Description:
------------
helleo, i have a coonexion probleme with my framework ( wamp5 "it use php5")

i can in phpinfo()
Configuration Serveur
Version de Apache:Apache/2.0.55 (Win32)  Version de PHP:5.1.2 Extensions charg?es: 
bcmath, calendar, com_dotnet, ctype, date, ftp, iconv, odbc, pcre, Reflection, session, libxml, standard, tokenizer, zlib, SimpleXML, dom, SPL, wddx, xml, xmlreader, xmlwriter, apache2handler, mbstring, bz2, cpdf, curl, dba, dbase, dbx, exif, fdf, filepro, gd, gettext, iisfunc, imap, interbase, ldap, mcrypt, mhash, mime_magic, ming, mssql, msql, mysql, mysqli, oci8, openssl, oracle, pdf, pgsql, shmop, snmp, sockets, tidy, xmlrpc, xsl, zip, PDO, pdo_sqlite, PDO_Firebird, pdo_mssql, pdo_mysql, PDO_ODBC, pdo_pgsql, SQLite  Version de MySQL:5.0.18-nt



If somebody can help me?



Reproduce code:
---------------
I have this script in index.php


<?php
    try {
        $dbh = new PDO("OCI:dbname=xxxx;charset=UNICODE", "xxxx", "xxxxx");
    } 
	
	catch (PDOException $e) {
        echo "Failed to obtain database handle " . $e->getMessage();
        exit;
    }
    // do something with the database here
    // ...
    
    // now we are done, release the connection
    $dbh = null;
?>


Expected result:
----------------
but I have yhis error i would like why?

Failed to obtain database handle could not find driver