class PHPExcel_Worksheet_PageSetup in Loft Data Grids 7.2
Same name and namespace in other branches
- 6.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/PageSetup.php \PHPExcel_Worksheet_PageSetup
PHPExcel_Worksheet_PageSetup
<code> Paper size taken from Office Open XML Part 4 - Markup Language Reference, page 1988:
1 = Letter paper (8.5 in. by 11 in.) 2 = Letter small paper (8.5 in. by 11 in.) 3 = Tabloid paper (11 in. by 17 in.) 4 = Ledger paper (17 in. by 11 in.) 5 = Legal paper (8.5 in. by 14 in.) 6 = Statement paper (5.5 in. by 8.5 in.) 7 = Executive paper (7.25 in. by 10.5 in.) 8 = A3 paper (297 mm by 420 mm) 9 = A4 paper (210 mm by 297 mm) 10 = A4 small paper (210 mm by 297 mm) 11 = A5 paper (148 mm by 210 mm) 12 = B4 paper (250 mm by 353 mm) 13 = B5 paper (176 mm by 250 mm) 14 = Folio paper (8.5 in. by 13 in.) 15 = Quarto paper (215 mm by 275 mm) 16 = Standard paper (10 in. by 14 in.) 17 = Standard paper (11 in. by 17 in.) 18 = Note paper (8.5 in. by 11 in.) 19 = #9 envelope (3.875 in. by 8.875 in.) 20 = #10 envelope (4.125 in. by 9.5 in.) 21 = #11 envelope (4.5 in. by 10.375 in.) 22 = #12 envelope (4.75 in. by 11 in.) 23 = #14 envelope (5 in. by 11.5 in.) 24 = C paper (17 in. by 22 in.) 25 = D paper (22 in. by 34 in.) 26 = E paper (34 in. by 44 in.) 27 = DL envelope (110 mm by 220 mm) 28 = C5 envelope (162 mm by 229 mm) 29 = C3 envelope (324 mm by 458 mm) 30 = C4 envelope (229 mm by 324 mm) 31 = C6 envelope (114 mm by 162 mm) 32 = C65 envelope (114 mm by 229 mm) 33 = B4 envelope (250 mm by 353 mm) 34 = B5 envelope (176 mm by 250 mm) 35 = B6 envelope (176 mm by 125 mm) 36 = Italy envelope (110 mm by 230 mm) 37 = Monarch envelope (3.875 in. by 7.5 in.). 38 = 6 3/4 envelope (3.625 in. by 6.5 in.) 39 = US standard fanfold (14.875 in. by 11 in.) 40 = German standard fanfold (8.5 in. by 12 in.) 41 = German legal fanfold (8.5 in. by 13 in.) 42 = ISO B4 (250 mm by 353 mm) 43 = Japanese double postcard (200 mm by 148 mm) 44 = Standard paper (9 in. by 11 in.) 45 = Standard paper (10 in. by 11 in.) 46 = Standard paper (15 in. by 11 in.) 47 = Invite envelope (220 mm by 220 mm) 50 = Letter extra paper (9.275 in. by 12 in.) 51 = Legal extra paper (9.275 in. by 15 in.) 52 = Tabloid extra paper (11.69 in. by 18 in.) 53 = A4 extra paper (236 mm by 322 mm) 54 = Letter transverse paper (8.275 in. by 11 in.) 55 = A4 transverse paper (210 mm by 297 mm) 56 = Letter extra transverse paper (9.275 in. by 12 in.) 57 = SuperA/SuperA/A4 paper (227 mm by 356 mm) 58 = SuperB/SuperB/A3 paper (305 mm by 487 mm) 59 = Letter plus paper (8.5 in. by 12.69 in.) 60 = A4 plus paper (210 mm by 330 mm) 61 = A5 transverse paper (148 mm by 210 mm) 62 = JIS B5 transverse paper (182 mm by 257 mm) 63 = A3 extra paper (322 mm by 445 mm) 64 = A5 extra paper (174 mm by 235 mm) 65 = ISO B5 extra paper (201 mm by 276 mm) 66 = A2 paper (420 mm by 594 mm) 67 = A3 transverse paper (297 mm by 420 mm) 68 = A3 extra transverse paper (322 mm by 445 mm) </code>
@category PHPExcel @package PHPExcel_Worksheet @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
Hierarchy
- class \PHPExcel_Worksheet_PageSetup
Expanded class hierarchy of PHPExcel_Worksheet_PageSetup
File
- vendor/
phpoffice/ phpexcel/ Classes/ PHPExcel/ Worksheet/ PageSetup.php, line 107
View source
class PHPExcel_Worksheet_PageSetup {
/* Paper size */
const PAPERSIZE_LETTER = 1;
const PAPERSIZE_LETTER_SMALL = 2;
const PAPERSIZE_TABLOID = 3;
const PAPERSIZE_LEDGER = 4;
const PAPERSIZE_LEGAL = 5;
const PAPERSIZE_STATEMENT = 6;
const PAPERSIZE_EXECUTIVE = 7;
const PAPERSIZE_A3 = 8;
const PAPERSIZE_A4 = 9;
const PAPERSIZE_A4_SMALL = 10;
const PAPERSIZE_A5 = 11;
const PAPERSIZE_B4 = 12;
const PAPERSIZE_B5 = 13;
const PAPERSIZE_FOLIO = 14;
const PAPERSIZE_QUARTO = 15;
const PAPERSIZE_STANDARD_1 = 16;
const PAPERSIZE_STANDARD_2 = 17;
const PAPERSIZE_NOTE = 18;
const PAPERSIZE_NO9_ENVELOPE = 19;
const PAPERSIZE_NO10_ENVELOPE = 20;
const PAPERSIZE_NO11_ENVELOPE = 21;
const PAPERSIZE_NO12_ENVELOPE = 22;
const PAPERSIZE_NO14_ENVELOPE = 23;
const PAPERSIZE_C = 24;
const PAPERSIZE_D = 25;
const PAPERSIZE_E = 26;
const PAPERSIZE_DL_ENVELOPE = 27;
const PAPERSIZE_C5_ENVELOPE = 28;
const PAPERSIZE_C3_ENVELOPE = 29;
const PAPERSIZE_C4_ENVELOPE = 30;
const PAPERSIZE_C6_ENVELOPE = 31;
const PAPERSIZE_C65_ENVELOPE = 32;
const PAPERSIZE_B4_ENVELOPE = 33;
const PAPERSIZE_B5_ENVELOPE = 34;
const PAPERSIZE_B6_ENVELOPE = 35;
const PAPERSIZE_ITALY_ENVELOPE = 36;
const PAPERSIZE_MONARCH_ENVELOPE = 37;
const PAPERSIZE_6_3_4_ENVELOPE = 38;
const PAPERSIZE_US_STANDARD_FANFOLD = 39;
const PAPERSIZE_GERMAN_STANDARD_FANFOLD = 40;
const PAPERSIZE_GERMAN_LEGAL_FANFOLD = 41;
const PAPERSIZE_ISO_B4 = 42;
const PAPERSIZE_JAPANESE_DOUBLE_POSTCARD = 43;
const PAPERSIZE_STANDARD_PAPER_1 = 44;
const PAPERSIZE_STANDARD_PAPER_2 = 45;
const PAPERSIZE_STANDARD_PAPER_3 = 46;
const PAPERSIZE_INVITE_ENVELOPE = 47;
const PAPERSIZE_LETTER_EXTRA_PAPER = 48;
const PAPERSIZE_LEGAL_EXTRA_PAPER = 49;
const PAPERSIZE_TABLOID_EXTRA_PAPER = 50;
const PAPERSIZE_A4_EXTRA_PAPER = 51;
const PAPERSIZE_LETTER_TRANSVERSE_PAPER = 52;
const PAPERSIZE_A4_TRANSVERSE_PAPER = 53;
const PAPERSIZE_LETTER_EXTRA_TRANSVERSE_PAPER = 54;
const PAPERSIZE_SUPERA_SUPERA_A4_PAPER = 55;
const PAPERSIZE_SUPERB_SUPERB_A3_PAPER = 56;
const PAPERSIZE_LETTER_PLUS_PAPER = 57;
const PAPERSIZE_A4_PLUS_PAPER = 58;
const PAPERSIZE_A5_TRANSVERSE_PAPER = 59;
const PAPERSIZE_JIS_B5_TRANSVERSE_PAPER = 60;
const PAPERSIZE_A3_EXTRA_PAPER = 61;
const PAPERSIZE_A5_EXTRA_PAPER = 62;
const PAPERSIZE_ISO_B5_EXTRA_PAPER = 63;
const PAPERSIZE_A2_PAPER = 64;
const PAPERSIZE_A3_TRANSVERSE_PAPER = 65;
const PAPERSIZE_A3_EXTRA_TRANSVERSE_PAPER = 66;
/* Page orientation */
const ORIENTATION_DEFAULT = 'default';
const ORIENTATION_LANDSCAPE = 'landscape';
const ORIENTATION_PORTRAIT = 'portrait';
/* Print Range Set Method */
const SETPRINTRANGE_OVERWRITE = 'O';
const SETPRINTRANGE_INSERT = 'I';
/**
* Paper size
*
* @var int
*/
private $_paperSize = PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER;
/**
* Orientation
*
* @var string
*/
private $_orientation = PHPExcel_Worksheet_PageSetup::ORIENTATION_DEFAULT;
/**
* Scale (Print Scale)
*
* Print scaling. Valid values range from 10 to 400
* This setting is overridden when fitToWidth and/or fitToHeight are in use
*
* @var int?
*/
private $_scale = 100;
/**
* Fit To Page
* Whether scale or fitToWith / fitToHeight applies
*
* @var boolean
*/
private $_fitToPage = FALSE;
/**
* Fit To Height
* Number of vertical pages to fit on
*
* @var int?
*/
private $_fitToHeight = 1;
/**
* Fit To Width
* Number of horizontal pages to fit on
*
* @var int?
*/
private $_fitToWidth = 1;
/**
* Columns to repeat at left
*
* @var array Containing start column and end column, empty array if option unset
*/
private $_columnsToRepeatAtLeft = array(
'',
'',
);
/**
* Rows to repeat at top
*
* @var array Containing start row number and end row number, empty array if option unset
*/
private $_rowsToRepeatAtTop = array(
0,
0,
);
/**
* Center page horizontally
*
* @var boolean
*/
private $_horizontalCentered = FALSE;
/**
* Center page vertically
*
* @var boolean
*/
private $_verticalCentered = FALSE;
/**
* Print area
*
* @var string
*/
private $_printArea = NULL;
/**
* First page number
*
* @var int
*/
private $_firstPageNumber = NULL;
/**
* Create a new PHPExcel_Worksheet_PageSetup
*/
public function __construct() {
}
/**
* Get Paper Size
*
* @return int
*/
public function getPaperSize() {
return $this->_paperSize;
}
/**
* Set Paper Size
*
* @param int $pValue
* @return PHPExcel_Worksheet_PageSetup
*/
public function setPaperSize($pValue = PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER) {
$this->_paperSize = $pValue;
return $this;
}
/**
* Get Orientation
*
* @return string
*/
public function getOrientation() {
return $this->_orientation;
}
/**
* Set Orientation
*
* @param string $pValue
* @return PHPExcel_Worksheet_PageSetup
*/
public function setOrientation($pValue = PHPExcel_Worksheet_PageSetup::ORIENTATION_DEFAULT) {
$this->_orientation = $pValue;
return $this;
}
/**
* Get Scale
*
* @return int?
*/
public function getScale() {
return $this->_scale;
}
/**
* Set Scale
*
* Print scaling. Valid values range from 10 to 400
* This setting is overridden when fitToWidth and/or fitToHeight are in use
*
* @param int? $pValue
* @param boolean $pUpdate Update fitToPage so scaling applies rather than fitToHeight / fitToWidth
* @return PHPExcel_Worksheet_PageSetup
* @throws PHPExcel_Exception
*/
public function setScale($pValue = 100, $pUpdate = true) {
// Microsoft Office Excel 2007 only allows setting a scale between 10 and 400 via the user interface,
// but it is apparently still able to handle any scale >= 0, where 0 results in 100
if ($pValue >= 0 || is_null($pValue)) {
$this->_scale = $pValue;
if ($pUpdate) {
$this->_fitToPage = false;
}
}
else {
throw new PHPExcel_Exception("Scale must not be negative");
}
return $this;
}
/**
* Get Fit To Page
*
* @return boolean
*/
public function getFitToPage() {
return $this->_fitToPage;
}
/**
* Set Fit To Page
*
* @param boolean $pValue
* @return PHPExcel_Worksheet_PageSetup
*/
public function setFitToPage($pValue = TRUE) {
$this->_fitToPage = $pValue;
return $this;
}
/**
* Get Fit To Height
*
* @return int?
*/
public function getFitToHeight() {
return $this->_fitToHeight;
}
/**
* Set Fit To Height
*
* @param int? $pValue
* @param boolean $pUpdate Update fitToPage so it applies rather than scaling
* @return PHPExcel_Worksheet_PageSetup
*/
public function setFitToHeight($pValue = 1, $pUpdate = TRUE) {
$this->_fitToHeight = $pValue;
if ($pUpdate) {
$this->_fitToPage = TRUE;
}
return $this;
}
/**
* Get Fit To Width
*
* @return int?
*/
public function getFitToWidth() {
return $this->_fitToWidth;
}
/**
* Set Fit To Width
*
* @param int? $pValue
* @param boolean $pUpdate Update fitToPage so it applies rather than scaling
* @return PHPExcel_Worksheet_PageSetup
*/
public function setFitToWidth($pValue = 1, $pUpdate = TRUE) {
$this->_fitToWidth = $pValue;
if ($pUpdate) {
$this->_fitToPage = TRUE;
}
return $this;
}
/**
* Is Columns to repeat at left set?
*
* @return boolean
*/
public function isColumnsToRepeatAtLeftSet() {
if (is_array($this->_columnsToRepeatAtLeft)) {
if ($this->_columnsToRepeatAtLeft[0] != '' && $this->_columnsToRepeatAtLeft[1] != '') {
return true;
}
}
return false;
}
/**
* Get Columns to repeat at left
*
* @return array Containing start column and end column, empty array if option unset
*/
public function getColumnsToRepeatAtLeft() {
return $this->_columnsToRepeatAtLeft;
}
/**
* Set Columns to repeat at left
*
* @param array $pValue Containing start column and end column, empty array if option unset
* @return PHPExcel_Worksheet_PageSetup
*/
public function setColumnsToRepeatAtLeft($pValue = null) {
if (is_array($pValue)) {
$this->_columnsToRepeatAtLeft = $pValue;
}
return $this;
}
/**
* Set Columns to repeat at left by start and end
*
* @param string $pStart
* @param string $pEnd
* @return PHPExcel_Worksheet_PageSetup
*/
public function setColumnsToRepeatAtLeftByStartAndEnd($pStart = 'A', $pEnd = 'A') {
$this->_columnsToRepeatAtLeft = array(
$pStart,
$pEnd,
);
return $this;
}
/**
* Is Rows to repeat at top set?
*
* @return boolean
*/
public function isRowsToRepeatAtTopSet() {
if (is_array($this->_rowsToRepeatAtTop)) {
if ($this->_rowsToRepeatAtTop[0] != 0 && $this->_rowsToRepeatAtTop[1] != 0) {
return true;
}
}
return false;
}
/**
* Get Rows to repeat at top
*
* @return array Containing start column and end column, empty array if option unset
*/
public function getRowsToRepeatAtTop() {
return $this->_rowsToRepeatAtTop;
}
/**
* Set Rows to repeat at top
*
* @param array $pValue Containing start column and end column, empty array if option unset
* @return PHPExcel_Worksheet_PageSetup
*/
public function setRowsToRepeatAtTop($pValue = null) {
if (is_array($pValue)) {
$this->_rowsToRepeatAtTop = $pValue;
}
return $this;
}
/**
* Set Rows to repeat at top by start and end
*
* @param int $pStart
* @param int $pEnd
* @return PHPExcel_Worksheet_PageSetup
*/
public function setRowsToRepeatAtTopByStartAndEnd($pStart = 1, $pEnd = 1) {
$this->_rowsToRepeatAtTop = array(
$pStart,
$pEnd,
);
return $this;
}
/**
* Get center page horizontally
*
* @return bool
*/
public function getHorizontalCentered() {
return $this->_horizontalCentered;
}
/**
* Set center page horizontally
*
* @param bool $value
* @return PHPExcel_Worksheet_PageSetup
*/
public function setHorizontalCentered($value = false) {
$this->_horizontalCentered = $value;
return $this;
}
/**
* Get center page vertically
*
* @return bool
*/
public function getVerticalCentered() {
return $this->_verticalCentered;
}
/**
* Set center page vertically
*
* @param bool $value
* @return PHPExcel_Worksheet_PageSetup
*/
public function setVerticalCentered($value = false) {
$this->_verticalCentered = $value;
return $this;
}
/**
* Get print area
*
* @param int $index Identifier for a specific print area range if several ranges have been set
* Default behaviour, or a index value of 0, will return all ranges as a comma-separated string
* Otherwise, the specific range identified by the value of $index will be returned
* Print areas are numbered from 1
* @throws PHPExcel_Exception
* @return string
*/
public function getPrintArea($index = 0) {
if ($index == 0) {
return $this->_printArea;
}
$printAreas = explode(',', $this->_printArea);
if (isset($printAreas[$index - 1])) {
return $printAreas[$index - 1];
}
throw new PHPExcel_Exception("Requested Print Area does not exist");
}
/**
* Is print area set?
*
* @param int $index Identifier for a specific print area range if several ranges have been set
* Default behaviour, or an index value of 0, will identify whether any print range is set
* Otherwise, existence of the range identified by the value of $index will be returned
* Print areas are numbered from 1
* @return boolean
*/
public function isPrintAreaSet($index = 0) {
if ($index == 0) {
return !is_null($this->_printArea);
}
$printAreas = explode(',', $this->_printArea);
return isset($printAreas[$index - 1]);
}
/**
* Clear a print area
*
* @param int $index Identifier for a specific print area range if several ranges have been set
* Default behaviour, or an index value of 0, will clear all print ranges that are set
* Otherwise, the range identified by the value of $index will be removed from the series
* Print areas are numbered from 1
* @return PHPExcel_Worksheet_PageSetup
*/
public function clearPrintArea($index = 0) {
if ($index == 0) {
$this->_printArea = NULL;
}
else {
$printAreas = explode(',', $this->_printArea);
if (isset($printAreas[$index - 1])) {
unset($printAreas[$index - 1]);
$this->_printArea = implode(',', $printAreas);
}
}
return $this;
}
/**
* Set print area. e.g. 'A1:D10' or 'A1:D10,G5:M20'
*
* @param string $value
* @param int $index Identifier for a specific print area range allowing several ranges to be set
* When the method is "O"verwrite, then a positive integer index will overwrite that indexed
* entry in the print areas list; a negative index value will identify which entry to
* overwrite working bacward through the print area to the list, with the last entry as -1.
* Specifying an index value of 0, will overwrite <b>all</b> existing print ranges.
* When the method is "I"nsert, then a positive index will insert after that indexed entry in
* the print areas list, while a negative index will insert before the indexed entry.
* Specifying an index value of 0, will always append the new print range at the end of the
* list.
* Print areas are numbered from 1
* @param string $method Determines the method used when setting multiple print areas
* Default behaviour, or the "O" method, overwrites existing print area
* The "I" method, inserts the new print area before any specified index, or at the end of the list
* @return PHPExcel_Worksheet_PageSetup
* @throws PHPExcel_Exception
*/
public function setPrintArea($value, $index = 0, $method = self::SETPRINTRANGE_OVERWRITE) {
if (strpos($value, '!') !== false) {
throw new PHPExcel_Exception('Cell coordinate must not specify a worksheet.');
}
elseif (strpos($value, ':') === false) {
throw new PHPExcel_Exception('Cell coordinate must be a range of cells.');
}
elseif (strpos($value, '$') !== false) {
throw new PHPExcel_Exception('Cell coordinate must not be absolute.');
}
$value = strtoupper($value);
if ($method == self::SETPRINTRANGE_OVERWRITE) {
if ($index == 0) {
$this->_printArea = $value;
}
else {
$printAreas = explode(',', $this->_printArea);
if ($index < 0) {
$index = count($printAreas) - abs($index) + 1;
}
if ($index <= 0 || $index > count($printAreas)) {
throw new PHPExcel_Exception('Invalid index for setting print range.');
}
$printAreas[$index - 1] = $value;
$this->_printArea = implode(',', $printAreas);
}
}
elseif ($method == self::SETPRINTRANGE_INSERT) {
if ($index == 0) {
$this->_printArea .= $this->_printArea == '' ? $value : ',' . $value;
}
else {
$printAreas = explode(',', $this->_printArea);
if ($index < 0) {
$index = abs($index) - 1;
}
if ($index > count($printAreas)) {
throw new PHPExcel_Exception('Invalid index for setting print range.');
}
$printAreas = array_merge(array_slice($printAreas, 0, $index), array(
$value,
), array_slice($printAreas, $index));
$this->_printArea = implode(',', $printAreas);
}
}
else {
throw new PHPExcel_Exception('Invalid method for setting print range.');
}
return $this;
}
/**
* Add a new print area (e.g. 'A1:D10' or 'A1:D10,G5:M20') to the list of print areas
*
* @param string $value
* @param int $index Identifier for a specific print area range allowing several ranges to be set
* A positive index will insert after that indexed entry in the print areas list, while a
* negative index will insert before the indexed entry.
* Specifying an index value of 0, will always append the new print range at the end of the
* list.
* Print areas are numbered from 1
* @return PHPExcel_Worksheet_PageSetup
* @throws PHPExcel_Exception
*/
public function addPrintArea($value, $index = -1) {
return $this
->setPrintArea($value, $index, self::SETPRINTRANGE_INSERT);
}
/**
* Set print area
*
* @param int $column1 Column 1
* @param int $row1 Row 1
* @param int $column2 Column 2
* @param int $row2 Row 2
* @param int $index Identifier for a specific print area range allowing several ranges to be set
* When the method is "O"verwrite, then a positive integer index will overwrite that indexed
* entry in the print areas list; a negative index value will identify which entry to
* overwrite working bacward through the print area to the list, with the last entry as -1.
* Specifying an index value of 0, will overwrite <b>all</b> existing print ranges.
* When the method is "I"nsert, then a positive index will insert after that indexed entry in
* the print areas list, while a negative index will insert before the indexed entry.
* Specifying an index value of 0, will always append the new print range at the end of the
* list.
* Print areas are numbered from 1
* @param string $method Determines the method used when setting multiple print areas
* Default behaviour, or the "O" method, overwrites existing print area
* The "I" method, inserts the new print area before any specified index, or at the end of the list
* @return PHPExcel_Worksheet_PageSetup
* @throws PHPExcel_Exception
*/
public function setPrintAreaByColumnAndRow($column1, $row1, $column2, $row2, $index = 0, $method = self::SETPRINTRANGE_OVERWRITE) {
return $this
->setPrintArea(PHPExcel_Cell::stringFromColumnIndex($column1) . $row1 . ':' . PHPExcel_Cell::stringFromColumnIndex($column2) . $row2, $index, $method);
}
/**
* Add a new print area to the list of print areas
*
* @param int $column1 Start Column for the print area
* @param int $row1 Start Row for the print area
* @param int $column2 End Column for the print area
* @param int $row2 End Row for the print area
* @param int $index Identifier for a specific print area range allowing several ranges to be set
* A positive index will insert after that indexed entry in the print areas list, while a
* negative index will insert before the indexed entry.
* Specifying an index value of 0, will always append the new print range at the end of the
* list.
* Print areas are numbered from 1
* @return PHPExcel_Worksheet_PageSetup
* @throws PHPExcel_Exception
*/
public function addPrintAreaByColumnAndRow($column1, $row1, $column2, $row2, $index = -1) {
return $this
->setPrintArea(PHPExcel_Cell::stringFromColumnIndex($column1) . $row1 . ':' . PHPExcel_Cell::stringFromColumnIndex($column2) . $row2, $index, self::SETPRINTRANGE_INSERT);
}
/**
* Get first page number
*
* @return int
*/
public function getFirstPageNumber() {
return $this->_firstPageNumber;
}
/**
* Set first page number
*
* @param int $value
* @return PHPExcel_Worksheet_HeaderFooter
*/
public function setFirstPageNumber($value = null) {
$this->_firstPageNumber = $value;
return $this;
}
/**
* Reset first page number
*
* @return PHPExcel_Worksheet_HeaderFooter
*/
public function resetFirstPageNumber() {
return $this
->setFirstPageNumber(null);
}
/**
* 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)) {
$this->{$key} = clone $value;
}
else {
$this->{$key} = $value;
}
}
}
}