wp-includes/ID3/getid3.lib.php:1418$namecodeintstring public static function RGADnameLookup($namecode) { static $RGADname = array(); if (empty($RGADname)) { $RGADname[0] = 'not set'; $RGADname[1] = 'Track Gain Adjustment'; $RGADname[2] = 'Album Gain Adjustment'; } return (isset($RGADname[$namecode]) ? $RGADname[$namecode] : ''); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.lib.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.