wp-includes/ID3/module.audio-video.flv.php:467float|false public function readDouble() { return getid3_lib::BigEndian2Float($this->read(8)); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/module.audio-video.flv.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.