Pamoku laikas

<style>
.time ul li{
    padding:4px;
    float:left;
    white-space:nowrap;
    clear:both;
}
.time ul li.current{
    background:#303030;
    color:#fff;
}
</style>

<?php

//Sita funkcija naudosim tikrinimui, ar dabar savaitgalis
function isWeekend($date)
{
    return (date('N', strtotime($date)) >= 6);
}

//Nustatom visu pamoku laikus
$lessons = array(
  1 => array(
    'start' => '8.00',
    'end' => '8.45',
  ),
  2 => array(
    'start' => '8.55',
    'end' => '9.40',
  ),
  3 => array(
    'start' => '9.55',
    'end' => '10.40',
  ),
  4 => array(
    'start' => '10.50',
    'end' => '11.35',
  ),
  5 => array(
    'start' => '11.55',
    'end' => '12.40',
  ),
  6 => array(
    'start' => '13.00',
    'end' => '13.45',
  ),
  7 => array(
    'start' => '13.55',
    'end' => '14.40',
  ),
  8 => array(
    'start' => '14.50',
    'end' => '15.35',
  ),
);

$time = strtotime(date('H.i'));  //Paverciam valandas ir minutes i timestamp, kad galetumem lyginti laikus

//$time = strtotime("9.24");  //Sita atkomentuok, jeigu nori pratestuoti tam tikra laika

echo "<div class='time'><ul>";

for ($i = 1; $i <= count($lessons); ++$i) {  //Pradedam cikla, imam kiekvienos pamokos informacija

  $start = $lessons[$i]['start']; //pamokos pradzia
  $end = $lessons[$i]['end'];   //pamokos pabaiga

  //rodom pamokos informacija. Jeigu dabartinis laikas yra pamokos laiku intervale (tikrinimui naudojam short if), <li> class nustatom i current, kitaip paliekam tuscia klase
  echo "<li class='".($time >= strtotime($start) && $time <= strtotime($end) && !isWeekend($time) ? 'current' : '')."'>$i. <strong>$start - $end</strong></li>\r\n";
}

echo '</ul></div>';