<?php
/**
* Description: same as 1.php, but using the PEAR::Date engine
* Notice the use of the CALENDAR_ENGINE constant, which
* switches the calculation "engine"
* Note: make sure PEAR::Date is a stable release!!!
*/
function getmicrotime(){
    list($usec, $sec) = explode(" ",microtime());
    return ((float)$usec + (float)$sec);
}

// Switch to PEAR::Date engine
define('CALENDAR_ENGINE','PearDate');

if ( !@include 'Calendar/Calendar.php' ) {
    define('CALENDAR_ROOT','../../');
}

if (!isset($_GET['y'])) $_GET['y'] = 2003;
if (!isset($_GET['m'])) $_GET['m'] = 8;
if (!isset($_GET['d'])) $_GET['d'] = 9;
if (!isset($_GET['h'])) $_GET['h'] = 12;
if (!isset($_GET['i'])) $_GET['i'] = 34;
if (!isset($_GET['s'])) $_GET['s'] = 46;

switch ( @$_GET['view'] ) {
    default:
        $_GET['view'] = 'calendar_year';
    case 'calendar_year':
        require_once CALENDAR_ROOT.'Year.php';
        $c = new Calendar_Year($_GET['y']);
    break;
    case 'calendar_month':
        require_once CALENDAR_ROOT.'Month.php';
        $c = new Calendar_Month($_GET['y'],$_GET['m']);
    break;
    case 'calendar_day':
        require_once CALENDAR_ROOT.'Day.php';
        $c = new Calendar_Day($_GET['y'],$_GET['m'],$_GET['d']);
    break;
    case 'calendar_hour':
        require_once CALENDAR_ROOT.'Hour.php';
        $c = new Calendar_Hour($_GET['y'],$_GET['m'],$_GET['d'],$_GET['h']);
    break;
    case 'calendar_minute':
        require_once CALENDAR_ROOT.'Minute.php';
        $c = new Calendar_Minute($_GET['y'],$_GET['m'],$_GET['d'],$_GET['h'],$_GET['i']);
    break;
    case 'calendar_second':
        require_once CALENDAR_ROOT.'Second.php';
        $c = new Calendar_Second($_GET['y'],$_GET['m'],$_GET['d'],$_GET['h'],$_GET['i'],$_GET['s']);
    break;
}

// Convert timestamp to human readable date
$date = new Date($c->getTimestamp());

echo ( '<h1>Using PEAR::Date engine</h1>' );
echo ( 'Viewing: '.@$_GET['view'].'<br />' );
echo ( 'The time is now: '.$date->format('%Y %a %e %T').'<br >' );

$i = 1;
echo ( '<h1>First Iteration</h1>' );
echo ( '<p>The first iteration is more "expensive", the calendar data
        structures having to be built.</p>' );
$start = getmicrotime();
$c->build();
while ( $e = $c->fetch() ) {
    $class = strtolower(get_class($e));
    $link ="&y=".$e->thisYear()."&m=".$e->thisMonth()."&d=".$e->thisDay().
        "&h=".$e->thisHour()."&i=".$e->thisMinute()."&s=".$e->thisSecond();
    $method = 'this'.str_replace('calendar_','',$class);
    echo ( "<a href=\"".$_SERVER['PHP_SELF']."?view=".$class.$link."\">".$e->{$method}()."</a> : " );
    if ( ($i % 10) == 0 ) {
        echo ( '<br>' );
    }
    $i++;
}
echo ( '<p><b>Took: '.(getmicrotime()-$start).' seconds</b></p>' );

$i = 1;
echo ( '<h1>Second Iteration</h1>' );
echo ( '<p>This second iteration is faster, the data structures
        being re-used</p>' );
$start = getmicrotime();
while ( $e = $c->fetch() ) {
    $class = strtolower(get_class($e));
    $link ="&y=".$e->thisYear()."&m=".$e->thisMonth()."&d=".$e->thisDay().
        "&h=".$e->thisHour()."&i=".$e->thisMinute()."&s=".$e->thisSecond();
    $method = 'this'.str_replace('calendar_','',$class);
    echo ( "<a href=\"".$_SERVER['PHP_SELF']."?view=".$class.$link."\">".$e->{$method}()."</a> : " );
    if ( ($i % 10) == 0 ) {
        echo ( '<br>' );
    }
    $i++;
}
echo ( '<p><b>Took: '.(getmicrotime()-$start).' seconds</b></p>' );
?>
