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<?php
namespace Twilio;
class Stream implements \Iterator {
public $page;
public $firstPage;
public $limit;
public $currentRecord;
public $pageLimit;
public $currentPage;
public function __construct(Page $page, $limit, $pageLimit) {
$this->page = $page;
$this->firstPage = $page;
$this->limit = $limit;
$this->currentRecord = 1;
$this->pageLimit = $pageLimit;
$this->currentPage = 1;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return mixed Can return any type.
*/
#[\ReturnTypeWillChange]
public function current() {
return $this->page->current();
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Move forward to next element
* @link http://php.net/manual/en/iterator.next.php
* @return void Any returned value is ignored.
*/
public function next(): void {
$this->page->next();
$this->currentRecord++;
if ($this->overLimit()) {
return;
}
if (!$this->page->valid()) {
if ($this->overPageLimit()) {
return;
}
$this->page = $this->page->nextPage();
$this->currentPage++;
}
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the key of the current element
* @link http://php.net/manual/en/iterator.key.php
* @return mixed scalar on success, or null on failure.
*/
#[\ReturnTypeWillChange]
public function key() {
return $this->currentRecord;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Checks if current position is valid
* @link http://php.net/manual/en/iterator.valid.php
* @return bool The return value will be casted to boolean and then evaluated.
* Returns true on success or false on failure.
*/
public function valid(): bool {
return $this->page && $this->page->valid() && !$this->overLimit() && !$this->overPageLimit();
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Rewind the Iterator to the first element
* @link http://php.net/manual/en/iterator.rewind.php
* @return void Any returned value is ignored.
*/
public function rewind(): void {
$this->page = $this->firstPage;
$this->page->rewind();
$this->currentPage = 1;
$this->currentRecord = 1;
}
protected function overLimit(): bool {
return ($this->limit !== null
&& $this->limit !== Values::NONE
&& $this->limit < $this->currentRecord);
}
protected function overPageLimit(): bool {
return ($this->pageLimit !== null
&& $this->pageLimit !== Values::NONE
&& $this->pageLimit < $this->currentPage);
}
}
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