<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Gets an exportable representation of a key into a string</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.openssl-pkey-export-to-file.html">openssl_pkey_export_to_file</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.openssl-pkey-free.html">openssl_pkey_free</a></div> <div class="up"><a href="ref.openssl.html">OpenSSL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.openssl-pkey-export" class="refentry"> <div class="refnamediv"> <h1 class="refname">openssl_pkey_export</h1> <p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">openssl_pkey_export</span> — <span class="dc-title">Gets an exportable representation of a key into a string</span></p> </div> <div class="refsect1 description" id="refsect1-function.openssl-pkey-export-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>openssl_pkey_export</strong></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$out</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$passphrase</code></span> [, <span class="methodparam"><span class="type">array</span> <code class="parameter">$configargs</code></span> ]] )</div> <p class="para rdfs-comment"> <span class="function"><strong>openssl_pkey_export()</strong></span> exports <em><code class="parameter">key</code></em> as a PEM encoded string and stores it into <em><code class="parameter">out</code></em> (which is passed by reference). </p> <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara"> You need to have a valid <var class="filename">openssl.cnf</var> installed for this function to operate correctly. See the notes under <a href="openssl.installation.html" class="link">the installation section</a> for more information. </span> </p></blockquote> </div> <div class="refsect1 parameters" id="refsect1-function.openssl-pkey-export-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">key</code></em></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">out</code></em></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">passphrase</code></em></span> <dd> <p class="para"> The key is optionally protected by <em><code class="parameter">passphrase</code></em>. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">configargs</code></em></span> <dd> <p class="para"> <em><code class="parameter">configargs</code></em> can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See <span class="function"><a href="function.openssl-csr-new.html" class="function">openssl_csr_new()</a></span> for more information about <em><code class="parameter">configargs</code></em>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.openssl-pkey-export-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.openssl-pkey-export-to-file.html">openssl_pkey_export_to_file</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.openssl-pkey-free.html">openssl_pkey_free</a></div> <div class="up"><a href="ref.openssl.html">OpenSSL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>