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<?php |
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namespace Nip\Collections\Traits; |
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/** |
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* Class AccessMethodsTrait |
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* @package Nip\Collections\Traits |
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*/ |
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trait AccessMethodsTrait |
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{ |
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/** |
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* @param array $items |
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*/ |
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public function setItems($items) |
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{ |
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$this->items = $items; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function add($element, $key = null) |
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{ |
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if ($key == null) { |
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$this->items[] = $element; |
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return; |
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} |
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$this->set($key, $element); |
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} |
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/** |
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* @param string $id |
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* @param mixed $value |
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*/ |
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public function set($id, $value) |
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{ |
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$this->items[$id] = $value; |
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} |
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/** |
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* Returns a parameter by name. |
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* |
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* @param string $key The key |
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* @param mixed $default The default value if the parameter key does not exist |
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* |
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* @return mixed |
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*/ |
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public function get($key, $default = null) |
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{ |
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return array_key_exists($key, $this->items) ? $this->items[$key] : $default; |
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} |
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/** |
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* @return boolean |
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* @param string $key |
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*/ |
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public function has($key) |
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{ |
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return isset($this->items[$key]) || array_key_exists($key, $this->items); |
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} |
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/** |
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* @param $key |
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* @return bool |
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* @deprecated Use ->has($key) instead |
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*/ |
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public function exists($key) |
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{ |
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return $this->has($key); |
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} |
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/** |
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* Returns the parameters. |
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* |
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* @return array An array of parameters |
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*/ |
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public function all() |
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{ |
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return $this->items; |
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} |
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/** |
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* Returns the parameter keys. |
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* |
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* @return array An array of parameter keys |
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*/ |
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public function keys() |
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{ |
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return array_keys($this->items); |
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} |
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/** |
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* Returns the parameter values. |
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* |
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* @return array An array of parameter values |
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*/ |
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public function values() |
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{ |
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return array_values($this->items); |
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} |
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/** |
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* @param string $key |
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* @return null |
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*/ |
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public function unset($key) |
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{ |
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if (!isset($this->items[$key]) && !array_key_exists($key, $this->items)) { |
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return null; |
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} |
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$removed = $this->items[$key]; |
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unset($this->items[$key]); |
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return $removed; |
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} |
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} |
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ByTIC /
framework
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: