46 lines
820 B
PHP
46 lines
820 B
PHP
|
<?php
|
||
|
|
|
||
|
|
namespace Stripe\Util;
|
||
|
|
|
||
|
|
use ArrayIterator;
|
||
|
|
use IteratorAggregate;
|
||
|
|
|
||
|
|
class Set implements IteratorAggregate
|
||
|
|
{
|
||
|
|
private $_elts;
|
||
|
|
|
||
|
|
public function __construct($members = [])
|
||
|
|
{
|
||
|
|
$this->_elts = [];
|
||
|
|
foreach ($members as $item) {
|
||
|
|
$this->_elts[$item] = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function includes($elt)
|
||
|
|
{
|
||
|
|
return isset($this->_elts[$elt]);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function add($elt)
|
||
|
|
{
|
||
|
|
$this->_elts[$elt] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function discard($elt)
|
||
|
|
{
|
||
|
|
unset($this->_elts[$elt]);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function toArray()
|
||
|
|
{
|
||
|
|
return \array_keys($this->_elts);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[\ReturnTypeWillChange]
|
||
|
|
public function getIterator()
|
||
|
|
{
|
||
|
|
return new ArrayIterator($this->toArray());
|
||
|
|
}
|
||
|
|
}
|