248 lines
7.6 KiB
PHP
248 lines
7.6 KiB
PHP
<?php
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/**
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* Backup management tab for admin panel, AdminBackup.php
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* @category admin
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*
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* @author Andrew Brampton
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* @copyright Andrew Brampton
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* @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
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* @version 0.1
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*
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* @todo When exporting data, ExecuteS is used which returns a large array. I would prefer Db supported a way to retreive one row at a time
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* @todo Abstract some of the methods into the Db class, for example, listing table names, exporting schema
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* @todo Add a import backup option
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* @todo Make the filters work
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*/
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include_once(PS_ADMIN_DIR.'/../classes/AdminTab.php');
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class AdminBackup extends AdminTab
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{
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/** @var string The field we are sorting on */
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protected $_sortBy = 'date';
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public function __construct()
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{
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$this->table = 'backup';
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$this->className = 'Backup';
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parent::__construct();
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$this->edit = false;
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$this->delete = true;
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$this->view = true;
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$this->deleted = false;
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$this->fieldsDisplay = array (
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'date' => array('title' => $this->l('Date'), 'type' => 'datetime', 'width' => 120),
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'age' => array('title' => $this->l('Age')),
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'filename' => array('title' => $this->l('Filename'), 'width' => 200),
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'filesize' => array('title' => $this->l('File size')));
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$this->optionTitle = $this->l('Backup option');
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$this->_fieldsOptions = array('PS_BACKUP_ALL' => array('title' => $this->l('Backup all tables:'), 'desc' => $this->l('If you disable this option, only the necessary tables will be imported (connections and statistics will not be imported)'), 'cast' => 'intval', 'type' => 'bool'));
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$this->identifier = 'filename';
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}
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/**
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* Load class object using identifier in $_GET (if possible)
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* otherwise return an empty object
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* This method overrides the one in AdminTab because AdminTab assumes the id is a UnsignedInt
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*dir backups on admin dir must be writable (CHMOD 777)
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* @param boolean $opt Return an empty object if load fail
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* @return object
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*/
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protected function loadObject($opt = false)
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{
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if ($id = Tools::getValue($this->identifier))
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return new $this->className($id);
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return new $this->className();
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}
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/**
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* Creates a new backup, and then displays the normal menu
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*/
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public function displayForm($isMainTab = true)
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{
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if(is_writable(PS_ADMIN_DIR.'/backups/'))
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{
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$object = $this->loadObject();
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if ($object->add())
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{
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echo '<div class="conf confirm"><img src="../img/admin/ok.gif" /> '.$this->l('Back-up Creation successful').' !</div>';
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if ($this->tabAccess['view'] === '1')
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echo '<br />'.$this->l('You can now').' <b><a href="'.$object->getBackupURL().'">'.$this->l('download the back-up file').'</a></b>.';
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echo '<br />';
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}
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elseif ($object->error)
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$this->_errors[] = $object->error;
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}
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else
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$this->_errors[] = $this->l('dir backups on admin dir must be writable (CHMOD 777)');
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$this->displayErrors();
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}
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/**
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* Displays the page which allows the backup to be downloaded
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*/
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public function viewbackup()
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{
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global $currentIndex;
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$object = $this->loadObject();
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if ($object->id)
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{
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$url = $object->getBackupURL();
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echo '<div class="conf confirm"><img src="../img/admin/ok.gif" /> '.$this->l('Beginning download ...').'</div>';
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echo '<br />'.$this->l('Back-up file should automatically download.');
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echo '<br /><br />'.$this->l('If not,').' <b><a href="'.$url.'">'.$this->l('please click here!').'</a></b>';
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echo '<iframe width="0" height="0" scrolling="no" frameborder="0" src="'.$url.'"></iframe>';
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echo '<br /><br /><br /><a href="'.$currentIndex.'&token='.$this->token.'"><img src="../img/admin/arrow2.gif" /> '.$this->l('Back to list').'</a><br />';
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}
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elseif ($object->error)
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$this->_errors[] = $object->error;
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$this->displayErrors();
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}
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public function displayList()
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{
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global $currentIndex;
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// Test if the backup dir is writable
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if(!is_writable(PS_ADMIN_DIR.'/backups/'))
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$this->displayWarning($this->l('dir backups on admin dir must be writable (CHMOD 777)'));
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$this->displayErrors();
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echo '<br /><a href="'.$currentIndex.'&add'.$this->table.'&token='.$this->token.'"><img src="../img/admin/add.gif" border="0" /> '.$this->l('Create new back-up').'</a><br /><br />';
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parent::displayList();
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}
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public function getList($id_lang, $orderBy = NULL, $orderWay = NULL, $start = 0, $limit = NULL)
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{
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global $cookie;
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if (!Validate::isTableOrIdentifier($this->table))
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die('filter is corrupted');
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if (empty($orderBy))
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$orderBy = Tools::getValue($this->table.'Orderby', $this->_defaultOrderBy);
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if (empty($orderWay))
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$orderWay = Tools::getValue($this->table.'Orderway', 'ASC');
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// Try and obtain getList arguments from $_GET
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$orderBy = Tools::getValue($this->table.'Orderby');
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$orderWay = Tools::getValue($this->table.'Orderway');
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// Validate the orderBy and orderWay fields
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switch ($orderBy)
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{
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case 'filename':
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case 'filesize':
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case 'date':
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case 'age':
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break;
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default:
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$orderBy = 'date';
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}
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switch ($orderWay)
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{
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case 'asc':
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case 'desc':
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break;
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default:
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$orderWay = 'desc';
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}
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if (empty($limit))
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$limit = ((!isset($cookie->{$this->table.'_pagination'})) ? $this->_pagination[0] : $limit = $cookie->{$this->table.'_pagination'});
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$limit = intval(Tools::getValue('pagination', $limit));
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$cookie->{$this->table.'_pagination'} = $limit;
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/* Determine offset from current page */
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if (!empty($_POST['submitFilter'.$this->table]) AND is_numeric($_POST['submitFilter'.$this->table]))
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$start = intval($_POST['submitFilter'.$this->table] - 1) * $limit;
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$this->_lang = intval($id_lang);
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$this->_orderBy = $orderBy;
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$this->_orderWay = strtoupper($orderWay);
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$this->_list = array();
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// Find all the backups
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$dh = @opendir(PS_ADMIN_DIR.'/backups/');
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if ($dh === false)
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{
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$this->_errors[] = Tools::displayError('Unable to open backup directory "').addslashes(PS_ADMIN_DIR.'/backups/').'"';
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return;
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}
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while (($file = readdir($dh)) !== false)
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{
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if (preg_match('/^([\d]+-[a-z\d]+)\.sql(\.gz|\.bz2)?$/', $file, $matches) == 0)
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continue;
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$timestamp = intval($matches[1]);
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$date = date('Y-m-d h:i:s', $timestamp);
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$age = time() - $timestamp;
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if ($age < 3600)
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$age = '< 1 '.$this->l('hour');
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else if ($age < 86400)
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{
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$age = floor($age / 3600);
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$age = $age.' '.(($age == 1) ? $this->l('hour') : $this->l('hours'));
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}
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else
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{
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$age = floor($age / 86400);
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$age = $age.' '.(($age == 1) ? $this->l('day') : $this->l('days'));
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}
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$size = filesize(PS_ADMIN_DIR.'/backups/'.$file);
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$this->_list[] = array(
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'filename' => $file,
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'age' => $age,
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'date' => $date,
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'filesize' => number_format($size / 1000, 2).' Kb',
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'timestamp' => $timestamp,
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'filesize_sort' => $size,
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);
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}
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closedir($dh);
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$this->_listTotal = count($this->_list);
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// Sort the _list based on the order requirements
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switch ($this->_orderBy)
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{
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case 'filename':
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$this->_sortBy = 'filename';
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$sorter = 'str_sort';
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break;
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case 'filesize':
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$this->_sortBy = 'filesize_sort';
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$sorter = 'int_sort';
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break;
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case 'age':
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case 'date':
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$this->_sortBy = 'timestamp';
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$sorter = 'int_sort';
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break;
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}
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usort($this->_list, array($this, $sorter));
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$this->_list = array_slice($this->_list, $start, $limit);
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}
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public function int_sort($a, $b)
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{
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if ($this->_orderWay == 'ASC')
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return $a[$this->_sortBy] - $b[$this->_sortBy];
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else
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return $b[$this->_sortBy] - $a[$this->_sortBy];
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}
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public function str_sort($a, $b)
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{
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if ($this->_orderWay == 'ASC')
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return strcmp ($a[ $this->_sortBy], $b[$this->_sortBy]);
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else
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return strcmp ($b[ $this->_sortBy], $a[$this->_sortBy]);
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}
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}
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?>
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