french_dates.php

<pre>
$today1 = date("D, d M Y");

#jour en français
$today1 = preg_replace("/Mon/", "Lundi", $today1);
$today1 = preg_replace("/Tue/", "Mardi", $today1);
$today1 = preg_replace("/Wed/", "Mercredi", $today1);
$today1 = preg_replace("/Thu/", "Jeudi", $today1);
$today1 = preg_replace("/Fri/", "Vendredi", $today1);
$today1 = preg_replace("/Sat/", "Samedi", $today1);
$today1 = preg_replace("/Sun/", "Dimanche", $today1);

#mois en francais
$today1 = preg_replace("/Jan/", "Janvier", $today1);
$today1 = preg_replace("/Feb/", "Février", $today1);
$today1 = preg_replace("/Mar/", "Mars", $today1);
$today1 = preg_replace("/Apr/", "Avril", $today1);
$today1 = preg_replace("/May/", "Mai", $today1);
$today1 = preg_replace("/Jun/", "Juin", $today1);
$today1 = preg_replace("/Jul/", "Juillet", $today1);
$today1 = preg_replace("/Aug/", "Août", $today1);
$today1 = preg_replace("/Sept/", "Septembre", $today1);
$today1 = preg_replace("/Oct/", "Octobre", $today1);
$today1 = preg_replace("/Nov/", "Novembre", $today1);
$today1 = preg_replace("/Dec/", "Décembre", $today1);
</pre>

Avec heure. minute, seconde:

$today=date("Y-m-d H:i:s");