public function removeTag($tag)
    {
        $index = array_search($tag, $this->tags);

        if ($index !== false) {
            array_splice($this->tags, $index, 1);
            $this->ref = null;
        }

        return $this;
    }
public function removeTag($tag)
    {
        $index = array_search($tag, $this->tags);

        if ($index !== false) {
            array_splice($this->tags, $index, 1);
            $this->ref = null;
        }

        return $this;
    }
public function removeTag ( $ tag ) { $ index = array_search ( $ tag , $ this -> tags ) ; if ( $ index !== false ) { array_splice ( $ this -> tags , $ index , 1 ) ; $ this -> ref = null ; } return $ this ; }
Removes a tag from the TimePoint
@param string $tag
@return TimePoint
Removes a tag from the TimePoint