[[+publishedon:strtotime:date=`%b %e, %Y`]]
This question has been answered by BobRay. See the first response.
<?php
/* DateFormat snippet */
$locale = $modx->getOption('locale');
setlocale(LC_ALL, $locale);
$field = $scriptProperties['field'];
$format = $scriptProperties['formatString'];
$resource = $modx->getObject('modResource', $scriptProperties['id']);
$timestamp = $resource->_fields[$field];
return strftime($format, $timestamp);"ao�t 2, 2012 & f�vr. 19, 2013"
<meta name="content-language" content="fr" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<?php
/* DateFormat snippet */
$locale = $modx->getOption('locale');
setlocale(LC_ALL, $locale);
$field = $scriptProperties['field'];
$format = $scriptProperties['formatString'];
$resource = $modx->getObject('modResource', $scriptProperties['id']);
$timestamp = $resource->_fields[$field];
$date_formatted = strftime($format, $timestamp);
return iconv('Windows-1252','UTF-8',$date_formatted);