Function: getCurrentAlbumArt

• Purpose: Fetches the current song's album art for a specific radio station from an AzuraCast server.

• Parameters:

  • $azuraCastBaseUrl: The base URL of the AzuraCast server.
  • $stationId: The ID of the station. Defaults to 1.

• Process:

  1. Constructs the endpoint URL to fetch the now playing data from AzuraCast.
  2. Makes a CURL request to this endpoint.
  3. Decodes the returned JSON data.
  4. Extracts the album art URL from the decoded data.

• Returns:

  • The URL of the album art if it exists.
  • false if an error occurred or if the album art is not found.

Main Script:

• Sets the $azuraCastBaseUrl to the provided AzuraCast server URL.
• Calls the getCurrentAlbumArt function to get the album art URL.
• If a valid album art URL is retrieved:
  • Fetches the content of the image using the URL.
  • Outputs the image with the appropriate content type header.
• If the image content cannot be fetched or the album art URL is not found, an error message is sent.