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<?php declare(strict_types=1);
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Handler;
/**
* Interface that all Monolog Handlers must implement
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*
* @phpstan-import-type Record from \Monolog\Logger
* @phpstan-import-type Level from \Monolog\Logger
*/
interface HandlerInterface
{
/**
* Checks whether the given record will be handled by this handler.
*
* This is mostly done for performance reasons, to avoid calling processors for nothing.
*
* Handlers should still check the record levels within handle(), returning false in isHandling()
* is no guarantee that handle() will not be called, and isHandling() might not be called
* for a given record.
*
* @param array $record Partial log record containing only a level key
*
* @return bool
*
* @phpstan-param array{level: Level} $record
*/
public function isHandling(array $record): bool;
/**
* Handles a record.
*
* All records may be passed to this method, and the handler should discard
* those that it does not want to handle.
*
* The return value of this function controls the bubbling process of the handler stack.
* Unless the bubbling is interrupted (by returning true), the Logger class will keep on
* calling further handlers in the stack with a given log record.
*
* @param array $record The record to handle
* @return bool true means that this handler handled the record, and that bubbling is not permitted.
* false means the record was either not processed or that this handler allows bubbling.
*
* @phpstan-param Record $record
*/
public function handle(array $record): bool;
/**
* Handles a set of records at once.
*
* @param array $records The records to handle (an array of record arrays)
*
* @phpstan-param Record[] $records
*/
public function handleBatch(array $records): void;
/**
* Closes the handler.
*
* Ends a log cycle and frees all resources used by the handler.
*
* Closing a Handler means flushing all buffers and freeing any open resources/handles.
*
* Implementations have to be idempotent (i.e. it should be possible to call close several times without breakage)
* and ideally handlers should be able to reopen themselves on handle() after they have been closed.
*
* This is useful at the end of a request and will be called automatically when the object
* is destroyed if you extend Monolog\Handler\Handler.
*
* If you are thinking of calling this method yourself, most likely you should be
* calling ResettableInterface::reset instead. Have a look.
*/
public function close(): void;
}
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