JsonpResponseFormat.php

<?php

class JsonpResponseFormat extends \Dingo\Api\Http\ResponseFormat\JsonResponseFormat
{

	/**
	 * Get the response content type.
	 *
	 * @return string
	 */
	public function getContentType()
	{
		if (isset($_GET['callback']) && !empty($_GET['callback'])) {
			return 'application/javascript';
		}

		return 'application/json';
	}

	/**
	 * Encode the content to its JSON representation.
	 *
	 * @param  string  $content
	 * @return string
	 */
	protected function encode($content)
	{
		if (isset($_GET['callback']) && !empty($_GET['callback'])) {
			$callback = $_GET['callback'];
			return sprintf('%s(%s);', $callback, json_encode($content));
		}

		return json_encode($content);
	}

}