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>openssl_pkey_export_to_file</H1
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><P
>    (PHP 4 &#62;= 4.2.0)</P
>openssl_pkey_export_to_file&nbsp;--&nbsp;Gets an exportable representation of a key into a file </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN68379"
></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
>&#13;     <B
CLASS="function"
>openssl_pkey_export_to_file()</B
> saves an ascii-armoured
     (PEM encoded) rendition of <TT
CLASS="parameter"
><I
>key</I
></TT
> into the file named
     by <TT
CLASS="parameter"
><I
>outfilename</I
></TT
>.  The key can be optionally
     protected by a <TT
CLASS="parameter"
><I
>passphrase</I
></TT
>.
     <TT
CLASS="parameter"
><I
>configargs</I
></TT
> 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 <TT
CLASS="parameter"
><I
>configargs</I
></TT
>.
     Returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> on success or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on failure.
    </P
><DIV
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><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </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.
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