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Developer Documentation
See Release Notes
Long Term Support Release
- Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
- Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
- PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
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| File Size: | 125 lines (3 kb) |
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Defines 1 class
Interface: LoggerInterface - X-Ref
Describes a logger instance.The message MUST be a string or object implementing __toString().
The message MAY contain placeholders in the form: {foo} where foo
will be replaced by the context data in key "foo".
The context array can contain arbitrary data. The only assumption that
can be made by implementors is that if an Exception instance is given
to produce a stack trace, it MUST be in a key named "exception".
See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
for the full interface specification.
| emergency($message, array $context = array() X-Ref |
| System is unusable. param: string $message param: mixed[] $context return: void |
| alert($message, array $context = array() X-Ref |
| Action must be taken immediately. Example: Entire website down, database unavailable, etc. This should trigger the SMS alerts and wake you up. param: string $message param: mixed[] $context return: void |
| critical($message, array $context = array() X-Ref |
| Critical conditions. Example: Application component unavailable, unexpected exception. param: string $message param: mixed[] $context return: void |
| error($message, array $context = array() X-Ref |
| Runtime errors that do not require immediate action but should typically be logged and monitored. param: string $message param: mixed[] $context return: void |
| warning($message, array $context = array() X-Ref |
| Exceptional occurrences that are not errors. Example: Use of deprecated APIs, poor use of an API, undesirable things that are not necessarily wrong. param: string $message param: mixed[] $context return: void |
| notice($message, array $context = array() X-Ref |
| Normal but significant events. param: string $message param: mixed[] $context return: void |
| info($message, array $context = array() X-Ref |
| Interesting events. Example: User logs in, SQL logs. param: string $message param: mixed[] $context return: void |
| debug($message, array $context = array() X-Ref |
| Detailed debug information. param: string $message param: mixed[] $context return: void |
| log($level, $message, array $context = array() X-Ref |
| Logs with an arbitrary level. param: mixed $level param: string $message param: mixed[] $context return: void |
