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231 lines
7.3 KiB
231 lines
7.3 KiB
2 years ago
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Xavier Noguer <xnoguer@php.net> |
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// | Based on OLE::Storage_Lite by Kawai, Takanori |
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// +----------------------------------------------------------------------+
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//
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// $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $
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/**
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* Class for creating PPS's for OLE containers
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*
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* @author Xavier Noguer <xnoguer@php.net>
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* @category PHPExcel
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* @package PHPExcel_Shared_OLE
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*/
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class PHPExcel_Shared_OLE_PPS
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{
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/**
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* The PPS index
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* @var integer
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*/
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public $No;
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/**
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* The PPS name (in Unicode)
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* @var string
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*/
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public $Name;
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/**
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* The PPS type. Dir, Root or File
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* @var integer
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*/
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public $Type;
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/**
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* The index of the previous PPS
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* @var integer
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*/
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public $PrevPps;
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/**
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* The index of the next PPS
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* @var integer
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*/
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public $NextPps;
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/**
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* The index of it's first child if this is a Dir or Root PPS
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* @var integer
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*/
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public $DirPps;
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/**
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* A timestamp
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* @var integer
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*/
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public $Time1st;
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/**
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* A timestamp
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* @var integer
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*/
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public $Time2nd;
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/**
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* Starting block (small or big) for this PPS's data inside the container
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* @var integer
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*/
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public $_StartBlock;
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/**
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* The size of the PPS's data (in bytes)
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* @var integer
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*/
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public $Size;
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/**
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* The PPS's data (only used if it's not using a temporary file)
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* @var string
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*/
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public $_data;
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/**
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* Array of child PPS's (only used by Root and Dir PPS's)
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* @var array
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*/
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public $children = array();
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/**
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* Pointer to OLE container
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* @var OLE
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*/
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public $ole;
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/**
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* The constructor
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*
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* @access public
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* @param integer $No The PPS index
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* @param string $name The PPS name
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* @param integer $type The PPS type. Dir, Root or File
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* @param integer $prev The index of the previous PPS
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* @param integer $next The index of the next PPS
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* @param integer $dir The index of it's first child if this is a Dir or Root PPS
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* @param integer $time_1st A timestamp
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* @param integer $time_2nd A timestamp
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* @param string $data The (usually binary) source data of the PPS
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* @param array $children Array containing children PPS for this PPS
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*/
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public function __construct($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children)
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{
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$this->No = $No;
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$this->Name = $name;
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$this->Type = $type;
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$this->PrevPps = $prev;
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$this->NextPps = $next;
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$this->DirPps = $dir;
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$this->Time1st = $time_1st;
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$this->Time2nd = $time_2nd;
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$this->_data = $data;
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$this->children = $children;
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if ($data != '') {
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$this->Size = strlen($data);
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} else {
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$this->Size = 0;
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}
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}
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/**
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* Returns the amount of data saved for this PPS
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*
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* @access public
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* @return integer The amount of data (in bytes)
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*/
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public function _DataLen()
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{
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if (!isset($this->_data)) {
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return 0;
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}
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//if (isset($this->_PPS_FILE)) {
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// fseek($this->_PPS_FILE, 0);
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// $stats = fstat($this->_PPS_FILE);
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// return $stats[7];
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//} else {
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return strlen($this->_data);
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//}
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}
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/**
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* Returns a string with the PPS's WK (What is a WK?)
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*
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* @access public
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* @return string The binary string
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*/
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public function _getPpsWk()
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{
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$ret = str_pad($this->Name, 64, "\x00");
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$ret .= pack("v", strlen($this->Name) + 2) // 66
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. pack("c", $this->Type) // 67
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. pack("c", 0x00) //UK // 68
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. pack("V", $this->PrevPps) //Prev // 72
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. pack("V", $this->NextPps) //Next // 76
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. pack("V", $this->DirPps) //Dir // 80
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. "\x00\x09\x02\x00" // 84
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. "\x00\x00\x00\x00" // 88
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. "\xc0\x00\x00\x00" // 92
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. "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root
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. "\x00\x00\x00\x00" // 100
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. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time1st) // 108
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. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time2nd) // 116
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. pack("V", isset($this->_StartBlock)?
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$this->_StartBlock:0) // 120
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. pack("V", $this->Size) // 124
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. pack("V", 0); // 128
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return $ret;
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}
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/**
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* Updates index and pointers to previous, next and children PPS's for this
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* PPS. I don't think it'll work with Dir PPS's.
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*
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* @access public
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* @param array &$raList Reference to the array of PPS's for the whole OLE
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* container
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* @return integer The index for this PPS
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*/
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public static function _savePpsSetPnt(&$raList, $to_save, $depth = 0)
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{
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if (!is_array($to_save) || (empty($to_save))) {
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return 0xFFFFFFFF;
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} elseif (count($to_save) == 1) {
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$cnt = count($raList);
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// If the first entry, it's the root... Don't clone it!
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$raList[$cnt] = ( $depth == 0 ) ? $to_save[0] : clone $to_save[0];
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$raList[$cnt]->No = $cnt;
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$raList[$cnt]->PrevPps = 0xFFFFFFFF;
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$raList[$cnt]->NextPps = 0xFFFFFFFF;
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$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
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} else {
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$iPos = floor(count($to_save) / 2);
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$aPrev = array_slice($to_save, 0, $iPos);
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$aNext = array_slice($to_save, $iPos + 1);
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$cnt = count($raList);
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// If the first entry, it's the root... Don't clone it!
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$raList[$cnt] = ( $depth == 0 ) ? $to_save[$iPos] : clone $to_save[$iPos];
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$raList[$cnt]->No = $cnt;
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$raList[$cnt]->PrevPps = self::_savePpsSetPnt($raList, $aPrev, $depth++);
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$raList[$cnt]->NextPps = self::_savePpsSetPnt($raList, $aNext, $depth++);
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$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
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}
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return $cnt;
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}
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}
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