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<?php
namespace WPForms\Logger;
use Iterator;
use Countable;
/**
* Class Records.
*
* @since 1.6.3
*/
class Records implements Countable, Iterator {
/**
* Iterator position.
*
* @since 1.6.3
*
* @var int
*/
private $iterator_position = 0;
/**
* List of log records.
*
* @since 1.6.3
*
* @var array
*/
private $list = [];
/**
* Return the current element.
*
* @since 1.6.3
*
* @return \WPForms\Logger\Record|null Return null when no items in collection.
*/
public function current() {
return $this->valid() ? $this->list[ $this->iterator_position ] : null;
}
/**
* Move forward to next element.
*
* @since 1.6.3
*/
public function next() {
++ $this->iterator_position;
}
/**
* Return the key of the current element.
*
* @since 1.6.3
*
* @return int
*/
public function key() {
return $this->iterator_position;
}
/**
* Checks if current position is valid.
*
* @since 1.6.3
*
* @return bool
*/
public function valid() {
return isset( $this->list[ $this->iterator_position ] );
}
/**
* Rewind the Iterator to the first element.
*
* @since 1.6.3
*/
public function rewind() {
$this->iterator_position = 0;
}
/**
* Count number of Record in a Queue.
*
* @since 1.6.3
*
* @return int
*/
public function count() {
return count( $this->list );
}
/**
* Push record to list.
*
* @since 1.6.3
*
* @param \WPForms\Logger\Record $record Record.
*/
public function push( $record ) {
if ( ! is_a( $record, '\WPForms\Logger\Record' ) ) {
return;
}
$this->list[] = $record;
}
/**
* Clear collection.
*
* @since 1.6.3
*/
public function clear() {
$this->list = [];
$this->iterator_position = 0;
}
}