Reset Filter

@param string $key

@return $this
500410
public function resetFilter($key)
    {
        if (true === isset($this->filters[$key])) {
            unset($this->filters[$key]);
        }

        return $this;
    }
718921
public function remove(string $key): self
    {
        if (isset($this->headers[$key]) == true) {
            unset($this->headers[$key]);
        }

        return $this;
    }
710248
public function unmap( $key )
    {
        Option::remove( $this->_map, $this->_hashKey( $key ) );

        return $this;
    }
320119
public function remove($key)
    {
        if ($this->has($key)) {
            $cont = clone $this;
            $cont->removeParameter($key);

            return $cont;
        }

        return $this;
    }
137521
function delete($key) {
        parent::delete($key);
        if($this !== $this->client->channels) {
            $this->client->channels->delete($key);
        }
        
        return $this;
    }
159403
public function remove($key)
    {
        $keys = explode('.', $key);

        $data = $this->getAll();

        $resource = &$data;
        foreach ($keys as $index => $key) {
            if (!isset($resource[$key])) {
                // We bail, the requested key could not be found
                return $this;
            }
            if ($index < (count($keys) - 1)) {
                $resource = &$resource[$key];
            }
        }
        unset($resource[$key]);

        $this->setAll($data);

        return $this;
    }
1220646
public function removePlugin($key) {
        if (!isset($this->plugins[$key])) {
            return $this;
        }
        if (method_exists($this->plugins[$key], 'unconfigure')) {
            $this->plugins[$key]->unconfigure($this);
        }
        unset($this->plugins[$key]);
        return $this;
    }
770614
public function clearCookie($key = null)
    {
        if ($key) {
            setcookie($key, '', time() - 3600);
        } else {
            foreach ($_COOKIE as $key => $val) {
                $this->clearCookie($key);
            }
        }
        return $this;
    }
305689
public function exclude($key)
    {
        $this->populateInput();

        if (array_key_exists($key, $this->input)) {
            unset($this->input[$key]);
        }

        return $this->input;
    }
1058355
public function clear($key = null)
    {
        if (func_num_args() === 0) {
            $this->attributes = array();
        } elseif ($key === '$id') {
            throw new Exception('[Norm/Model] Restricting clear for $id.');
        } else {
            unset($this->attributes[$key]);
        }

        return $this;
    }
1359652
protected function clearRemoval($key)
    {
        if (false === $this->willRemove($key)) {
            return $this;
        }
        $key = array_search($key, $this->remove);
        unset($this->remove[$key]);
        $this->remove = array_values($this->remove);
        return $this;
    }
1163404
public function removeQuery(string $key) : self
    {
        if (isset($this->uri['query'][$key])) {
            unset($this->uri['query'][$key]);
        }

        return $this;
    }
1339743
public function unsetFlag($key)
    {
        if ($this->hasFlag($key))
            $this->flags = array_except($this->flags, $key);

        return $this;
    }
32597
function delete($key) {
        if(!$this->enabled) {
            return $this;
        }
        
        parent::delete($key);
        if($this !== $this->client->presences) {
            $this->client->presences->delete($key);
        }
        
        return $this;
    }
418203
public function deleteItem($key)
    {
        if (array_key_exists($key, $this->data)) {
            unset($this->data[$key]);
        }

        return $this;
    }
392517
public function delete($key)
    {
        key_exists_or_fail($key, $this->data);
        unset($this->data[$key]);
        $this->data = array_values($this->data);

        return $this;
    }
2535
public function removeCustomParam($key)
    {
        if (array_key_exists($key, $this->customParams)) {
            unset($this->customParams[$key]);
        }

        return $this;
    }