calendar-array.php

$calendar = array(
        9 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(
                "start_date" => 9,
                "end_date" => 12,
                "event_name" => "Cool Event0"
            ),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        10 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(
                "start_date" => 13,
                "end_date" => 15,
                "event_name" => "Cool Event1"
            ),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        11 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        12 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        13 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        14 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),

        15=> array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        16 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
        17 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            6 => array(),
            7 => array()
        ),

        19 => array(
            0 => array(),
            1 => array(),
            2 => array(),
            3 => array(),
            4 => array(),
            5 => array(),
            6 => array(),
            7 => array(),
        ),
    );

calendar-oto.php

<?php
$monday = strtotime('Last Monday', strtotime($passed_date));
?>
<?php $i = 0; ?>
<div class="table-responsive">
    <table class="table">
        <tr>
            <?php foreach (range(0, 7) as $day): ?>
                <?php if ($day == 0): ?>
                    <th class="hours-column"></th>
                <?php else: ?>
                    <th class="days-column">
                        <?php
                        echo date('l', $monday);
                        echo " ";
                        echo date('d/m', $monday);
                        $monday = strtotime('tomorrow', $monday);
                        ?>
                    </th>
                <?php endif; ?>
            <?php endforeach ?>
        </tr>

        <?php
        //Set up the initial time - as per customer's request
        $hour_initial = "09:00";
        $hour_counter = 0;
        ?>

        <?php foreach ($calendar as $hour_key => $hour): ?>
            <tr>
                <?php foreach ($hour as $day_key => $day): ?>
                    <?php if ($day_key == 0): ?>
                        <td class="hours-cell-data">
                            <?php
                            $effectiveHour = strtotime("+" . $hour_counter . " hours", strtotime($hour_initial));
                            print date("H:i", $effectiveHour);
                            $hour_counter++;
                            ?>
                        </td>
                    <?php else: ?>

                        <?php if (!empty($day) && $day != "skip"): ?>
                            <?php
                            $duration = $day['end_date'] - $day['start_date'];

                            if ($duration > 1) {
                                for ($i = 1; $i < $duration; $i++) {
                                    $calendar[$day['start_date'] + $i][$day_key] = "skip";
                                }
                            }
                            ?>
                            <td class="has-event-true" rowspan="<?php print $duration; ?>">
                                <?php print $day['event_name']; ?>
                            </td>
                        <?php else: ?>
                            <?php if ($calendar[$hour_key][$day_key] == "skip") {
                                continue;
                            } else {
                                print '<td> No </td>';
                            }
                            ?>

                        <?php endif; ?>
                    <?php endif; ?>

                <?php endforeach; ?>
            </tr>
        <?php endforeach; ?>

    </table>
</div>