How Can I Extract Track Information from a SHOUTcast Stream Using PHP?

Pulling Track Info from an Audio Stream Using PHP

Retrieving track information from an audio stream in PHP is possible. While the stream_get_transports function may not be suitable due to host restrictions, alternative methods exist.

SHOUTcast Streams and Metadata

The provided audio stream is a SHOUTcast stream, which utilizes a specialized protocol for metadata transmission. Metadata, including artist and track details, is embedded within the stream data.

Establishing a Connection

To access the metadata, a direct connection to the server is necessary via fsockopen(). Port 80 is commonly used, as many web hosts block other ports.

Metadata Retrieval

1. Establish a connection to the streaming server.
2. Send a GET request with the "Icy-MetaData:1" header.
3. Read 8192 bytes of MP3 data and discard them.
4. Read the next byte to determine the metadata length.
5. Read the indicated number of bytes into a string variable.
6. Remove any trailing null characters from the string.

Parsing Metadata

The metadata string is formatted as key-value pairs separated by semicolons. Common keys include "Stream

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