Usa date_parse($actualite['date']);
, que devolverá una matriz que contiene el día, el mes, el año y otros elementos.
http://www.php.net/manual/en/function .date-parse.php
Ejemplo:
<?php
print_r(date_parse("2006-12-12 10:00:00.5"));
?>
Salida:
Array
(
[year] => 2006
[month] => 12
[day] => 12
[hour] => 10
[minute] => 0
[second] => 0
[fraction] => 0.5
[warning_count] => 0
[warnings] => Array()
[error_count] => 0
[errors] => Array()
[is_localtime] =>
)