Code Snippets: Laravel, PHP, JavaScript & SQL

Code snippets

Copy-ready answers to everyday coding questions, each with a short explanation. Laravel, PHP, JavaScript, SQL, Bash and more.

5 snippets tagged #ss · Show all

PHP November 2, 2026 Laravel attribute casting and accessors/mutators casts() converts columns to arrays, dates or enums automatically. Attribute::make transforms a value when you read or write it.

<?php

use Illuminate\Database\Eloquent\Casts\Attribute;

Bash October 17, 2026 Linux find and kill a process by port or name Finds what is listening on a port and stops it. Try a normal kill first and only use kill -9 if the process won’t stop.

ss -tulpn | grep :8000        # who is using port 8000
lsof -i :8000                 # same, with lsof
kill <PID>                    # graceful stop
kill -9 <PID>                 # force stop

Bash October 17, 2026 Linux compress and extract tar.gz and zip archives Creates and unpacks the two most common archive formats.

tar -czf backup.tar.gz folder/        # create tar.gz
tar -xzf backup.tar.gz                # extract
tar -xzf backup.tar.gz -C /target/    # extract to a folder
zip -r site.zip folder/               # create zip

PHP October 15, 2026 PHP 8 first-class callable, named arguments, str_contains and match(true) strtolower(...) turns any function into a Closure. Named arguments let you reorder or skip parameters, str_contains and its siblings replace strpos checks, and...

<?php

$lower = strtolower(...);
echo $lower('HELLO'), PHP_EOL; // hello

JavaScript October 14, 2026 JavaScript dark mode toggle that remembers the user’s choice Uses the system preference on the first visit, then saves the user’s choice in localStorage. It sets a data-theme attribute you can style in CSS.

const root = document.documentElement;
const saved = localStorage.getItem('theme');
const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;