264 lines
7.5 KiB
PHP
264 lines
7.5 KiB
PHP
<?php
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/*****************************************************************************
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* GenericTable.php
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* Contains key class GenericTable.
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*
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* Kabuki CMS (C) 2013-2015, Aaron van Geffen
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*****************************************************************************/
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class GenericTable
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{
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private $header = [];
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private $body = [];
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private $pageIndex = null;
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private $currentPage = 1;
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private $title;
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private $title_class;
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private $tableIsSortable = false;
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public $form_above;
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public $form_below;
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public function __construct($options)
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{
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// Make sure we're actually sorting on something sortable.
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if (!isset($options['sort_order']) || (!empty($options['sort_order']) && empty($options['columns'][$options['sort_order']]['is_sortable'])))
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$options['sort_order'] = '';
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// Order in which direction?
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if (!empty($options['sort_direction']) && !in_array($options['sort_direction'], ['up', 'down']))
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$options['sort_direction'] = 'up';
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// Make sure we know whether we can actually sort on something.
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$this->tableIsSortable = !empty($options['base_url']);
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// How much data do we have?
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$this->recordCount = $options['get_count'](...(!empty($options['get_count_params']) ? $options['get_count_params'] : []));
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// How much data do we need to retrieve?
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$this->items_per_page = !empty($options['items_per_page']) ? $options['items_per_page'] : 30;
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// Figure out where to start.
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$this->start = empty($options['start']) || !is_numeric($options['start']) || $options['start'] < 0 || $options['start'] > $this->recordCount ? 0 : $options['start'];
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// Figure out where we are on the whole, too.
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$numPages = ceil($this->recordCount / $this->items_per_page);
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$this->currentPage = min(ceil($this->start / $this->items_per_page) + 1, $numPages);
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// Let's bear a few things in mind...
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$this->base_url = $options['base_url'];
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// Gather parameters for the data gather function first.
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$parameters = [$this->start, $this->items_per_page, $options['sort_order'], $options['sort_direction']];
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if (!empty($options['get_data_params']) && is_array($options['get_data_params']))
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$parameters = array_merge($parameters, $options['get_data_params']);
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// Okay, let's fetch the data!
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$data = $options['get_data'](...$parameters);
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// Extract data into local variables.
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$rawRowData = $data['rows'];
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$this->sort_order = $data['order'];
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$this->sort_direction = $data['direction'];
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unset($data);
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// Okay, now for the column headers...
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$this->generateColumnHeaders($options);
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// Should we create a page index?
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$needsPageIndex = !empty($this->items_per_page) && $this->recordCount > $this->items_per_page;
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if ($needsPageIndex)
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$this->generatePageIndex($options);
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// Process the data to be shown into rows.
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if (!empty($rawRowData))
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$this->processAllRows($rawRowData, $options);
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else
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$this->body = $options['no_items_label'] ?? '';
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// Got a title?
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$this->title = $options['title'] ?? '';
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$this->title_class = $options['title_class'] ?? '';
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// Maybe even a form or two?
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$this->form_above = $options['form_above'] ?? $options['form'] ?? null;
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$this->form_below = $options['form_below'] ?? $options['form'] ?? null;
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}
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private function generateColumnHeaders($options)
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{
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foreach ($options['columns'] as $key => $column)
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{
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if (empty($column['header']))
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continue;
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$isSortable = $this->tableIsSortable && !empty($column['is_sortable']);
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$sortDirection = $key == $this->sort_order && $this->sort_direction === 'up' ? 'down' : 'up';
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$header = [
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'class' => isset($column['class']) ? $column['class'] : '',
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'colspan' => !empty($column['header_colspan']) ? $column['header_colspan'] : 1,
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'href' => $isSortable ? $this->getLink($this->start, $key, $sortDirection) : null,
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'label' => $column['header'],
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'scope' => 'col',
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'sort_mode' => $key == $this->sort_order ? $this->sort_direction : null,
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'width' => !empty($column['header_width']) && is_int($column['header_width']) ? $column['header_width'] : null,
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];
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$this->header[] = $header;
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}
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}
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private function generatePageIndex($options)
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{
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$this->pageIndex = new PageIndex([
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'base_url' => $this->base_url,
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'index_class' => $options['index_class'] ?? '',
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'items_per_page' => $this->items_per_page,
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'linkBuilder' => [$this, 'getLink'],
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'recordCount' => $this->recordCount,
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'sort_direction' => $this->sort_direction,
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'sort_order' => $this->sort_order,
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'start' => $this->start,
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]);
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}
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public function getLink($start = null, $order = null, $dir = null)
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{
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if ($start === null)
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$start = $this->start;
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if ($order === null)
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$order = $this->sort_order;
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if ($dir === null)
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$dir = $this->sort_direction;
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return $this->base_url . (strpos($this->base_url, '?') ? '&' : '?') . 'start=' . $start . '&order=' . $order. '&dir=' . $dir;
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}
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public function getOffset()
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{
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return $this->start;
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}
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public function getHeader()
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{
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return $this->header;
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}
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public function getBody()
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{
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return $this->body;
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}
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public function getCurrentPage()
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{
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return $this->currentPage;
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}
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public function getPageIndex()
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{
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return $this->pageIndex;
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}
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public function getTitle()
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{
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return $this->title;
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}
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public function getTitleClass()
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{
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return $this->title_class;
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}
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private function processAllRows($rows, $options)
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{
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foreach ($rows as $i => $row)
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{
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$newRow = [
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'cells' => [],
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];
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foreach ($options['columns'] as $column)
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{
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// Process data for this particular cell.
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if (isset($column['parse']))
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$value = self::processCell($column['parse'], $row);
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else
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$value = $row[$column['value']];
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// Append the cell to the row.
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$newRow['cells'][] = [
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'value' => $value,
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];
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}
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// Append the new row in the body.
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$this->body[] = $newRow;
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}
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}
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private function processCell($options, $rowData)
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{
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if (!isset($options['type']))
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$options['type'] = 'value';
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// Parse the basic value first.
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switch ($options['type'])
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{
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// Basic option: simply take a use a particular data property.
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case 'value':
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$value = htmlspecialchars($rowData[$options['data']]);
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break;
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// Processing via a lambda function.
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case 'function':
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$value = $options['data']($rowData);
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break;
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// Using sprintf to fill out a particular pattern.
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case 'sprintf':
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$parameters = [$options['data']['pattern']];
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foreach ($options['data']['arguments'] as $identifier)
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$parameters[] = $rowData[$identifier];
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$value = sprintf(...$parameters);
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break;
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// Timestamps get custom treatment.
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case 'timestamp':
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if (empty($options['data']['pattern']) || $options['data']['pattern'] === 'long')
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$pattern = '%F %H:%M';
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elseif ($options['data']['pattern'] === 'short')
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$pattern = '%F';
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else
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$pattern = $options['data']['pattern'];
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if (!is_numeric($rowData[$options['data']['timestamp']]))
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$timestamp = strtotime($rowData[$options['data']['timestamp']]);
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else
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$timestamp = (int) $rowData[$options['data']['timestamp']];
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if (isset($options['data']['if_null']) && $timestamp == 0)
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$value = $options['data']['if_null'];
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else
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$value = strftime($pattern, $timestamp);
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break;
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}
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// Generate a link, if requested.
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if (!empty($options['link']))
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{
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// First, generate the replacement variables.
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$keys = array_keys($rowData);
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$values = array_values($rowData);
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foreach ($keys as $keyKey => $keyValue)
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$keys[$keyKey] = '{' . strtoupper($keyValue) . '}';
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$value = '<a href="' . str_replace($keys, $values, $options['link']) . '">' . $value . '</a>';
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}
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return $value;
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}
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}
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