laravel-5

问题 i am filtering data using collections. But i need to use like method. I had tried to write like this : ('name', 'LIKE', '%value%') but it did not work. Here is my method : protected function filterData(Collection $collection, $transformer) { foreach (request()->query() as $query => $value) { $attribute = $transformer::originalAttribute($query); if (isset($attribute, $value)) { $collection = $collection->where($attribute, $value); } } return $collection; } 回答1: The 1st question is whether you

问题 Hi there below is what I'm storing in my db but when I use my get method in my model I have to use json_decode twice when formating my data why is this happening and can I have it just use it once somehow. json exactly in db: "[{\"id\":\"1\",\"country\":\"New Zealand\",\"shipping_rate\":\"1\"},{\"id\":\"2\",\"country\":\"Australia\",\"shipping_rate\":\"2\"}]" Model Get Method: public function getshippingAttribute() { return $this->attributes['shipping'] ? json_decode(json_decode($this-

问题 Does laravel provide a way to prevent multiple logins of a user from different devices / browsers at a given time? If yes then how can i force a user to logged in from a single device at a single time. I am developing a online quiz app using laravel 5.6 where users can logged in from a single place and take test. 回答1: laravel provide this method to invalidating and "logging out" a user's sessions that are active on other devices logoutOtherDevices() to work with this method you need also to

问题 Does laravel provide a way to prevent multiple logins of a user from different devices / browsers at a given time? If yes then how can i force a user to logged in from a single device at a single time. I am developing a online quiz app using laravel 5.6 where users can logged in from a single place and take test. 回答1: laravel provide this method to invalidating and "logging out" a user's sessions that are active on other devices logoutOtherDevices() to work with this method you need also to

问题 My modal works so well and can delete data but not the exact id that i selected to delete like example id: 1, 2, 3, 4 and i will select id: 4 but the id: 4 will not delete the id deleted is id: 1 this is my delete function inside AllSystemController public function deletestorydata($id) { $story = Story::findOrFail($id); $story->delete(); return redirect()->back()->with('success', 'Data has successfully deleted.'); } and this is my route web.php in story section Route::get('stories/table',

问题 My modal works so well and can delete data but not the exact id that i selected to delete like example id: 1, 2, 3, 4 and i will select id: 4 but the id: 4 will not delete the id deleted is id: 1 this is my delete function inside AllSystemController public function deletestorydata($id) { $story = Story::findOrFail($id); $story->delete(); return redirect()->back()->with('success', 'Data has successfully deleted.'); } and this is my route web.php in story section Route::get('stories/table',

问题 My modal works so well and can delete data but not the exact id that i selected to delete like example id: 1, 2, 3, 4 and i will select id: 4 but the id: 4 will not delete the id deleted is id: 1 this is my delete function inside AllSystemController public function deletestorydata($id) { $story = Story::findOrFail($id); $story->delete(); return redirect()->back()->with('success', 'Data has successfully deleted.'); } and this is my route web.php in story section Route::get('stories/table',

问题 I need to display reproductions based on Gender Condition Reproduction Table: $table->bigIncrements('id'); $table->unsignedInteger('father_id'); $table->unsignedInteger('mother_id'); ... I need to retrieve reproductions according to the gender User.php public function reproductions(){ if($this->gender == 'm'){ return $this->hasMany(Reproduction::class, 'father_id'); }else{ return $this->hasMany(Reproduction::class, 'mother_id'); } } Reproduction Table: id father_id mother_id 1 1 2 2 1 3 3 1 4

问题 I am getting this error for validation of form. Method Illuminate\Validation\Validator::validateReqiured does not exist. <?php namespace App\Http\Controllers; use Illuminate\Http\Request; use App\Event; use Illuminate\Support\Facades\Validator; use Illuminate\Validation\ValidationRequired; class EventController extends Controller { protected $events; public function __construct() { $this->property = new Event(); } /* get all data */ public function getEvents() { $events =Event::latest()-

问题 I am trying to use hasone relation but getting null error. below is my code User Model: function profile() { $this->hasOne('App\Profile'); } Profile Model: function User() { return $this->belongsTo('App\User'); } Register Controller protected function create(array $data) { $user = User::create([ 'name' => $data['name'], 'email' => $data['email'], 'password' => Hash::make($data['password']), ]); if($user) { $profile = new Profile(); $profile->name = 'Fake Name'; $profile->father = 'Fake Father