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  <title>Gets available digest methods</title>

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</div><hr /><div id="function.openssl-get-md-methods" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">openssl_get_md_methods</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0)</p><p class="refpurpose"><span class="refname">openssl_get_md_methods</span> &mdash; <span class="dc-title">Gets available digest methods</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.openssl-get-md-methods-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>openssl_get_md_methods</strong></span>
    ([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$aliases</code><span class="initializer"> = false</span></span>
  ] )</div>

  <p class="para rdfs-comment">
   Gets a list of available digest methods.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.openssl-get-md-methods-parameters">
  <h3 class="title">Parameters</h3>
  <p class="para">
   <dl>

    <dt>

     <span class="term"><em><code class="parameter">aliases</code></em></span>
     <dd>

      <p class="para">
       Set to <strong><code>TRUE</code></strong> if digest aliases should be included within the
       returned <span class="type"><a href="language.types.array.html" class="type array">array</a></span>.
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.openssl-get-md-methods-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   An <span class="type"><a href="language.types.array.html" class="type array">array</a></span> of available digest methods.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.openssl-get-md-methods-examples">
  <h3 class="title">Examples</h3>
  <p class="para">
   <div class="example" id="example-863">
    <p><strong>Example #1  <span class="function"><strong>openssl_get_md_methods()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     Shows how the available digests might look, and also which aliases
     might be available.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$digests&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">openssl_get_md_methods</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$digests_and_aliases&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">openssl_get_md_methods</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$digest_aliases&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">array_diff</span><span style="color: #007700">(</span><span style="color: #0000BB">$digests_and_aliases</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$digests</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$digests</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$digest_aliases</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</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] =&gt; DSA
    [1] =&gt; DSA-SHA
    [2] =&gt; MD2
    [3] =&gt; MD4
    [4] =&gt; MD5
    [5] =&gt; RIPEMD160
    [6] =&gt; SHA
    [7] =&gt; SHA1
    [8] =&gt; SHA224
    [9] =&gt; SHA256
    [10] =&gt; SHA384
    [11] =&gt; SHA512
    [12] =&gt; dsaEncryption
    [13] =&gt; dsaWithSHA
    [14] =&gt; ecdsa-with-SHA1
    [15] =&gt; md2
    [16] =&gt; md4
    [17] =&gt; md5
    [18] =&gt; ripemd160
    [19] =&gt; sha
    [20] =&gt; sha1
    [21] =&gt; sha224
    [22] =&gt; sha256
    [23] =&gt; sha384
    [24] =&gt; sha512
)
Array
(
    [2] =&gt; DSA-SHA1
    [3] =&gt; DSA-SHA1-old
    [4] =&gt; DSS1
    [9] =&gt; RSA-MD2
    [10] =&gt; RSA-MD4
    [11] =&gt; RSA-MD5
    [12] =&gt; RSA-RIPEMD160
    [13] =&gt; RSA-SHA
    [14] =&gt; RSA-SHA1
    [15] =&gt; RSA-SHA1-2
    [16] =&gt; RSA-SHA224
    [17] =&gt; RSA-SHA256
    [18] =&gt; RSA-SHA384
    [19] =&gt; RSA-SHA512
    [28] =&gt; dsaWithSHA1
    [29] =&gt; dss1
    [32] =&gt; md2WithRSAEncryption
    [34] =&gt; md4WithRSAEncryption
    [36] =&gt; md5WithRSAEncryption
    [37] =&gt; ripemd
    [39] =&gt; ripemd160WithRSA
    [40] =&gt; rmd160
    [43] =&gt; sha1WithRSAEncryption
    [45] =&gt; sha224WithRSAEncryption
    [47] =&gt; sha256WithRSAEncryption
    [49] =&gt; sha384WithRSAEncryption
    [51] =&gt; sha512WithRSAEncryption
    [52] =&gt; shaWithRSAEncryption
    [53] =&gt; ssl2-md5
    [54] =&gt; ssl3-md5
    [55] =&gt; ssl3-sha1
)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.openssl-get-md-methods-seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"> <span class="function"><a href="function.openssl-digest.html" class="function" rel="rdfs-seeAlso">openssl_digest()</a> - Computes a digest</span></li>
    <li class="member"> <span class="function"><a href="function.openssl-get-cipher-methods.html" class="function" rel="rdfs-seeAlso">openssl_get_cipher_methods()</a> - Gets available cipher methods</span></li>
   </ul>
  </p>
 </div>


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