class.ilMultiFilesSubmitRecursiveSlashesStripper.php

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<?php

class ilMultiFilesSubmitRecursiveSlashesStripper implements ilFormValuesManipulator
{
    protected $postVar = null;

    public function getPostVar(): ?string
    {
        return $this->postVar;
    }

    public function setPostVar($postVar): void
    {
        $this->postVar = $postVar;
    }

    public function manipulateFormInputValues(array $inputValues): array
    {
        return $inputValues;
    }

    public function manipulateFormSubmitValues(array $submitValues): array
    {
        $this->manipulateFileSubmitValues();
        return $submitValues;
    }

    protected function manipulateFileSubmitValues(): void
    {
        if ($_FILES) {
            $_FILES[$this->getPostVar()] = ilArrayUtil::stripSlashesRecursive(
                $_FILES[$this->getPostVar()]
            );
        }
    }
}