@Immutable
    public static int strcasecmp(String value1, String value2) {
        return value1.compareToIgnoreCase(value2);
    }
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