reference/pgsql/functions/pg-version.xml
c2eca73ef79ebe78cebb34053e41b565af504c4f
c2eca73ef79ebe78cebb34053e41b565af504c4f
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&reftitle.description;
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<methodsynopsis>
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<type>array</type><methodname>pg_version</methodname>
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<methodparam choice="opt"><type>resource</type><parameter>connection</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>PgSql\Connection</type><type>null</type></type><parameter>connection</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_version</function> returns an array with the client, protocol
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<varlistentry>
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<term><parameter>connection</parameter></term>
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<listitem>
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<para>
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PostgreSQL database connection resource. When
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<parameter>connection</parameter> is not present, the default connection
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is used. The default connection is the last connection made by
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<function>pg_connect</function> or <function>pg_pconnect</function>.
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</para>
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&pgsql.parameter.connection-with-nullable-default;
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</listitem>
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</varlistentry>
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</variablelist>
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&reftitle.returnvalues;
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<para>
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Returns an array with <literal>client</literal>, <literal>protocol</literal>
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and <literal>server</literal> keys and values (if available). Returns
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&false; on error or invalid connection.
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and <literal>server</literal> keys and values (if available).
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&pgsql.changelog.connection-object;
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<row>
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<entry>8.0.0</entry>
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<entry>
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<parameter>connection</parameter> is now nullable.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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