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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]

   1  <?php
   2  
   3  namespace PhpOffice\PhpSpreadsheet\Writer\Ods;
   4  
   5  class Thumbnails extends WriterPart
   6  {
   7      /**
   8       * Write Thumbnails/thumbnail.png to PNG format.
   9       *
  10       * @return string XML Output
  11       */
  12      public function write(): string
  13      {
  14          return '';
  15      }
  16  }