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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\Worksheet;

> use GdImage; class MemoryDrawing extends BaseDrawing >
{ // Rendering functions const RENDERING_DEFAULT = 'imagepng'; const RENDERING_PNG = 'imagepng'; const RENDERING_GIF = 'imagegif'; const RENDERING_JPEG = 'imagejpeg'; // MIME types const MIMETYPE_DEFAULT = 'image/png'; const MIMETYPE_PNG = 'image/png'; const MIMETYPE_GIF = 'image/gif'; const MIMETYPE_JPEG = 'image/jpeg'; /** * Image resource. *
< * @var resource
> * @var GdImage|resource
*/ private $imageResource; /** * Rendering function. * * @var string */ private $renderingFunction; /** * Mime type. * * @var string */ private $mimeType; /** * Unique name. * * @var string */ private $uniqueName; /** * Create a new MemoryDrawing. */ public function __construct() { // Initialise values $this->imageResource = null; $this->renderingFunction = self::RENDERING_DEFAULT; $this->mimeType = self::MIMETYPE_DEFAULT;
< $this->uniqueName = md5(rand(0, 9999) . time() . rand(0, 9999));
> $this->uniqueName = md5(mt_rand(0, 9999) . time() . mt_rand(0, 9999));
// Initialize parent parent::__construct(); } /** * Get image resource. *
< * @return resource
> * @return GdImage|resource
*/ public function getImageResource() { return $this->imageResource; } /** * Set image resource. *
< * @param resource $value
> * @param GdImage|resource $value
*
< * @return MemoryDrawing
> * @return $this
*/ public function setImageResource($value) { $this->imageResource = $value; if ($this->imageResource !== null) { // Get width/height $this->width = imagesx($this->imageResource); $this->height = imagesy($this->imageResource); } return $this; } /** * Get rendering function. * * @return string */ public function getRenderingFunction() { return $this->renderingFunction; } /** * Set rendering function. * * @param string $value see self::RENDERING_* *
< * @return MemoryDrawing
> * @return $this
*/ public function setRenderingFunction($value) { $this->renderingFunction = $value; return $this; } /** * Get mime type. * * @return string */ public function getMimeType() { return $this->mimeType; } /** * Set mime type. * * @param string $value see self::MIMETYPE_* *
< * @return MemoryDrawing
> * @return $this
*/ public function setMimeType($value) { $this->mimeType = $value; return $this; } /** * Get indexed filename (using image index). * * @return string */ public function getIndexedFilename() { $extension = strtolower($this->getMimeType()); $extension = explode('/', $extension); $extension = $extension[1]; return $this->uniqueName . $this->getImageIndex() . '.' . $extension; } /** * Get hash code. * * @return string Hash code */ public function getHashCode() { return md5( $this->renderingFunction . $this->mimeType . $this->uniqueName . parent::getHashCode() . __CLASS__ ); } }