Ejemplo n.º 1
0
 /**
  * @param Block $block
  * @return bool
  */
 private function isValidBlock(Block $block)
 {
     static $valid = [Block::HIGH_PRIVATE_USE_SURROGATES => true, Block::HIGH_SURROGATES => true, Block::LOW_SURROGATES => true];
     return array_key_exists($block->getValue(), $valid);
 }