PHP code example of hassan / one-loop

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

hassan / one-loop example snippets

$users = App\User::all();

$ids = one_loop($users)->reject(static function ($user) {
    return $user->age < 20;
})
->map(static function ($user) {
    return $user->id;
})
->apply();

// Get first 100 active users
$users = one_loop($allUsers)
    ->filter(fn($user) => $user->active)
    ->limit(100)
    ->apply();

// Alias: take()
$users = one_loop($allUsers)
    ->filter(fn($user) => $user->active)
    ->take(100)
    ->apply();

// Pluck by property name
$emails = one_loop($users)
    ->pluck('email')
    ->apply();

// Pluck with callback
$fullNames = one_loop($users)
    ->pluck(fn($user) => $user->first_name . ' ' . $user->last_name)
    ->apply();

// Unique values
$uniqueDepartments = one_loop($employees)
    ->pluck('department')
    ->unique()
    ->apply();

// Unique by key
$uniqueUsers = one_loop($users)
    ->unique('email')
    ->apply();

// Group by property
$byDepartment = one_loop($employees)
    ->groupBy('department')
    ->apply();

// Group by callback
$byAgeGroup = one_loop($users)
    ->groupBy(function($user) {
        if ($user->age < 30) return 'young';
        if ($user->age < 50) return 'middle';
        return 'senior';
    })
    ->apply();

$shouldFilterActive = true;

$result = one_loop($users)
    ->when($shouldFilterActive, function($loop) {
        $loop->filter(fn($user) => $user->active);
    })
    ->map(fn($user) => $user->id)
    ->apply();

use Illuminate\Support\Collection;

// Use on any Collection
$result = User::all()
    ->oneLoop()
    ->filter(fn($user) => $user->active)
    ->map(fn($user) => $user->id)
    ->apply();

// E-commerce: Process large product catalog
$products = Product::all()  // 500,000 products
    ->oneLoop()
    ->filter(fn($p) => $p->active)
    ->reject(fn($p) => $p->stock <= 0)
    ->when($categoryFilter, fn($loop) => 
        $loop->filter(fn($p) => in_array($p->category_id, $categoryFilter))
    )
    ->map(fn($p) => [
        'id' => $p->id,
        'name' => $p->name,
        'price' => $p->price * 0.9  // 10% discount
    ])
    ->limit(1000)
    ->apply();

// Result: 35% faster than standard operations!