Gettext_Translations::make_plural_form_function( int $nplurals, string $expression ): callable

Source

public function make_plural_form_function( $nplurals, $expression ) {
	try {
		$handler = new Plural_Forms( rtrim( $expression, ';' ) );
		return array( $handler, 'get' );
	} catch ( Exception $e ) {
		// Fall back to default plural-form function.
		return $this->make_plural_form_function( 2, 'n != 1' );
	}
}

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