Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php

namespace PhpOffice\PhpSpreadsheet\Writer;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

class Csv extends BaseWriter
{
    /**
     * PhpSpreadsheet object.
     *
     * @var Spreadsheet
     */
    private $spreadsheet;

    /**
     * Delimiter.
     *
     * @var string
     */
    private $delimiter = ',';

    /**
     * Enclosure.
     *
     * @var string
     */
    private $enclosure = '"';

    /**
     * Line ending.
     *
     * @var string
     */
    private $lineEnding = PHP_EOL;

    /**
     * Sheet index to write.
     *
     * @var int
     */
    private $sheetIndex = 0;

    /**
< * Whether to write a BOM (for UTF8).
> * Whether to write a UTF8 BOM.
* * @var bool */ private $useBOM = false; /** * Whether to write a Separator line as the first line of the file * sep=x. * * @var bool */ private $includeSeparatorLine = false; /** * Whether to write a fully Excel compatible CSV file. * * @var bool */ private $excelCompatibility = false; /**
< * Create a new CSV.
> * Output encoding.
*
< * @param Spreadsheet $spreadsheet Spreadsheet object
> * @var string > */ > private $outputEncoding = ''; > > /** > * Create a new CSV.
*/ public function __construct(Spreadsheet $spreadsheet) { $this->spreadsheet = $spreadsheet; } /** * Save PhpSpreadsheet to file. *
< * @param string $pFilename < * < * @throws Exception
> * @param resource|string $filename
*/
< public function save($pFilename)
> public function save($filename, int $flags = 0): void
{
> $this->processFlags($flags); // Fetch sheet >
$sheet = $this->spreadsheet->getSheet($this->sheetIndex); $saveDebugLog = Calculation::getInstance($this->spreadsheet)->getDebugLog()->getWriteDebugLog(); Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog(false); $saveArrayReturnType = Calculation::getArrayReturnType(); Calculation::setArrayReturnType(Calculation::RETURN_ARRAY_AS_VALUE); // Open file
< $fileHandle = fopen($pFilename, 'wb+'); < if ($fileHandle === false) { < throw new Exception("Could not open file $pFilename for writing."); < }
> $this->openFileHandle($filename);
if ($this->excelCompatibility) { $this->setUseBOM(true); // Enforce UTF-8 BOM Header $this->setIncludeSeparatorLine(true); // Set separator line $this->setEnclosure('"'); // Set enclosure to " $this->setDelimiter(';'); // Set delimiter to a semi-colon $this->setLineEnding("\r\n"); }
>
if ($this->useBOM) { // Write the UTF-8 BOM code if required
< fwrite($fileHandle, "\xEF\xBB\xBF");
> fwrite($this->fileHandle, "\xEF\xBB\xBF");
}
>
if ($this->includeSeparatorLine) { // Write the separator line if required
< fwrite($fileHandle, 'sep=' . $this->getDelimiter() . $this->lineEnding);
> fwrite($this->fileHandle, 'sep=' . $this->getDelimiter() . $this->lineEnding);
} // Identify the range that we need to extract from the worksheet $maxCol = $sheet->getHighestDataColumn(); $maxRow = $sheet->getHighestDataRow(); // Write rows to file for ($row = 1; $row <= $maxRow; ++$row) { // Convert the row to an array... $cellsArray = $sheet->rangeToArray('A' . $row . ':' . $maxCol . $row, '', $this->preCalculateFormulas); // ... and write to the file
< $this->writeLine($fileHandle, $cellsArray[0]);
> $this->writeLine($this->fileHandle, $cellsArray[0]);
}
< // Close file < fclose($fileHandle); <
> $this->maybeCloseFileHandle();
Calculation::setArrayReturnType($saveArrayReturnType); Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog); }
< /** < * Get delimiter. < * < * @return string < */ < public function getDelimiter()
> public function getDelimiter(): string
{ return $this->delimiter; }
< /** < * Set delimiter. < * < * @param string $pValue Delimiter, defaults to ',' < * < * @return CSV < */ < public function setDelimiter($pValue)
> public function setDelimiter(string $delimiter): self
{
< $this->delimiter = $pValue;
> $this->delimiter = $delimiter;
return $this; }
< /** < * Get enclosure. < * < * @return string < */ < public function getEnclosure()
> public function getEnclosure(): string
{ return $this->enclosure; }
< /** < * Set enclosure. < * < * @param string $pValue Enclosure, defaults to " < * < * @return CSV < */ < public function setEnclosure($pValue)
> public function setEnclosure(string $enclosure = '"'): self
{
< if ($pValue == '') { < $pValue = null; < } < $this->enclosure = $pValue;
> $this->enclosure = $enclosure;
return $this; }
< /** < * Get line ending. < * < * @return string < */ < public function getLineEnding()
> public function getLineEnding(): string
{ return $this->lineEnding; }
< /** < * Set line ending. < * < * @param string $pValue Line ending, defaults to OS line ending (PHP_EOL) < * < * @return CSV < */ < public function setLineEnding($pValue)
> public function setLineEnding(string $lineEnding): self
{
< $this->lineEnding = $pValue;
> $this->lineEnding = $lineEnding;
return $this; } /** * Get whether BOM should be used.
< * < * @return bool
*/
< public function getUseBOM()
> public function getUseBOM(): bool
{ return $this->useBOM; } /**
< * Set whether BOM should be used. < * < * @param bool $pValue Use UTF-8 byte-order mark? Defaults to false < * < * @return CSV
> * Set whether BOM should be used, typically when non-ASCII characters are used.
*/
< public function setUseBOM($pValue)
> public function setUseBOM(bool $useBOM): self
{
< $this->useBOM = $pValue;
> $this->useBOM = $useBOM;
return $this; } /** * Get whether a separator line should be included.
< * < * @return bool
*/
< public function getIncludeSeparatorLine()
> public function getIncludeSeparatorLine(): bool
{ return $this->includeSeparatorLine; } /** * Set whether a separator line should be included as the first line of the file.
< * < * @param bool $pValue Use separator line? Defaults to false < * < * @return CSV
*/
< public function setIncludeSeparatorLine($pValue)
> public function setIncludeSeparatorLine(bool $includeSeparatorLine): self
{
< $this->includeSeparatorLine = $pValue;
> $this->includeSeparatorLine = $includeSeparatorLine;
return $this; } /** * Get whether the file should be saved with full Excel Compatibility.
< * < * @return bool
*/
< public function getExcelCompatibility()
> public function getExcelCompatibility(): bool
{ return $this->excelCompatibility; } /** * Set whether the file should be saved with full Excel Compatibility. *
< * @param bool $pValue Set the file to be written as a fully Excel compatible csv file
> * @param bool $excelCompatibility Set the file to be written as a fully Excel compatible csv file
* Note that this overrides other settings such as useBOM, enclosure and delimiter
< * < * @return CSV
*/
< public function setExcelCompatibility($pValue)
> public function setExcelCompatibility(bool $excelCompatibility): self
{
< $this->excelCompatibility = $pValue;
> $this->excelCompatibility = $excelCompatibility;
return $this; }
< /** < * Get sheet index. < * < * @return int < */ < public function getSheetIndex()
> public function getSheetIndex(): int
{ return $this->sheetIndex; }
> public function setSheetIndex(int $sheetIndex): self /** > { * Set sheet index. > $this->sheetIndex = $sheetIndex; * > * @param int $pValue Sheet index > return $this; * > } * @return CSV > */ > public function getOutputEncoding(): string public function setSheetIndex($pValue) > { { > return $this->outputEncoding; $this->sheetIndex = $pValue; > } > return $this; > public function setOutputEncoding(string $outputEnconding): self } > { > $this->outputEncoding = $outputEnconding; /** > * Write line to CSV file. > return $this; * > } * @param resource $pFileHandle PHP filehandle > * @param array $pValues Array containing values in a row > /** @var bool */ */ > private $enclosureRequired = true; private function writeLine($pFileHandle, array $pValues) > { > public function setEnclosureRequired(bool $value): self // No leading delimiter > { $writeDelimiter = false; > $this->enclosureRequired = $value; > // Build the line > return $this; $line = ''; > } > foreach ($pValues as $element) { > public function getEnclosureRequired(): bool // Escape enclosures > { $element = str_replace($this->enclosure, $this->enclosure . $this->enclosure, $element); > return $this->enclosureRequired; > } // Add delimiter >
< * Set sheet index.
> * Convert boolean to TRUE/FALSE; otherwise return element cast to string.
< * @param int $pValue Sheet index < * < * @return CSV
> * @param mixed $element
< public function setSheetIndex($pValue)
> private static function elementToString($element): string
< $this->sheetIndex = $pValue;
> if (is_bool($element)) { > return $element ? 'TRUE' : 'FALSE'; > }
< return $this;
> return (string) $element;
< * @param resource $pFileHandle PHP filehandle < * @param array $pValues Array containing values in a row
> * @param resource $fileHandle PHP filehandle > * @param array $values Array containing values in a row
< private function writeLine($pFileHandle, array $pValues)
> private function writeLine($fileHandle, array $values): void
< $writeDelimiter = false;
> $delimiter = '';
< foreach ($pValues as $element) { < // Escape enclosures < $element = str_replace($this->enclosure, $this->enclosure . $this->enclosure, $element); <
> foreach ($values as $element) { > $element = self::elementToString($element);
< if ($writeDelimiter) { < $line .= $this->delimiter;
> $line .= $delimiter; > $delimiter = $this->delimiter; > // Escape enclosures > $enclosure = $this->enclosure; > if ($enclosure) { > // If enclosure is not required, use enclosure only if > // element contains newline, delimiter, or enclosure. > if (!$this->enclosureRequired && strpbrk($element, "$delimiter$enclosure\n") === false) { > $enclosure = '';
< $writeDelimiter = true;
> $element = str_replace($enclosure, $enclosure . $enclosure, $element); > }
<
< $line .= $this->enclosure . $element . $this->enclosure;
> $line .= $enclosure . $element . $enclosure;
< fwrite($pFileHandle, $line);
> if ($this->outputEncoding != '') { > $line = mb_convert_encoding($line, $this->outputEncoding); > } > fwrite($fileHandle, /** @scrutinizer ignore-type */ $line);