private static function process_layer($layer, $layer_parameter)
{
if (is_array($layer)) {
$resource_type = Cloudinary::option_get($layer, "resource_type");
$type = Cloudinary::option_get($layer, "type");
$text = Cloudinary::option_get($layer, "text");
$text_style = NULL;
$public_id = Cloudinary::option_get($layer, "public_id");
$format = Cloudinary::option_get($layer, "format");
$components = array();
if ($public_id != NULL) {
$public_id = str_replace("/", ":", $public_id);
if ($format != NULL) {
$public_id = $public_id . "." . $format;
}
}
if ($text == NULL && $resource_type != "text") {
if ($public_id == NULL) {
throw new InvalidArgumentException("Must supply public_id for {$resource_type} {$layer_parameter}");
}
if ($resource_type == "subtitles") {
$text_style = Cloudinary::text_style($layer, $layer_parameter);
}
} else {
$resource_type = "text";
$type = NULL;
// type is ignored for text layers
$text_style = Cloudinary::text_style($layer, $layer_parameter);
#FIXME duplicate
if ($text != NULL) {
if (!($public_id != NULL xor $text_style != NULL)) {
throw new InvalidArgumentException("Must supply either style parameters or a public_id when providing text parameter in a text {$layer_parameter}");
}
$text = Cloudinary::smart_escape($text);
$text = str_replace("%2C", "%252C", $text);
$text = str_replace("/", "%252F", $text);
}
}
if ($resource_type != "image") {
array_push($components, $resource_type);
}
if ($type != "upload") {
array_push($components, $type);
}
array_push($components, $text_style);
array_push($components, $public_id);
array_push($components, $text);
$layer = implode(":", array_filter($components, 'Cloudinary::is_not_null'));
}
return $layer;
}