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File Name : SpreadsheetReader_ODS.php

<?php
/**
 * Class for parsing ODS files
 *
 * @author Martins Pilsetnieks
 */
	class SpreadsheetReader_ODS implements Iterator, Countable
	{
		private $Options = array(
			'TempDir' => '',
			'ReturnDateTimeObjects' => false
		);

/**
		 * @var string Path to temporary content file
		 */
		private $ContentPath = '';
		/**
		 * @var XMLReader XML reader object
		 */
		private $Content = false;

/**
		 * @var array Data about separate sheets in the file
		 */
		private $Sheets = false;

private $CurrentRow = null;

/**
		 * @var int Number of the sheet we're currently reading
		 */
		private $CurrentSheet = 0;

private $Index = 0;

private $TableOpen = false;
		private $RowOpen = false;

/**
		 * @param string Path to file
		 * @param array Options:
		 *	TempDir => string Temporary directory path
		 *	ReturnDateTimeObjects => bool True => dates and times will be returned as PHP DateTime objects, false => as strings
		 */
		public function __construct($Filepath, array $Options = null)
		{
			if (!is_readable($Filepath))
			{
				throw new Exception('SpreadsheetReader_ODS: File not readable ('.$Filepath.')');
			}

$this -> TempDir = isset($Options['TempDir']) && is_writable($Options['TempDir']) ?
				$Options['TempDir'] :
				sys_get_temp_dir();

$this -> TempDir = rtrim($this -> TempDir, DIRECTORY_SEPARATOR);
			$this -> TempDir = $this -> TempDir.DIRECTORY_SEPARATOR.uniqid().DIRECTORY_SEPARATOR;

$Zip = new ZipArchive;
			$Status = $Zip -> open($Filepath);

if ($Status !== true)
			{
				throw new Exception('SpreadsheetReader_ODS: File not readable ('.$Filepath.') (Error '.$Status.')');
			}

if ($Zip -> locateName('content.xml') !== false)
			{
				$Zip -> extractTo($this -> TempDir, 'content.xml');
				$this -> ContentPath = $this -> TempDir.'content.xml';
			}

$Zip -> close();

if ($this -> ContentPath && is_readable($this -> ContentPath))
			{
				$this -> Content = new XMLReader;
				$this -> Content -> open($this -> ContentPath);
				$this -> Valid = true;
			}
		}

/**
		 * Destructor, destroys all that remains (closes and deletes temp files)
		 */
		public function __destruct()
		{
			if ($this -> Content && $this -> Content instanceof XMLReader)
			{
				$this -> Content -> close();
				unset($this -> Content);
			}
			if (file_exists($this -> ContentPath))
			{
				@unlink($this -> ContentPath);
				unset($this -> ContentPath);
			}
		}

/**
		 * Retrieves an array with information about sheets in the current file
		 *
		 * @return array List of sheets (key is sheet index, value is name)
		 */
		public function Sheets()
		{
			if ($this -> Sheets === false)
			{
				$this -> Sheets = array();

if ($this -> Valid)
				{
					$this -> SheetReader = new XMLReader;
					$this -> SheetReader -> open($this -> ContentPath);

while ($this -> SheetReader -> read())
					{
						if ($this -> SheetReader -> name == 'table:table')
						{
							$this -> Sheets[] = $this -> SheetReader -> getAttribute('table:name');
							$this -> SheetReader -> next();
						}
					}
					
					$this -> SheetReader -> close();
				}
			}
			return $this -> Sheets;
		}

/**
		 * Changes the current sheet in the file to another
		 *
		 * @param int Sheet index
		 *
		 * @return bool True if sheet was successfully changed, false otherwise.
		 */
		public function ChangeSheet($Index)
		{
			$Index = (int)$Index;

$Sheets = $this -> Sheets();
			if (isset($Sheets[$Index]))
			{
				$this -> CurrentSheet = $Index;
				$this -> rewind();

return true;
			}

return false;
		}

// !Iterator interface methods
		/** 
		 * Rewind the Iterator to the first element.
		 * Similar to the reset() function for arrays in PHP
		 */ 
		public function rewind()
		{
			if ($this -> Index > 0)
			{
				// If the worksheet was already iterated, XML file is reopened.
				// Otherwise it should be at the beginning anyway
				$this -> Content -> close();
				$this -> Content -> open($this -> ContentPath);
				$this -> Valid = true;

$this -> TableOpen = false;
				$this -> RowOpen = false;

$this -> CurrentRow = null;
			}

$this -> Index = 0;
		}

/**
		 * Return the current element.
		 * Similar to the current() function for arrays in PHP
		 *
		 * @return mixed current element from the collection
		 */
		public function current()
		{
			if ($this -> Index == 0 && is_null($this -> CurrentRow))
			{
				$this -> next();
				$this -> Index--;
			}
			return $this -> CurrentRow;
		}

/** 
		 * Move forward to next element. 
		 * Similar to the next() function for arrays in PHP 
		 */ 
		public function next()
		{
			$this -> Index++;

$this -> CurrentRow = array();

if (!$this -> TableOpen)
			{
				$TableCounter = 0;
				$SkipRead = false;

while ($this -> Valid = ($SkipRead || $this -> Content -> read()))
				{
					if ($SkipRead)
					{
						$SkipRead = false;
					}

if ($this -> Content -> name == 'table:table' && $this -> Content -> nodeType != XMLReader::END_ELEMENT)
					{
						if ($TableCounter == $this -> CurrentSheet)
						{
							$this -> TableOpen = true;
							break;
						}

$TableCounter++;
						$this -> Content -> next();
						$SkipRead = true;
					}
				}
			}

if ($this -> TableOpen && !$this -> RowOpen)
			{
				while ($this -> Valid = $this -> Content -> read())
				{
					switch ($this -> Content -> name)
					{
						case 'table:table':
							$this -> TableOpen = false;
							$this -> Content -> next('office:document-content');
							$this -> Valid = false;
							break 2;
						case 'table:table-row':
							if ($this -> Content -> nodeType != XMLReader::END_ELEMENT)
							{
								$this -> RowOpen = true;
								break 2;
							}
							break;
					}
				}
			}

if ($this -> RowOpen)
			{
				$LastCellContent = '';

while ($this -> Valid = $this -> Content -> read())
				{
					switch ($this -> Content -> name)
					{
						case 'table:table-cell':
							if ($this -> Content -> nodeType == XMLReader::END_ELEMENT || $this -> Content -> isEmptyElement)
							{
								if ($this -> Content -> nodeType == XMLReader::END_ELEMENT)
								{
									$CellValue = $LastCellContent;
								}
								elseif ($this -> Content -> isEmptyElement)
								{
									$LastCellContent = '';
									$CellValue = $LastCellContent;
								}

$this -> CurrentRow[] = $LastCellContent;

if ($this -> Content -> getAttribute('table:number-columns-repeated') !== null)
								{                                                                                            
									$RepeatedColumnCount = $this -> Content -> getAttribute('table:number-columns-repeated');
									// Checking if larger than one because the value is already added to the row once before
									if ($RepeatedColumnCount > 1)
									{
										$this -> CurrentRow = array_pad($this -> CurrentRow, count($this -> CurrentRow) + $RepeatedColumnCount - 1, $LastCellContent);
									}
								}
							}
							else
							{
								$LastCellContent = '';
							}
						case 'text:p':
							if ($this -> Content -> nodeType != XMLReader::END_ELEMENT)
							{
								$LastCellContent = $this -> Content -> readString();
							}
							break;
						case 'table:table-row':
							$this -> RowOpen = false;
							break 2;
					}
				}
			}

return $this -> CurrentRow;
		}

/** 
		 * Return the identifying key of the current element.
		 * Similar to the key() function for arrays in PHP
		 *
		 * @return mixed either an integer or a string
		 */ 
		public function key()
		{
			return $this -> Index;
		}

/** 
		 * Check if there is a current element after calls to rewind() or next().
		 * Used to check if we've iterated to the end of the collection
		 *
		 * @return boolean FALSE if there's nothing more to iterate over
		 */ 
		public function valid()
		{
			return $this -> Valid;
		}

// !Countable interface method
		/**
		 * Ostensibly should return the count of the contained items but this just returns the number
		 * of rows read so far. It's not really correct but at least coherent.
		 */
		public function count()
		{
			return $this -> Index + 1;
		}
	}
?>

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	mboniqkj/mboniqkj	0755	2023-07-05 03:41:06
..	dir	-	mboniqkj/nobody	0750	2026-02-27 08:52:40
SpreadsheetReader.php	text/x-php	8.42 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
SpreadsheetReader_CSV.php	text/x-php	6.88 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
SpreadsheetReader_ODS.php	text/x-php	8 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
SpreadsheetReader_XLS.php	text/x-php	5.78 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
SpreadsheetReader_XLSX.php	text/x-php	29.03 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
composer.json	application/json	652 B	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
excel_reader2.php	text/x-php	58.18 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22
test.php	text/x-php	2.31 KB	mboniqkj/mboniqkj	0644	2022-03-22 06:38:22

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