wp-includes/ID3/module.tag.id3v2.php:3298$framenamestringstring public static function FrameNameLongLookup($framename) { $begin = __LINE__; /** This is not a comment! AENC Audio encryption APIC Attached picture ASPI Audio seek point index BUF Recommended buffer size CNT Play counter COM Comments COMM Comments COMR Commercial frame CRA Audio encryption CRM Encrypted meta frame ENCR Encryption method registration EQU Equalisation EQU2 Equalisation (2) EQUA Equalisation ETC Event timing codes ETCO Event timing codes GEO General encapsulated object GEOB General encapsulated object GRID Group identification registration IPL Involved people list IPLS Involved people list LINK Linked information LNK Linked information MCDI Music CD identifier MCI Music CD Identifier MLL MPEG location lookup table MLLT MPEG location lookup table OWNE Ownership frame PCNT Play counter PIC Attached picture POP Popularimeter POPM Popularimeter POSS Position synchronisation frame PRIV Private frame RBUF Recommended buffer size REV Reverb RVA Relative volume adjustment RVA2 Relative volume adjustment (2) RVAD Relative volume adjustment RVRB Reverb SEEK Seek frame SIGN Signature frame SLT Synchronised lyric/text STC Synced tempo codes SYLT Synchronised lyric/text SYTC Synchronised tempo codes TAL Album/Movie/Show title TALB Album/Movie/Show title TBP BPM (Beats Per Minute) TBPM BPM (beats per minute) TCM Composer TCMP Part of a compilation TCO Content type TCOM Composer TCON Content type TCOP Copyright message TCP Part of a compilation TCR Copyright message TDA Date TDAT Date TDEN Encoding time TDLY Playlist delay TDOR Original release time TDRC Recording time TDRL Release time TDTG Tagging time TDY Playlist delay TEN Encoded by TENC Encoded by TEXT Lyricist/Text writer TFLT File type TFT File type TIM Time TIME TimeUnchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/module.tag.id3v2.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.