openssl-csr-get-subject.xml

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<refentry xml:id="function.openssl-csr-get-subject" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>openssl_csr_get_subject</refname>
  <refpurpose>Returns the subject of a <acronym>CSR</acronym></refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>array</type><type>false</type></type><methodname>openssl_csr_get_subject</methodname>
   <methodparam><type class="union"><type>OpenSSLCertificateSigningRequest</type><type>string</type></type><parameter>csr</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>short_names</parameter><initializer>&true;</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>openssl_csr_get_subject</function> returns subject
   distinguished name information encoded in the <parameter>csr</parameter>
    including fields commonName (CN), organizationName (O), countryName (C) etc.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
     &openssl.param.csr;
    <varlistentry>
     <term><parameter>short_names</parameter></term>
     <listitem>
      <para>
       <parameter>shortnames</parameter> controls how the data is indexed in the
       array - if <parameter>shortnames</parameter> is &true; (the default) then
       fields will be indexed with the short name form, otherwise, the long name
       form will be used - e.g.: CN is the shortname form of commonName.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an associative array with subject description, &return.falseforfailure;.
  </para>
 </refsect1>
 
 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>csr</parameter> accepts an <classname>OpenSSLCertificateSigningRequest</classname> instance now;
       previously, a &resource; of type <literal>OpenSSL X.509 CSR</literal> was accepted.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>openssl_csr_get_subject() example</title>
    <programlisting role="php">
<![CDATA[
<?php
$subject = array(
    "countryName" => "CA",
    "stateOrProvinceName" => "Alberta",
    "localityName" => "Calgary",
    "organizationName" => "XYZ Widgets Inc",
    "organizationalUnitName" => "PHP Documentation Team",
    "commonName" => "Wez Furlong",
    "emailAddress" => "wez@example.com",
);
$private_key = openssl_pkey_new(array(
    "private_key_bits" => 2048,
    "private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$configargs = array(
    'digest_alg' => 'sha512WithRSAEncryption'
);
$csr = openssl_csr_new($subject, $privkey, $configargs);
print_r(openssl_csr_get_subject($csr));
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [C] => CA
    [ST] => Alberta
    [L] => Calgary
    [O] => XYZ Widgets Inc
    [OU] => PHP Documentation Team
    [CN] => Wez Furlong
    [emailAddress] => wez@example.com
)
]]>
    </screen>

   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>openssl_csr_new</function></member>
    <member><function>openssl_csr_get_public_key</function></member>
    <member><function>openssl_x509_parse</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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