Variable within variable expansion Post: 303044731

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LEARN ABOUT PHP

id3_set_tag

ID3_SET_TAG(3)								 1							    ID3_SET_TAG(3)

id3_set_tag - Update information stored in an ID3 tag

SYNOPSIS

       bool id3_set_tag (string  $filename, array  $tag, [int  $version = ID3_V1_0])

DESCRIPTION

       id3_set_tag(3) is used to change the information stored of an ID3 tag. If no tag has been present, it will be added to the file.

PARAMETERS

	      o $filename
		- The path to the MP3 file  Instead of a filename you may also pass a valid stream resource

	      o $tag
		- An associative array of tag keys and values  The following keys may be used in the associative array:

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

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      id3_set_tag(3) 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 successfully updated
";
	      }
	      ?>

	       If the file is writable, this will output:

	      Tag successfully updated

NOTES

       Note

	       Currently id3_set_tag(3) only supports version 1.0 and 1.1.

SEE ALSO

       id3_remove_tag(3), id3_get_tag(3), id3_get_version(3).

PHP Documentation Group 													    ID3_SET_TAG(3)

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