CFileLog log record format rewriting of YII

The CFileLog log record format of YII is rewritten. the log record format of yii is a string, which is difficult to index and classify in some log analysis systems, such as splunk. The typical yii log format is as follows:

The date, level, category, and message information are mixed together. it is difficult to analyze the main message. splunk is json-friendly and will format json into an array, we combine the four attributes in a json file, analyze the left graph, find the key formatLogMessage function, and change it to the right graph format:

The effect is as follows:

The format in splunk is as follows: