wp-includes/ID3/getid3.php:2381bool protected function feof() { if ($this->data_string_flag) { return $this->data_string_position >= $this->data_string_length; } return feof($this->getid3->fp); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.