wp-includes/pomo/po.php:58Exports all entries to PO format
string public function export_entries() { // TODO: Sorting. return implode( "\n\n", array_map( array( 'PO', 'export_entry' ), $this->entries ) ); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/pomo/po.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.