<?php
/**
 * This smarty plugin shows a singular or plural message based in a informed number
 * How to use in a template file: {singular_plural singular="%d woman" plural="%d women" number=2}. Result: 2 women, in this case.
 * 
 * @version 0.1
 * @date Monday, January 7, 2008
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 */
function smarty_function_singular_plural( $params, &$smarty )
{
	// Verify if the params (singular, plural, number) was informed
	if ( empty( $params['singular'] ) and empty( $params['plural'] ) and empty( $params['number'] ) ) :
		$smarty->_trigger_fatal_error( '[plural] params: singular, plural and number are required.' );
		return;
	endif;
	
	if ( $params['number'] > 1 )
		return sprintf( $params['plural'], $params['number'] );
		return sprintf( $params['singular'], $params['number'] );
}
?>