<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >openssl_pkey_export_to_file</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="OpenSSL Functions" HREF="ref.openssl.html"><LINK REL="PREVIOUS" TITLE="openssl_pkcs7_verify" HREF="function.openssl-pkcs7-verify.html"><LINK REL="NEXT" TITLE="openssl_pkey_export" HREF="function.openssl-pkey-export.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.openssl-pkcs7-verify.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.openssl-pkey-export.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.openssl-pkey-export-to-file" ></A >openssl_pkey_export_to_file</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN164093" ></A ><P > (PHP 4 >= 4.2.0, PHP 5)</P >openssl_pkey_export_to_file -- Gets an exportable representation of a key into a file </DIV ><DIV CLASS="refsect1" ><A NAME="AEN164096" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >openssl_pkey_export_to_file</B > ( mixed key, string outfilename [, string passphrase [, array configargs]] )<BR ></BR ><P > <B CLASS="function" >openssl_pkey_export_to_file()</B > saves an ascii-armoured (PEM encoded) rendition of <CODE CLASS="parameter" >key</CODE > into the file named by <CODE CLASS="parameter" >outfilename</CODE >. The key can be optionally protected by a <CODE CLASS="parameter" >passphrase</CODE >. <CODE CLASS="parameter" >configargs</CODE > 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" ><B CLASS="function" >openssl_csr_new()</B ></A > for more information about <CODE CLASS="parameter" >configargs</CODE >. 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > You need to have a valid <TT CLASS="filename" >openssl.cnf</TT > installed for this function to operate correctly. See the notes under <A HREF="ref.openssl.html#openssl.installation" >the installation section</A > for more information. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.openssl-pkcs7-verify.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.openssl-pkey-export.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >openssl_pkcs7_verify</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.openssl.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >openssl_pkey_export</TD ></TR ></TABLE ></DIV ></BODY ></HTML >