Interface LoggerInterface
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.
Namespace: Psr\
Log
Located at log/Psr/Log/LoggerInterface.php
Methods summary
public
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emergency( string $message, array $context = array() )
System is unusable.
Parameters
Returns
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public
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alert( string $message, array $context = array() )
Action must be taken immediately.
Action must be taken immediately.
Example: Entire website down, database unavailable, etc. This should
trigger the SMS alerts and wake you up.
Parameters
Returns
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public
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#
critical( string $message, array $context = array() )
Critical conditions.
Example: Application component unavailable, unexpected exception.
Parameters
Returns
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public
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error( string $message, array $context = array() )
Runtime errors that do not require immediate action but should typically
be logged and monitored.
Runtime errors that do not require immediate action but should typically
be logged and monitored.
Parameters
Returns
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public
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warning( string $message, array $context = array() )
Exceptional occurrences that are not errors.
Exceptional occurrences that are not errors.
Example: Use of deprecated APIs, poor use of an API, undesirable things
that are not necessarily wrong.
Parameters
Returns
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public
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notice( string $message, array $context = array() )
Normal but significant events.
Normal but significant events.
Parameters
Returns
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public
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info( string $message, array $context = array() )
Interesting events.
Example: User logs in, SQL logs.
Parameters
Returns
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public
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debug( string $message, array $context = array() )
Detailed debug information.
Detailed debug information.
Parameters
Returns
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public
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log( mixed $level, string $message, array $context = array() )
Logs with an arbitrary level.
Logs with an arbitrary level.
Parameters
Returns
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