---
title: "Abstract class **Phalcon\\Flash**"
version: "3.4"
---

> Documentation Index
> Fetch the complete documentation index at: https://docs.phalcon.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Abstract class **Phalcon\Flash**

*implements* [Phalcon\FlashInterface](/3.4/api/phalcon_flash/), [Phalcon\Di\InjectionAwareInterface](/3.4/api/phalcon_di/)

<a href="https://github.com/phalcon/cphalcon/tree/v3.4.0/phalcon/flash.zep" class="btn btn-default btn-sm">Source on GitHub</a>

Shows HTML notifications related to different circumstances. Classes can be stylized using CSS

```php
<?php

$flash->success("The record was successfully deleted");
$flash->error("Cannot open the file");

```

## Methods
public  **__construct** ([*mixed* $cssClasses])

Phalcon\Flash constructor

public  **getAutoescape** ()

Returns the autoescape mode in generated html

public  **setAutoescape** (*mixed* $autoescape)

Set the autoescape mode in generated html

public  **getEscaperService** ()

Returns the Escaper Service

public  **setEscaperService** ([Phalcon\EscaperInterface](/3.4/api/phalcon_escaper/) $escaperService)

Sets the Escaper Service

public  **setDI** ([Phalcon\DiInterface](/3.4/api/phalcon_di/) $dependencyInjector)

Sets the dependency injector

public  **getDI** ()

Returns the internal dependency injector

public  **setImplicitFlush** (*mixed* $implicitFlush)

Set whether the output must be implicitly flushed to the output or returned as string

public  **setAutomaticHtml** (*mixed* $automaticHtml)

Set if the output must be implicitly formatted with HTML

public  **setCssClasses** (*array* $cssClasses)

Set an array with CSS classes to format the messages

public  **error** (*mixed* $message)

Shows a HTML error message

```php
<?php

$flash->error("This is an error");

```

public  **notice** (*mixed* $message)

Shows a HTML notice/information message

```php
<?php

$flash->notice("This is an information");

```

public  **success** (*mixed* $message)

Shows a HTML success message

```php
<?php

$flash->success("The process was finished successfully");

```

public  **warning** (*mixed* $message)

Shows a HTML warning message

```php
<?php

$flash->warning("Hey, this is important");

```

public *string* | *void* **outputMessage** (*mixed* $type, *string* | *array* $message)

Outputs a message formatting it with HTML

```php
<?php

$flash->outputMessage("error", $message);

```

public  **clear** ()

Clears accumulated messages when implicit flush is disabled

abstract public  **message** (*mixed* $type, *mixed* $message) inherited from [Phalcon\FlashInterface](/3.4/api/phalcon_flash/)

...

<hr />

# Class **Phalcon\Flash\Direct**

*extends* abstract class [Phalcon\Flash](/3.4/api/phalcon_flash/)

*implements* [Phalcon\Di\InjectionAwareInterface](/3.4/api/phalcon_di/), [Phalcon\FlashInterface](/3.4/api/phalcon_flash/)

<a href="https://github.com/phalcon/cphalcon/tree/v3.4.0/phalcon/flash/direct.zep" class="btn btn-default btn-sm">Source on GitHub</a>

This is a variant of the Phalcon\Flash that immediately outputs any message passed to it

## Methods
public  **message** (*mixed* $type, *mixed* $message)

Outputs a message

public  **output** ([*mixed* $remove])

Prints the messages accumulated in the flasher

public  **__construct** ([*mixed* $cssClasses]) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Phalcon\Flash constructor

public  **getAutoescape** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the autoescape mode in generated html

public  **setAutoescape** (*mixed* $autoescape) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set the autoescape mode in generated html

public  **getEscaperService** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the Escaper Service

public  **setEscaperService** ([Phalcon\EscaperInterface](/3.4/api/phalcon_escaper/) $escaperService) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Sets the Escaper Service

public  **setDI** ([Phalcon\DiInterface](/3.4/api/phalcon_di/) $dependencyInjector) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Sets the dependency injector

public  **getDI** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the internal dependency injector

public  **setImplicitFlush** (*mixed* $implicitFlush) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set whether the output must be implicitly flushed to the output or returned as string

public  **setAutomaticHtml** (*mixed* $automaticHtml) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set if the output must be implicitly formatted with HTML

public  **setCssClasses** (*array* $cssClasses) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set an array with CSS classes to format the messages

public  **error** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML error message

```php
<?php

$flash->error("This is an error");

```

public  **notice** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML notice/information message

```php
<?php

$flash->notice("This is an information");

```

public  **success** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML success message

```php
<?php

$flash->success("The process was finished successfully");

```

public  **warning** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML warning message

```php
<?php

$flash->warning("Hey, this is important");

```

public *string* | *void* **outputMessage** (*mixed* $type, *string* | *array* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Outputs a message formatting it with HTML

```php
<?php

$flash->outputMessage("error", $message);

```

public  **clear** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Clears accumulated messages when implicit flush is disabled

<hr />

# Class **Phalcon\Flash\Exception**

*extends* class [Phalcon\Exception](/3.4/api/phalcon_exception/)

*implements* [Throwable](https://php.net/manual/en/class.throwable.php)

<a href="https://github.com/phalcon/cphalcon/tree/v3.4.0/phalcon/flash/exception.zep" class="btn btn-default btn-sm">Source on GitHub</a>

## Methods
final private [Exception](https://php.net/manual/en/class.exception.php) **__clone** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Clone the exception

public  **__construct** ([*mixed* $message], [*mixed* $code], [*mixed* $previous]) inherited from [Exception](https://php.net/manual/en/class.exception.php)

Exception constructor

public  **__wakeup** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

...

final public *string* **getMessage** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the Exception message

final public *int* **getCode** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the Exception code

final public *string* **getFile** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the file in which the exception occurred

final public *int* **getLine** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the line in which the exception occurred

final public *array* **getTrace** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the stack trace

final public [Exception](https://php.net/manual/en/class.exception.php) **getPrevious** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Returns previous Exception

final public [Exception](https://php.net/manual/en/class.exception.php) **getTraceAsString** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

Gets the stack trace as a string

public *string* **__toString** () inherited from [Exception](https://php.net/manual/en/class.exception.php)

String representation of the exception

<hr />

# Class **Phalcon\Flash\Session**

*extends* abstract class [Phalcon\Flash](/3.4/api/phalcon_flash/)

*implements* [Phalcon\Di\InjectionAwareInterface](/3.4/api/phalcon_di/), [Phalcon\FlashInterface](/3.4/api/phalcon_flash/)

<a href="https://github.com/phalcon/cphalcon/tree/v3.4.0/phalcon/flash/session.zep" class="btn btn-default btn-sm">Source on GitHub</a>

Temporarily stores the messages in session, then messages can be printed in the next request

## Methods
protected  **_getSessionMessages** (*mixed* $remove, [*mixed* $type])

Returns the messages stored in session

protected  **_setSessionMessages** (*array* $messages)

Stores the messages in session

public  **message** (*mixed* $type, *mixed* $message)

Adds a message to the session flasher

public  **has** ([*mixed* $type])

Checks whether there are messages

public  **getMessages** ([*mixed* $type], [*mixed* $remove])

Returns the messages in the session flasher

public  **output** ([*mixed* $remove])

Prints the messages in the session flasher

public  **clear** ()

Clear messages in the session messenger

public  **__construct** ([*mixed* $cssClasses]) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Phalcon\Flash constructor

public  **getAutoescape** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the autoescape mode in generated html

public  **setAutoescape** (*mixed* $autoescape) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set the autoescape mode in generated html

public  **getEscaperService** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the Escaper Service

public  **setEscaperService** ([Phalcon\EscaperInterface](/3.4/api/phalcon_escaper/) $escaperService) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Sets the Escaper Service

public  **setDI** ([Phalcon\DiInterface](/3.4/api/phalcon_di/) $dependencyInjector) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Sets the dependency injector

public  **getDI** () inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Returns the internal dependency injector

public  **setImplicitFlush** (*mixed* $implicitFlush) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set whether the output must be implicitly flushed to the output or returned as string

public  **setAutomaticHtml** (*mixed* $automaticHtml) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set if the output must be implicitly formatted with HTML

public  **setCssClasses** (*array* $cssClasses) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Set an array with CSS classes to format the messages

public  **error** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML error message

```php
<?php

$flash->error("This is an error");

```

public  **notice** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML notice/information message

```php
<?php

$flash->notice("This is an information");

```

public  **success** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML success message

```php
<?php

$flash->success("The process was finished successfully");

```

public  **warning** (*mixed* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Shows a HTML warning message

```php
<?php

$flash->warning("Hey, this is important");

```

public *string* | *void* **outputMessage** (*mixed* $type, *string* | *array* $message) inherited from [Phalcon\Flash](/3.4/api/phalcon_flash/)

Outputs a message formatting it with HTML

```php
<?php

$flash->outputMessage("error", $message);

```

<hr />

# Interface **Phalcon\FlashInterface**

<a href="https://github.com/phalcon/cphalcon/tree/v3.4.0/phalcon/flashinterface.zep" class="btn btn-default btn-sm">Source on GitHub</a>

## Methods
abstract public  **error** (*mixed* $message)

...

abstract public  **notice** (*mixed* $message)

...

abstract public  **success** (*mixed* $message)

...

abstract public  **warning** (*mixed* $message)

...

abstract public  **message** (*mixed* $type, *mixed* $message)

...

Source: https://docs.phalcon.io/3.4/api/phalcon_flash/index.mdx