PHP reference

Logger


class
Logger extends ExtendableObject

Simple way to log messages in global scope.

Usage:

Logger::log(Logger::NOTICE, 'Hey man!');

Constants

`DEBUG`

Detailed debug information.

`DEPRECATED`

Deprecated function usage.

`INFO`

Interesting events.

Examples: User logs in, SQL logs.

`NOTICE`

Uncommon events.

`WARNING`

Exceptional occurrences that are not errors.

Examples: Use of deprecated APIs, poor use of an API, undesirable things that are not necessarily wrong.

`ERROR`

Runtime errors.

`CRITICAL`

Critical conditions.

Example: Application component unavailable, unexpected exception.

`ALERT`

Action must be taken immediately.

Example: Entire website down, database unavailable, etc. This should trigger the SMS alerts and wake you up.

`EMERGENCY`

Urgent alert.

Properties

`static array $levels`

Log levels.

`integer $min_log_level`

Minimal log level.

Methods

`static setTag(string $tag, string $value)`

Set a logger tag.

Parameters

string $tag
string $value

`static resetTag(string $tag)`

Reset a logger tag.

Parameters

string $tag

`static log($level, $message, string|object $module = '', array $context = [])`

Send a message to the application log.

Parameters

$level
$message
string|object $module
array $context

Inherited from ExtendableObject

`__construct()`

Constructor.

`final static ExtendableObject instance()`

Get instance.

Return Value

ExtendableObject

`final static boolean hasInstance()`

Check whether there is an instance of this class available.

Return Value

boolean

`final boolean extension($extension)`

Call class method, if it exists.

Parameters

$extension

Return Value

boolean