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yii2如何开启debug

1、 在web/index.php文件中添加下面两行代码：

defined('YII_DEBUG') or define('YII_DEBUG', true);defined('YII_ENV') or define('YII_ENV', 'dev');

2、打开yii config目录下的web.php文件，找到如下配置

if (YII_ENV_DEV) {       // configuration adjustments for 'dev' environment    $config['bootstrap'][] = 'debug';    $config['modules']['debug'] = [        'class' => 'yii\debug\Module',    // uncomment the following to add your IP if you are not connecting from localhost.        'allowedIPs' => ['127.0.0.1', '我的IP'],      ];    $config['bootstrap'][] = 'gii';    $config['modules']['gii'] = [            'class' => 'yii\gii\Module',            // uncomment the following to add your IP if you are not connecting from localhost.        'allowedIPs' => ['127.0.0.1', '我的IP'],    ];}

把自己的IP添加进去即可。

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