The error message is: A facade root has not been set.
Any advice is really helpful.
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Possible duplicate of [Eloquent error: A facade root has not been set](https://stackoverflow.com/questions/35418810/eloquent-error-a-facade-root-has-not-been-set) – R B Jan 18 '19 at 05:04
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1try only. use \DB – PHP Geek Jan 18 '19 at 05:09
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what you are trying to do , what emc.php does and where it is located in laravel app ? – Niklesh Raut Jan 18 '19 at 05:11
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Please see this : https://stackoverflow.com/questions/43789071/how-to-make-database-query-inside-a-config-file for your solution – Dharmit Fulmali Jan 18 '19 at 05:33
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Please see below url for your solution: https://stackoverflow.com/questions/43789071/how-to-make-database-query-inside-a-config-file – Dharmit Fulmali Jan 18 '19 at 05:36
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@C2486 ems.php is located in config folder of laravel root directory, and ems.php used as a config file. – neifnei Jan 18 '19 at 06:59
1 Answers
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You should try this:
Leave a default or null value in your config/database.php file. Create a new service provider (either with the artisan command or manually)
php artisan make:provider DatabaseConfigProvider
Then add the new provider to the $providers array in your config/app.php file.
Finally add the following code to the boot() method.
public function boot()
{
$result= \DB::select('select version() as version')[0];
$this->app['config']->put('database.connections.mysql.version', $result->version);
}
The key in the put() argument can be whatever you want.
Dharmit Fulmali
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Finnally I changed the config file approach to database approach . Anyway，thanks for you help. – neifnei Jan 18 '19 at 07:03