Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							992aee683a 
							
						 
					 
					
						
						
							
							Update to copyright year in file headers  
						
						
						
					 
					
						2013-12-31 18:36:33 +00:00 
						 
				 
			
				
					
						
							
							
								Eliu Florez 
							
						 
					 
					
						
						
						
						
							
						
						
							b9907446a3 
							
						 
					 
					
						
						
							
							Update Calculation.php  
						
						... 
						
						
						
						PHPExcel Fatal error: Call to a member function cellExists() line: 3327 
						
					 
					
						2013-12-04 22:46:55 -04:30 
						 
				 
			
				
					
						
							
							
								Adrien Crivelli 
							
						 
					 
					
						
						
						
						
							
						
						
							f2e24ecdd4 
							
						 
					 
					
						
						
							
							Comparison operators on strings are usually case insensitive  
						
						... 
						
						
						
						Excel, Gnumeric and Google Spreadsheet are case insensitive, so the
default behavior of PHPExcel is modified accordingly.
However OpenOffice is case sensitive and is also supported via the
compatibility mode of PHPExcel.
Fixes  #31  
						
					 
					
						2013-11-21 16:04:59 +09:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							9c6287a323 
							
						 
					 
					
						
						
							
							Bugfix: (IndrekHaav) Work Item GH-212 - Fix for formulae that reference a sheet whose name begins with a digit:  
						
						... 
						
						
						
						these were erroneously identified as numeric values, causing the parser to throw an undefined variable error. 
						
					 
					
						2013-11-18 14:20:37 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							333c811c5e 
							
						 
					 
					
						
						
							
							Minor performance tweaks to calculation engine  
						
						
						
					 
					
						2013-06-16 16:24:34 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							dfc74f8b95 
							
						 
					 
					
						
						
							
							Feature: (amerov) - Implementation of the Excel HLOOKUP() function  
						
						
						
					 
					
						2013-06-14 23:57:50 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							9f575aff68 
							
						 
					 
					
						
						
							
							Manual PR merge to remove redundant brackets after throw in 2 files, courtesy of kachkaev  
						
						
						
					 
					
						2013-05-15 18:02:24 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							6a4be7da3c 
							
						 
					 
					
						
						
							
							Update to copyright year in file headers, and minor documentation updates  
						
						
						
					 
					
						2013-05-14 12:20:28 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							216ef82a14 
							
						 
					 
					
						
						
							
							Yet more docblock fixes  
						
						
						
					 
					
						2013-04-30 12:45:13 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							9ecce7f009 
							
						 
					 
					
						
						
							
							Minor performance tweak  
						
						
						
					 
					
						2013-04-29 00:06:06 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							d4e7026c95 
							
						 
					 
					
						
						
							
							docblocks  
						
						
						
					 
					
						2013-04-27 23:36:39 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							8debf76a8a 
							
						 
					 
					
						
						
							
							Minor performance tweaks  
						
						
						
					 
					
						2013-04-26 12:44:47 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							be5551d29e 
							
						 
					 
					
						
						
							
							Refactor the cyclic reference stack as an object so that we can inject it into the logger constructor rather than having to pass it at every call  
						
						
						
					 
					
						2013-02-16 10:59:19 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							3886c47ebe 
							
						 
					 
					
						
						
							
							Refactoring of calculation engine using the multiton pattern to eliminate caching issues when working with multiple workbooks  
						
						... 
						
						
						
						Refactoring of calculation engine for improved performance and memory usage
Refactoring of cell object to eliminate data duplication and reduce memory 
						
					 
					
						2013-02-15 15:42:06 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							b589fab56b 
							
						 
					 
					
						
						
							
							Selective calculation cache clearance and adjustment for unsetting or renaming worksheets  
						
						
						
					 
					
						2013-02-12 12:44:31 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							f05f66fa82 
							
						 
					 
					
						
						
							
							Eliminate some code duplication  
						
						
						
					 
					
						2013-02-11 14:11:36 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							abb076a817 
							
						 
					 
					
						
						
							
							Use direct reference to workbook in Calc Engine rather than cell's parent's parent  
						
						
						
					 
					
						2013-02-05 09:52:28 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							1e1a6ac361 
							
						 
					 
					
						
						
							
							Convert singleton calculation engine to multiton  
						
						
						
					 
					
						2013-02-04 17:26:27 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							242f69bb29 
							
						 
					 
					
						
						
							
							Performance tweaks  
						
						
						
					 
					
						2013-02-01 13:29:13 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							3c3e910d74 
							
						 
					 
					
						
						
							
							Performance tweaks and modification to style checking for hh:mm or mm:ss time formats to differentiate correctly from mm months  
						
						
						
					 
					
						2013-02-01 12:45:21 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							9a085abd7d 
							
						 
					 
					
						
						
							
							Minor memory and performance improvements  
						
						
						
					 
					
						2013-01-31 12:13:31 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							092fc7b5f7 
							
						 
					 
					
						
						
							
							General: (dbonsch) Work item GH-78 - Restructuring of PHPExcel Exceptions  
						
						
						
					 
					
						2013-01-15 21:42:28 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							979aa760c0 
							
						 
					 
					
						
						
							
							Only load list of locale files for calculation engine if setLocale() is explicitly called  
						
						
						
					 
					
						2012-12-24 15:32:17 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							7b8533a504 
							
						 
					 
					
						
						
							
							Minor bugfix to calculation engine formula validation (unbalanced braces)  
						
						
						
					 
					
						2012-10-13 22:07:36 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							3f981d84d4 
							
						 
					 
					
						
						
							
							Move calculator token stack class into its own file  
						
						
						
					 
					
						2012-10-07 11:31:08 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							fb6ad92fd4 
							
						 
					 
					
						
						
							
							Minor bugfixes  
						
						
						
					 
					
						2012-09-16 23:28:03 +01:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							6fcec48233 
							
						 
					 
					
						
						
							
							Enable DAVERAGE() Excel function  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@88401  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-03-25 22:23:30 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							891981928d 
							
						 
					 
					
						
						
							
							Doc Block changes  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@87638  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-03-11 17:58:38 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							22404188a0 
							
						 
					 
					
						
						
							
							Work Item 17516 - Issue  #1  fix bad cut-and-paste  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@87244  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-03-03 20:22:13 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							b18939b29d 
							
						 
					 
					
						
						
							
							Minor fixes for strict standards  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@86471  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-02-14 13:48:09 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							b41407743e 
							
						 
					 
					
						
						
							
							Whoopsee... managed to introduce a bug when changing is_null() to === NULL for performance reasons, and reversed the logic of the test..... this is the fix  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@86204  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-02-08 22:33:31 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							9c2ceed08d 
							
						 
					 
					
						
						
							
							Minor performance tweaks  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@85743  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-01-25 23:07:22 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							2cce9b754d 
							
						 
					 
					
						
						
							
							Minor performance tweaks and adjustments to Excel functions to handle a few envelope test cases  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@85742  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-01-25 22:07:35 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							21cce674c8 
							
						 
					 
					
						
						
							
							Fix to inappropriate replacement of count() with empty().... there may be others I've not spotted yet.  
						
						... 
						
						
						
						Improved debuglog in calculation engine.
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@85403  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2012-01-17 21:57:06 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							68a0930f67 
							
						 
					 
					
						
						
							
							Bugfix: Work item 16960 - Previous calculation engine error conditions trigger cyclic reference errors  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@83263  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-11-25 14:37:47 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							f2076cde3f 
							
						 
					 
					
						
						
							
							Bugfix: Work item 16956 - External links in Excel2010 files cause Fatal error  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@83261  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-11-25 13:34:08 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							c7f99d0d98 
							
						 
					 
					
						
						
							
							Bugfix: Work item 15707 - ini_set() call in Calculation class destructor  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@72060  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-04-19 21:40:35 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							70f773f0ca 
							
						 
					 
					
						
						
							
							Bugfix: Support for Excel functions whose return can be used as either a value or as a cell reference depending on its context within a formula  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@71420  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-04-05 21:57:59 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							f08f16c8ca 
							
						 
					 
					
						
						
							
							General: Work item 15461 - Locale file paths not fit for windows  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@69731  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-03-04 14:22:08 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							cfaa5209f7 
							
						 
					 
					
						
						
							
							General: Work item 15405 - Two easy to fix Issues concerning PHPExcel_Token_Stack (l10n/UC)  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@69508  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-28 00:32:55 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							aedff36d4e 
							
						 
					 
					
						
						
							
							Bugfix: Work item 15409 - Full column/row references in named ranges not supported by updateCellReference()  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@69495  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-27 22:33:42 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							a07dd58fc7 
							
						 
					 
					
						
						
							
							Added listAllFunctionNames() method to the Calculation Engine, and modified the listFunctionNames() method to return only implemented functions  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@69154  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-22 13:57:15 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							a8517724dc 
							
						 
					 
					
						
						
							
							Bugfix:	Work item 15379 - Named ranges with dot don't get parsed properly  
						
						... 
						
						
						
						Bugfix:	Work item 15096 - insertNewRowBefore fails to consistently update references
Bugfix:	"i" is not a valid character for Excel date format masks (in isDateTimeFormatCode() method)
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@69064  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-21 12:21:20 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							2dcead065d 
							
						 
					 
					
						
						
							
							Fixed bug in translation functions of the calculation engine  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@68887  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-18 17:39:58 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							7425aa8460 
							
						 
					 
					
						
						
							
							Feature: Work Item  2346 - Implement more Excel calculation functions  
						
						... 
						
						
						
						Implemented the DGET() Database function
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@68576  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-13 17:19:00 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							c5c816a9c6 
							
						 
					 
					
						
						
							
							Feature: Work Item  2346 - Implement more Excel calculation functions  
						
						... 
						
						
						
						Implemented the DAVERAGE(), DCOUNT(), DCOUNTA(), DMAX(), DMIN(), DPRODUCT(), DSTDEV(), DSTDEVP(), DSUM(), DVAR() and DVARP() Database functions
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@68574  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-13 17:08:00 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							8a00ef61e8 
							
						 
					 
					
						
						
							
							Added debug log echo option to Calculation Engine (for PHPExcel development team debugging use only)  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@68482  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-11 22:45:17 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							0fd77aa397 
							
						 
					 
					
						
						
							
							Minor performance tweaks when working with alternating blocks in a string  
						
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						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@68309  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-02-10 12:39:34 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							a7d2134271 
							
						 
					 
					
						
						
							
							Fix to a problem that I introduced with last night's changes to precision in the calculation engine  
						
						... 
						
						
						
						git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@67429  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-01-26 09:40:40 +00:00 
						 
				 
			
				
					
						
							
							
								Mark Baker 
							
						 
					 
					
						
						
						
						
							
						
						
							59e85a379d 
							
						 
					 
					
						
						
							
							Added flushInstance() method to clear the calculation cache, but only if the calculation engine has been instantiated.  
						
						... 
						
						
						
						Moved precision setting from functions.php to the calculation engine constructor, with a reset when the calculation engine instance is unset... will be of value when I switch the code to support a calculation engine/cache with each instantiated PHPExcel object.
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@67403  2327b42d-5241-43d6-9e2a-de5ac946f064 
						
					 
					
						2011-01-25 23:11:32 +00:00