wp-includes/pomo/plural-forms.php:243Get the plural form for a number.
$numintint public function get( $num ) { if ( isset( $this->cache[ $num ] ) ) { return $this->cache[ $num ]; } $this->cache[ $num ] = $this->execute( $num ); return $this->cache[ $num ]; }Introduced in 4.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/pomo/plural-forms.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.