procesar fecha

fecha.class.php

<?php 

	class Fecha
	{

		private $dia = array();
		private $mes = array();
		private $anio = array();
		
		function __construct()
		{
			
		}

		public function calcDias( $fhInicio, $fhFin, $hrInicio, $hrFin)
		{

			list( $this->anio['inicio'], $this->mes['inicio'], $this->dia['inicio'] ) = explode('-', $fhInicio);
			list( $this->anio['fin'], $this->mes['fin'], $this->dia['fin'] ) = explode('-', $fhFin);

			$timeInicial = mktime( $hrInicio, 0, 0, $this->mes['inicio'], $this->dia['inicio'], $this->anio['inicio']);
	        $timeFinal = mktime( $hrFin, 0, 0, $this->mes['fin'], $this->dia['fin'], $this->anio['fin']);

	        $totalDias = $timeFinal - $timeInicial;

	        $diasTotal = $totalDias / (60 * 60 * 24);

	        return ceil( $diasTotal );

		}

	}

?>