Search moodle.org's
Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.

Differences Between: [Versions 310 and 311] [Versions 39 and 311]

(no description)

File Size: 46 lines (2 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

CellHelper:: (1 method):
  getColumnLettersFromColumnIndex()


Class: CellHelper  - X-Ref

Class CellHelper
This class provides helper functions when working with cells

getColumnLettersFromColumnIndex($columnIndexZeroBased)   X-Ref
Returns the column letters (base 26) associated to the base 10 column index.
Excel uses A to Z letters for column indexing, where A is the 1st column,
Z is the 26th and AA is the 27th.
The mapping is zero based, so that 0 maps to A, B maps to 1, Z to 25 and AA to 26.

param: int $columnIndexZeroBased The Excel column index (0, 42, ...)
return: string The associated cell index ('A', 'BC', ...)