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<title>Return a list of registered hashing algorithms</title>
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</div><hr /><div id="function.hash-algos" class="refentry">
<div class="refnamediv">
<h1 class="refname">hash_algos</h1>
<p class="verinfo">(PHP 5 >= 5.1.2, PECL hash >= 1.1)</p><p class="refpurpose"><span class="refname">hash_algos</span> — <span class="dc-title">Return a list of registered hashing algorithms</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.hash-algos-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>hash_algos</strong></span>
( <span class="methodparam">void</span>
)</div>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.hash-algos-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns a numerically indexed array containing the list of supported
hashing algorithms.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.hash-algos-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>5.4.0</td>
<td>Support for joaat, fnv132 and fnv164 was added. Support for Salsa10 and Salsa20 was removed.</td>
</tr>
<tr>
<td>5.3.0</td>
<td>Support for md2, ripemd256, ripemd320, salsa10, salsa20, snefru256 and sha224 was added</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.hash-algos-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-828">
<p><strong>Example #1 <span class="function"><strong>hash_algos()</strong></span> example</strong></p>
<div class="example-contents"><p>
As of PHP 5.3.0, <span class="function"><strong>hash_algos()</strong></span> will return the
following list of algorithm names.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">hash_algos</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
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] => adler32
[23] => crc32
[24] => crc32b
[25] => salsa10
[26] => salsa20
[27] => haval128,3
[28] => haval160,3
[29] => haval192,3
[30] => haval224,3
[31] => haval256,3
[32] => haval128,4
[33] => haval160,4
[34] => haval192,4
[35] => haval224,4
[36] => haval256,4
[37] => haval128,5
[38] => haval160,5
[39] => haval192,5
[40] => haval224,5
[41] => haval256,5
)
</pre></div>
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