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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.

Differences Between: [Versions 400 and 401] [Versions 400 and 402] [Versions 400 and 403]

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Defines 1 class

Matrix:: (3 methods):
  transpose()
  index()
  extractRowValue()


Class: Matrix  - X-Ref

transpose($matrixData)   X-Ref
TRANSPOSE.

return: array
param: array|mixed $matrixData A matrix of values

index($matrix, $rowNum = 0, $columnNum = 0)   X-Ref
INDEX.

Uses an index to choose a value from a reference or array

Excel Function:
=INDEX(range_array, row_num, [column_num], [area_num])

return: mixed the value of a specified cell or array of cells
param: mixed $matrix A range of cells or an array constant
param: mixed $rowNum The row in the array or range from which to return a value.
param: mixed $columnNum The column in the array or range from which to return a value.

extractRowValue(array $matrix, array $rowKeys, int $rowNum)   X-Ref
No description