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[FormatAbstract]: Ensure sanitizeHtml is given string (#2791)

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Sometimes `Item::getContent` returns `null`, in which case `sanitizeHtml`
would pass it to `str_replace`, which would raise `E_DEPRECATED` on PHP 8.1.
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Jan Tojnar 2022-06-17 20:46:15 +02:00 • committed by GitHub
parent 9ac494b350
commit 10eb1c9a95
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3 changed files with 3 additions and 3 deletions
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lib/FormatAbstract.php
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@ -130,7 +130,7 @@ abstract class FormatAbstract implements FormatInterface {
* @todo Maybe switch to http://htmlpurifier.org/
* @todo Maybe switch to http://www.bioinformatics.org/phplabware/internal_utilities/htmLawed/index.php
*/
protected function sanitizeHtml($html)
protected function sanitizeHtml(string $html): string
{
$html = str_replace('<script', '<&zwnj;script', $html); // Disable scripts, but leave them visible.
$html = str_replace('<iframe', '<&zwnj;iframe', $html);