public static Memory base64_decode(String value) {
        try {
            return new BinaryMemory(Base64.getDecoder().decode(value));
        } catch (IllegalArgumentException e) {
            return Memory.FALSE;
        }
    }
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