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PHP Decode
<?php declare(strict_types=1); /** * CakePHP(tm) : Rapid Development Framework (https://..
Decoded Output download
<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.5
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Collection\Iterator;
use Cake\Collection\Collection;
use Cake\Collection\CollectionInterface;
use Cake\Collection\CollectionTrait;
use MultipleIterator;
/**
* Creates an iterator that returns elements grouped in pairs
*
* ### Example
*
* ```
* $iterator = new ZipIterator([[1, 2], [3, 4]]);
* $iterator->toList(); // Returns [[1, 3], [2, 4]]
* ```
*
* You can also chose a custom function to zip the elements together, such
* as doing a sum by index:
*
* ### Example
*
* ```
* $iterator = new ZipIterator([[1, 2], [3, 4]], function ($a, $b) {
* return $a + $b;
* });
* $iterator->toList(); // Returns [4, 6]
* ```
*/
class ZipIterator implements CollectionInterface
{
use CollectionTrait;
/**
* @var \MultipleIterator
*/
protected MultipleIterator $multipleIterator;
/**
* The function to use for zipping items together
*
* @var callable|null
*/
protected $_callback;
/**
* Contains the original iterator objects that were attached
*
* @var array
*/
protected array $_iterators = [];
/**
* Creates the iterator to merge together the values by for all the passed
* iterators by their corresponding index.
*
* @param array $sets The list of array or iterators to be zipped.
* @param callable|null $callable The function to use for zipping the elements of each iterator.
*/
public function __construct(array $sets, ?callable $callable = null)
{
$this->multipleIterator = new MultipleIterator(
MultipleIterator::MIT_NEED_ALL | MultipleIterator::MIT_KEYS_NUMERIC
);
$this->_callback = $callable;
foreach ($sets as $set) {
$iterator = (new Collection($set))->unwrap();
$this->_iterators[] = $iterator;
$this->multipleIterator->attachIterator($iterator);
}
}
/**
* Returns the value resulting out of zipping all the elements for all the
* iterators with the same positional index.
*
* @return mixed
*/
public function current(): mixed
{
$current = $this->multipleIterator->current();
if ($this->_callback) {
return call_user_func_array($this->_callback, $current);
}
return $current;
}
/**
* Implements Iterator::key().
*
* @return mixed
*/
public function key(): mixed
{
return $this->multipleIterator->key();
}
/**
* Implements Iterator::next().
*
* @return void
*/
public function next(): void
{
$this->multipleIterator->next();
}
/**
* Implements Iterator::rewind().
*
* @return void
*/
public function rewind(): void
{
$this->multipleIterator->rewind();
}
/**
* Implements Iterator::valid().
*
* @return bool
*/
public function valid(): bool
{
return $this->multipleIterator->valid();
}
/**
* Magic method used for serializing the iterator instance.
*
* @return array
*/
public function __serialize(): array
{
return $this->_iterators;
}
/**
* Magic method used to rebuild the iterator instance.
*
* @param array $data Data array.
* @return void
*/
public function __unserialize(array $data): void
{
$this->multipleIterator = new MultipleIterator(
MultipleIterator::MIT_NEED_ALL | MultipleIterator::MIT_KEYS_NUMERIC
);
$this->_iterators = $data;
foreach ($this->_iterators as $it) {
$this->multipleIterator->attachIterator($it);
}
}
}
?>
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Original Code
<?php
declare(strict_types=1);
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 3.0.5
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Collection\Iterator;
use Cake\Collection\Collection;
use Cake\Collection\CollectionInterface;
use Cake\Collection\CollectionTrait;
use MultipleIterator;
/**
* Creates an iterator that returns elements grouped in pairs
*
* ### Example
*
* ```
* $iterator = new ZipIterator([[1, 2], [3, 4]]);
* $iterator->toList(); // Returns [[1, 3], [2, 4]]
* ```
*
* You can also chose a custom function to zip the elements together, such
* as doing a sum by index:
*
* ### Example
*
* ```
* $iterator = new ZipIterator([[1, 2], [3, 4]], function ($a, $b) {
* return $a + $b;
* });
* $iterator->toList(); // Returns [4, 6]
* ```
*/
class ZipIterator implements CollectionInterface
{
use CollectionTrait;
/**
* @var \MultipleIterator
*/
protected MultipleIterator $multipleIterator;
/**
* The function to use for zipping items together
*
* @var callable|null
*/
protected $_callback;
/**
* Contains the original iterator objects that were attached
*
* @var array
*/
protected array $_iterators = [];
/**
* Creates the iterator to merge together the values by for all the passed
* iterators by their corresponding index.
*
* @param array $sets The list of array or iterators to be zipped.
* @param callable|null $callable The function to use for zipping the elements of each iterator.
*/
public function __construct(array $sets, ?callable $callable = null)
{
$this->multipleIterator = new MultipleIterator(
MultipleIterator::MIT_NEED_ALL | MultipleIterator::MIT_KEYS_NUMERIC
);
$this->_callback = $callable;
foreach ($sets as $set) {
$iterator = (new Collection($set))->unwrap();
$this->_iterators[] = $iterator;
$this->multipleIterator->attachIterator($iterator);
}
}
/**
* Returns the value resulting out of zipping all the elements for all the
* iterators with the same positional index.
*
* @return mixed
*/
public function current(): mixed
{
$current = $this->multipleIterator->current();
if ($this->_callback) {
return call_user_func_array($this->_callback, $current);
}
return $current;
}
/**
* Implements Iterator::key().
*
* @return mixed
*/
public function key(): mixed
{
return $this->multipleIterator->key();
}
/**
* Implements Iterator::next().
*
* @return void
*/
public function next(): void
{
$this->multipleIterator->next();
}
/**
* Implements Iterator::rewind().
*
* @return void
*/
public function rewind(): void
{
$this->multipleIterator->rewind();
}
/**
* Implements Iterator::valid().
*
* @return bool
*/
public function valid(): bool
{
return $this->multipleIterator->valid();
}
/**
* Magic method used for serializing the iterator instance.
*
* @return array
*/
public function __serialize(): array
{
return $this->_iterators;
}
/**
* Magic method used to rebuild the iterator instance.
*
* @param array $data Data array.
* @return void
*/
public function __unserialize(array $data): void
{
$this->multipleIterator = new MultipleIterator(
MultipleIterator::MIT_NEED_ALL | MultipleIterator::MIT_KEYS_NUMERIC
);
$this->_iterators = $data;
foreach ($this->_iterators as $it) {
$this->multipleIterator->attachIterator($it);
}
}
}
Function Calls
None |
Stats
MD5 | 2ded37708155171541d75216dc118fcb |
Eval Count | 0 |
Decode Time | 128 ms |