_readFilter = new PHPExcel_Reader_DefaultReadFilter();
}
/**
* Can the current PHPExcel_Reader_IReader read the file?
*
* @param string $pFilename
* @return boolean
* @throws PHPExcel_Reader_Exception
*/
public function canRead($pFilename)
{
// Office xmlns:o="urn:schemas-microsoft-com:office:office"
// Excel xmlns:x="urn:schemas-microsoft-com:office:excel"
// XML Spreadsheet xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
// Spreadsheet component xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"
// XML schema xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882"
// XML data type xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"
// MS-persist recordset xmlns:rs="urn:schemas-microsoft-com:rowset"
// Rowset xmlns:z="#RowsetSchema"
//
$signature = array(
''
);
// Open file
$this->_openFile($pFilename);
$fileHandle = $this->_fileHandle;
// Read sample data (first 2 KB will do)
$data = fread($fileHandle, 2048);
fclose($fileHandle);
$valid = true;
foreach($signature as $match) {
// every part of the signature must be present
if (strpos($data, $match) === false) {
$valid = false;
break;
}
}
// Retrieve charset encoding
if(preg_match('//um',$data,$matches)) {
$this->_charSet = strtoupper($matches[1]);
}
// echo 'Character Set is ',$this->_charSet,'
';
return $valid;
}
/**
* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
*
* @param string $pFilename
* @throws PHPExcel_Reader_Exception
*/
public function listWorksheetNames($pFilename)
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
if (!$this->canRead($pFilename)) {
throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
}
$worksheetNames = array();
$xml = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
$namespaces = $xml->getNamespaces(true);
$xml_ss = $xml->children($namespaces['ss']);
foreach($xml_ss->Worksheet as $worksheet) {
$worksheet_ss = $worksheet->attributes($namespaces['ss']);
$worksheetNames[] = self::_convertStringEncoding((string) $worksheet_ss['Name'],$this->_charSet);
}
return $worksheetNames;
}
/**
* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
*
* @param string $pFilename
* @throws PHPExcel_Reader_Exception
*/
public function listWorksheetInfo($pFilename)
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
$worksheetInfo = array();
$xml = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
$namespaces = $xml->getNamespaces(true);
$worksheetID = 1;
$xml_ss = $xml->children($namespaces['ss']);
foreach($xml_ss->Worksheet as $worksheet) {
$worksheet_ss = $worksheet->attributes($namespaces['ss']);
$tmpInfo = array();
$tmpInfo['worksheetName'] = '';
$tmpInfo['lastColumnLetter'] = 'A';
$tmpInfo['lastColumnIndex'] = 0;
$tmpInfo['totalRows'] = 0;
$tmpInfo['totalColumns'] = 0;
if (isset($worksheet_ss['Name'])) {
$tmpInfo['worksheetName'] = (string) $worksheet_ss['Name'];
} else {
$tmpInfo['worksheetName'] = "Worksheet_{$worksheetID}";
}
if (isset($worksheet->Table->Row)) {
$rowIndex = 0;
foreach($worksheet->Table->Row as $rowData) {
$columnIndex = 0;
$rowHasData = false;
foreach($rowData->Cell as $cell) {
if (isset($cell->Data)) {
$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);
$rowHasData = true;
}
++$columnIndex;
}
++$rowIndex;
if ($rowHasData) {
$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);
}
}
}
$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
$worksheetInfo[] = $tmpInfo;
++$worksheetID;
}
return $worksheetInfo;
}
/**
* Loads PHPExcel from file
*
* @param string $pFilename
* @return PHPExcel
* @throws PHPExcel_Reader_Exception
*/
public function load($pFilename)
{
// Create new PHPExcel
$objPHPExcel = new PHPExcel();
$objPHPExcel->removeSheetByIndex(0);
// Load into this instance
return $this->loadIntoExisting($pFilename, $objPHPExcel);
}
protected static function identifyFixedStyleValue($styleList,&$styleAttributeValue) {
$styleAttributeValue = strtolower($styleAttributeValue);
foreach($styleList as $style) {
if ($styleAttributeValue == strtolower($style)) {
$styleAttributeValue = $style;
return true;
}
}
return false;
}
/**
* pixel units to excel width units(units of 1/256th of a character width)
* @param pxs
* @return
*/
protected static function _pixel2WidthUnits($pxs) {
$UNIT_OFFSET_MAP = array(0, 36, 73, 109, 146, 182, 219);
$widthUnits = 256 * ($pxs / 7);
$widthUnits += $UNIT_OFFSET_MAP[($pxs % 7)];
return $widthUnits;
}
/**
* excel width units(units of 1/256th of a character width) to pixel units
* @param widthUnits
* @return
*/
protected static function _widthUnits2Pixel($widthUnits) {
$pixels = ($widthUnits / 256) * 7;
$offsetWidthUnits = $widthUnits % 256;
$pixels += round($offsetWidthUnits / (256 / 7));
return $pixels;
}
protected static function _hex2str($hex) {
return chr(hexdec($hex[1]));
}
/**
* Loads PHPExcel from file into PHPExcel instance
*
* @param string $pFilename
* @param PHPExcel $objPHPExcel
* @return PHPExcel
* @throws PHPExcel_Reader_Exception
*/
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
{
$fromFormats = array('\-', '\ ');
$toFormats = array('-', ' ');
$underlineStyles = array (
PHPExcel_Style_Font::UNDERLINE_NONE,
PHPExcel_Style_Font::UNDERLINE_DOUBLE,
PHPExcel_Style_Font::UNDERLINE_DOUBLEACCOUNTING,
PHPExcel_Style_Font::UNDERLINE_SINGLE,
PHPExcel_Style_Font::UNDERLINE_SINGLEACCOUNTING
);
$verticalAlignmentStyles = array (
PHPExcel_Style_Alignment::VERTICAL_BOTTOM,
PHPExcel_Style_Alignment::VERTICAL_TOP,
PHPExcel_Style_Alignment::VERTICAL_CENTER,
PHPExcel_Style_Alignment::VERTICAL_JUSTIFY
);
$horizontalAlignmentStyles = array (
PHPExcel_Style_Alignment::HORIZONTAL_GENERAL,
PHPExcel_Style_Alignment::HORIZONTAL_LEFT,
PHPExcel_Style_Alignment::HORIZONTAL_RIGHT,
PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS,
PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY
);
$timezoneObj = new DateTimeZone('Europe/London');
$GMT = new DateTimeZone('UTC');
// Check if file exists
if (!file_exists($pFilename)) {
throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
if (!$this->canRead($pFilename)) {
throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
}
$xml = simplexml_load_string($this->securityScan(file_get_contents($pFilename)), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
$namespaces = $xml->getNamespaces(true);
$docProps = $objPHPExcel->getProperties();
if (isset($xml->DocumentProperties[0])) {
foreach($xml->DocumentProperties[0] as $propertyName => $propertyValue) {
switch ($propertyName) {
case 'Title' :
$docProps->setTitle(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Subject' :
$docProps->setSubject(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Author' :
$docProps->setCreator(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Created' :
$creationDate = strtotime($propertyValue);
$docProps->setCreated($creationDate);
break;
case 'LastAuthor' :
$docProps->setLastModifiedBy(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'LastSaved' :
$lastSaveDate = strtotime($propertyValue);
$docProps->setModified($lastSaveDate);
break;
case 'Company' :
$docProps->setCompany(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Category' :
$docProps->setCategory(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Manager' :
$docProps->setManager(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Keywords' :
$docProps->setKeywords(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
case 'Description' :
$docProps->setDescription(self::_convertStringEncoding($propertyValue,$this->_charSet));
break;
}
}
}
if (isset($xml->CustomDocumentProperties)) {
foreach($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {
$propertyAttributes = $propertyValue->attributes($namespaces['dt']);
$propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/','PHPExcel_Reader_Excel2003XML::_hex2str',$propertyName);
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_UNKNOWN;
switch((string) $propertyAttributes) {
case 'string' :
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
$propertyValue = trim($propertyValue);
break;
case 'boolean' :
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_BOOLEAN;
$propertyValue = (bool) $propertyValue;
break;
case 'integer' :
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_INTEGER;
$propertyValue = intval($propertyValue);
break;
case 'float' :
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_FLOAT;
$propertyValue = floatval($propertyValue);
break;
case 'dateTime.tz' :
$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_DATE;
$propertyValue = strtotime(trim($propertyValue));
break;
}
$docProps->setCustomProperty($propertyName,$propertyValue,$propertyType);
}
}
foreach($xml->Styles[0] as $style) {
$style_ss = $style->attributes($namespaces['ss']);
$styleID = (string) $style_ss['ID'];
// echo 'Style ID = '.$styleID.'
';
if ($styleID == 'Default') {
$this->_styles['Default'] = array();
} else {
$this->_styles[$styleID] = $this->_styles['Default'];
}
foreach ($style as $styleType => $styleData) {
$styleAttributes = $styleData->attributes($namespaces['ss']);
// echo $styleType.'
';
switch ($styleType) {
case 'Alignment' :
foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
// echo $styleAttributeKey.' = '.$styleAttributeValue.'
';
$styleAttributeValue = (string) $styleAttributeValue;
switch ($styleAttributeKey) {
case 'Vertical' :
if (self::identifyFixedStyleValue($verticalAlignmentStyles,$styleAttributeValue)) {
$this->_styles[$styleID]['alignment']['vertical'] = $styleAttributeValue;
}
break;
case 'Horizontal' :
if (self::identifyFixedStyleValue($horizontalAlignmentStyles,$styleAttributeValue)) {
$this->_styles[$styleID]['alignment']['horizontal'] = $styleAttributeValue;
}
break;
case 'WrapText' :
$this->_styles[$styleID]['alignment']['wrap'] = true;
break;
}
}
break;
case 'Borders' :
foreach($styleData->Border as $borderStyle) {
$borderAttributes = $borderStyle->attributes($namespaces['ss']);
$thisBorder = array();
foreach($borderAttributes as $borderStyleKey => $borderStyleValue) {
// echo $borderStyleKey.' = '.$borderStyleValue.'
';
switch ($borderStyleKey) {
case 'LineStyle' :
$thisBorder['style'] = PHPExcel_Style_Border::BORDER_MEDIUM;
// $thisBorder['style'] = $borderStyleValue;
break;
case 'Weight' :
// $thisBorder['style'] = $borderStyleValue;
break;
case 'Position' :
$borderPosition = strtolower($borderStyleValue);
break;
case 'Color' :
$borderColour = substr($borderStyleValue,1);
$thisBorder['color']['rgb'] = $borderColour;
break;
}
}
if (!empty($thisBorder)) {
if (($borderPosition == 'left') || ($borderPosition == 'right') || ($borderPosition == 'top') || ($borderPosition == 'bottom')) {
$this->_styles[$styleID]['borders'][$borderPosition] = $thisBorder;
}
}
}
break;
case 'Font' :
foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
// echo $styleAttributeKey.' = '.$styleAttributeValue.'
';
$styleAttributeValue = (string) $styleAttributeValue;
switch ($styleAttributeKey) {
case 'FontName' :
$this->_styles[$styleID]['font']['name'] = $styleAttributeValue;
break;
case 'Size' :
$this->_styles[$styleID]['font']['size'] = $styleAttributeValue;
break;
case 'Color' :
$this->_styles[$styleID]['font']['color']['rgb'] = substr($styleAttributeValue,1);
break;
case 'Bold' :
$this->_styles[$styleID]['font']['bold'] = true;
break;
case 'Italic' :
$this->_styles[$styleID]['font']['italic'] = true;
break;
case 'Underline' :
if (self::identifyFixedStyleValue($underlineStyles,$styleAttributeValue)) {
$this->_styles[$styleID]['font']['underline'] = $styleAttributeValue;
}
break;
}
}
break;
case 'Interior' :
foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
// echo $styleAttributeKey.' = '.$styleAttributeValue.'
';
switch ($styleAttributeKey) {
case 'Color' :
$this->_styles[$styleID]['fill']['color']['rgb'] = substr($styleAttributeValue,1);
break;
}
}
break;
case 'NumberFormat' :
foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
// echo $styleAttributeKey.' = '.$styleAttributeValue.'
';
$styleAttributeValue = str_replace($fromFormats,$toFormats,$styleAttributeValue);
switch ($styleAttributeValue) {
case 'Short Date' :
$styleAttributeValue = 'dd/mm/yyyy';
break;
}
if ($styleAttributeValue > '') {
$this->_styles[$styleID]['numberformat']['code'] = $styleAttributeValue;
}
}
break;
case 'Protection' :
foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
// echo $styleAttributeKey.' = '.$styleAttributeValue.'
';
}
break;
}
}
// print_r($this->_styles[$styleID]);
// echo '