Refactoring of canRead function in Readers, and minor fixes to Examples and documentation updates

Classes/PHPExcel/Reader/Abstract.php

@@ -67,6 +67,8 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 	 */
 	protected $_readFilter = NULL;
 
+	protected $_fileHandle = NULL;
+
 
 	/**
 	 * Read data only?
@@ -79,7 +81,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this->_readDataOnly;
 	}
 
-
 	/**
 	 * Set read data only
 	 *		Set to true, to advise the Reader only to read data values for cells, and to ignore any formatting information.
@@ -94,7 +95,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this;
 	}
 
-
 	/**
 	 * Read charts in workbook?
 	 *		If this is true, then the Reader will include any charts that exist in the workbook.
@@ -107,7 +107,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this->_includeCharts;
 	}
 
-
 	/**
 	 * Set read charts in workbook
 	 *		Set to true, to advise the Reader to include any charts that exist in the workbook.
@@ -123,7 +122,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this;
 	}
 
-
 	/**
 	 * Get which sheets to load
 	 * Returns either an array of worksheet names (the list of worksheets that should be loaded), or a null
@@ -136,7 +134,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this->_loadSheetsOnly;
 	}
 
-
 	/**
 	 * Set which sheets to load
 	 *
@@ -153,7 +150,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this;
 	}
 
-
 	/**
 	 * Set all sheets to load
 	 *		Tells the Reader to load all worksheets from the workbook.
@@ -166,7 +162,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this;
 	}
 
-
 	/**
 	 * Read filter
 	 *
@@ -176,7 +171,6 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this->_readFilter;
 	}
 
-
 	/**
 	 * Set read filter
 	 *
@@ -188,5 +182,46 @@ abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
 		return $this;
 	}
 
+	/**
+	 * Open file for reading
+	 *
+	 * @param string $pFilename
+	 * @throws	PHPExcel_Reader_Exception
+	 * @return resource
+	 */
+	protected function _openFile($pFilename)
+	{
+		// Check if file exists
+		if (!file_exists($pFilename) || !is_readable($pFilename)) {
+			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		}
+
+		// Open file
+		$this->_fileHandle = fopen($pFilename, 'r');
+		if ($this->_fileHandle === FALSE) {
+			throw new PHPExcel_Reader_Exception("Could not open file " . $pFilename . " for reading.");
+		}
+	}
+
+	/**
+	 * Can the current PHPExcel_Reader_IReader read the file?
+	 *
+	 * @param 	string 		$pFilename
+	 * @return boolean
+	 * @throws PHPExcel_Reader_Exception
+	 */
+	public function canRead($pFilename)
+	{
+		// Check if file exists
+		try {
+			$this->_openFile($pFilename);
+		} catch (Exception $e) {
+			return FALSE;
+		}
+
+		$readable = $this->_isValidFormat();
+		fclose ($this->_fileHandle);
+		return $readable;
+	}
 
 }

Classes/PHPExcel/Reader/CSV.php

@@ -92,112 +92,104 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 	 */
 	private $_contiguous	= false;
 
-
 	/**
 	 * Row counter for loading rows contiguously
 	 *
-	 * @access	private
 	 * @var	int
 	 */
 	private $_contiguousRow	= -1;
 
+
 	/**
 	 * Create a new PHPExcel_Reader_CSV
 	 */
 	public function __construct() {
 		$this->_readFilter		= new PHPExcel_Reader_DefaultReadFilter();
-	}	//	function __construct()
+	}
-
 
 	/**
-	 * Can the current PHPExcel_Reader_IReader read the file?
+	 * Validate that the current file is a CSV file
 	 *
-	 * @access	public
-	 * @param 	string 		$pFilename
 	 * @return boolean
-	 * @throws PHPExcel_Reader_Exception
 	 */
-	public function canRead($pFilename)
+	protected function _isValidFormat()
 	{
-		// Check if file exists
+		return TRUE;
-		if (!file_exists($pFilename)) {
+	}
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
-		}
-
-		return true;
-	}	//	function canRead()
-
 
 	/**
 	 * Set input encoding
 	 *
-	 * @access	public
 	 * @param string $pValue Input encoding
 	 */
 	public function setInputEncoding($pValue = 'UTF-8')
 	{
 		$this->_inputEncoding = $pValue;
 		return $this;
-	}	//	function setInputEncoding()
+	}
-
 
 	/**
 	 * Get input encoding
 	 *
-	 * @access	public
 	 * @return string
 	 */
 	public function getInputEncoding()
 	{
 		return $this->_inputEncoding;
-	}	//	function getInputEncoding()
+	}
 
+	/**
+	 * Move filepointer past any BOM marker
+	 *
+	 */
+	protected function _skipBOM()
+	{
+		rewind($fileHandle);
+
+		switch ($this->_inputEncoding) {
+			case 'UTF-8':
+				fgets($this->_fileHandle, 4) == "\xEF\xBB\xBF" ?
+				fseek($this->_fileHandle, 3) : fseek($this->_fileHandle, 0);
+				break;
+			case 'UTF-16LE':
+				fgets($this->_fileHandle, 3) == "\xFF\xFE" ?
+				fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
+				break;
+			case 'UTF-16BE':
+				fgets($this->_fileHandle, 3) == "\xFE\xFF" ?
+				fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
+				break;
+			case 'UTF-32LE':
+				fgets($this->_fileHandle, 5) == "\xFF\xFE\x00\x00" ?
+				fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
+				break;
+			case 'UTF-32BE':
+				fgets($this->_fileHandle, 5) == "\x00\x00\xFE\xFF" ?
+				fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
+				break;
+			default:
+				break;
+		}
+	}
 
 	/**
 	 * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
 	 *
-	 * @access	public
 	 * @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.");
-		}
-
 		// Open file
-		$fileHandle = fopen($pFilename, 'r');
+		$this->_openFile($pFilename);
-		if ($fileHandle === false) {
+		if (!$this->_isValidFormat()) {
-			throw new PHPExcel_Reader_Exception("Could not open file " . $pFilename . " for reading.");
+			fclose ($this->_fileHandle);
+			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
 		}
-
+		$fileHandle = $this->_fileHandle;
+		
 		// Skip BOM, if any
-		switch ($this->_inputEncoding) {
+		$this->_skipBOM();
-			case 'UTF-8':
-				fgets($fileHandle, 4) == "\xEF\xBB\xBF" ?
-				fseek($fileHandle, 3) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-16LE':
-				fgets($fileHandle, 3) == "\xFF\xFE" ?
-				fseek($fileHandle, 2) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-16BE':
-				fgets($fileHandle, 3) == "\xFE\xFF" ?
-				fseek($fileHandle, 2) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-32LE':
-				fgets($fileHandle, 5) == "\xFF\xFE\x00\x00" ?
-				fseek($fileHandle, 4) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-32BE':
-				fgets($fileHandle, 5) == "\x00\x00\xFE\xFF" ?
-				fseek($fileHandle, 4) : fseek($fileHandle, 0);
-				break;
-			default:
-				break;
-		}
 
 		$escapeEnclosures = array( "\\" . $this->_enclosure, $this->_enclosure . $this->_enclosure );
 
@@ -223,11 +215,9 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 		return $worksheetInfo;
 	}
 
-
 	/**
 	 * Loads PHPExcel from file
 	 *
-	 * @access	public
 	 * @param 	string 		$pFilename
 	 * @return PHPExcel
 	 * @throws PHPExcel_Reader_Exception
@@ -239,13 +229,11 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 
 		// Load into this instance
 		return $this->loadIntoExisting($pFilename, $objPHPExcel);
-	}	//	function load()
+	}
-
 
 	/**
 	 * Loads PHPExcel from file into PHPExcel instance
 	 *
-	 * @access	public
 	 * @param 	string 		$pFilename
 	 * @param	PHPExcel	$objPHPExcel
 	 * @return 	PHPExcel
@@ -253,51 +241,25 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 	 */
 	public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
 	{
-		// Check if file exists
-		if (!file_exists($pFilename)) {
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
-		}
-
-		// Create new PHPExcel
-		while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
-			$objPHPExcel->createSheet();
-		}
-		$sheet = $objPHPExcel->setActiveSheetIndex( $this->_sheetIndex );
-
 		$lineEnding = ini_get('auto_detect_line_endings');
 		ini_set('auto_detect_line_endings', true);
 
 		// Open file
-		$fileHandle = fopen($pFilename, 'r');
+		$this->_openFile($pFilename);
-		if ($fileHandle === false) {
+		if (!$this->_isValidFormat()) {
-			throw new PHPExcel_Reader_Exception("Could not open file $pFilename for reading.");
+			fclose ($this->_fileHandle);
+			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
 		}
+		$fileHandle = $this->_fileHandle;
 
 		// Skip BOM, if any
-		switch ($this->_inputEncoding) {
+		$this->_skipBOM();
-			case 'UTF-8':
+
-				fgets($fileHandle, 4) == "\xEF\xBB\xBF" ?
+		// Create new PHPExcel object
-					fseek($fileHandle, 3) : fseek($fileHandle, 0);
+		while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
-				break;
+			$objPHPExcel->createSheet();
-			case 'UTF-16LE':
-				fgets($fileHandle, 3) == "\xFF\xFE" ?
-					fseek($fileHandle, 2) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-16BE':
-				fgets($fileHandle, 3) == "\xFE\xFF" ?
-					fseek($fileHandle, 2) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-32LE':
-				fgets($fileHandle, 5) == "\xFF\xFE\x00\x00" ?
-					fseek($fileHandle, 4) : fseek($fileHandle, 0);
-				break;
-			case 'UTF-32BE':
-				fgets($fileHandle, 5) == "\x00\x00\xFE\xFF" ?
-					fseek($fileHandle, 4) : fseek($fileHandle, 0);
-				break;
-			default:
-				break;
 		}
+		$sheet = $objPHPExcel->setActiveSheetIndex($this->_sheetIndex);
 
 		$escapeEnclosures = array( "\\" . $this->_enclosure,
 								   $this->_enclosure . $this->_enclosure
@@ -341,48 +303,40 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 
 		// Return
 		return $objPHPExcel;
-	}	//	function loadIntoExisting()
+	}
-
 
 	/**
 	 * Get delimiter
 	 *
-	 * @access	public
 	 * @return string
 	 */
 	public function getDelimiter() {
 		return $this->_delimiter;
-	}	//	function getDelimiter()
+	}
-
 
 	/**
 	 * Set delimiter
 	 *
-	 * @access	public
 	 * @param	string	$pValue		Delimiter, defaults to ,
 	 * @return	PHPExcel_Reader_CSV
 	 */
 	public function setDelimiter($pValue = ',') {
 		$this->_delimiter = $pValue;
 		return $this;
-	}	//	function setDelimiter()
+	}
-
 
 	/**
 	 * Get enclosure
 	 *
-	 * @access	public
 	 * @return string
 	 */
 	public function getEnclosure() {
 		return $this->_enclosure;
-	}	//	function getEnclosure()
+	}
-
 
 	/**
 	 * Set enclosure
 	 *
-	 * @access	public
 	 * @param	string	$pValue		Enclosure, defaults to "
 	 * @return PHPExcel_Reader_CSV
 	 */
@@ -392,82 +346,70 @@ class PHPExcel_Reader_CSV extends PHPExcel_Reader_Abstract implements PHPExcel_R
 		}
 		$this->_enclosure = $pValue;
 		return $this;
-	}	//	function setEnclosure()
+	}
-
 
 	/**
 	 * Get line ending
 	 *
-	 * @access	public
 	 * @return string
 	 */
 	public function getLineEnding() {
 		return $this->_lineEnding;
-	}	//	function getLineEnding()
+	}
-
 
 	/**
 	 * Set line ending
 	 *
-	 * @access	public
 	 * @param	string	$pValue		Line ending, defaults to OS line ending (PHP_EOL)
 	 * @return PHPExcel_Reader_CSV
 	 */
 	public function setLineEnding($pValue = PHP_EOL) {
 		$this->_lineEnding = $pValue;
 		return $this;
-	}	//	function setLineEnding()
+	}
-
 
 	/**
 	 * Get sheet index
 	 *
-	 * @access	public
+	 * @return integer
-	 * @return int
 	 */
 	public function getSheetIndex() {
 		return $this->_sheetIndex;
-	}	//	function getSheetIndex()
+	}
-
 
 	/**
 	 * Set sheet index
 	 *
-	 * @access	public
 	 * @param	integer		$pValue		Sheet index
 	 * @return PHPExcel_Reader_CSV
 	 */
 	public function setSheetIndex($pValue = 0) {
 		$this->_sheetIndex = $pValue;
 		return $this;
-	}	//	function setSheetIndex()
+	}
-
 
 	/**
 	 * Set Contiguous
 	 *
-	 * @access	public
 	 * @param boolean $contiguous
 	 */
 	public function setContiguous($contiguous = FALSE)
 	{
 		$this->_contiguous = (bool) $contiguous;
 		if (!$contiguous) {
-			$this->_contiguousRow	= -1;
+			$this->_contiguousRow = -1;
 		}
 
 		return $this;
-	}	//	function setInputEncoding()
+	}
-
 
 	/**
 	 * Get Contiguous
 	 *
-	 * @access	public
 	 * @return boolean
 	 */
 	public function getContiguous() {
 		return $this->_contiguous;
-	}	//	function getSheetIndex()
+	}
 
 }

Classes/PHPExcel/Reader/Excel2003XML.php

@@ -92,15 +92,13 @@ class PHPExcel_Reader_Excel2003XML extends PHPExcel_Reader_Abstract implements P
 				'<?mso-application progid="Excel.Sheet"?>'
 			);
 
-		// Check if file exists
+		// Open file
-		if (!file_exists($pFilename)) {
+		$this->_openFile($pFilename);
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		$fileHandle = $this->_fileHandle;
-		}
+		
-
 		// Read sample data (first 2 KB will do)
-		$fh = fopen($pFilename, 'r');
+		$data = fread($fileHandle, 2048);
-		$data = fread($fh, 2048);
+		fclose($fileHandle);
-		fclose($fh);
 
 		$valid = true;
 		foreach($signature as $match) {

Classes/PHPExcel/Reader/HTML.php

@@ -109,24 +109,14 @@ class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_
 	}
 
 	/**
-	 *	Can the current PHPExcel_Reader_IReader read the file?
+	 * Validate that the current file is an HTML file
 	 *
-	 *	@param 	string 		$pFilename
+	 * @return boolean
-	 *	@return 	boolean
-	 *	@throws PHPExcel_Reader_Exception
 	 */
-	public function canRead($pFilename)
+	protected function _isValidFormat()
 	{
-		// Check if file exists
+		//	Reading 2048 bytes should be enough to validate that the format is HTML
-		if (!file_exists($pFilename)) {
+		$data = fread($this->_fileHandle, 2048);
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
-		}
-
-		// Read sample data (first 2 KB will do)
-		$fh = fopen($pFilename, 'r');
-		$data = fread($fh, 2048);
-		fclose($fh);
-
 		if ((strpos('<',$data) !== FALSE) &&
 			(strlen($data) !== strlen(strip_tags($data)))) {
 			return TRUE;
@@ -416,14 +406,14 @@ class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_
 	 */
 	public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
 	{
-		// Check if file exists
+		// Open file to validate
-		if (!file_exists($pFilename)) {
+		$this->_openFile($pFilename);
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		if (!$this->_isValidFormat()) {
-		}
+			fclose ($this->_fileHandle);
-
+			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file.");
-		if (!is_file($pFilename)) {
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! The given file is not a regular file.");
 		}
+		//	Close after validating
+		fclose ($this->_fileHandle);
 
 		// Create new PHPExcel
 		while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
@@ -433,9 +423,9 @@ class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_
 
 		//	Create a new DOM object
 		$dom = new domDocument;
-		//	Load the HTML file into the DOM object
+		//	Reload the HTML file into the DOM object
 		$loaded = $dom->loadHTMLFile($pFilename);
-		if ($loaded === false) {
+		if ($loaded === FALSE) {
 			throw new PHPExcel_Reader_Exception('Failed to load ',$pFilename,' as a DOM Document');
 		}
 

Classes/PHPExcel/Reader/SYLK.php

@@ -79,42 +79,31 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		$this->_readFilter 	= new PHPExcel_Reader_DefaultReadFilter();
 	}
 
-
 	/**
-	 * Can the current PHPExcel_Reader_IReader read the file?
+	 * Validate that the current file is a SYLK file
 	 *
-	 * @param 	string 		$pFilename
+	 * @return boolean
-	 * @return 	boolean
-	 * @throws PHPExcel_Reader_Exception
 	 */
-	public function canRead($pFilename)
+	protected function _isValidFormat()
 	{
-		// Check if file exists
-		if (!file_exists($pFilename)) {
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
-		}
-
 		// Read sample data (first 2 KB will do)
-		$fh = fopen($pFilename, 'r');
+		$data = fread($this->_fileHandle, 2048);
-		$data = fread($fh, 2048);
-		fclose($fh);
 
 		// Count delimiters in file
 		$delimiterCount = substr_count($data, ';');
 		if ($delimiterCount < 1) {
-			return false;
+			return FALSE;
 		}
 
 		// Analyze first line looking for ID; signature
 		$lines = explode("\n", $data);
 		if (substr($lines[0],0,4) != 'ID;P') {
-			return false;
+			return FALSE;
 		}
 
-		return true;
+		return TRUE;
 	}
 
-
 	/**
 	 * Set input encoding
 	 *
@@ -126,7 +115,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $this;
 	}
 
-
 	/**
 	 * Get input encoding
 	 *
@@ -137,7 +125,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $this->_inputEncoding;
 	}
 
-
 	/**
 	 * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
 	 *
@@ -146,16 +133,13 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 	 */
 	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.");
-		}
-
 		// Open file
-		$fileHandle = fopen($pFilename, 'r');
+		$this->_openFile($pFilename);
-		if ($fileHandle === false) {
+		if (!$this->_isValidFormat()) {
-			throw new PHPExcel_Reader_Exception("Could not open file " . $pFilename . " for reading.");
+			fclose ($this->_fileHandle);
+			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
 		}
+		$fileHandle = $this->_fileHandle;
 
 		$worksheetInfo = array();
 		$worksheetInfo[0]['worksheetName'] = 'Worksheet';
@@ -177,7 +161,7 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 
 			// explode each row at semicolons while taking into account that literal semicolon (;)
 			// is escaped like this (;;)
-			$rowData = explode("\t",str_replace('?',';',str_replace(';',"\t",str_replace(';;','?',rtrim($rowData)))));
+			$rowData = explode("\t",str_replace('¤',';',str_replace(';',"\t",str_replace(';;','¤',rtrim($rowData)))));
 
 			$dataType = array_shift($rowData);
 			if ($dataType == 'C') {
@@ -209,7 +193,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $worksheetInfo;
 	}
 
-
 	/**
 	 * Loads PHPExcel from file
 	 *
@@ -226,7 +209,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $this->loadIntoExisting($pFilename, $objPHPExcel);
 	}
 
-
 	/**
 	 * Loads PHPExcel from file into PHPExcel instance
 	 *
@@ -237,11 +219,15 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 	 */
 	public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
 	{
-		// Check if file exists
+		// Open file
-		if (!file_exists($pFilename)) {
+		$this->_openFile($pFilename);
-			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+		if (!$this->_isValidFormat()) {
+			fclose ($this->_fileHandle);
+			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
 		}
-
+		$fileHandle = $this->_fileHandle;
+		rewind($fileHandle);
+		
 		// Create new PHPExcel
 		while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
 			$objPHPExcel->createSheet();
@@ -251,12 +237,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		$fromFormats	= array('\-',	'\ ');
 		$toFormats		= array('-',	' ');
 
-		// Open file
-		$fileHandle = fopen($pFilename, 'r');
-		if ($fileHandle === false) {
-			throw new PHPExcel_Reader_Exception("Could not open file $pFilename for reading.");
-		}
-
 		// Loop through file
 		$rowData = array();
 		$column = $row = '';
@@ -404,7 +384,9 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 				}
 				if (($formatStyle > '') && ($column > '') && ($row > '')) {
 					$columnLetter = PHPExcel_Cell::stringFromColumnIndex($column-1);
-					$objPHPExcel->getActiveSheet()->getStyle($columnLetter.$row)->applyFromArray($this->_formats[$formatStyle]);
+					if (isset($this->_formats[$formatStyle])) {
+						$objPHPExcel->getActiveSheet()->getStyle($columnLetter.$row)->applyFromArray($this->_formats[$formatStyle]);
+					}
 				}
 				if ((!empty($styleData)) && ($column > '') && ($row > '')) {
 					$columnLetter = PHPExcel_Cell::stringFromColumnIndex($column-1);
@@ -444,7 +426,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $objPHPExcel;
 	}
 
-
 	/**
 	 * Get sheet index
 	 *
@@ -454,7 +435,6 @@ class PHPExcel_Reader_SYLK extends PHPExcel_Reader_Abstract implements PHPExcel_
 		return $this->_sheetIndex;
 	}
 
-
 	/**
 	 * Set sheet index
 	 *

Examples/33chartcreate-scatter.php

@@ -0,0 +1,138 @@
+<?php
+
+/** Error reporting */
+error_reporting(E_ALL);
+ini_set('display_errors', TRUE);
+ini_set('display_startup_errors', TRUE);
+date_default_timezone_set('Europe/London');
+
+define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
+
+date_default_timezone_set('Europe/London');
+
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    ##VERSION##, ##DATE##
+ */
+
+/** PHPExcel */
+require_once '../Classes/PHPExcel.php';
+
+
+$objPHPExcel = new PHPExcel();
+$objWorksheet = $objPHPExcel->getActiveSheet();
+$objWorksheet->fromArray(
+	array(
+		array('',	2010,	2011,	2012),
+		array('Q1',   12,   15,		21),
+		array('Q2',   56,   73,		86),
+		array('Q3',   52,   61,		69),
+		array('Q4',   30,   32,		0),
+	)
+);
+
+//	Set the Labels for each data series we want to plot
+//		Datatype
+//		Cell reference for data
+//		Format Code
+//		Number of datapoints in series
+//		Data values
+//		Data Marker
+$dataseriesLabels = array(
+	new PHPExcel_Chart_DataSeriesValues('String', 'Worksheet!$B$1', NULL, 1),	//	2010
+	new PHPExcel_Chart_DataSeriesValues('String', 'Worksheet!$C$1', NULL, 1),	//	2011
+	new PHPExcel_Chart_DataSeriesValues('String', 'Worksheet!$D$1', NULL, 1),	//	2012
+);
+//	Set the X-Axis Labels
+$xAxisTickValues = array(
+	new PHPExcel_Chart_DataSeriesValues('String', 'Worksheet!$A$2:$A$5', NULL, 4),	//	Q1 to Q4
+);
+//	Set the Data values for each data series we want to plot
+//		Datatype
+//		Cell reference for data
+//		Format Code
+//		Number of datapoints in series
+//		Data values
+//		Data Marker
+$dataSeriesValues = array(
+	new PHPExcel_Chart_DataSeriesValues('Number', 'Worksheet!$B$2:$B$5', NULL, 4),
+	new PHPExcel_Chart_DataSeriesValues('Number', 'Worksheet!$C$2:$C$5', NULL, 4),
+	new PHPExcel_Chart_DataSeriesValues('Number', 'Worksheet!$D$2:$D$5', NULL, 4),
+);
+
+//	Build the dataseries
+$series = new PHPExcel_Chart_DataSeries(
+	PHPExcel_Chart_DataSeries::TYPE_SCATTERCHART,	// plotType
+	NULL,											// plotGrouping (Scatter charts don't have any grouping)
+	range(0, count($dataSeriesValues)-1),			// plotOrder
+	$dataseriesLabels,								// plotLabel
+	$xAxisTickValues,								// plotCategory
+	$dataSeriesValues,								// plotValues
+	NULL,											// smooth line
+	PHPExcel_Chart_DataSeries::STYLE_LINEMARKER		// plotStyle
+);
+
+//	Set the series in the plot area
+$plotarea = new PHPExcel_Chart_PlotArea(NULL, array($series));
+//	Set the chart legend
+$legend = new PHPExcel_Chart_Legend(PHPExcel_Chart_Legend::POSITION_TOPRIGHT, NULL, false);
+
+$title = new PHPExcel_Chart_Title('Test Scatter Chart');
+$yAxisLabel = new PHPExcel_Chart_Title('Value ($k)');
+
+
+//	Create the chart
+$chart = new PHPExcel_Chart(
+	'chart1',		// name
+	$title,			// title
+	$legend,		// legend
+	$plotarea,		// plotArea
+	true,			// plotVisibleOnly
+	0,				// displayBlanksAs
+	NULL,			// xAxisLabel
+	$yAxisLabel		// yAxisLabel
+);
+
+//	Set the position where the chart should appear in the worksheet
+$chart->setTopLeftPosition('A7');
+$chart->setBottomRightPosition('H20');
+
+//	Add the chart to the worksheet
+$objWorksheet->addChart($chart);
+
+
+// Save Excel 2007 file
+echo date('H:i:s') , " Write to Excel2007 format" , EOL;
+$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+$objWriter->setIncludeCharts(TRUE);
+$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
+echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , EOL;
+
+
+// Echo memory peak usage
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
+
+// Echo done
+echo date('H:i:s') , " Done writing file" , EOL;
+echo 'File has been created in ' , getcwd() , EOL;

Examples/34chartupdate.php

@@ -36,11 +36,8 @@ date_default_timezone_set('Europe/London');
  * @version    ##VERSION##, ##DATE##
  */
 
-/** Include path **/
-set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
-
 /** PHPExcel */
-include 'PHPExcel.php';
+include '../Classes/PHPExcel.php';
 
 if (!file_exists("33chartcreate-bar.xlsx")) {
 	exit("Please run 33chartcreate-bar.php first." . EOL);