id3_set_tag() is used to change the information stored of an ID3 tag. If no tag has been present, it will be added to the file.
Note: Instead of a filename you may also pass a valid stream resource.
The optional version parameter allows you to specify the version of the tag as MP3 files may contain both, version 1.x and version 2.x tags.
Example 1. id3_set_tag() example
If the file is writable, this will output:
Note: Currently id3_set_tag() only supports version 1.0 and 1.1.
The following keys may be used in the associative array:
Table 1. Keys in the associative array
|key||possible value||available in version|
|title||string with maximum of 30 characters||v1.0, v1.1|
|artist||string with maximum of 30 characters||v1.0, v1.1|
|album||string with maximum of 30 characters||v1.0, v1.1|
|year||4 digits||v1.0, v1.1|
|genre||integer value between 0 and 147||v1.0, v1.1|
|comment||string with maximum of 30 characters (28 in v1.1)||v1.0, v1.1|
|track||integer between 0 and 255||v1.1|