<th scope="row" class="interval_th">
<label for="interval_type"><?php
_e('Interval', 'wc_followup_emails');
?>
</label>
</th>
<td class="interval_td">
<span class="hide-if-date interval_span hideable">
<input type="text" name="interval" id="interval" value="<?php
echo esc_attr($defaults['interval']);
?>
" size="2" />
</span>
<select name="interval_duration" id="interval_duration" class="interval_duration hideable">
<?php
$durations = SFN_FollowUpEmails::get_durations();
foreach ($durations as $key => $value) {
$selected = $defaults['interval_duration'] == $key ? 'selected' : '';
?>
<option class="interval_duration_<?php
echo $key;
?>
hideable" value="<?php
echo esc_attr($key);
?>
" <?php
echo $selected;
?>
><?php
echo $value;
?>
