wp-includes/ID3/module.tag.id3v2.php:3486$framenamestringstring public static function FrameNameShortLookup($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 comment COMM comment COMR commercial_frame CRA audio_encryption CRM encrypted_meta_frame ENCR encryption_method_registration EQU equalisation EQU2 equalisation 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 RVAD relative_volume_adjustment RVRB reverb SEEK seek_frame SIGN signature_frame SLT synchronised_lyric STC synced_tempo_codes SYLT synchronised_lyric SYTC synchronised_tempo_codes TAL album TALB album TBP bpm TBPM bpm TCM composer TCMP part_of_a_compilation TCO genre TCOM composer TCON genre 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 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.