private static function process_layer($layer, $layer_parameter)
{
if (is_array($layer)) {
$resource_type = Cloudinary::option_get($layer, "resource_type");
$text = Cloudinary::option_get($layer, "text");
$type = Cloudinary::option_get($layer, "type");
$public_id = Cloudinary::option_get($layer, "public_id");
$format = Cloudinary::option_get($layer, "format");
$components = array();
if ($text != NULL && $resource_type == NULL) {
$resource_type = "text";
}
if ($public_id != NULL && $format != NULL) {
$public_id = $public_id . "." . $format;
}
if ($public_id == NULL && $resource_type != "text") {
throw new InvalidArgumentException("Must supply public_id for for non-text {$layer_parameter}");
}
if ($resource_type != NULL && $resource_type != "image") {
array_push($components, $resource_type);
}
if ($type != NULL && $type != "upload") {
array_push($components, $type);
}
if ($resource_type == "text" || $resource_type == "subtitles") {
if ($public_id == NULL && $text == NULL) {
throw new InvalidArgumentException("Must supply either text or public_id in {$layer_parameter}");
}
$text_options = Cloudinary::process_text_options($layer, $layer_parameter);
if ($text_options != NULL) {
array_push($components, $text_options);
}
if ($public_id != NULL) {
$public_id = str_replace("/", ":", $public_id);
array_push($components, $public_id);
}
if ($text != NULL) {
$text = Cloudinary::smart_escape($text);
$text = str_replace("%2C", "%E2%80%9A", $text);
$text = str_replace("/", "%E2%81%84", $text);
array_push($components, $text);
}
} else {
$public_id = str_replace("/", ":", $public_id);
array_push($components, $public_id);
}
$layer = implode(":", $components);
}
return $layer;
}
