Cloudlog/application/views/kml/index.php

<div class="container">
<br>
    <h2><?php echo $page_title; ?></h2>

    <div class="card">
        <div class="card-header">
            Export your logbook to a KML file for use in Google Earth.
        </div>

        <div class="alert alert-warning" role="alert">
            Only QSOs with a gridsquare defined will be exported!
        </div>

        <div class="card-body">

            <form class="form" action="<?php echo site_url('kml/export'); ?>" method="post" enctype="multipart/form-data">

                <div class="form-group">
                    <label for="band">Band</label>
                        <select id="band" name="band" class="custom-select">
                            <option value="All" <?php if ($this->input->post('band') == "All" || $this->input->method() !== 'post') echo ' selected'; ?> >Every band</option>
                            <?php foreach($worked_bands as $band) {
                                echo '<option value="' . $band . '"';
                                if ($this->input->post('band') == $band) echo ' selected';
                                echo '>' . $band . '</option>'."\n";
                            } ?>
                        </select>
                </div>

                <div class="form-group">
                    <label for="dxcc_id">DXCC</label>
                    <select class="custom-select" id="dxcc_id" name="dxcc_id">
                        <option value="All">All</option>
                        <?php
                        foreach($dxcc as $d){
                            echo '<option value=' . $d->adif . '>' . $d->prefix . ' - ' . ucwords(strtolower(($d->name))) . '</option>';
                        }
                        ?>

                    </select>
                </div>

                <div class="form-group">
                <label for="mode">Mode</label>
                    <select id="mode" name="mode" class="form-control custom-select">
                        <option value="All">All</option>
                        <?php
                        foreach($modes->result() as $mode){
                            if ($mode->submode == null) {
                                echo '<option value="' . $mode->mode . '">'. $mode->mode . '</option>'."\n";
                            } else {
                                echo '<option value="' . $mode->submode . '">' . $mode->submode . '</option>'."\n";
                            }
                        }
                        ?>
                    </select>
                </div>

                <div class="form-group">
                    <label for="cqz">CQ Zone</label>
                    <select class="custom-select" id="cqz" name="cqz">
                        <option value="All">All</option>
                        <?php
                        for ($i = 1; $i<=40; $i++) {
                            echo '<option value="'. $i . '">'. $i .'</option>';
                        }
                        ?>
                    </select>
                </div>

                <div class="form-group">
                    <label for="selectPropagation">Propagation Mode</label>
                    <select class="custom-select" id="selectPropagation" name="prop_mode">
                        <option value="All">All</option>
                        <option value="AS">Aircraft Scatter</option>
                        <option value="AUR">Aurora</option>
                        <option value="AUE">Aurora-E</option>
                        <option value="BS">Back scatter</option>
                        <option value="ECH">EchoLink</option>
                        <option value="EME">Earth-Moon-Earth</option>
                        <option value="ES">Sporadic E</option>
                        <option value="FAI">Field Aligned Irregularities</option>
                        <option value="F2">F2 Reflection</option>
                        <option value="INTERNET">Internet-assisted</option>
                        <option value="ION">Ionoscatter</option>
                        <option value="IRL">IRLP</option>
                        <option value="MS">Meteor scatter</option>
                        <option value="RPT">Terrestrial or atmospheric repeater or transponder</option>
                        <option value="RS">Rain scatter</option>
                        <option value="SAT">Satellite</option>
                        <option value="TEP">Trans-equatorial</option>
                        <option value="TR">Tropospheric ducting</option>
                    </select>
                </div>

                <p class="card-text">From date:</p>
                <div class="row">
                    <div class="input-group date col-md-3" id="datetimepicker1" data-target-input="nearest">
                        <input name="fromdate" type="text" placeholder="DD/MM/YYYY" class="form-control datetimepicker-input" data-target="#datetimepicker1"/>
                        <div class="input-group-append"  data-target="#datetimepicker1" data-toggle="datetimepicker">
                            <div class="input-group-text"><i class="fa fa-calendar"></i></div>
                        </div>
                    </div>
                </div>

                <p class="card-text">To date:</p>
                <div class="row">
                    <div class="input-group date col-md-3" id="datetimepicker2" data-target-input="nearest">
                        <input name="todate" "totype="text" placeholder="DD/MM/YYYY" class="form-control datetimepicker-input" data-target="#datetimepicker2"/>
                        <div class="input-group-append" data-target="#datetimepicker2" data-toggle="datetimepicker">
                            <div class="input-group-text"><i class="fa fa-calendar"></i></div>
                        </div>
                    </div>
                </div>
                <br>
                <button type="submit" class="btn btn-primary mb-2" value="Export">Export</button>
            </form>
        </div>
    </div>
</div>