main_website/html/includes/mtime.php

<?php
  $last_rev = exec('git log -1 --pretty=format:"%H" '.$this_file);
  $mtime = exec('LANG="fr_FR.UTF-8" git log -1 --pretty="format:%ct" '.$this_file);
  $fmt = datefmt_create(
    'fr-FR',
    IntlDateFormatter::FULL,
    IntlDateFormatter::FULL,
    'Europe/Paris',
    IntlDateFormatter::GREGORIAN,
    'd MMMM Y à HH:mm:ss O'
  );
?>
<p style="text-align:right;">Mis à jour le <a href="https://git.gnous.fr/gnous/main_website/commit/<?php echo $last_rev;?>" target="_blank"><?php echo datefmt_format($fmt, $mtime); ?></a></p>