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<?php
/**
* Class MC4WP_Admin_Messages
*
* @ignore
* @since 3.0
*/
class MC4WP_Admin_Messages {
/**
* @var array
*/
protected $bag;
/**
* @var bool
*/
protected $dirty = false;
/**
* Add hooks
*/
public function add_hooks() {
add_action( 'admin_notices', array( $this, 'show' ) );
register_shutdown_function( array( $this, 'save' ) );
}
private function load() {
if ( is_null( $this->bag ) ) {
$this->bag = get_option( 'mc4wp_flash_messages', array() );
}
}
// empty flash bag
private function reset() {
$this->bag = array();
$this->dirty = true;
}
/**
* Flash a message (shows on next pageload)
*
* @param $message
* @param string $type
*/
public function flash( $message, $type = 'success' ) {
$this->load();
$this->bag[] = array(
'text' => $message,
'type' => $type,
);
$this->dirty = true;
}
/**
* Show queued flash messages
*/
public function show() {
$this->load();
foreach ( $this->bag as $message ) {
echo sprintf( '<div class="notice notice-%s is-dismissible"><p>%s</p></div>', $message['type'], $message['text'] );
}
$this->reset();
}
/**
* Save queued messages
*
* @hooked `shutdown`
*/
public function save() {
if ( $this->dirty ) {
update_option( 'mc4wp_flash_messages', $this->bag, false );
}
}
}