original /framework/lib/classes/PHPExcel/Cell.php

Language PHP Lines 861
MD5 Hash 77eca4da81b4ad6161d00bcdfab00349 Estimated Cost $10,160 (why?)
Repository https://bitbucket.org/designbyheart/original.git View Raw File View Project SPDX
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2011 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_Cell
 * @copyright	Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version		1.7.6, 2011-02-27
 */


/**
 * PHPExcel_Cell
 *
 * @category   PHPExcel
 * @package	PHPExcel_Cell
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Cell
{
	/**
	 * Value binder to use
	 *
	 * @var PHPExcel_Cell_IValueBinder
	 */
	private static $_valueBinder = null;

	/**
	 * Column of the cell
	 *
	 * @var string
	 */
	private $_column;

	/**
	 * Row of the cell
	 *
	 * @var int
	 */
	private $_row;

	/**
	 * Value of the cell
	 *
	 * @var mixed
	 */
	private $_value;

	/**
	 * Calculated value of the cell (used for caching)
	 *
	 * @var mixed
	 */
	private $_calculatedValue = null;

	/**
	 * Type of the cell data
	 *
	 * @var string
	 */
	private $_dataType;

	/**
	 * Parent worksheet
	 *
	 * @var PHPExcel_Worksheet
	 */
	private $_parent;

	/**
	 * Index to cellXf
	 *
	 * @var int
	 */
	private $_xfIndex;

	/**
	 * Attributes of the formula
	 *
	 *
	 */
	private $_formulaAttributes;


	/**
	 * Send notification to the cache controller
	 * @return void
	 **/
	public function notifyCacheController() {
		$this->_parent->getCellCacheController()->updateCacheData($this);
		return $this;
	}

	public function detach() {
		$this->_parent = null;
	}

	public function attach($parent) {
		$this->_parent = $parent;
	}


	/**
	 * Create a new Cell
	 *
	 * @param	string				$pColumn
	 * @param	int				$pRow
	 * @param	mixed				$pValue
	 * @param	string				$pDataType
	 * @param	PHPExcel_Worksheet	$pSheet
	 * @throws	Exception
	 */
	public function __construct($pColumn = 'A', $pRow = 1, $pValue = null, $pDataType = null, PHPExcel_Worksheet $pSheet = null)
	{
		// Initialise cell coordinate
		$this->_column = strtoupper($pColumn);
		$this->_row = $pRow;

		// Initialise cell value
		$this->_value = $pValue;

		// Set worksheet
		$this->_parent = $pSheet;

		// Set datatype?
		if ($pDataType !== null) {
			if ($pDataType == PHPExcel_Cell_DataType::TYPE_STRING2)
				$pDataType = PHPExcel_Cell_DataType::TYPE_STRING;
			$this->_dataType = $pDataType;
		} else {
			if (!self::getValueBinder()->bindValue($this, $pValue)) {
				throw new Exception("Value could not be bound to cell.");
			}
		}

		// set default index to cellXf
		$this->_xfIndex = 0;
	}

	/**
	 * Get cell coordinate column
	 *
	 * @return string
	 */
	public function getColumn()
	{
		return $this->_column;
	}

	/**
	 * Get cell coordinate row
	 *
	 * @return int
	 */
	public function getRow()
	{
		return $this->_row;
	}

	/**
	 * Get cell coordinate
	 *
	 * @return string
	 */
	public function getCoordinate()
	{
		return $this->_column . $this->_row;
	}

	/**
	 * Get cell value
	 *
	 * @return mixed
	 */
	public function getValue()
	{
		return $this->_value;
	}

	/**
	 * Get cell value with formatting
	 *
	 * @return string
	 */
	public function getFormattedValue()
	{
		return PHPExcel_Style_NumberFormat::toFormattedString( $this->getCalculatedValue(),
						$this->_parent->getParent()->getCellXfByIndex($this->getXfIndex())->getNumberFormat()->getFormatCode()
			   );
	}

	/**
	 * Set cell value
	 *
	 * This clears the cell formula.
	 *
	 * @param mixed	$pValue					Value
	 * @return PHPExcel_Cell
	 */
	public function setValue($pValue = null)
	{
		if (!self::getValueBinder()->bindValue($this, $pValue)) {
			throw new Exception("Value could not be bound to cell.");
		}
		return $this;
	}

	/**
	 * Set cell value (with explicit data type given)
	 *
	 * @param mixed	$pValue			Value
	 * @param string	$pDataType		Explicit data type
	 * @return PHPExcel_Cell
	 * @throws Exception
	 */
	public function setValueExplicit($pValue = null, $pDataType = PHPExcel_Cell_DataType::TYPE_STRING)
	{
		// set the value according to data type
		switch ($pDataType) {
			case PHPExcel_Cell_DataType::TYPE_STRING2:
				$pDataType = PHPExcel_Cell_DataType::TYPE_STRING;
			case PHPExcel_Cell_DataType::TYPE_STRING:
			case PHPExcel_Cell_DataType::TYPE_NULL:
			case PHPExcel_Cell_DataType::TYPE_INLINE:
				$this->_value = PHPExcel_Cell_DataType::checkString($pValue);
				break;

			case PHPExcel_Cell_DataType::TYPE_NUMERIC:
				$this->_value = (float)$pValue;
				break;

			case PHPExcel_Cell_DataType::TYPE_FORMULA:
				$this->_value = (string)$pValue;
				break;

			case PHPExcel_Cell_DataType::TYPE_BOOL:
				$this->_value = (bool)$pValue;
				break;

			case PHPExcel_Cell_DataType::TYPE_ERROR:
				$this->_value = PHPExcel_Cell_DataType::checkErrorCode($pValue);
				break;

			default:
				throw new Exception('Invalid datatype: ' . $pDataType);
				break;
		}

		// set the datatype
		$this->_dataType = $pDataType;

		return $this->notifyCacheController();
	}

	/**
	 * Get calculated cell value
	 *
	 * @return mixed
	 */
	public function getCalculatedValue($resetLog=true)
	{
//		echo 'Cell '.$this->getCoordinate().' value is a '.$this->_dataType.' with a value of '.$this->getValue().'<br />';
		if ($this->_dataType == PHPExcel_Cell_DataType::TYPE_FORMULA) {
			try {
//				echo 'Cell value for '.$this->getCoordinate().' is a formula: Calculating value<br />';
				$result = PHPExcel_Calculation::getInstance()->calculateCellValue($this,$resetLog);
//				echo $this->getCoordinate().' calculation result is '.$result.'<br />';
			} catch ( Exception $ex ) {
//				echo 'Calculation Exception: '.$ex->getMessage().'<br />';
				$result = '#N/A';
				throw(new Exception($this->getParent()->getTitle().'!'.$this->getCoordinate().' -> '.$ex->getMessage()));
			}

			if ($result === '#Not Yet Implemented') {
//				echo 'Returning fallback value of '.$this->_calculatedValue.' for cell '.$this->getCoordinate().'<br />';
				return $this->_calculatedValue; // Fallback if calculation engine does not support the formula.
			}
//			echo 'Returning calculated value of '.$result.' for cell '.$this->getCoordinate().'<br />';
			return $result;
		}

//		if (is_null($this->_value)) {
//			echo 'Cell '.$this->getCoordinate().' has no value, formula or otherwise<br />';
//			return null;
//		}
//		echo 'Cell value for '.$this->getCoordinate().' is not a formula: Returning data value of '.$this->_value.'<br />';
		return $this->_value;
	}

	/**
	 * Set calculated value (used for caching)
	 *
	 * @param mixed $pValue	Value
	 * @return PHPExcel_Cell
	 */
	public function setCalculatedValue($pValue = null)
	{
		if (!is_null($pValue)) {
			$this->_calculatedValue = $pValue;
		}

		return $this->notifyCacheController();
	}

	/**
	 * Get old calculated value (cached)
	 *
	 * @return mixed
	 */
	public function getOldCalculatedValue()
	{
		return $this->_calculatedValue;
	}

	/**
	 * Get cell data type
	 *
	 * @return string
	 */
	public function getDataType()
	{
		return $this->_dataType;
	}

	/**
	 * Set cell data type
	 *
	 * @param string $pDataType
	 * @return PHPExcel_Cell
	 */
	public function setDataType($pDataType = PHPExcel_Cell_DataType::TYPE_STRING)
	{
		if ($pDataType == PHPExcel_Cell_DataType::TYPE_STRING2)
			$pDataType = PHPExcel_Cell_DataType::TYPE_STRING;

		$this->_dataType = $pDataType;

		return $this->notifyCacheController();
	}

	/**
	 * Has Data validation?
	 *
	 * @return boolean
	 */
	public function hasDataValidation()
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot check for data validation when cell is not bound to a worksheet');
		}

		return $this->_parent->dataValidationExists($this->getCoordinate());
	}

	/**
	 * Get Data validation
	 *
	 * @return PHPExcel_Cell_DataValidation
	 */
	public function getDataValidation()
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot get data validation for cell that is not bound to a worksheet');
		}

		return $this->_parent->getDataValidation($this->getCoordinate());
	}

	/**
	 * Set Data validation
	 *
	 * @param	PHPExcel_Cell_DataValidation	$pDataValidation
	 * @throws	Exception
	 * @return PHPExcel_Cell
	 */
	public function setDataValidation(PHPExcel_Cell_DataValidation $pDataValidation = null)
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot set data validation for cell that is not bound to a worksheet');
		}

		$this->_parent->setDataValidation($this->getCoordinate(), $pDataValidation);

		return $this->notifyCacheController();
	}

	/**
	 * Has Hyperlink
	 *
	 * @return boolean
	 */
	public function hasHyperlink()
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot check for hyperlink when cell is not bound to a worksheet');
		}

		return $this->_parent->hyperlinkExists($this->getCoordinate());
	}

	/**
	 * Get Hyperlink
	 *
	 * @throws Exception
	 * @return PHPExcel_Cell_Hyperlink
	 */
	public function getHyperlink()
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot get hyperlink for cell that is not bound to a worksheet');
		}

		return $this->_parent->getHyperlink($this->getCoordinate());
	}

	/**
	 * Set Hyperlink
	 *
	 * @param	PHPExcel_Cell_Hyperlink	$pHyperlink
	 * @throws	Exception
	 * @return PHPExcel_Cell
	 */
	public function setHyperlink(PHPExcel_Cell_Hyperlink $pHyperlink = null)
	{
		if (!isset($this->_parent)) {
			throw new Exception('Cannot set hyperlink for cell that is not bound to a worksheet');
		}

		$this->_parent->setHyperlink($this->getCoordinate(), $pHyperlink);

		return $this->notifyCacheController();
	}

	/**
	 * Get parent
	 *
	 * @return PHPExcel_Worksheet
	 */
	public function getParent() {
		return $this->_parent;
	}

	/**
	 * Re-bind parent
	 *
	 * @param PHPExcel_Worksheet $parent
	 * @return PHPExcel_Cell
	 */
	public function rebindParent(PHPExcel_Worksheet $parent) {
		$this->_parent = $parent;

		return $this->notifyCacheController();
	}

	/**
	 * Is cell in a specific range?
	 *
	 * @param	string	$pRange		Cell range (e.g. A1:A1)
	 * @return	boolean
	 */
	public function isInRange($pRange = 'A1:A1')
	{
		list($rangeStart,$rangeEnd) = PHPExcel_Cell::rangeBoundaries($pRange);

		// Translate properties
		$myColumn	= PHPExcel_Cell::columnIndexFromString($this->getColumn());
		$myRow		= $this->getRow();

		// Verify if cell is in range
		return (($rangeStart[0] <= $myColumn) && ($rangeEnd[0] >= $myColumn) &&
				($rangeStart[1] <= $myRow) && ($rangeEnd[1] >= $myRow)
			   );
	}

	/**
	 * Coordinate from string
	 *
	 * @param	string	$pCoordinateString
	 * @return	array	Array containing column and row (indexes 0 and 1)
	 * @throws	Exception
	 */
	public static function coordinateFromString($pCoordinateString = 'A1')
	{
		if (preg_match("/^([$]?[A-Z]{1,3})([$]?\d{1,7})$/", $pCoordinateString, $matches)) {
			return array($matches[1],$matches[2]);
		} elseif ((strpos($pCoordinateString,':') !== false) || (strpos($pCoordinateString,',') !== false)) {
			throw new Exception('Cell coordinate string can not be a range of cells.');
		} elseif ($pCoordinateString == '') {
			throw new Exception('Cell coordinate can not be zero-length string.');
		} else {
			throw new Exception('Invalid cell coordinate '.$pCoordinateString);
		}
	}

	/**
	 * Make string row, column or cell coordinate absolute
	 *
	 * @param	string	$pCoordinateString		e.g. 'A' or '1' or 'A1'
	 * @return	string	Absolute coordinate		e.g. '$A' or '$1' or '$A$1'
	 * @throws	Exception
	 */
	public static function absoluteReference($pCoordinateString = 'A1')
	{
		if (strpos($pCoordinateString,':') === false && strpos($pCoordinateString,',') === false) {
			// Create absolute coordinate
			if (ctype_digit($pCoordinateString)) {
				return '$'.$pCoordinateString;
			} elseif (ctype_alpha($pCoordinateString)) {
				return '$'.strtoupper($pCoordinateString);
			}
			return self::absoluteCoordinate($pCoordinateString);
		} else {
			throw new Exception("Coordinate string should not be a cell range.");
		}
	}

	/**
	 * Make string coordinate absolute
	 *
	 * @param	string	$pCoordinateString		e.g. 'A1'
	 * @return	string	Absolute coordinate		e.g. '$A$1'
	 * @throws	Exception
	 */
	public static function absoluteCoordinate($pCoordinateString = 'A1')
	{
		if (strpos($pCoordinateString,':') === false && strpos($pCoordinateString,',') === false) {
			// Create absolute coordinate
			list($column, $row) = PHPExcel_Cell::coordinateFromString($pCoordinateString);
			if ($column[0] == '$')	$column = substr($column,1);
			if ($row[0] == '$')		$row = substr($row,1);
			return '$' . $column . '$' . $row;
		} else {
			throw new Exception("Coordinate string should not be a cell range.");
		}
	}

	/**
	 * Split range into coordinate strings
	 *
	 * @param	string	$pRange
	 * @return	array	Array containg one or more arrays containing one or two coordinate strings
	 */
	public static function splitRange($pRange = 'A1:A1')
	{
		$exploded = explode(',', $pRange);
		$counter = count($exploded);
		for ($i = 0; $i < $counter; ++$i) {
			$exploded[$i] = explode(':', $exploded[$i]);
		}
		return $exploded;
	}

	/**
	 * Build range from coordinate strings
	 *
	 * @param	array	$pRange	Array containg one or more arrays containing one or two coordinate strings
	 * @return  string	String representation of $pRange
	 * @throws	Exception
	 */
	public static function buildRange($pRange)
	{
		// Verify range
		if (!is_array($pRange) || count($pRange) == 0 || !is_array($pRange[0])) {
			throw new Exception('Range does not contain any information.');
		}

		// Build range
		$imploded = array();
		$counter = count($pRange);
		for ($i = 0; $i < $counter; ++$i) {
			$pRange[$i] = implode(':', $pRange[$i]);
		}
		$imploded = implode(',', $pRange);

		return $imploded;
	}

	/**
	 * Calculate range boundaries
	 *
	 * @param	string	$pRange		Cell range (e.g. A1:A1)
	 * @return	array	Range coordinates (Start Cell, End Cell) where Start Cell and End Cell are arrays (Column Number, Row Number)
	 */
	public static function rangeBoundaries($pRange = 'A1:A1')
	{
		// Uppercase coordinate
		$pRange = strtoupper($pRange);

		// Extract range
		if (strpos($pRange, ':') === false) {
			$rangeA = $rangeB = $pRange;
		} else {
			list($rangeA, $rangeB) = explode(':', $pRange);
		}

		// Calculate range outer borders
		$rangeStart = PHPExcel_Cell::coordinateFromString($rangeA);
		$rangeEnd	= PHPExcel_Cell::coordinateFromString($rangeB);

		// Translate column into index
		$rangeStart[0]	= PHPExcel_Cell::columnIndexFromString($rangeStart[0]);
		$rangeEnd[0]	= PHPExcel_Cell::columnIndexFromString($rangeEnd[0]);

		return array($rangeStart, $rangeEnd);
	}

	/**
	 * Calculate range dimension
	 *
	 * @param	string	$pRange		Cell range (e.g. A1:A1)
	 * @return	array	Range dimension (width, height)
	 */
	public static function rangeDimension($pRange = 'A1:A1')
	{
		// Calculate range outer borders
		list($rangeStart,$rangeEnd) = PHPExcel_Cell::rangeBoundaries($pRange);

		return array( ($rangeEnd[0] - $rangeStart[0] + 1), ($rangeEnd[1] - $rangeStart[1] + 1) );
	}

	/**
	 * Calculate range boundaries
	 *
	 * @param	string	$pRange		Cell range (e.g. A1:A1)
	 * @return	array	Range boundaries (staring Column, starting Row, Final Column, Final Row)
	 */
	public static function getRangeBoundaries($pRange = 'A1:A1')
	{
		// Uppercase coordinate
		$pRange = strtoupper($pRange);

		// Extract range
		if (strpos($pRange, ':') === false) {
			$rangeA = $rangeB = $pRange;
		} else {
			list($rangeA, $rangeB) = explode(':', $pRange);
		}

		return array( self::coordinateFromString($rangeA), self::coordinateFromString($rangeB));
	}

	/**
	 * Column index from string
	 *
	 * @param	string $pString
	 * @return	int Column index (base 1 !!!)
	 * @throws	Exception
	 */
	public static function columnIndexFromString($pString = 'A')
	{
		//	It's surprising how costly the strtoupper() and ord() calls actually are, so we use a lookup array rather than use ord()
		//		and make it case insensitive to get rid of the strtoupper() as well. Because it's a static, there's no significant
		//		memory overhead either
		static $_columnLookup = array(
			'A' => 1, 'B' => 2, 'C' => 3, 'D' => 4, 'E' => 5, 'F' => 6, 'G' => 7, 'H' => 8, 'I' => 9, 'J' => 10, 'K' => 11, 'L' => 12, 'M' => 13,
			'N' => 14, 'O' => 15, 'P' => 16, 'Q' => 17, 'R' => 18, 'S' => 19, 'T' => 20, 'U' => 21, 'V' => 22, 'W' => 23, 'X' => 24, 'Y' => 25, 'Z' => 26,
			'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5, 'f' => 6, 'g' => 7, 'h' => 8, 'i' => 9, 'j' => 10, 'k' => 11, 'l' => 12, 'm' => 13,
			'n' => 14, 'o' => 15, 'p' => 16, 'q' => 17, 'r' => 18, 's' => 19, 't' => 20, 'u' => 21, 'v' => 22, 'w' => 23, 'x' => 24, 'y' => 25, 'z' => 26
		);

		//	We also use the language construct isset() rather than the more costly strlen() function to match the length of $pString
		//		for improved performance
		if (isset($pString{0})) {
			if (!isset($pString{1})) {
				return $_columnLookup[$pString];
			} elseif(!isset($pString{2})) {
				return $_columnLookup[$pString{0}] * 26 + $_columnLookup[$pString{1}];
			} elseif(!isset($pString{3})) {
				return $_columnLookup[$pString{0}] * 676 + $_columnLookup[$pString{1}] * 26 + $_columnLookup[$pString{2}];
			}
		}
		throw new Exception("Column string index can not be " . ((isset($pString{0})) ? "longer than 3 characters" : "empty") . ".");
	}

	/**
	 * String from columnindex
	 *
	 * @param int $pColumnIndex Column index (base 0 !!!)
	 * @return string
	 */
	public static function stringFromColumnIndex($pColumnIndex = 0)
	{
		// Determine column string
		if ($pColumnIndex < 26) {
			return chr(65 + $pColumnIndex);
		} elseif ($pColumnIndex < 702) {
			return chr(64 + ($pColumnIndex / 26)).chr(65 + $pColumnIndex % 26);
		}
		return chr(64 + (($pColumnIndex - 26) / 676)).chr(65 + ((($pColumnIndex - 26) % 676) / 26)).chr(65 + $pColumnIndex % 26);
	}

	/**
	 * Extract all cell references in range
	 *
	 * @param	string	$pRange		Range (e.g. A1 or A1:A10 or A1:A10 A100:A1000)
	 * @return	array	Array containing single cell references
	 */
	public static function extractAllCellReferencesInRange($pRange = 'A1') {
		// Returnvalue
		$returnValue = array();

		// Explode spaces
		$cellBlocks = explode(' ', str_replace('$', '', strtoupper($pRange)));
		foreach ($cellBlocks as $cellBlock) {
			// Single cell?
			if (strpos($cellBlock,':') === false && strpos($cellBlock,',') === false) {
				$returnValue[] = $cellBlock;
				continue;
			}

			// Range...
			$ranges = PHPExcel_Cell::splitRange($cellBlock);
			foreach($ranges as $range) {
				// Single cell?
				if (!isset($range[1])) {
					$returnValue[] = $range[0];
					continue;
				}

				// Range...
				list($rangeStart, $rangeEnd)	= $range;
				list($startCol, $startRow)	= sscanf($rangeStart,'%[A-Z]%d');
				list($endCol, $endRow)		= sscanf($rangeEnd,'%[A-Z]%d');
				$endCol++;

				// Current data
				$currentCol	= $startCol;
				$currentRow	= $startRow;

				// Loop cells
				while ($currentCol != $endCol) {
					while ($currentRow <= $endRow) {
						$returnValue[] = $currentCol.$currentRow;
						++$currentRow;
					}
					++$currentCol;
					$currentRow = $startRow;
				}
			}
		}

		// Return value
		return $returnValue;
	}

	/**
	 * Compare 2 cells
	 *
	 * @param	PHPExcel_Cell	$a	Cell a
	 * @param	PHPExcel_Cell	$a	Cell b
	 * @return	int		Result of comparison (always -1 or 1, never zero!)
	 */
	public static function compareCells(PHPExcel_Cell $a, PHPExcel_Cell $b)
	{
		if ($a->_row < $b->_row) {
			return -1;
		} elseif ($a->_row > $b->_row) {
			return 1;
		} elseif (PHPExcel_Cell::columnIndexFromString($a->_column) < PHPExcel_Cell::columnIndexFromString($b->_column)) {
			return -1;
		} else {
			return 1;
		}
	}

	/**
	 * Get value binder to use
	 *
	 * @return PHPExcel_Cell_IValueBinder
	 */
	public static function getValueBinder() {
		if (is_null(self::$_valueBinder)) {
			self::$_valueBinder = new PHPExcel_Cell_DefaultValueBinder();
		}

		return self::$_valueBinder;
	}

	/**
	 * Set value binder to use
	 *
	 * @param PHPExcel_Cell_IValueBinder $binder
	 * @throws Exception
	 */
	public static function setValueBinder(PHPExcel_Cell_IValueBinder $binder = null) {
		if (is_null($binder)) {
			throw new Exception("A PHPExcel_Cell_IValueBinder is required for PHPExcel to function correctly.");
		}

		self::$_valueBinder = $binder;
	}

	/**
	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
	 */
	public function __clone() {
		$vars = get_object_vars($this);
		foreach ($vars as $key => $value) {
			if ((is_object($value)) && ($key != '_parent')) {
				$this->$key = clone $value;
			} else {
				$this->$key = $value;
			}
		}
	}

	/**
	 * Get index to cellXf
	 *
	 * @return int
	 */
	public function getXfIndex()
	{
		return $this->_xfIndex;
	}

	/**
	 * Set index to cellXf
	 *
	 * @param int $pValue
	 * @return PHPExcel_Cell
	 */
	public function setXfIndex($pValue = 0)
	{
		$this->_xfIndex = $pValue;

		return $this->notifyCacheController();
	}


	public function setFormulaAttributes($pAttributes)
	{
		$this->_formulaAttributes = $pAttributes;
		return $this;
	}

	public function getFormulaAttributes()
	{
		return $this->_formulaAttributes;
	}

}
Back to Top