Created
July 17, 2020 16:04
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Array Filtering + Casting Demo
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| <?php | |
| use Illuminate\Support\Str; | |
| use Illuminate\Support\Facades\Route; | |
| Route::get('/', function () { | |
| return view('welcome'); | |
| }); | |
| Route::get('/names', function () { | |
| $names = collect(['Jack', 'Jill', 'Bill', 'Chuck', 'Jane', 'June', 'Jim']); | |
| if ($letter = request('firstLetter', 'J')) { | |
| // This won't work the way you expect, without calling ->values(). | |
| return $names->filter(fn($name) => Str::startsWith($name, $letter)); | |
| } | |
| return $names; | |
| }); | |
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Filter Gotcha</title> | |
| <script src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.x.x/dist/alpine.min.js" | |
| defer | |
| ></script> | |
| </head> | |
| <body> | |
| <div | |
| x-data="{ | |
| names: [], | |
| letter: 'A', | |
| fetchNames() { | |
| fetch('/names?firstLetter=' + this.letter) | |
| .then(response => response.json()) | |
| .then(result => this.names = result); | |
| } | |
| }" | |
| x-init="fetchNames" | |
| > | |
| <select x-model="letter" @change="fetchNames"> | |
| @foreach (range('A', 'Z') as $letter) | |
| <option value="{{ $letter }}">{{ $letter }}</option> | |
| @endforeach | |
| </select> | |
| <ul> | |
| <template x-for="(name, index) in names" :key="index"> | |
| <li x-text="name"></li> | |
| </template> | |
| </ul> | |
| </div> | |
| </body> | |
| </html> |
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