70 lines
2.3 KiB
ReStructuredText
70 lines
2.3 KiB
ReStructuredText
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Using multiple Monolog Loggers
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==============================
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Having separate instances of Monolog for different parts of your system is
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often desirable and allows you to configure them independently, allowing for fine
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grained control of where your logging goes and in what detail.
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This simple example allows you to quickly configure several monolog instances,
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using the bundled handler, but each with a different channel.
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.. code-block:: php
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$app['monolog.factory'] = $app->protect(function ($name) use ($app) {
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$log = new $app['monolog.logger.class']($name);
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$log->pushHandler($app['monolog.handler']);
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return $log;
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});
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foreach (array('auth', 'payments', 'stats') as $channel) {
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$app['monolog.'.$channel] = function ($app) use ($channel) {
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return $app['monolog.factory']($channel);
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};
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}
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As your application grows, or your logging needs for certain areas of the
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system become apparent, it should be straightforward to then configure that
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particular service separately, including your customizations.
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.. code-block:: php
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use Monolog\Handler\StreamHandler;
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$app['monolog.payments'] = function ($app) {
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$log = new $app['monolog.logger.class']('payments');
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$handler = new StreamHandler($app['monolog.payments.logfile'], $app['monolog.payment.level']);
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$log->pushHandler($handler);
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return $log;
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};
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Alternatively, you could attempt to make the factory more complicated, and rely
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on some conventions, such as checking for an array of handlers registered with
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the container with the channel name, defaulting to the bundled handler.
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.. code-block:: php
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use Monolog\Handler\StreamHandler;
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use Monolog\Logger;
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$app['monolog.factory'] = $app->protect(function ($name) use ($app) {
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$log = new $app['monolog.logger.class']($name);
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$handlers = isset($app['monolog.'.$name.'.handlers'])
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? $app['monolog.'.$name.'.handlers']
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: array($app['monolog.handler']);
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foreach ($handlers as $handler) {
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$log->pushHandler($handler);
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}
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return $log;
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});
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$app['monolog.payments.handlers'] = function ($app) {
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return array(
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new StreamHandler(__DIR__.'/../payments.log', Logger::DEBUG),
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);
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};
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