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<?php
namespace Jasny\Controller\Session;
/**
* Class for the flash message
*/
class Flash
{
/**
* @var array
*/
protected $data;
/**
* @var array|\ArrayObject
*/
protected $session;
/**
* Session key for flash
* @var string
*/
protected $key = 'flash';
/**
* Class constructor
*
* @param array|\ArrayObject $session
*/
public function __construct(&$session)
{
$this->session =& $session;
}
/**
* Check if the flash is set.
*
* @return boolean
*/
public function isIssued()
{
return isset($this->session[$this->key]);
}
/**
* Set the flash.
*
* @param string $type flash type, eg. 'error', 'notice' or 'success'
* @param mixed $message flash message
*/
public function set($type, $message)
{
if (!$type) {
throw new \InvalidArgumentException("Type should not be empty");
}
$this->session[$this->key] = compact('type', 'message');
}
/**
* Get the flash.
*
* @return object
*/
public function get()
{
if (!isset($this->data) && isset($this->session[$this->key])) {
$this->data = $this->session[$this->key];
unset($this->session[$this->key]);
}
return (object)$this->data;
}
/**
* Reissue the flash.
*/
public function reissue()
{
if (!isset($this->data) && isset($this->session[$this->key])) {
$this->data = $this->session[$this->key];
} else {
$this->session[$this->key] = $this->data;
}
}
/**
* Clear the flash.
*/
public function clear()
{
$this->data = null;
unset($this->session[$this->key]);
}
/**
* Get the flash type
*
* @return string
*/
public function getType()
{
$data = $this->get();
return isset($data) ? $data->type : null;
}
/**
* Get the flash message
*
* @return string
*/
public function getMessage()
{
$data = $this->get();
return isset($data) ? $data->message : null;
}
/**
* Cast object to string
*
* @return string
*/
public function __toString()
{
return (string)$this->getMessage();
}
}
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