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<?php
namespace RocketTheme\Toolbox\Session;
/**
* Implements session messages.
*
* @package RocketTheme\Toolbox\Session
* @author RocketTheme
* @license MIT
*/
class Message
{
/** @var array */
protected $messages = [];
/**
* Add message to the queue.
*
* @param string $message
* @param string $scope
* @return $this
*/
public function add($message, $scope = 'default')
{
$key = md5($scope.'~'.$message);
$item = ['message' => $message, 'scope' => $scope];
// don't add duplicates
if (!array_key_exists($key, $this->messages)) {
$this->messages[$key] = $item;
}
return $this;
}
/**
* Clear message queue.
*
* @param string|null $scope
* @return $this
*/
public function clear($scope = null)
{
if ($scope === null) {
$this->messages = [];
} else {
foreach ($this->messages as $key => $message) {
if ($message['scope'] === $scope) {
unset($this->messages[$key]);
}
}
}
return $this;
}
/**
* Fetch all messages.
*
* @param string|null $scope
* @return array
*/
public function all($scope = null)
{
if ($scope === null) {
return array_values($this->messages);
}
$messages = [];
foreach ($this->messages as $message) {
if ($message['scope'] === $scope) {
$messages[] = $message;
}
}
return $messages;
}
/**
* Fetch and clear message queue.
*
* @param string|null $scope
* @return array
*/
public function fetch($scope = null)
{
$messages = $this->all($scope);
$this->clear($scope);
return $messages;
}
}