$urlimg = $chemin_tmp.$fichiername.$ext;

$filearr = $chemin.$fichiername.$ext;





list($width_orig, $height_orig) = getimagesize($urlimg);



if ($width_orig < $height_orig) {$width = 300;$height = 400;}

else {$width = 400;$height = 300;}



if ($width && ($width_orig < $height_orig)) {$width = ($height / $height_orig) * $width_orig;}

else {$height = ($width / $width_orig) * $height_orig;}



$image_p = imagecreate($width, $height);

$image = imagecreatefromgif($urlimg);

imagecopyresized($filearr, $urlimg, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);





imagegif($image_p, $filearr, 100);



unlink($urlimg);

}