---
title: "Abstract class **Phalcon\\Logger**"
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\Logger**

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

## Constants
*integer* **SPECIAL**

*integer* **CUSTOM**

*integer* **DEBUG**

*integer* **INFO**

*integer* **NOTICE**

*integer* **WARNING**

*integer* **ERROR**

*integer* **ALERT**

*integer* **CRITICAL**

*integer* **EMERGENCE**

*integer* **EMERGENCY**

<hr />

# Abstract class **Phalcon\Logger\Adapter**

*implements* [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

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

Base class for Phalcon\Logger adapters

## Methods
public  **setLogLevel** (*mixed* $level)

Filters the logs sent to the handlers that are less or equal than a specific level

public  **getLogLevel** ()

Returns the current log level

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter)

Sets the message formatter

public  **begin** ()

Starts a transaction

public  **commit** ()

Commits the internal transaction

public  **rollback** ()

Rollbacks the internal transaction

public  **isTransaction** ()

Returns the whether the logger is currently in an active transaction or not

public  **critical** (*mixed* $message, [*array* $context])

Sends/Writes a critical message to the log

public  **emergency** (*mixed* $message, [*array* $context])

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context])

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context])

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context])

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context])

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context])

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context])

Sends/Writes an alert message to the log

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context])

Logs messages to the internal logger. Appends logs to the logger

abstract public  **getFormatter** () inherited from [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

...

abstract public  **close** () inherited from [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

...

<hr />

# Class **Phalcon\Logger\Adapter\File**

*extends* abstract class [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

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

Adapter to store logs in plain text files

```php
<?php

$logger = new \Phalcon\Logger\Adapter\File("app/logs/test.log");

$logger->log("This is a message");
$logger->log(\Phalcon\Logger::ERROR, "This is an error");
$logger->error("This is another error");

$logger->close();

```

## Methods
public  **getPath** ()

File Path

public  **__construct** (*string* $name, [*array* $options])

Phalcon\Logger\Adapter\File constructor

public  **getFormatter** ()

Returns the internal formatter

public  **logInternal** (*mixed* $message, *mixed* $type, *mixed* $time, *array* $context)

Writes the log to the file itself

public  **close** ()

Closes the logger

public  **__wakeup** ()

Opens the internal file handler after unserialization

public  **setLogLevel** (*mixed* $level) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Filters the logs sent to the handlers that are less or equal than a specific level

public  **getLogLevel** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the current log level

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sets the message formatter

public  **begin** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Starts a transaction

public  **commit** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Commits the internal transaction

public  **rollback** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Rollbacks the internal transaction

public  **isTransaction** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the whether the logger is currently in an active transaction or not

public  **critical** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a critical message to the log

public  **emergency** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an alert message to the log

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Logs messages to the internal logger. Appends logs to the logger

<hr />

# Class **Phalcon\Logger\Adapter\Firephp**

*extends* abstract class [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

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

Sends logs to FirePHP

```php
<?php

use Phalcon\Logger\Adapter\Firephp;
use Phalcon\Logger;

$logger = new Firephp();

$logger->log(Logger::ERROR, "This is an error");
$logger->error("This is another error");

```

## Methods
public  **getFormatter** ()

Returns the internal formatter

public  **logInternal** (*mixed* $message, *mixed* $type, *mixed* $time, *array* $context)

Writes the log to the stream itself

public  **close** ()

Closes the logger

public  **setLogLevel** (*mixed* $level) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Filters the logs sent to the handlers that are less or equal than a specific level

public  **getLogLevel** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the current log level

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sets the message formatter

public  **begin** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Starts a transaction

public  **commit** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Commits the internal transaction

public  **rollback** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Rollbacks the internal transaction

public  **isTransaction** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the whether the logger is currently in an active transaction or not

public  **critical** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a critical message to the log

public  **emergency** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an alert message to the log

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Logs messages to the internal logger. Appends logs to the logger

<hr />

# Class **Phalcon\Logger\Adapter\Stream**

*extends* abstract class [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

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

Sends logs to a valid PHP stream

```php
<?php

use Phalcon\Logger;
use Phalcon\Logger\Adapter\Stream;

$logger = new Stream("php://stderr");

$logger->log("This is a message");
$logger->log(Logger::ERROR, "This is an error");
$logger->error("This is another error");

```

## Methods
public  **__construct** (*string* $name, [*array* $options])

Phalcon\Logger\Adapter\Stream constructor

public  **getFormatter** ()

Returns the internal formatter

public  **logInternal** (*mixed* $message, *mixed* $type, *mixed* $time, *array* $context)

Writes the log to the stream itself

public  **close** ()

Closes the logger

public  **setLogLevel** (*mixed* $level) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Filters the logs sent to the handlers that are less or equal than a specific level

public  **getLogLevel** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the current log level

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sets the message formatter

public  **begin** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Starts a transaction

public  **commit** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Commits the internal transaction

public  **rollback** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Rollbacks the internal transaction

public  **isTransaction** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the whether the logger is currently in an active transaction or not

public  **critical** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a critical message to the log

public  **emergency** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an alert message to the log

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Logs messages to the internal logger. Appends logs to the logger

<hr />

# Class **Phalcon\Logger\Adapter\Syslog**

*extends* abstract class [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/)

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

Sends logs to the system logger

```php
<?php

use Phalcon\Logger;
use Phalcon\Logger\Adapter\Syslog;

// LOG_USER is the only valid log type under Windows operating systems
$logger = new Syslog(
"ident",
[
    "option"   => LOG_CONS | LOG_NDELAY | LOG_PID,
    "facility" => LOG_USER,
]
);

$logger->log("This is a message");
$logger->log(Logger::ERROR, "This is an error");
$logger->error("This is another error");

```

## Methods
public  **__construct** (*string* $name, [*array* $options])

Phalcon\Logger\Adapter\Syslog constructor

public  **getFormatter** ()

Returns the internal formatter

public  **logInternal** (*mixed* $message, *mixed* $type, *mixed* $time, *array* $context)

Writes the log to the stream itself

public  **close** ()

Closes the logger

public  **setLogLevel** (*mixed* $level) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Filters the logs sent to the handlers that are less or equal than a specific level

public  **getLogLevel** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the current log level

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sets the message formatter

public  **begin** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Starts a transaction

public  **commit** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Commits the internal transaction

public  **rollback** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Rollbacks the internal transaction

public  **isTransaction** () inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Returns the whether the logger is currently in an active transaction or not

public  **critical** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a critical message to the log

public  **emergency** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Sends/Writes an alert message to the log

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context]) inherited from [Phalcon\Logger\Adapter](/3.4/api/phalcon_logger/)

Logs messages to the internal logger. Appends logs to the logger

<hr />

# Interface **Phalcon\Logger\AdapterInterface**

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

## Methods
abstract public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter)

...

abstract public  **getFormatter** ()

...

abstract public  **setLogLevel** (*mixed* $level)

...

abstract public  **getLogLevel** ()

...

abstract public  **log** (*mixed* $type, [*mixed* $message], [*array* $context])

...

abstract public  **begin** ()

...

abstract public  **commit** ()

...

abstract public  **rollback** ()

...

abstract public  **close** ()

...

abstract public  **debug** (*mixed* $message, [*array* $context])

...

abstract public  **error** (*mixed* $message, [*array* $context])

...

abstract public  **info** (*mixed* $message, [*array* $context])

...

abstract public  **notice** (*mixed* $message, [*array* $context])

...

abstract public  **warning** (*mixed* $message, [*array* $context])

...

abstract public  **alert** (*mixed* $message, [*array* $context])

...

abstract public  **emergency** (*mixed* $message, [*array* $context])

...

<hr />

# Class **Phalcon\Logger\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/logger/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\Logger\Factory**

*extends* abstract class [Phalcon\Factory](/3.4/api/phalcon_factory/)

*implements* [Phalcon\FactoryInterface](/3.4/api/phalcon_factory/)

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

Loads Logger Adapter class using 'adapter' option

```php
<?php

use Phalcon\Logger\Factory;

$options = [
"name"    => "log.txt",
"adapter" => "file",
];
$logger = Factory::load($options);

```

## Methods
public static  **load** ([Phalcon\Config](/3.4/api/phalcon_config/) | *array* $config)

protected static  **loadClass** (*mixed* $namespace, *mixed* $config)

...

<hr />

# Abstract class **Phalcon\Logger\Formatter**

*implements* [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

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

This is a base class for logger formatters

## Methods
public  **getTypeString** (*mixed* $type)

Returns the string meaning of a logger constant

public  **interpolate** (*string* $message, [*array* $context])

Interpolates context values into the message placeholders

abstract public  **format** (*mixed* $message, *mixed* $type, *mixed* $timestamp, [*mixed* $context]) inherited from [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

...

<hr />

# Class **Phalcon\Logger\Formatter\Firephp**

*extends* abstract class [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

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

Formats messages so that they can be sent to FirePHP

## Methods
public  **getTypeString** (*mixed* $type)

Returns the string meaning of a logger constant

public  **setShowBacktrace** ([*mixed* $isShow])

Returns the string meaning of a logger constant

public  **getShowBacktrace** ()

Returns the string meaning of a logger constant

public  **enableLabels** ([*mixed* $isEnable])

Returns the string meaning of a logger constant

public  **labelsEnabled** ()

Returns the labels enabled

public *string* **format** (*string* $message, *int* $type, *int* $timestamp, [*array* $context])

Applies a format to a message before sending it to the log

public  **interpolate** (*string* $message, [*array* $context]) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Interpolates context values into the message placeholders

<hr />

# Class **Phalcon\Logger\Formatter\Json**

*extends* abstract class [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

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

Formats messages using JSON encoding

## Methods
public *string* **format** (*string* $message, *int* $type, *int* $timestamp, [*array* $context])

Applies a format to a message before sent it to the internal log

public  **getTypeString** (*mixed* $type) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Returns the string meaning of a logger constant

public  **interpolate** (*string* $message, [*array* $context]) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Interpolates context values into the message placeholders

<hr />

# Class **Phalcon\Logger\Formatter\Line**

*extends* abstract class [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

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

Formats messages using an one-line string

## Methods
public  **getDateFormat** ()

Default date format

public  **setDateFormat** (*mixed* $dateFormat)

Default date format

public  **getFormat** ()

Format applied to each message

public  **setFormat** (*mixed* $format)

Format applied to each message

public  **__construct** ([*string* $format], [*string* $dateFormat])

Phalcon\Logger\Formatter\Line construct

public *string* **format** (*string* $message, *int* $type, *int* $timestamp, [*array* $context])

Applies a format to a message before sent it to the internal log

public  **getTypeString** (*mixed* $type) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Returns the string meaning of a logger constant

public  **interpolate** (*string* $message, [*array* $context]) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Interpolates context values into the message placeholders

<hr />

# Class **Phalcon\Logger\Formatter\Syslog**

*extends* abstract class [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

*implements* [Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/)

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

Prepares a message to be used in a Syslog backend

## Methods
public *array* **format** (*string* $message, *int* $type, *int* $timestamp, [*array* $context])

Applies a format to a message before sent it to the internal log

public  **getTypeString** (*mixed* $type) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Returns the string meaning of a logger constant

public  **interpolate** (*string* $message, [*array* $context]) inherited from [Phalcon\Logger\Formatter](/3.4/api/phalcon_logger/)

Interpolates context values into the message placeholders

<hr />

# Interface **Phalcon\Logger\FormatterInterface**

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

## Methods
abstract public  **format** (*mixed* $message, *mixed* $type, *mixed* $timestamp, [*mixed* $context])

...

<hr />

# Class **Phalcon\Logger\Item**

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

Represents each item in a logging transaction

## Methods
public  **getType** ()

Log type

public  **getMessage** ()

Log message

public  **getTime** ()

Log timestamp

public  **getContext** ()

...

public  **__construct** (*string* $message, *integer* $type, [*integer* $time], [*array* $context])

Phalcon\Logger\Item constructor

<hr />

# Class **Phalcon\Logger\Multiple**

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

Handles multiples logger handlers

## Methods
public  **getLoggers** ()

...

public  **getFormatter** ()

...

public  **getLogLevel** ()

...

public  **push** ([Phalcon\Logger\AdapterInterface](/3.4/api/phalcon_logger/) $logger)

Pushes a logger to the logger tail

public  **setFormatter** ([Phalcon\Logger\FormatterInterface](/3.4/api/phalcon_logger/) $formatter)

Sets a global formatter

public  **setLogLevel** (*mixed* $level)

Sets a global level

public  **log** (*mixed* $type, [*mixed* $message], [*array* $context])

Sends a message to each registered logger

public  **critical** (*mixed* $message, [*array* $context])

Sends/Writes an critical message to the log

public  **emergency** (*mixed* $message, [*array* $context])

Sends/Writes an emergency message to the log

public  **debug** (*mixed* $message, [*array* $context])

Sends/Writes a debug message to the log

public  **error** (*mixed* $message, [*array* $context])

Sends/Writes an error message to the log

public  **info** (*mixed* $message, [*array* $context])

Sends/Writes an info message to the log

public  **notice** (*mixed* $message, [*array* $context])

Sends/Writes a notice message to the log

public  **warning** (*mixed* $message, [*array* $context])

Sends/Writes a warning message to the log

public  **alert** (*mixed* $message, [*array* $context])

Sends/Writes an alert message to the log

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