467 lines
9.4 KiB
PHP
Executable File
467 lines
9.4 KiB
PHP
Executable File
<?php
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namespace Doctrine\Common\Collections;
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use ArrayIterator;
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use Closure;
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use Doctrine\Common\Collections\Expr\ClosureExpressionVisitor;
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use ReturnTypeWillChange;
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use Traversable;
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use function array_filter;
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use function array_key_exists;
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use function array_keys;
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use function array_map;
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use function array_reverse;
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use function array_search;
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use function array_slice;
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use function array_values;
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use function count;
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use function current;
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use function end;
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use function in_array;
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use function key;
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use function next;
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use function reset;
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use function spl_object_hash;
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use function uasort;
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use const ARRAY_FILTER_USE_BOTH;
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/**
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* An ArrayCollection is a Collection implementation that wraps a regular PHP array.
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*
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* Warning: Using (un-)serialize() on a collection is not a supported use-case
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* and may break when we change the internals in the future. If you need to
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* serialize a collection use {@link toArray()} and reconstruct the collection
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* manually.
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*
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* @psalm-template TKey of array-key
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* @psalm-template T
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* @template-implements Collection<TKey,T>
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* @template-implements Selectable<TKey,T>
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* @psalm-consistent-constructor
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*/
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class ArrayCollection implements Collection, Selectable
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{
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/**
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* An array containing the entries of this collection.
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*
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* @psalm-var array<TKey,T>
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* @var mixed[]
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*/
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private $elements;
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/**
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* Initializes a new ArrayCollection.
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*
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* @param array $elements
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* @psalm-param array<TKey,T> $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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/**
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* {@inheritDoc}
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*/
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public function toArray()
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{
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return $this->elements;
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}
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/**
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* {@inheritDoc}
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*/
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public function first()
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{
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return reset($this->elements);
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}
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/**
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* Creates a new instance from the specified elements.
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*
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* This method is provided for derived classes to specify how a new
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* instance should be created when constructor semantics have changed.
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*
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* @param array $elements Elements.
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* @psalm-param array<K,V> $elements
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*
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* @return static
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* @psalm-return static<K,V>
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*
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* @psalm-template K of array-key
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* @psalm-template V
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*/
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protected function createFrom(array $elements)
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{
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return new static($elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function last()
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{
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return end($this->elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function key()
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{
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return key($this->elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function next()
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{
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return next($this->elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function current()
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{
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return current($this->elements);
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}
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/**
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* {@inheritDoc}
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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, $this->elements)) {
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return null;
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}
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$removed = $this->elements[$key];
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unset($this->elements[$key]);
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return $removed;
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}
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/**
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* {@inheritDoc}
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*/
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public function removeElement($element)
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{
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$key = array_search($element, $this->elements, true);
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if ($key === false) {
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return false;
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}
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unset($this->elements[$key]);
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return true;
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}
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/**
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* Required by interface ArrayAccess.
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*
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* @param TKey $offset
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*
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* @return bool
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*/
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#[ReturnTypeWillChange]
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public function offsetExists($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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* Required by interface ArrayAccess.
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*
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* @param TKey $offset
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*
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* @return mixed
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*/
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#[ReturnTypeWillChange]
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public function offsetGet($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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* Required by interface ArrayAccess.
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*
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* @param TKey|null $offset
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* @param T $value
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*
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* @return void
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*/
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#[ReturnTypeWillChange]
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public function offsetSet($offset, $value)
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{
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if (! isset($offset)) {
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$this->add($value);
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return;
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}
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$this->set($offset, $value);
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}
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/**
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* Required by interface ArrayAccess.
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*
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* @param TKey $offset
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*
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* @return void
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*/
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#[ReturnTypeWillChange]
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public function offsetUnset($offset)
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{
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$this->remove($offset);
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}
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/**
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* {@inheritDoc}
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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, $this->elements);
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}
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/**
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* {@inheritDoc}
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*
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* @template TMaybeContained
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*/
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public function contains($element)
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{
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return in_array($element, $this->elements, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function exists(Closure $p)
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{
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foreach ($this->elements as $key => $element) {
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if ($p($key, $element)) {
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return true;
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}
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}
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return false;
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}
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/**
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* {@inheritDoc}
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*
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* @psalm-param TMaybeContained $element
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*
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* @psalm-return (TMaybeContained is T ? TKey|false : false)
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*
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* @template TMaybeContained
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*/
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public function indexOf($element)
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{
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return array_search($element, $this->elements, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function get($key)
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{
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return $this->elements[$key] ?? null;
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}
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/**
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* {@inheritDoc}
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*/
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public function getKeys()
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{
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return array_keys($this->elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function getValues()
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{
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return array_values($this->elements);
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}
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/**
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* {@inheritDoc}
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*
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* @return int
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*/
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#[ReturnTypeWillChange]
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public function count()
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{
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return count($this->elements);
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}
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/**
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* {@inheritDoc}
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*/
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public function set($key, $value)
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{
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$this->elements[$key] = $value;
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}
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/**
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* {@inheritDoc}
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*
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* @psalm-suppress InvalidPropertyAssignmentValue
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*
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* This breaks assumptions about the template type, but it would
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* be a backwards-incompatible change to remove this method
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*/
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public function add($element)
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{
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$this->elements[] = $element;
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public function isEmpty()
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{
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return empty($this->elements);
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}
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/**
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* {@inheritDoc}
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*
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* @return Traversable<int|string, mixed>
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* @psalm-return Traversable<TKey,T>
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*/
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#[ReturnTypeWillChange]
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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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/**
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* {@inheritDoc}
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*
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* @psalm-param Closure(T):U $func
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*
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* @return static
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* @psalm-return static<TKey, U>
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*
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* @psalm-template U
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*/
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public function map(Closure $func)
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{
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return $this->createFrom(array_map($func, $this->elements));
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}
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/**
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* {@inheritDoc}
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*
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* @return static
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* @psalm-return static<TKey,T>
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*/
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public function filter(Closure $p)
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{
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return $this->createFrom(array_filter($this->elements, $p, ARRAY_FILTER_USE_BOTH));
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}
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/**
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* {@inheritDoc}
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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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if (! $p($key, $element)) {
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return false;
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}
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}
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public function partition(Closure $p)
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{
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$matches = $noMatches = [];
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foreach ($this->elements as $key => $element) {
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if ($p($key, $element)) {
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$matches[$key] = $element;
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} else {
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$noMatches[$key] = $element;
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}
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}
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return [$this->createFrom($matches), $this->createFrom($noMatches)];
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}
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/**
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* Returns a string representation of this object.
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*
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* @return string
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*/
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public function __toString()
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{
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return self::class . '@' . spl_object_hash($this);
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}
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/**
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* {@inheritDoc}
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*/
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public function clear()
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{
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$this->elements = [];
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}
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/**
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* {@inheritDoc}
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*/
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public function slice($offset, $length = null)
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{
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return array_slice($this->elements, $offset, $length, true);
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}
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/**
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* {@inheritDoc}
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*/
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public function matching(Criteria $criteria)
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{
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$expr = $criteria->getWhereExpression();
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$filtered = $this->elements;
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if ($expr) {
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$visitor = new ClosureExpressionVisitor();
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$filter = $visitor->dispatch($expr);
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$filtered = array_filter($filtered, $filter);
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}
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$orderings = $criteria->getOrderings();
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if ($orderings) {
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$next = null;
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foreach (array_reverse($orderings) as $field => $ordering) {
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$next = ClosureExpressionVisitor::sortByField($field, $ordering === Criteria::DESC ? -1 : 1, $next);
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}
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uasort($filtered, $next);
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}
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$offset = $criteria->getFirstResult();
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$length = $criteria->getMaxResults();
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if ($offset || $length) {
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$filtered = array_slice($filtered, (int) $offset, $length);
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}
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return $this->createFrom($filtered);
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}
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}
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