laravel-4.2 | 易学教程

laravel datatable relationships

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问题 So in this app Drawing belongsTo Customer . I have datatable <table id='drawing-table' class="table table-bordered table-hover"> <thead> <tr> <th>Drawing number</th> <th>Customer</th> </tr> </thead> </table> which indicates $darwing->number and $customer->title . To load info I use yajra\Datatables\Datatables; . Data is loaded with this JS method: $(function () { $('#drawing-table').DataTable({ processing: true, serverSide: true, ajax: '{{route('drawings.datatable')}}', columns: [ { data:

Composer/Laravel install package from existing files when external repository no longer exists

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问题 I have the following problem: I have an old project which uses Laravel 4.2, PHP 5.5.9 and Composer. I'm trying to set it up on a different computer (With Laravel 4.2.2 and PHP 5.6) but one of the required packages has a dependency which is missing because whoever was managing that GitHub account decided to remove it. Thus, the required package can't be installed via Composer. Now, the old project has these packages downloaded and I can copy both of them manually. What I don't know, is how to

Composer/Laravel install package from existing files when external repository no longer exists

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Laravel Input::hasFile('image') returns false even if a File is uploaded

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问题 I have a Form field for an Image upload, which I open with 'files' => true, like so: {{ Form::label('image', 'Image') }} {{ Form::file('image') }} And in my Controller I want to check if a File was uploaded and do something with it: if (Input::hasFile('image')){ $in_path = 'img/'; $in_extension = Input::file('image')->getClientOriginalExtension(); $filename = Input::get('name').".".$in_extension; Input::file('image')->move($in_path, $filename); $user->image = $filename; } But Input::hasFile

Laravel - get DB result without table column name

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问题 I wanted to have the result with only the values not with the table column name in Laravel 4.2. For example, $recs = DB::table('table_name') ->select('id', 'title') ->get(); the result is array(2) { [0]=> object(stdClass)#863 (2) { ["id"]=> int(2) ["title"]=> string(8) "my title" } [1]=> object(stdClass)#862 (2) { ["id"]=> int(3) ["title"]=> string(10) "my title 2" } } but I want to have only the result NOT the column name, like [ 2, "my title" ], [ 3, "my title 2" ] yes, I can make it by

Run function from Button or URL in Laravel

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问题 I have the following test function, that I want to call directly from my URL or by clicking a link from my blade view. public function callMeDirectlyFromUrl() { return "I have been called from URL :)"; } My Question: Is it possible to call a function directly from button-click or URL link from blade view in Laravel? 回答1: Here is the solution: We assume you have a function callMeDirectlyFromUrl in YourController , here how you can call the function directly from URL, Hyperlink or Button.

phpcs - class must be in a namespace of at least one level - how to fix?

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问题 I am using laravel 4.2. Lets say there is such class: class BShopsController extends ShopsController To fix this, I try to use name space lets say this: namespace app\controllers; and then it does not find ShopsController so I add use \ShopsController; Then I get error: Class BShopsController does not exist What namespace should I use first of all so it would not break anything? Edit: BShopsController and ShopsController are in folder Shops 回答1: As your files are inside the Shops folder and I

Running Artisan Command from laravel 4.2 Controller

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问题 I am trying to execute some custom artisan command from controller like Artisan::call('php artisan MyCustomCommand'); but it works fine when I execute php artisan MuCustomCommand from CLI . I have registered command in app/start/artisan.php. Even Artisan::call('php artisan --help'); is not working. 回答1: You should run artisan command like this from your controller . Example : Artisan::call('migrate:install'); So Instead of doing Artisan::call('php artisan MyCustomCommand'); You should do

Error: ReCAPTCHA placeholder element must be empty

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问题 I am using recaptcha with my laravel application. I just want to check recaptcha's response on form submit using jquery and stop user by alert that pleade validate captcha. but , I could not stop form submission even if captcha is not filled. here is my code. $('#payuForm').on('submit', function (e) { var response = grecaptcha.getResponse(); if(response.length == 0 || response == '' || response ===false ) { alert('Please validate captcha.'); e.preventDefault(); } }); <div class="captcha"> {{

Run function from Button or URL in Laravel

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I have the following test function, that I want to call directly from my URL or by clicking a link from my blade view. public function callMeDirectlyFromUrl() { return "I have been called from URL :)"; } My Question: Is it possible to call a function directly from button-click or URL link from blade view in Laravel? Here is the solution: We assume you have a function callMeDirectlyFromUrl in YourController , here how you can call the function directly from URL, Hyperlink or Button. Create Route Route::get('/pagelink', 'YourController@callMeDirectlyFromUrl'); Add link in the view blade php file