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id3_set_tag

(PECL)

id3_set_tag -- Update information stored in an ID3 tag

说明

bool id3_set_tag ( string filename, array tag [, int version] )

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.

参数

filename

The path to the MP3 file

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

tag

An associative array of tag keys and values

The following keys may be used in the associative array:

表 1. Keys in the associative array

keypossible valueavailable in version
titlestring with maximum of 30 charactersv1.0, v1.1
artiststring with maximum of 30 charactersv1.0, v1.1
albumstring with maximum of 30 charactersv1.0, v1.1
year4 digitsv1.0, v1.1
genreinteger value between 0 and 147v1.0, v1.1
commentstring with maximum of 30 characters (28 in v1.1)v1.0, v1.1
trackinteger between 0 and 255v1.1

version

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

返回值

如果成功则返回 TRUE，失败则返回 FALSE。

范例

例 1. id3_set_tag() example

<?php
$data = array(
              "title" => "Re:Start",
              "artist" => "Re:\Legion",
              "comment" => "A nice track"
             );
$result = id3_set_tag( "path/to/example.mp3", $data, ID3_V1_0 );
if ($result === true) {
    echo "Tag succesfully updated\n";
}
?>

If the file is writable, this will output: 

Tag succesfully updated

注释

注意: Currently id3_remove_tag() only supports version 1.0 and 1.1.

参见

id3_remove_tag()
id3_get_tag()
id3_get_version()

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id3_remove_tag上一级IIS Administration Functions