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<?php |
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namespace Barenote\Collection; |
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use ArrayIterator; |
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use Closure; |
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/** |
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* Class ArrayCollection |
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* @package Barenote\Collection |
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*/ |
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class ArrayCollection implements \Countable, \IteratorAggregate, \ArrayAccess, \JsonSerializable |
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{ |
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/** |
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* @var array |
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*/ |
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private $elements; |
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/** |
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* ArrayCollection constructor. |
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* @param array $elements |
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*/ |
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public function __construct(array $elements = []) |
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{ |
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$this->elements = $elements; |
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} |
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public function isEmpty() |
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{ |
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return count($this->elements) == 0; |
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} |
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public function first() |
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{ |
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return reset($this->elements); |
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} |
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public function firstOrNull() |
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{ |
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if ($result = $this->first()) { |
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return $result; |
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} |
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return null; |
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} |
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/** |
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* @param $value |
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*/ |
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public function add($value) |
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{ |
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$this->elements[] = $value; |
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} |
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/** |
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* Clear the internal array |
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*/ |
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public function clear() |
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{ |
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$this->elements = []; |
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} |
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/** |
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* Checks if collection contains provided element. |
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* |
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* @param $element |
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* |
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* @return bool |
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*/ |
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public function contains($element) |
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{ |
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return in_array($element, $this->elements, true); |
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} |
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public function getIterator() |
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{ |
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return new ArrayIterator($this->elements); |
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} |
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public function offsetExists($offset) |
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{ |
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return $this->containsKey($offset); |
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} |
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/** |
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* Checks if collection contains provided key. |
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* |
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* @param $key |
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* |
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* @return bool |
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*/ |
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public function containsKey($key) |
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{ |
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return isset($this->elements[$key]) || array_key_exists($key, $this->elements); |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->get($offset); |
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} |
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/** |
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* @param $key |
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* @return mixed|null |
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*/ |
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public function get($key) |
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{ |
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if (isset($this->elements[$key])) { |
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return $this->elements[$key]; |
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} |
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return null; |
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} |
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public function offsetSet($offset, $value) |
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{ |
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$this->set($offset, $value); |
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} |
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/** |
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* @param $key |
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* @param $element |
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*/ |
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public function set($key, $element) |
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{ |
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$this->elements[$key] = $element; |
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} |
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public function offsetUnset($offset) |
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{ |
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$this->remove($offset); |
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} |
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public function remove($key) |
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{ |
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if (isset($this->elements[$key]) || array_key_exists($key, $this->elements)) { |
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$removed = $this->elements[$key]; |
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unset($this->elements[$key]); |
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return $removed; |
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} |
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return null; |
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} |
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public function count() |
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{ |
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return count($this->elements); |
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} |
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function jsonSerialize() |
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{ |
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return $this->toArray(); |
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} |
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/** |
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154
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* @return array |
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*/ |
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156
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public function toArray() |
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{ |
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return $this->elements; |
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} |
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161
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/** |
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162
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* {@inheritdoc} |
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163
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*/ |
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164
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public function filter(Closure $p) |
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{ |
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return new static(array_filter($this->elements, $p)); |
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} |
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protected function extractProperties($propertyFetchMethod) |
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{ |
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$values = []; |
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$this->forAll( |
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function ($entry) use (&$values, $propertyFetchMethod) { |
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$values[] = $entry->{$propertyFetchMethod}(); |
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} |
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); |
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return $values; |
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} |
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/** |
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* @param callable|Closure $p |
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*/ |
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public function forAll(Closure $p) |
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{ |
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foreach ($this->elements as $key => $element) { |
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$p($element, $key); |
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} |
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} |
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190
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} |
dzikismigol /
barenote-sdk-php
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.