Code: 
header('Content-type: text/plain');
print_r( getimagesize('../../images/logo_couleur_w3c.png') );


Résultat:
Array
(
    [0] => 228
    [1] => 87
    [2] => 3
    [3] => width="228" height="87"
)


Image: http://yansanmo.no-ip.org:8080/images/logo_couleur_w3c.png
?>