PHP header debug, Yii2 hit log

Source: Internet
Author: User
Tags yii

1 Force refresh View with header: Add at the beginning of the page

<? PHP Header ("Expires:mon, Jul 1997 05:00:00 GMT"); Header ("Cache-control:no-cache"); Header ("Pragma:no-cache");? >

2 Jump to error page, print out error message: When the value is abnormal, jump to the error.php page, and print out the error message, create a new error.php file under the Web folder, print it

    if ($result,return!==0) {            //yii:: GetLogger ()-log($ret- >error, yii\log\logger::level_error);             Header (' location:error.php?error= '. $result, error);             Exit ();        }    

3 The log of the YII2 itself is also well used in the development phase, writing directly yii::getlogger ()->log ($data, yii\log\logger::level_error);

You can then go to the runtime to query the App.log file view can

PHP header debug, Yii2 hit log

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