Rename variables, add vertical merging of slots
This commit is contained in:
Vencislav Atanasov
parent
e18f6d1eb7
commit
a807406eb0
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@ -27,40 +27,40 @@ function parseData($config, $data) {
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return isset($slot['starts_at'], $slot['ends_at'], $slot['hall_id'], $slot['event_id']);
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});
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// Collect the events for each hall, sort them in order of starting
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$events = [];
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$microslots = [];
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// Collect the slots for each hall, sort them in order of starting
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$slots = [];
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$timestamps = [];
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foreach ($data['halls'] as $hall_id => $hall) {
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$events[$hall_id] = [];
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$slots[$hall_id] = [];
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foreach ($data['slots'] as $slot_id => $slot) {
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if ($slot['hall_id'] !== $hall_id) {
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continue;
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}
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if (!in_array($slot['starts_at'], $microslots)) {
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$microslots[] = $slot['starts_at'];
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if (!in_array($slot['starts_at'], $timestamps)) {
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$timestamps[] = $slot['starts_at'];
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}
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if (!in_array($slot['ends_at'], $microslots)) {
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$microslots[] = $slot['ends_at'];
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if (!in_array($slot['ends_at'], $timestamps)) {
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$timestamps[] = $slot['ends_at'];
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}
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$events[$hall_id][$slot['starts_at']] = $slot;
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$slots[$hall_id][$slot['starts_at']] = $slot;
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}
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ksort($events[$hall_id]);
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ksort($slots[$hall_id]);
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}
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sort($microslots);
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sort($timestamps);
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// Find all microslots (the smallest time unit)
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$intervals = [];
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$microslots = [];
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$lastTs = 0;
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$first = true;
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foreach ($microslots as $ts) {
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foreach ($timestamps as $ts) {
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if ($first) {
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$lastTs = $ts;
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$first = false;
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@ -72,24 +72,25 @@ function parseData($config, $data) {
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continue;
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}
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$intervals[] = [$lastTs, $ts];
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$microslots[] = [$lastTs, $ts];
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$lastTs = $ts;
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}
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// Fill in the event ID for each time slot in each hall
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$slot_list = [];
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$events = [];
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foreach ($data['halls'] as $hall_id => $hall) {
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$hall_data = [];
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foreach ($intervals as $timestamps) {
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foreach ($microslots as $timestamps) {
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$found = false;
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foreach ($data['slots'] as $slot_id => $slot) {
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if (
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$slot['hall_id'] === $hall_id &&
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$slot['starts_at'] <= $timestamps[0] &&
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$slot['ends_at'] >= $timestamps[1]
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$slot['ends_at'] >= $timestamps[1] &&
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array_key_exists($slot['event_id'], $data['events'])
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) {
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$found = true;
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$hall_data[] = [
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@ -105,12 +106,86 @@ function parseData($config, $data) {
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}
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}
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$slot_list[] = $hall_data;
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$events[] = $hall_data;
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}
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// Transpose the matrix
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// rows->halls, cols->timeslots ===> rows->timeslots, cols->halls
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$slot_list = array_map(null, ...$slot_list);
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$events = array_map(null, ...$events);
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// Filter empty slots
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$count = count($events);
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for ($i = 0; $i < $count; ++$i) {
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$hall_count = count($events[$i]);
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$hasEvents = false;
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for ($j = 0; $j < $hall_count; ++$j) {
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if (!is_null($events[$i][$j]) && $events[$i][$j]['edge']) {
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$hasEvents = true;
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continue 2;
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}
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}
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if (!$hasEvents) {
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unset($events[$i]);
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}
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}
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// Merge events longer than one slot
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$prevEventId = [];
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$prevEventSlot = [];
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$prevSlotIndex = 0;
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$first = true;
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foreach ($events as $slot_index => &$events_data) {
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if ($first) {
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$prevEventId = array_map(function($event_info) {
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return is_null($event_info) ? null : $event_info['event_id'];
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}, $events_data);
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$prevEventSlot = array_fill(0, count($events_data), null);
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$prevSlotIndex = $slot_index;
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$first = false;
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continue;
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}
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foreach ($events_data as $hall_index => &$event_info) {
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if (is_null($event_info)) {
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$prevEventId[$hall_index] = null;
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$prevEventSlot[$hall_index] = null;
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continue;
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}
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if ($event_info['event_id'] !== $prevEventId[$hall_index]) {
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$prevEventId[$hall_index] = $event_info['event_id'];
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$prevEventSlot[$hall_index] = null;
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continue;
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}
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// We have a long event
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if (is_null($prevEventSlot[$hall_index])) {
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$prevEventSlot[$hall_index] = $prevSlotIndex;
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}
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$master_slot = &$events[$prevEventSlot[$hall_index]][$hall_index];
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if (!array_key_exists('rowspan', $master_slot)) {
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$master_slot['rowspan'] = 2;
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}
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else {
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++$master_slot['rowspan'];
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}
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unset($master_slot);
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$event_info = false;
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}
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unset($event_info);
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$prevSlotIndex = $slot_index;
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}
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unset($events_data);
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// Build the HTML
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$schedule = '<table border="1"><thead><tr><th></th>';
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@ -122,29 +197,28 @@ function parseData($config, $data) {
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$schedule .= '</tr></thead><tbody>';
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$lastTs = 0;
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foreach ($slot_list as $slot_index => $events) {
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foreach ($events as $slot_index => $events_data) {
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$columns = [];
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$hasEvents = false;
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if (date('d.m', $intervals[$slot_index][0]) !== date('d.m', $lastTs)) {
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$schedule .= '<tr><th colspan="' . (count($events) + 1) . '">' . strftime('%d %B - %A', $intervals[$slot_index][0]) . '</th></tr>';
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if (date('d.m', $microslots[$slot_index][0]) !== date('d.m', $lastTs)) {
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$schedule .= '<tr><th colspan="' . (count($events_data) + 1) . '">' . strftime('%d %B - %A', $microslots[$slot_index][0]) . '</th></tr>';
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}
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$lastTs = $intervals[$slot_index][0];
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$lastTs = $microslots[$slot_index][0];
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$lastEventId = 0;
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$colspan = 1;
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foreach ($events as $hall_index => $hall_data) {
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if (is_null($hall_data['event_id']) || !array_key_exists($hall_data['event_id'], $data['events'])) {
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foreach ($events_data as $hall_index => $event_info) {
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if ($event_info === false) {
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continue;
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}
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if (is_null($event_info['event_id'])) {
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$columns[] = '<td> </td>';
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continue;
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}
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if ($hall_data['edge']) {
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$hasEvents = true;
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}
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$eid = &$hall_data['event_id'];
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$eid = &$event_info['event_id'];
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$event = &$data['events'][$eid];
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$title = mb_substr($event['title'], 0, $config['cut_len']) . (mb_strlen($event['title']) > $config['cut_len'] ? '...' : '');
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@ -190,16 +264,13 @@ function parseData($config, $data) {
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$colspan = 1;
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}
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$columns[] = '<td' . $style . ($colspan > 1 ? ' colspan="' . $colspan . '"' : '') . '>' . $content . '</td>';
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$rowspan = array_key_exists('rowspan', $event_info) ? (' rowspan="' . $event_info['rowspan'] . '"') : '';
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$columns[] = '<td' . $style . ($colspan > 1 ? ' colspan="' . $colspan . '"' : $rowspan) . '>' . $content . '</td>';
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$lastEventId = $eid;
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}
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if (!$hasEvents) {
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continue;
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}
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$schedule .= '<tr><td>';
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$schedule .= strftime('%H:%M', $intervals[$slot_index][0]) . ' - ' . strftime('%H:%M', $intervals[$slot_index][1]);
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$schedule .= strftime('%H:%M', $microslots[$slot_index][0]) . ' - ' . strftime('%H:%M', $microslots[$slot_index][1]);
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$schedule .= '</td>';
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$schedule .= implode('', $columns);
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$schedule .= '</tr>';
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