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<?php
namespace TeamTNT\TNTSearch\Support;
use ArrayIterator;
use Countable;
use IteratorAggregate;
class Collection implements Countable, IteratorAggregate
{
protected $items = [];
public function __construct($items = [])
{
$this->items = $items;
}
public function forget($key)
{
unset($this->items[$key]);
}
/**
* @param callable $callback
*
* @return Collection
*/
public function each(callable $callback)
{
foreach ($this->items as $key => $item) {
if ($callback($item, $key) === false) {
break;
}
}
return $this;
}
/**
* @param callable|null $callback
*
* @return static
*/
public function filter(callable $callback = null)
{
if ($callback) {
$return = [];
foreach ($this->items as $key => $value) {
if ($callback($value, $key)) {
$return[$key] = $value;
}
}
return new static($return);
}
return new static(array_filter($this->items));
}
/**
* @return bool
*/
public function isEmpty()
{
return empty($this->items);
}
/**
* @param callable $callback
*
* @return static
*/
public function map(callable $callback)
{
$keys = array_keys($this->items);
$items = array_map($callback, $this->items, $keys);
return new static(array_combine($keys, $items));
}
/**
* @param callable $callback
* @param null $initial
*
* @return mixed
*/
public function reduce(callable $callback, $initial = null)
{
return array_reduce($this->items, $callback, $initial);
}
public function get($key)
{
return $this->items[$key];
}
/**
* @param $value
* @param null $key
*
* @return array
*/
public function pluck($value, $key = null)
{
return array_column($this->items, $value, $key);
}
/**
* @param $glue
*
* @return string
*/
public function implode($glue)
{
return implode($glue, $this->items);
}
/**
* @return int
*/
public function count()
{
return count($this->items);
}
/**
* @param int $offset
* @param int $length
*
* @return static
*/
public function slice($offset, $length = null)
{
return new static(array_slice($this->items, $offset, $length, true));
}
/**
* @param int $limit
* @return static
*/
public function take($limit)
{
return $this->slice(0, abs($limit));
}
/**
* @return ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->items);
}
/**
* @return array
*/
public function toArray()
{
return $this->items;
}
}
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