How to enable debugging mode in yii

# (Recommended learning: yii framework )

main.php

Open debugging Mode:

define('YII_DEBUG', true); //是否调试BUG，本地测试请打开
defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL', 3);

Add log configuration:

'log' => array(
    'class' => 'CLogRouter',
    'routes' => array(
        array(
            'class' => 'CFileLogRoute',
            'levels' => 'error, warning',
        ),
        array(
            'class'=>'CWebLogRoute',
            'levels'=>'trace',//提示的级别
            'categories'=>'system.db.*',
        ),
    ),
),

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