getid3_id3v2::ID3v22iTunesBrokenFrameName

		return (($majorversion == 2) ? 6 : 10);
	}

	/**
	 * @param string $frame_name
	 *
	 * @return string|false
	 */
	public static function ID3v22iTunesBrokenFrameName($frame_name) {
		// iTunes (multiple versions) has been known to write ID3v2.3 style frames
		// but use ID3v2.2 frame names, right-padded using either [space] or [null]
		// to make them fit in the 4-byte frame name space of the ID3v2.3 frame.
		// This function will detect and translate the corrupt frame name into ID3v2.3 standard.
		static $ID3v22_iTunes_BrokenFrames = array(
			'BUF' => 'RBUF', // Recommended buffer size
			'CNT' => 'PCNT', // Play counter
			'COM' => 'COMM', // Comments
			'CRA' => 'AENC', // Audio encryption
			'EQU' => 'EQUA', // Equalisation
			'ETC' => 'ETCO', // Event timing codes
			'GEO' => 'GEOB', // General encapsulated object
			'IPL' => 'IPLS', // Involved people list
			'LNK' => 'LINK', // Linked information
			'MCI' => 'MCDI', // Music CD identifier
			'MLL' => 'MLLT', // MPEG location lookup table
			'PIC' => 'APIC', // Attached picture
			'POP' => 'POPM', // Popularimeter
			'REV' => 'RVRB', // Reverb
			'RVA' => 'RVAD', // Relative volume adjustment
			'SLT' => 'SYLT', // Synchronised lyric/text
			'STC' => 'SYTC', // Synchronised tempo codes
			'TAL' => 'TALB', // Album/Movie/Show title
			'TBP' => 'TBPM', // BPM (beats per minute)
			'TCM' => 'TCOM', // Composer
			'TCO' => 'TCON', // Content type
			'TCP' => 'TCMP', // Part of a compilation
			'TCR' => 'TCOP', // Copyright message
			'TDA' => 'TDAT', // Date
			'TDY' => 'TDLY', // Playlist delay
			'TEN' => 'TENC', // Encoded by
			'TFT' => 'TFLT', // File type
			'TIM' => 'TIME', // Time
			'TKE' => 'TKEY', // Initial key
			'TLA' => 'TLAN', // Language(s)
			'TLE' => 'TLEN', // Length
			'TMT' => 'TMED', // Media type
			'TOA' => 'TOPE', // Original artist(s)/performer(s)
			'TOF' => 'TOFN', // Original filename
			'TOL' => 'TOLY', // Original lyricist(s)/text writer(s)
			'TOR' => 'TORY', // Original release year
			'TOT' => 'TOAL', // Original album/movie/show title
			'TP1' => 'TPE1', // Lead performer(s)/Soloist(s)
			'TP2' => 'TPE2', // Band/orchestra/accompaniment
			'TP3' => 'TPE3', // Conductor/performer refinement
			'TP4' => 'TPE4', // Interpreted, remixed, or otherwise modified by
			'TPA' => 'TPOS', // Part of a set
			'TPB' => 'TPUB', // Publisher
			'TRC' => 'TSRC', // ISRC (international standard recording code)
			'TRD' => 'TRDA', // Recording dates
			'TRK' => 'TRCK', // Track number/Position in set
			'TS2' => 'TSO2', // Album-Artist sort order
			'TSA' => 'TSOA', // Album sort order
			'TSC' => 'TSOC', // Composer sort order
			'TSI' => 'TSIZ', // Size
			'TSP' => 'TSOP', // Performer sort order
			'TSS' => 'TSSE', // Software/Hardware and settings used for encoding
			'TST' => 'TSOT', // Title sort order
			'TT1' => 'TIT1', // Content group description
			'TT2' => 'TIT2', // Title/songname/content description
			'TT3' => 'TIT3', // Subtitle/Description refinement
			'TXT' => 'TEXT', // Lyricist/Text writer
			'TXX' => 'TXXX', // User defined text information frame
			'TYE' => 'TYER', // Year
			'UFI' => 'UFID', // Unique file identifier
			'ULT' => 'USLT', // Unsynchronised lyric/text transcription
			'WAF' => 'WOAF', // Official audio file webpage
			'WAR' => 'WOAR', // Official artist/performer webpage
			'WAS' => 'WOAS', // Official audio source webpage
			'WCM' => 'WCOM', // Commercial information
			'WCP' => 'WCOP', // Copyright/Legal information
			'WPB' => 'WPUB', // Publishers official webpage
			'WXX' => 'WXXX', // User defined URL link frame
		);
		if (strlen($frame_name) == 4) {