pg-ping.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ 297028 -->
<!-- EN-Revision: 04b11e621f6ccf857368d90262f051a8d40c865d Maintainer: jvenegasperu Status: ready -->
<!-- Reviewed: no Maintainer: andresdzphp -->
<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.2 -->
<refentry xml:id="function.pg-ping" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>pg_ping</refname>
  <refpurpose>Ping a conexión de base de datos</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>pg_ping</methodname>
   <methodparam choice="opt"><type>resource</type><parameter>connection</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>pg_ping</function>Hace pings a una conexión de base de datos y trata de
 conectarla de nuevo si está rota.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>connection</parameter></term>
     <listitem>
      <para>
       Recurso de conexión de base de datos PostgreSQL. Cuando el  
       parametro <parameter>connection</parameter> no está presente, se utiliza la conexión 
       por defecto. La conexión por defecto es la última conexión realizada por
       <function>pg_connect</function> o <function>pg_pconnect</function>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Ejemplo de <function>pg_ping</function></title>
    <programlisting role="php">
<![CDATA[
<?php 
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
  echo "Ha ocurrido un error.\n";
  exit;
}

if (!pg_ping($conn))
  die("La conexión está rota\n");
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>pg_connection_status</function></member>
    <member><function>pg_connection_reset</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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