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examples.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 79dcbe011fb254dcd92c597064571fe313362a09 Maintainer: jvenegasperu Status: ready -->
<chapter xml:id="pgsql.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
&reftitle.examples;
<section xml:id="pgsql.examples-basic">
<title>Uso básico</title>
<para>
Este sencillo ejemplo muestra cómo conectarse, ejecutar una consulta, imprimir
filas resultantes y desconectarse de una base de datos PostgreSQL.
<example>
<title>Ejemplo resumido de la extensión PostgreSQL</title>
<programlisting role="php">
<![CDATA[
<?php
// Conectando y seleccionado la base de datos
$dbconn = pg_connect("host=localhost dbname=publishing user=www password=foo")
or die('No se ha podido conectar: ' . pg_last_error());
// Realizando una consulta SQL
$query = 'SELECT * FROM authors';
$result = pg_query($query) or die('La consulta fallo: ' . pg_last_error());
// Imprimiendo los resultados en HTML
echo "<table>\n";
while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
echo "\t<tr>\n";
foreach ($line as $col_value) {
echo "\t\t<td>$col_value</td>\n";
}
echo "\t</tr>\n";
}
echo "</table>\n";
// Liberando el conjunto de resultados
pg_free_result($result);
// Cerrando la conexión
pg_close($dbconn);
?>
]]>
</programlisting>
</example>
</para>
</section>
</chapter>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->