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<?php |
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namespace BaoPham\TreeParser; |
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class TreeNode implements \JsonSerializable, \ArrayAccess |
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{ |
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const ROOT_LEVEL = 0; |
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const ROOT_ORDER = 0; |
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/** |
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* @var string |
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*/ |
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public $name; |
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/** |
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* @var bool |
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*/ |
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public $isRoot = false; |
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/** |
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* @var int |
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*/ |
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public $order; |
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/** |
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* @var int |
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*/ |
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public $level; |
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/** |
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* @var TreeNode |
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*/ |
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public $parent; |
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/** |
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* @var TreeNode[] |
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*/ |
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public $children = []; |
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/** |
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* @return bool |
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*/ |
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public function hasChildren() |
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{ |
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return !empty($this->children); |
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} |
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/** |
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* Specify data which should be serialized to JSON |
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* @link http://php.net/manual/en/jsonserializable.jsonserialize.php |
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* @return mixed data which can be serialized by <b>json_encode</b>, |
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* which is a value of any type other than a resource. |
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* @since 5.4.0 |
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*/ |
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public function jsonSerialize() |
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{ |
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$properties = get_object_vars($this); |
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unset($properties['parent']); |
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return $properties; |
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} |
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/** |
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* Whether a offset exists |
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* @link http://php.net/manual/en/arrayaccess.offsetexists.php |
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* @param mixed $offset <p> |
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* An offset to check for. |
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* </p> |
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* @return boolean true on success or false on failure. |
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* </p> |
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* <p> |
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* The return value will be casted to boolean if non-boolean was returned. |
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* @since 5.0.0 |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->$offset); |
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} |
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/** |
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* Offset to retrieve |
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* @link http://php.net/manual/en/arrayaccess.offsetget.php |
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* @param mixed $offset <p> |
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* The offset to retrieve. |
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* </p> |
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* @return mixed Can return all value types. |
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* @since 5.0.0 |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->$offset; |
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} |
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/** |
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* Offset to set |
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* @link http://php.net/manual/en/arrayaccess.offsetset.php |
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* @param mixed $offset <p> |
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* The offset to assign the value to. |
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* </p> |
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* @param mixed $value <p> |
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* The value to set. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->$offset = $value; |
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} |
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/** |
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* Offset to unset |
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* @link http://php.net/manual/en/arrayaccess.offsetunset.php |
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* @param mixed $offset <p> |
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* The offset to unset. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->$offset); |
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} |
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} |
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baopham /
php-tree-parser
