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See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

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Defines 1 class

WriterInterface:: (6 methods):
  openToFile()
  openToBrowser()
  setDefaultRowStyle()
  addRow()
  addRows()
  close()


Interface: WriterInterface  - X-Ref

Interface WriterInterface

openToFile($outputFilePath)   X-Ref
Initializes the writer and opens it to accept data.
By using this method, the data will be written to a file.

return: WriterInterface
param: string $outputFilePath Path of the output file that will contain the data

openToBrowser($outputFileName)   X-Ref
Initializes the writer and opens it to accept data.
By using this method, the data will be outputted directly to the browser.

return: WriterInterface
param: string $outputFileName Name of the output file that will contain the data. If a path is passed in, only the file name will be kept

setDefaultRowStyle(Style $defaultStyle)   X-Ref
Sets the default styles for all rows added with "addRow".
Overriding the default style instead of using "addRowWithStyle" improves performance by 20%.

return: WriterInterface
param: Style $defaultStyle

addRow(Row $row)   X-Ref
Appends a row to the end of the stream.

return: WriterInterface
param: Row $row The row to be appended to the stream

addRows(array $rows)   X-Ref
Appends the rows to the end of the stream.

return: WriterInterface
param: Row[] $rows The rows to be appended to the stream

close()   X-Ref
Closes the writer. This will close the streamer as well, preventing new data
to be written to the file.

return: void