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The App Agent for PHP instruments the PHP reporting facility. PHP applications can use trigger_error to report errors through that facility. PHP extensions and PHP itself can also use the PHP facility for reporting errors.

However, the App Agent for PHP does not report errors that occur during an exit call but instead creates a synthetic exception for such errors.

You can configure the threshold for log messages and exceptions that the PHP agent reports as errors. You can also define exceptions that should not be included in the business transaction error count and log messages that should not be reported to the controller.

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