# id3_get_tag

(PECL id3 >= 0.1)

id3_get_tag — Get all information stored in an ID3 tag

### 说明

id3_get_tag ( string `$filename` [, int `$version` = ID3_BEST ] ) : array

id3_get_tag() is used to get all information stored in the id3 tag of the specified file.

### 参数

`filename`

  The path to the MP3 file

  Instead of a filename you may also pass a valid stream resource

`version`

  Allows you to specify the version of the tag as MP3 files may contain both, version 1.x and version 2.x tags

  Since version 0.2 id3_get_tag() also supports ID3 tags of version 2.2, 2.3 and 2.4. To extract information from these tags, pass one of the constants ID3_V2_2, ID3_V2_3 or ID3_V2_4 as the second parameter. ID3 v2.x tags can contain a lot more information about the MP3 file than ID3 v1.x tags.

### 返回值

Returns an associative array with various keys like: title, artist, ..

The key genre will contain an integer between 0 and 147. You may use id3_get_genre_name() to convert it to a human readable string.

### 范例

Example #1 id3_get_tag() example

    <?php
    $tag = id3_get_tag( "path/to/example.mp3" );
    print_r($tag);
    ?>

以上例程的输出类似于：

    Array
    (
        [title] => DN-38416
        [artist] => Re:\Legion
        [album] => Reflections
        [year] => 2004
        [genre] => 19
    )

Example #2 id3_get_tag() example

    <?php
    $tag = id3_get_tag( "path/to/example2.mp3", ID3_V2_3 );
    print_r($tag);
    ?>

以上例程的输出类似于：

    Array
    (
        [copyright] => Dirty Mac
        [originalArtist] => Dirty Mac
        [composer] => Marcus Götze
        [artist] => Dirty Mac
        [title] => Little Big Man
        [album] => Demo-Tape
        [track] => 5/12
        [genre] => (17)Rock
        [year] => 2001
    )

### 参见

- id3_set_tag() - Update information stored in an ID3 tag
- id3_remove_tag() - Remove an existing ID3 tag
- id3_get_version() - Get version of an ID3 tag