Calcula o "hash MD5" de uma string
  • sha1() - Calcula a hash sha1 de uma string