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<?php
namespace PhpOffice\PhpSpreadsheet\Worksheet;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
/**
* <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>
*/
class 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';
const PAGEORDER_OVER_THEN_DOWN = 'overThenDown';
const PAGEORDER_DOWN_THEN_OVER = 'downThenOver';
/**
* Paper size default.
*
* @var int
*/
private static $paperSizeDefault = self::PAPERSIZE_LETTER;
/**
* Paper size.
*
* @var ?int
*/
private $paperSize;
/**
* Orientation default.
*
* @var string
*/
private static $orientationDefault = self::ORIENTATION_DEFAULT;
/**
* Orientation.
*
* @var string
*/
private $orientation;
/**
* 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 null|int
*/
private $scale = 100;
/**
* Fit To Page
* Whether scale or fitToWith / fitToHeight applies.
*
* @var bool
*/
private $fitToPage = false;
/**
* Fit To Height
* Number of vertical pages to fit on.
*
* @var null|int
*/
private $fitToHeight = 1;
/**
* Fit To Width
* Number of horizontal pages to fit on.
*
* @var null|int
*/
private $fitToWidth = 1;
/**
* Columns to repeat at left.
*
* @var array Containing start column and end column, empty array if option unset
*/
private $columnsToRepeatAtLeft = ['', ''];
/**
* Rows to repeat at top.
*
* @var array Containing start row number and end row number, empty array if option unset
*/
private $rowsToRepeatAtTop = [0, 0];
/**
* Center page horizontally.
*
* @var bool
*/
private $horizontalCentered = false;
/**
* Center page vertically.
*
* @var bool
*/
private $verticalCentered = false;
/**
* Print area.
*
* @var null|string
*/
private $printArea;
/**
* First page number.
*
* @var ?int
*/
private $firstPageNumber;
/** @var string */
private $pageOrder = self::PAGEORDER_DOWN_THEN_OVER;
/**
* Create a new PageSetup.
*/
public function __construct()
{
$this->orientation = self::$orientationDefault;
}
/**
* Get Paper Size.
*
* @return int
*/
public function getPaperSize()
{
return $this->paperSize ?? self::$paperSizeDefault;
}
/**
* Set Paper Size.
*
* @param int $paperSize see self::PAPERSIZE_*
*
* @return $this
*/
public function setPaperSize($paperSize)
{
$this->paperSize = $paperSize;
return $this;
}
/**
* Get Paper Size default.
*/
public static function getPaperSizeDefault(): int
{
return self::$paperSizeDefault;
}
/**
* Set Paper Size Default.
*/
public static function setPaperSizeDefault(int $paperSize): void
{
self::$paperSizeDefault = $paperSize;
}
/**
* Get Orientation.
*
* @return string
*/
public function getOrientation()
{
return $this->orientation;
}
/**
* Set Orientation.
*
* @param string $orientation see self::ORIENTATION_*
*
* @return $this
*/
public function setOrientation($orientation)
{
if ($orientation === self::ORIENTATION_LANDSCAPE || $orientation === self::ORIENTATION_PORTRAIT || $orientation === self::ORIENTATION_DEFAULT) {
$this->orientation = $orientation;
}
return $this;
}
public static function getOrientationDefault(): string
{
return self::$orientationDefault;
}
public static function setOrientationDefault(string $orientation): void
{
if ($orientation === self::ORIENTATION_LANDSCAPE || $orientation === self::ORIENTATION_PORTRAIT || $orientation === self::ORIENTATION_DEFAULT) {
self::$orientationDefault = $orientation;
}
}
/**
* Get Scale.
*
* @return null|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 null|int $scale
* @param bool $update Update fitToPage so scaling applies rather than fitToHeight / fitToWidth
*
* @return $this
*/
public function setScale($scale, $update = true)
{
// Microsoft Office Excel 2007 only allows setting a scale between 10 and 400 via the user interface,
// but it is apparently still able to handle any scale >= 0, where 0 results in 100
if ($scale === null || $scale >= 0) {
$this->scale = $scale;
if ($update) {
$this->fitToPage = false;
}
} else {
throw new PhpSpreadsheetException('Scale must not be negative');
}
return $this;
}
/**
* Get Fit To Page.
*
* @return bool
*/
public function getFitToPage()
{
return $this->fitToPage;
}
/**
* Set Fit To Page.
*
* @param bool $fitToPage
*
* @return $this
*/
public function setFitToPage($fitToPage)
{
$this->fitToPage = $fitToPage;
return $this;
}
/**
* Get Fit To Height.
*
* @return null|int
*/
public function getFitToHeight()
{
return $this->fitToHeight;
}
/**
* Set Fit To Height.
*
* @param null|int $fitToHeight
* @param bool $update Update fitToPage so it applies rather than scaling
*
* @return $this
*/
public function setFitToHeight($fitToHeight, $update = true)
{
$this->fitToHeight = $fitToHeight;
if ($update) {
$this->fitToPage = true;
}
return $this;
}
/**
* Get Fit To Width.
*
* @return null|int
*/
public function getFitToWidth()
{
return $this->fitToWidth;
}
/**
* Set Fit To Width.
*
* @param null|int $value
* @param bool $update Update fitToPage so it applies rather than scaling
*
* @return $this
*/
public function setFitToWidth($value, $update = true)
{
$this->fitToWidth = $value;
if ($update) {
$this->fitToPage = true;
}
return $this;
}
/**
* Is Columns to repeat at left set?
*
* @return bool
*/
public function isColumnsToRepeatAtLeftSet()
{
if (!empty($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 $columnsToRepeatAtLeft Containing start column and end column, empty array if option unset
*
* @return $this
*/
public function setColumnsToRepeatAtLeft(array $columnsToRepeatAtLeft)
{
$this->columnsToRepeatAtLeft = $columnsToRepeatAtLeft;
return $this;
}
/**
* Set Columns to repeat at left by start and end.
*
* @param string $start eg: 'A'
* @param string $end eg: 'B'
*
* @return $this
*/
public function setColumnsToRepeatAtLeftByStartAndEnd($start, $end)
{
$this->columnsToRepeatAtLeft = [$start, $end];
return $this;
}
/**
* Is Rows to repeat at top set?
*
* @return bool
*/
public function isRowsToRepeatAtTopSet()
{
if (!empty($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 $rowsToRepeatAtTop Containing start column and end column, empty array if option unset
*
* @return $this
*/
public function setRowsToRepeatAtTop(array $rowsToRepeatAtTop)
{
$this->rowsToRepeatAtTop = $rowsToRepeatAtTop;
return $this;
}
/**
* Set Rows to repeat at top by start and end.
*
* @param int $start eg: 1
* @param int $end eg: 1
*
* @return $this
*/
public function setRowsToRepeatAtTopByStartAndEnd($start, $end)
{
$this->rowsToRepeatAtTop = [$start, $end];
return $this;
}
/**
* Get center page horizontally.
*
* @return bool
*/
public function getHorizontalCentered()
{
return $this->horizontalCentered;
}
/**
* Set center page horizontally.
*
* @param bool $value
*
* @return $this
*/
public function setHorizontalCentered($value)
{
$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 $this
*/
public function setVerticalCentered($value)
{
$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 $index will be returned
* Print areas are numbered from 1
*
* @return string
*/
public function getPrintArea($index = 0)
{
if ($index == 0) {
return (string) $this->printArea;
}
$printAreas = explode(',', (string) $this->printArea);
if (isset($printAreas[$index - 1])) {
return $printAreas[$index - 1];
}
throw new PhpSpreadsheetException('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 $index will be returned
* Print areas are numbered from 1
*
* @return bool
*/
public function isPrintAreaSet($index = 0)
{
if ($index == 0) {
return $this->printArea !== null;
}
$printAreas = explode(',', (string) $this->printArea);
return isset($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 $this
*/
public function clearPrintArea($index = 0)
{
if ($index == 0) {
$this->printArea = null;
} else {
$printAreas = explode(',', (string) $this->printArea);
if (isset($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 $this
*/
public function setPrintArea($value, $index = 0, $method = self::SETPRINTRANGE_OVERWRITE)
{
if (strpos($value, '!') !== false) {
throw new PhpSpreadsheetException('Cell coordinate must not specify a worksheet.');
} elseif (strpos($value, ':') === false) {
throw new PhpSpreadsheetException('Cell coordinate must be a range of cells.');
} elseif (strpos($value, '$') !== false) {
throw new PhpSpreadsheetException('Cell coordinate must not be absolute.');
}
$value = strtoupper($value);
if (!$this->printArea) {
$index = 0;
}
if ($method == self::SETPRINTRANGE_OVERWRITE) {
if ($index == 0) {
$this->printArea = $value;
} else {
$printAreas = explode(',', (string) $this->printArea);
if ($index < 0) {
$index = count($printAreas) - abs($index) + 1;
}
if (($index <= 0) || ($index > count($printAreas))) {
throw new PhpSpreadsheetException('Invalid index for setting print range.');
}
$printAreas[$index - 1] = $value;
$this->printArea = implode(',', $printAreas);
}
} elseif ($method == self::SETPRINTRANGE_INSERT) {
if ($index == 0) {
$this->printArea = $this->printArea ? ($this->printArea . ',' . $value) : $value;
} else {
$printAreas = explode(',', (string) $this->printArea);
if ($index < 0) {
$index = (int) abs($index) - 1;
}
if ($index > count($printAreas)) {
throw new PhpSpreadsheetException('Invalid index for setting print range.');
}
$printAreas = array_merge(array_slice($printAreas, 0, $index), [$value], array_slice($printAreas, $index));
$this->printArea = implode(',', $printAreas);
}
} else {
throw new PhpSpreadsheetException('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 $this
*/
public function addPrintArea($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 backward 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 $this
*/
public function setPrintAreaByColumnAndRow($column1, $row1, $column2, $row2, $index = 0, $method = self::SETPRINTRANGE_OVERWRITE)
{
return $this->setPrintArea(
Coordinate::stringFromColumnIndex($column1) . $row1 . ':' . Coordinate::stringFromColumnIndex($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 $this
*/
public function addPrintAreaByColumnAndRow($column1, $row1, $column2, $row2, $index = -1)
{
return $this->setPrintArea(
Coordinate::stringFromColumnIndex($column1) . $row1 . ':' . Coordinate::stringFromColumnIndex($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 $this
*/
public function setFirstPageNumber($value)
{
$this->firstPageNumber = $value;
return $this;
}
/**
* Reset first page number.
*
* @return $this
*/
public function resetFirstPageNumber()
{
return $this->setFirstPageNumber(null);
}
public function getPageOrder(): string
{
return $this->pageOrder;
}
public function setPageOrder(?string $pageOrder): self
{
if ($pageOrder === null || $pageOrder === self::PAGEORDER_DOWN_THEN_OVER || $pageOrder === self::PAGEORDER_OVER_THEN_DOWN) {
$this->pageOrder = $pageOrder ?? self::PAGEORDER_DOWN_THEN_OVER;
}
return $this;
}
/**
* 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;
}
}
}
}
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