Lines Matching refs:null
181 protected $_string = null;
188 protected $_direction = null;
195 protected static $_collator = null;
204 public function __construct($string = null)
206 if (null !== $string) {
276 $handle = null;
300 if (null === $collator = static::getCollator()) {
315 return null;
318 if (null === static::$_collator) {
319 static::$_collator = new \Collator(setlocale(LC_COLLATE, null));
361 &$matches = null,
501 if (null !== $transliterator = static::getTransliterator($transId)) {
546 public function transliterate($identifier, $start = 0, $end = null)
548 if (null === $transliterator = static::getTransliterator($identifier)) {
571 return null;
588 $handle = null;
595 if (null !== $handle) {
603 $this->_direction = null;
651 $head = null;
660 $this->_direction = null;
673 return $this->offsetSet($offset, null);
693 public function reduce($start, $length = null)
764 if (null === $this->_direction) {
765 if (null === $this->_string) {
991 $out = null;