TYPO3 / TYPO3.CMS

     * @return string Wrapped input string

     * @see noTrimWrap()

     */

    public function wrap($content, $wrap, $char = '|')

    {

        if ($wrap) {

            $wrapArr = explode($char, $wrap);

            $content = trim($wrapArr[0]) . $content . trim($wrapArr[1]);

        }

        return $content;

    }

    /**

     * Wrapping a string, preserving whitespace in wrap value.

     * @return string Wrapped input string, eg. " <strong> HELLO WORD </strong>

     * @see wrap()

     */

    public function noTrimWrap($content, $wrap, $char = '|')

    {

        if ($wrap) {

            // expects to be wrapped with (at least) 3 characters (before, middle, after)

            // anything else is not taken into account

            $wrapArr = explode($char, $wrap, 4);

            $content = $wrapArr[1] . $content . $wrapArr[2];

        }

        return $content;

    }

    /**

     * Calling a user function/class-method