📄 function.openssl-pkey-export-to-file.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Gets an exportable representation of a key into a file</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.openssl-pkcs7-verify.html">openssl_pkcs7_verify</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.openssl-pkey-export.html">openssl_pkey_export</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-to-file" class="refentry"> <div class="refnamediv"> <h1 class="refname">openssl_pkey_export_to_file</h1> <p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">openssl_pkey_export_to_file</span> — <span class="dc-title">Gets an exportable representation of a key into a file </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>openssl_pkey_export_to_file</b></b></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$key</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$outfilename</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$passphrase</tt></span> [, <span class="methodparam"><span class="type">array</span> <tt class="parameter">$configargs</tt></span> ]] )</div> <p class="para rdfs-comment"> <b>openssl_pkey_export_to_file()</b> saves an ascii-armoured (PEM encoded) rendition of <i><tt class="parameter">key</tt></i> into the file named by <i><tt class="parameter">outfilename</tt></i>. </p> <blockquote><p><b class="note">Note</b>: <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"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">key</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">outfilename</tt></i></span> <dd> <p class="para"> Path to the output file. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">passphrase</tt></i></span> <dd> <p class="para"> The key can be optionally protected by a <i><tt class="parameter">passphrase</tt></i>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">configargs</tt></i></span> <dd> <p class="para"> <i><tt class="parameter">configargs</tt></i> can be used to fine-tune the export process by specifying and/or overriding options for the openssl configuration file. See <a href="function.openssl-csr-new.html" class="function">openssl_csr_new()</a> for more information about <i><tt class="parameter">configargs</tt></i>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.openssl-pkcs7-verify.html">openssl_pkcs7_verify</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.openssl-pkey-export.html">openssl_pkey_export</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>⌨️ 快捷键说明
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