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<?php |
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namespace Jasny; |
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/** |
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* Class for the flash message |
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*/ |
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class Flash |
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{ |
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/** |
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* @var object |
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*/ |
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protected static $data = null; |
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/** |
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* Check if the flash is set. |
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* |
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* @return boolean |
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*/ |
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public static function isIssued() |
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{ |
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return isset($_SESSION['flash']) || isset(static::$data); |
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} |
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/** |
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* Set the flash. |
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* |
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* @param mixed $type flash type, eg. 'error', 'notice' or 'success' |
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* @param mixed $message flash message |
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*/ |
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public static function set($type, $message) |
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{ |
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if (!$type) { |
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throw new \InvalidArgumentException("Type should not be empty"); |
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} |
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static::$data = (object)['type'=>$type, 'message'=>$message]; |
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$_SESSION['flash'] = static::$data; |
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} |
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/** |
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* Get the flash. |
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* |
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* @return object |
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*/ |
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View Code Duplication |
public static function get() |
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{ |
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if (!isset(static::$data) && isset($_SESSION['flash'])) { |
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static::$data = (object)$_SESSION['flash']; |
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unset($_SESSION['flash']); |
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} |
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return static::$data; |
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} |
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/** |
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* Reissue the flash. |
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*/ |
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View Code Duplication |
public static function reissue() |
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{ |
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if (!isset(static::$data) && isset($_SESSION['flash'])) { |
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static::$data = (object)$_SESSION['flash']; |
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} else { |
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$_SESSION['flash'] = static::$data; |
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} |
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} |
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/** |
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* Clear the flash. |
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*/ |
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public static function clear() |
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{ |
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self::$data = null; |
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unset($_SESSION['flash']); |
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} |
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/** |
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* Get the flash type |
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* |
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* @return string |
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*/ |
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public static function getType() |
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{ |
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$data = static::get(); |
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return isset($data) ? $data->type : null; |
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} |
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/** |
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* Get the flash message |
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* |
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* @return string |
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*/ |
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public static function getMessage() |
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{ |
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$data = static::get(); |
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return isset($data) ? $data->message : null; |
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} |
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/** |
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* Cast object to string |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return (string)$this->getMessage(); |
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} |
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} |
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: