src/Pdf/Crypto/PdftkCrypto.php
protected function _buildArguments($arguments)
    {
        $output = [];

        foreach ($arguments as $argument => $value) {
            $output[] = $argument . ' ' . $value;
        }

        return implode(' ', $output);
    }
protected function _buildArguments($arguments)
    {
        $output = [];

        foreach ($arguments as $argument => $value) {
            $output[] = $argument . ' ' . $value;
        }

        return implode(' ', $output);
    }
protected function _buildArguments ( $ arguments ) { $ output = [ ] ; foreach ( $ arguments as $ argument => $ value ) { $ output [ ] = $ argument . ' ' . $ value ; } return implode ( ' ' , $ output ) ; }
Builds a shell safe argument list

@param array $arguments arguments to pass to pdftk
@return string list of arguments
Builds a shell safe argument list