private static ArrayMemory htmlSpecialCharsMap() {
        if (HTML_SPECIALCHARS == null) {
            HTML_SPECIALCHARS = new ArrayMemory();
            HTML_SPECIALCHARS.put("<", new StringMemory("&lt;"));
            HTML_SPECIALCHARS.put(">", new StringMemory("&gt;"));
            HTML_SPECIALCHARS.put("&", new StringMemory("&amp;"));

            ForeachIterator iterator = htmlEntriesMap().foreachIterator(false, false);
            while (iterator.next()) {
                HTML_SPECIALCHARS.refOfIndex(iterator.getValue()).assign(iterator.getKey().toString());
            }
        }

        return HTML_SPECIALCHARS;
    }
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