Laravel
How to Generate a QR Code in Laravel
A QR code package turns any string — a URL, a ticket ID, WiFi credentials — into a scannable SVG or PNG in a single method call.
GUIDES
Guides — Page 5
Reader Stacks covers PHP, Laravel, Angular, Flutter, DevOps, and security tutorials for working developers.
Laravel
How to Convert HTML to PDF in Laravel
Rendering a Blade view to PDF is a matter of passing its rendered HTML to a PDF library like DomPDF — the same view can double as both the web page and the downloadable PDF.
Laravel
How to Search JSON Data in a Laravel Database Column
Beyond storing JSON, Eloquent's whereJsonContains() and arrow-path syntax let you actually filter and search inside that structured data at the database level.
Laravel
How to Enable CORS in a Laravel or PHP API
A browser blocks cross-origin requests by default — CORS headers on the server are what explicitly permit a specific frontend origin to actually call your API.
Laravel
How to Run Background Queue Jobs in Laravel
Dispatching a job pushes it onto a queue instead of running it inline — the request returns to the user immediately, while a separate queue worker process actually does the slow work.
Databases & APIs
How to Print the Raw SQL Query in Laravel Eloquent
toSql(), getBindings(), and DB::listen() — the difference between seeing the query shape and seeing the actual query that ran, bindings included.
Laravel
How to Create a Custom Facade in Laravel
A facade is a static-looking proxy to an object resolved from the service container — creating your own is three small pieces: the underlying class, the facade class, and (optionally) a binding.
Laravel
Laravel Blade Fundamentals: Variables, Conditionals, Loops, and Raw HTML
{!! !!} deliberately skips Blade's automatic HTML escaping — the right choice for trusted, pre-sanitized HTML, and an XSS vulnerability waiting to happen for anything containing raw user input.
Angular
Angular Utility Grab Bag: Global Variables, Reusable Components, and CLI Generation
A service marked providedIn: 'root' is Angular's real equivalent of a global variable — a genuine singleton shared across the whole app, unlike a plain module-level constant, which every importer gets its own independent copy of.
Angular
How to Check the User's Browser or Device in Angular
navigator.userAgent is plain browser JavaScript, not an Angular API — genuinely useful for a quick check, but it's a notoriously unreliable string to parse for anything beyond the broadest categories.
Laravel
Getting the Current URL in a Laravel Blade File
url()->current(), request()->fullUrl(), and route()->currentRouteName() — the difference between the URL, the route name, and the query string, and when each one is the right check.
Databases & APIs
How to Check If an Eloquent Collection Is Empty (and Count It Correctly)
count(), isEmpty(), isNotEmpty(), and the N+1-query mistake people make trying to "optimize" an empty check on an Eloquent relationship.