@Immutable
    public static String str_repeat(String input, int multiplier) {
        if (multiplier <= 0)
            return "";

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < multiplier; i++)
            sb.append(input);

        return sb.toString();
    }
Parses the cslashes bitmap returning an actual bitmap.

@param charset the bitmap string

@return the actual bitmap
exts/jphp-zend-ext/src/main/java/org/develnext/jphp/zend/ext/standard/StringFunctions.java