<?php
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/*                / _ \/ _ \/ _ \_\ \/ _ \/ // / __/ __/ -_|_-<               */
/*               / .__/_//_/ .__/___/\___/\_,_/_/  \__/\__/___/               */
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/* Titre          : Ping le serveur MySQL                                     */
/*                                                                            */
/* URL            : http://www.phpsources.org/scripts13-MySQL.htm             */
/* Auteur         : Olivier                                                   */
/* Date édition   : 31 Jan 2007                                               */
/*                                                                            */
/******************************************************************************/


$conn = mysql_connect('localhost','user','pass');
mysql_select_db('db',$conn);

if (!mysql_ping ($conn)) {
   // fermer la connection meme si ce n'est pas connecté
   mysql_close($conn);
   $conn = mysql_connect('localhost','user','pass');
   mysql_select_db('db',$conn);
}

// Lancer ici vos requetes

?>