474 lines
12 KiB
PHP
474 lines
12 KiB
PHP
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<?php
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// SimpleXLSX php class v0.4
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// MS Excel 2007 workbooks reader
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// Example:
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// $xlsx = new SimpleXLSX('book.xlsx');
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// print_r( $xlsx->rows() );
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// Example 2:
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// $xlsx = new SimpleXLSX('book.xlsx');
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// print_r( $xlsx->rowsEx() );
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// Example 3:
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// $xlsx = new SimpleXLSX('book.xlsx');
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// print_r( $xlsx->rows(2) ); // second worksheet
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//
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// 0.4 sheets(), sheetsCount(), unixstamp( $excelDateTime )
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// 0.3 - fixed empty cells (Gonzo patch)
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class SimpleXLSX {
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private $sheets;
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private $hyperlinks;
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private $package;
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private $sharedstrings;
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// scheme
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const SCHEMA_OFFICEDOCUMENT = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument';
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const SCHEMA_RELATIONSHIP = 'http://schemas.openxmlformats.org/package/2006/relationships';
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const SCHEMA_SHAREDSTRINGS = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings';
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const SCHEMA_WORKSHEETRELATION = 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet';
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public function __construct( $filename ) {
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$this->_unzip( $filename );
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$this->_parse();
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}
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public function sheets() {
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return $this->sheets;
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}
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public function sheetsCount() {
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return count($this->sheets);
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}
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public function worksheet( $worksheet_id ) {
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if ( isset( $this->sheets[ $worksheet_id ] ) ) {
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$ws = $this->sheets[ $worksheet_id ];
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if (isset($ws->hyperlinks)) {
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$this->hyperlinks = array();
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foreach( $ws->hyperlinks->hyperlink as $hyperlink ) {
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$this->hyperlinks[ (string) $hyperlink['ref'] ] = (string) $hyperlink['display'];
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}
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}
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return $ws;
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} else
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throw new Exception('Worksheet '.$worksheet_id.' not found.');
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}
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/**
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* Returns col and row number of a worksheet.
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*
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* @return array( $cols, $rows )
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*/
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public function dimension( $worksheet_id = 1 ) {
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$ws = $this->worksheet($worksheet_id);
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$ref = (string) $ws->dimension['ref'];
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$d = explode(':', $ref);
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$index = $this->_columnIndex( $d[1] );
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return array( $index[0]+1, $index[1]+1);
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}
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/**
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* Get file data.
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*
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* @param $worksheet_id: Worksheet's ID. 1-N
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*/
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public function rows( $worksheet_id = 1 ) {
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$ws = $this->worksheet( $worksheet_id);
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$rows = array();
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$curR = 0;
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$lastColumn = 0;
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foreach ($ws->sheetData->row as $r=>$row) {
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foreach ($row->c as $c) {
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list($curC,) = $this->_columnIndex((string) $c['r']);
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if ($curC > ($lastColumn+1)) {
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// An increment has been found
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for ($i=($lastColumn+1); $i<$curC; $i++) {
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$rows[ $curR ][ $i ] = null;
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}
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}
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$rows[ $curR ][ $curC ] = $this->value($c);
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$lastColumn = $curC;
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}
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$curR++;
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}
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return $rows;
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}
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/**
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* ?????
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*/
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public function rowsEx( $worksheet_id = 1 ) {
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$rows = array();
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$curR = 0;
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if (($ws = $this->worksheet( $worksheet_id)) === false)
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return false;
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foreach ($ws->sheetData->row as $row) {
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foreach ($row->c as $c) {
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list($curC,) = $this->_columnIndex((string) $c['r']);
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$rows[ $curR ][ $curC ] = array(
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'name' => (string) $c['r'],
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'value' => $this->value($c),
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'href' => $this->href( $c ),
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);
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}
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$curR++;
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}
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return $rows;
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}
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/**
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*
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* thx Gonzo
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*/
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protected function _columnIndex( $cell = 'A1' ) {
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if (preg_match("/([A-Z]+)(\d+)/", $cell, $matches)) {
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$col = $matches[1];
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$row = $matches[2];
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$colLen = strlen($col);
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$index = 0;
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for ($i = $colLen-1; $i >= 0; $i--)
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$index += (ord($col{$i}) - 64) * pow(26, $colLen-$i-1);
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return array($index-1, $row-1);
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} else
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throw new Exception("Invalid cell index.");
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}
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/**
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* Grabs the value of a cell.
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*/
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public function value( $cell ) {
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// Determine data type
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$dataType = (string)$cell["t"];
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switch ($dataType) {
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case "s":
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// Value is a shared string
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if ((string)$cell->v != '') {
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$value = $this->sharedstrings[intval($cell->v)];
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} else {
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$value = '';
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}
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break;
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case "b":
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// Value is boolean
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$value = (string)$cell->v;
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if ($value == '0') {
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$value = false;
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} else if ($value == '1') {
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$value = true;
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} else {
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$value = (bool)$cell->v;
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}
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break;
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case "inlineStr":
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// Value is rich text inline
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$value = $this->_parseRichText($cell->is);
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break;
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case "e":
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// Value is an error message
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if ((string)$cell->v != '') {
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$value = (string)$cell->v;
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} else {
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$value = '';
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}
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break;
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default:
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// Value is a string
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$value = (string)$cell->v;
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// Check for numeric values
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if (is_numeric($value) && $dataType != 's') {
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if ($value == (int)$value) $value = (int)$value;
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elseif ($value == (float)$value) $value = (float)$value;
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elseif ($value == (double)$value) $value = (double)$value;
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}
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}
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return $value;
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}
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/**
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*
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*/
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public function href( $cell ) {
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return isset( $this->hyperlinks[ (string) $cell['r'] ] ) ? $this->hyperlinks[ (string) $cell['r'] ] : '';
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}
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/**
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* Opens file, decompresses it and loads into memory.
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*
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*/
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protected function _unzip( $filename ) {
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// Clear current file
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$this->datasec = array();
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// Package information
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$this->package = array(
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'filename' => $filename,
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'mtime' => filemtime( $filename ),
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'size' => filesize( $filename ),
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'comment' => '',
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'entries' => array()
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);
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// Read file
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$oF = @fopen($filename, 'rb');
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if( $oF===false )
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{
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throw new Exception('Could not open file: "'.$filename.'"' );
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}
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$vZ = @fread($oF, $this->package['size']);
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fclose($oF);
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// Cut end of central directory
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$aE = explode("\x50\x4b\x05\x06", $vZ);
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// Normal way
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$aP = unpack('x16/v1CL', $aE[1]);
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$this->package['comment'] = substr($aE[1], 18, $aP['CL']);
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// Translates end of line from other operating systems
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$this->package['comment'] = strtr($this->package['comment'], array("\r\n" => "\n", "\r" => "\n"));
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// Cut the entries from the central directory
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$aE = explode("\x50\x4b\x01\x02", $vZ);
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// Explode to each part
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$aE = explode("\x50\x4b\x03\x04", $aE[0]);
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// Shift out spanning signature or empty entry
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array_shift($aE);
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// Loop through the entries
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foreach ($aE as $vZ) {
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$aI = array();
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$aI['E'] = 0;
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$aI['EM'] = '';
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// Retrieving local file header information
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// $aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL', $vZ);
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$aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL/v1EFL', $vZ);
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// Check if data is encrypted
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// $bE = ($aP['GPF'] && 0x0001) ? TRUE : FALSE;
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$bE = false;
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$nF = $aP['FNL'];
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$mF = $aP['EFL'];
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// Special case : value block after the compressed data
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if ($aP['GPF'] & 0x0008) {
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$aP1 = unpack('V1CRC/V1CS/V1UCS', substr($vZ, -12));
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$aP['CRC'] = $aP1['CRC'];
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$aP['CS'] = $aP1['CS'];
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$aP['UCS'] = $aP1['UCS'];
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$vZ = substr($vZ, 0, -12);
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}
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// Getting stored filename
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$aI['N'] = substr($vZ, 26, $nF);
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if (substr($aI['N'], -1) == '/') {
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// is a directory entry - will be skipped
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continue;
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}
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// Truncate full filename in path and filename
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$aI['P'] = dirname($aI['N']);
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$aI['P'] = $aI['P'] == '.' ? '' : $aI['P'];
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$aI['N'] = basename($aI['N']);
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$vZ = substr($vZ, 26 + $nF + $mF);
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if (strlen($vZ) != $aP['CS']) {
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$aI['E'] = 1;
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$aI['EM'] = 'Compressed size is not equal with the value in header information.';
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} else {
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if ($bE) {
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$aI['E'] = 5;
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$aI['EM'] = 'File is encrypted, which is not supported from this class.';
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} else {
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switch($aP['CM']) {
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case 0: // Stored
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// Here is nothing to do, the file ist flat.
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break;
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case 8: // Deflated
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$vZ = gzinflate($vZ);
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break;
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case 12: // BZIP2
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if (! extension_loaded('bz2')) {
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if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
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@dl('php_bz2.dll');
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} else {
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@dl('bz2.so');
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}
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}
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if (extension_loaded('bz2')) {
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$vZ = bzdecompress($vZ);
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} else {
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$aI['E'] = 7;
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$aI['EM'] = "PHP BZIP2 extension not available.";
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}
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break;
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default:
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$aI['E'] = 6;
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$aI['EM'] = "De-/Compression method {$aP['CM']} is not supported.";
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}
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if (! $aI['E']) {
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if ($vZ === FALSE) {
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$aI['E'] = 2;
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$aI['EM'] = 'Decompression of data failed.';
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} else {
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if (strlen($vZ) != $aP['UCS']) {
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$aI['E'] = 3;
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$aI['EM'] = 'Uncompressed size is not equal with the value in header information.';
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} else {
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if (crc32($vZ) != $aP['CRC']) {
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$aI['E'] = 4;
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$aI['EM'] = 'CRC32 checksum is not equal with the value in header information.';
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}
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}
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}
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}
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}
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}
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$aI['D'] = $vZ;
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// DOS to UNIX timestamp
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$aI['T'] = mktime(($aP['FT'] & 0xf800) >> 11,
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($aP['FT'] & 0x07e0) >> 5,
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($aP['FT'] & 0x001f) << 1,
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($aP['FD'] & 0x01e0) >> 5,
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($aP['FD'] & 0x001f),
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(($aP['FD'] & 0xfe00) >> 9) + 1980);
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//$this->Entries[] = &new SimpleUnzipEntry($aI);
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$this->package['entries'][] = array(
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'data' => $aI['D'],
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'error' => $aI['E'],
|
||
|
|
'error_msg' => $aI['EM'],
|
||
|
|
'name' => $aI['N'],
|
||
|
|
'path' => $aI['P'],
|
||
|
|
'time' => $aI['T']
|
||
|
|
);
|
||
|
|
|
||
|
|
} // end for each entries
|
||
|
|
}
|
||
|
|
public function getPackage() {
|
||
|
|
return $this->package;
|
||
|
|
}
|
||
|
|
public function getEntryData( $name ) {
|
||
|
|
$dir = dirname( $name );
|
||
|
|
$name = basename( $name );
|
||
|
|
foreach( $this->package['entries'] as $entry)
|
||
|
|
if ( $entry['path'] == $dir && $entry['name'] == $name)
|
||
|
|
return $entry['data'];
|
||
|
|
}
|
||
|
|
public function unixstamp( $excelDateTime ) {
|
||
|
|
$d = floor( $excelDateTime ); // seconds since 1900
|
||
|
|
$t = $excelDateTime - $d;
|
||
|
|
return ($d > 0) ? ( $d - 25569 ) * 86400 + $t * 86400 : $t * 86400;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected function _parse() {
|
||
|
|
// Document data holders
|
||
|
|
$this->sharedstrings = array();
|
||
|
|
$this->sheets = array();
|
||
|
|
|
||
|
|
// Read relations and search for officeDocument
|
||
|
|
$relations = simplexml_load_string( $this->getEntryData("_rels/.rels") );
|
||
|
|
foreach ($relations->Relationship as $rel) {
|
||
|
|
if ($rel["Type"] == SimpleXLSX::SCHEMA_OFFICEDOCUMENT) {
|
||
|
|
// Found office document! Read relations for workbook...
|
||
|
|
$workbookRelations = simplexml_load_string($this->getEntryData( dirname($rel["Target"]) . "/_rels/" . basename($rel["Target"]) . ".rels") );
|
||
|
|
$workbookRelations->registerXPathNamespace("rel", SimpleXLSX::SCHEMA_RELATIONSHIP);
|
||
|
|
|
||
|
|
// Read shared strings
|
||
|
|
$sharedStringsPath = $workbookRelations->xpath("rel:Relationship[@Type='" . SimpleXLSX::SCHEMA_SHAREDSTRINGS . "']");
|
||
|
|
$sharedStringsPath = (string)$sharedStringsPath[0]['Target'];
|
||
|
|
$xmlStrings = simplexml_load_string($this->getEntryData( dirname($rel["Target"]) . "/" . $sharedStringsPath) );
|
||
|
|
if (isset($xmlStrings) && isset($xmlStrings->si)) {
|
||
|
|
foreach ($xmlStrings->si as $val) {
|
||
|
|
if (isset($val->t)) {
|
||
|
|
$this->sharedstrings[] = (string)$val->t;
|
||
|
|
} elseif (isset($val->r)) {
|
||
|
|
$this->sharedstrings[] = $this->_parseRichText($val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Loop relations for workbook and extract sheets...
|
||
|
|
foreach ($workbookRelations->Relationship as $workbookRelation) {
|
||
|
|
if ($workbookRelation["Type"] == SimpleXLSX::SCHEMA_WORKSHEETRELATION) {
|
||
|
|
$this->sheets[ str_replace( 'rId', '', (string) $workbookRelation["Id"]) ] =
|
||
|
|
simplexml_load_string( $this->getEntryData( dirname($rel["Target"]) . "/" . dirname($workbookRelation["Target"]) . "/" . basename($workbookRelation["Target"])) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sort sheets
|
||
|
|
ksort($this->sheets);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
protected function _parseRichText($is = null) {
|
||
|
|
$value = array();
|
||
|
|
|
||
|
|
if (isset($is->t)) {
|
||
|
|
$value[] = (string)$is->t;
|
||
|
|
} else {
|
||
|
|
foreach ($is->r as $run) {
|
||
|
|
$value[] = (string)$run->t;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return implode(' ', $value);
|
||
|
|
}
|
||
|
|
}
|