php man page for hash_algos

HASH_ALGOS(3)								 1							     HASH_ALGOS(3)

hash_algos - Return a list of registered hashing algorithms

SYNOPSIS
       array hash_algos (void  )

DESCRIPTION
RETURN VALUES
	Returns a numerically indexed array containing the list of supported hashing algorithms.

CHANGELOG
       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.6.0	|						    |
       |	|						    |
       |	|  Support  for  gost-crypto was added. This imple- |
       |	| ments the GOST hash function using the  CryptoPro |
       |	| S-box  tables  as  specified by RFC 4357, section |
       |	| 11.2. 					    |
       |	|						    |
       | 5.4.0	|						    |
       |	|						    |
       |	| Support for joaat, fnv132 and fnv164	was  added. |
       |	| Support for Salsa10 and Salsa20 was removed.	    |
       |	|						    |
       | 5.3.0	|						    |
       |	|						    |
       |	| Support  for	md2, ripemd256, ripemd320, salsa10, |
       |	| salsa20, snefru256 and sha224 was added	    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES
       Example #1

	      hash_algos(3) example

	       As of PHP 5.6.0, hash_algos(3) will return the following list of algorithm names.

	      <?php
	      print_r(hash_algos());
	      ?>

	      The above example will output something similar to:

	      Array
	      (
		  [0] => md2
		  [1] => md4
		  [2] => md5
		  [3] => sha1
		  [4] => sha224
		  [5] => sha256
		  [6] => sha384
		  [7] => sha512
		  [8] => ripemd128
		  [9] => ripemd160
		  [10] => ripemd256
		  [11] => ripemd320
		  [12] => whirlpool
		  [13] => tiger128,3
		  [14] => tiger160,3
		  [15] => tiger192,3
		  [16] => tiger128,4
		  [17] => tiger160,4
		  [18] => tiger192,4
		  [19] => snefru
		  [20] => snefru256
		  [21] => gost
		  [22] => gost-crypto
		  [23] => adler32
		  [24] => crc32
		  [25] => crc32b
		  [26] => fnv132
		  [27] => fnv1a32
		  [28] => fnv164
		  [29] => fnv1a64
		  [30] => joaat
		  [31] => haval128,3
		  [32] => haval160,3
		  [33] => haval192,3
		  [34] => haval224,3
		  [35] => haval256,3
		  [36] => haval128,4
		  [37] => haval160,4
		  [38] => haval192,4
		  [39] => haval224,4
		  [40] => haval256,4
		  [41] => haval128,5
		  [42] => haval160,5
		  [43] => haval192,5
		  [44] => haval224,5
		  [45] => haval256,5
	      )

PHP Documentation Group 													     HASH_ALGOS(3)