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<?php |
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namespace Box\Spout\Reader\ODS\Helper; |
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/** |
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* Class CellValueFormatter |
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* This class provides helper functions to format cell values |
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* |
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* @package Box\Spout\Reader\ODS\Helper |
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*/ |
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class CellValueFormatter |
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{ |
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/** Definition of all possible cell types */ |
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const CELL_TYPE_STRING = 'string'; |
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const CELL_TYPE_FLOAT = 'float'; |
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const CELL_TYPE_BOOLEAN = 'boolean'; |
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const CELL_TYPE_DATE = 'date'; |
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const CELL_TYPE_TIME = 'time'; |
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const CELL_TYPE_CURRENCY = 'currency'; |
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const CELL_TYPE_PERCENTAGE = 'percentage'; |
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const CELL_TYPE_VOID = 'void'; |
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/** Definition of XML nodes names used to parse data */ |
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const XML_NODE_P = 'p'; |
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const XML_NODE_S = 'text:s'; |
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const XML_NODE_A = 'text:a'; |
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const XML_NODE_SPAN = 'text:span'; |
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/** Definition of XML attribute used to parse data */ |
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const XML_ATTRIBUTE_TYPE = 'office:value-type'; |
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const XML_ATTRIBUTE_VALUE = 'office:value'; |
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const XML_ATTRIBUTE_BOOLEAN_VALUE = 'office:boolean-value'; |
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const XML_ATTRIBUTE_DATE_VALUE = 'office:date-value'; |
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const XML_ATTRIBUTE_TIME_VALUE = 'office:time-value'; |
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const XML_ATTRIBUTE_CURRENCY = 'office:currency'; |
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const XML_ATTRIBUTE_C = 'text:c'; |
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/** @var bool Whether date/time values should be returned as PHP objects or be formatted as strings */ |
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protected $shouldFormatDates; |
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/** @var \Box\Spout\Common\Escaper\ODS Used to unescape XML data */ |
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protected $escaper; |
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/** |
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* @param bool $shouldFormatDates Whether date/time values should be returned as PHP objects or be formatted as strings |
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*/ |
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public function __construct($shouldFormatDates) |
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{ |
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$this->shouldFormatDates = $shouldFormatDates; |
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/** @noinspection PhpUnnecessaryFullyQualifiedNameInspection */ |
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$this->escaper = \Box\Spout\Common\Escaper\ODS::getInstance(); |
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} |
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/** |
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* Returns the (unescaped) correctly marshalled, cell value associated to the given XML node. |
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* @see http://docs.oasis-open.org/office/v1.2/os/OpenDocument-v1.2-os-part1.html#refTable13 |
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* |
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* @param \DOMNode $node |
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* @return string|int|float|bool|\DateTime|\DateInterval|null The value associated with the cell, empty string if cell's type is void/undefined, null on error |
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*/ |
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public function extractAndFormatNodeValue($node) |
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{ |
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$cellType = $node->getAttribute(self::XML_ATTRIBUTE_TYPE); |
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switch ($cellType) { |
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case self::CELL_TYPE_STRING: |
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return $this->formatStringCellValue($node); |
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case self::CELL_TYPE_FLOAT: |
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return $this->formatFloatCellValue($node); |
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case self::CELL_TYPE_BOOLEAN: |
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return $this->formatBooleanCellValue($node); |
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case self::CELL_TYPE_DATE: |
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return $this->formatDateCellValue($node); |
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case self::CELL_TYPE_TIME: |
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return $this->formatTimeCellValue($node); |
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case self::CELL_TYPE_CURRENCY: |
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return $this->formatCurrencyCellValue($node); |
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case self::CELL_TYPE_PERCENTAGE: |
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return $this->formatPercentageCellValue($node); |
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case self::CELL_TYPE_VOID: |
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default: |
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return ''; |
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} |
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} |
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/** |
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* Returns the cell String value. |
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* |
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* @param \DOMNode $node |
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* @return string The value associated with the cell |
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*/ |
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protected function formatStringCellValue($node) |
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{ |
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$pNodeValues = []; |
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$pNodes = $node->getElementsByTagName(self::XML_NODE_P); |
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foreach ($pNodes as $pNode) { |
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$currentPValue = ''; |
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foreach ($pNode->childNodes as $childNode) { |
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if ($childNode instanceof \DOMText) { |
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$currentPValue .= $childNode->nodeValue; |
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} else if ($childNode->nodeName === self::XML_NODE_S) { |
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$spaceAttribute = $childNode->getAttribute(self::XML_ATTRIBUTE_C); |
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$numSpaces = (!empty($spaceAttribute)) ? intval($spaceAttribute) : 1; |
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$currentPValue .= str_repeat(' ', $numSpaces); |
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} else if ($childNode->nodeName === self::XML_NODE_A || $childNode->nodeName === self::XML_NODE_SPAN) { |
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$currentPValue .= $childNode->nodeValue; |
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} |
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} |
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$pNodeValues[] = $currentPValue; |
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} |
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$escapedCellValue = implode("\n", $pNodeValues); |
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$cellValue = $this->escaper->unescape($escapedCellValue); |
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return $cellValue; |
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} |
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/** |
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* Returns the cell Numeric value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return int|float The value associated with the cell |
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*/ |
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protected function formatFloatCellValue($node) |
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{ |
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$nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_VALUE); |
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$nodeIntValue = intval($nodeValue); |
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// The "==" is intentionally not a "===" because only the value matters, not the type |
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$cellValue = ($nodeIntValue == $nodeValue) ? $nodeIntValue : floatval($nodeValue); |
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return $cellValue; |
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} |
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/** |
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* Returns the cell Boolean value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return bool The value associated with the cell |
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*/ |
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protected function formatBooleanCellValue($node) |
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{ |
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$nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_BOOLEAN_VALUE); |
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// !! is similar to boolval() |
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$cellValue = !!$nodeValue; |
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return $cellValue; |
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} |
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/** |
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* Returns the cell Date value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return \DateTime|string|null The value associated with the cell or NULL if invalid date value |
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*/ |
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protected function formatDateCellValue($node) |
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{ |
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// The XML node looks like this: |
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// <table:table-cell calcext:value-type="date" office:date-value="2016-05-19T16:39:00" office:value-type="date"> |
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// <text:p>05/19/16 04:39 PM</text:p> |
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// </table:table-cell> |
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if ($this->shouldFormatDates) { |
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// The date is already formatted in the "p" tag |
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$nodeWithValueAlreadyFormatted = $node->getElementsByTagName(self::XML_NODE_P)->item(0); |
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return $nodeWithValueAlreadyFormatted->nodeValue; |
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} else { |
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// otherwise, get it from the "date-value" attribute |
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try { |
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$nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_DATE_VALUE); |
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return new \DateTime($nodeValue); |
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} catch (\Exception $e) { |
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return null; |
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} |
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} |
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} |
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/** |
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* Returns the cell Time value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return \DateInterval|string|null The value associated with the cell or NULL if invalid time value |
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*/ |
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protected function formatTimeCellValue($node) |
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{ |
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// The XML node looks like this: |
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// <table:table-cell calcext:value-type="time" office:time-value="PT13H24M00S" office:value-type="time"> |
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// <text:p>01:24:00 PM</text:p> |
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// </table:table-cell> |
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if ($this->shouldFormatDates) { |
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// The date is already formatted in the "p" tag |
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$nodeWithValueAlreadyFormatted = $node->getElementsByTagName(self::XML_NODE_P)->item(0); |
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return $nodeWithValueAlreadyFormatted->nodeValue; |
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} else { |
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// otherwise, get it from the "time-value" attribute |
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try { |
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$nodeValue = $node->getAttribute(self::XML_ATTRIBUTE_TIME_VALUE); |
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return new \DateInterval($nodeValue); |
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} catch (\Exception $e) { |
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return null; |
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} |
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} |
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} |
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/** |
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* Returns the cell Currency value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return string The value associated with the cell (e.g. "100 USD" or "9.99 EUR") |
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*/ |
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protected function formatCurrencyCellValue($node) |
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{ |
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$value = $node->getAttribute(self::XML_ATTRIBUTE_VALUE); |
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$currency = $node->getAttribute(self::XML_ATTRIBUTE_CURRENCY); |
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return "$value $currency"; |
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} |
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/** |
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* Returns the cell Percentage value from the given node. |
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* |
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* @param \DOMNode $node |
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* @return int|float The value associated with the cell |
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*/ |
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protected function formatPercentageCellValue($node) |
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{ |
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// percentages are formatted like floats |
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return $this->formatFloatCellValue($node); |
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} |
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} |
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