PHP code example of php-brasil / collection

1. Go to this page and download the library: Download php-brasil/collection library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

php-brasil / collection example snippets




use PhpBrasil\Collection\Pack;

$array = Pack::create([['name' => 'PHP']]);

foreach ($array as $item) {
    echo 'item ~> ', $item, ';', PHP_EOL;
}
# item ~> PHP;




use PhpBrasil\Collection\Pack;

$pack = Pack::create([
  ['id' => 3, 'amount' => 60],
  ['id' => 2, 'amount' => 20],
  ['id' => 3, 'amount' => 125],
]);

$reduced = $pack->reduce(function($accumulator, $value) {
    $id = prop($value, 'id');
    $amount = prop($value, 'amount');

    if (!isset($accumulator[$id])) {
      $accumulator[$id] = [
        'id' => $id,
        'amount' => 0,
      ];
    }

    $accumulator[$id]['amount'] = $accumulator[$id]['amount'] + $amount;

    return $accumulator;
}, []);

echo stringify($reduced);




use function PhpBrasil\Collection\pack;

$array = pack([['name' => 'PHP']]);
echo 'with-pluck ~> ', $array->pluck('name'), ';', PHP_EOL;
echo 'original ~> ', $array, ';', PHP_EOL;
# [
#     "PHP"
# ];
# [
#     [
#         "name" => "PHP"
#     ]
# ];


echo Pack::create(['A', '', 'C'])->filter();
# [
#   0 => "A",
#   2 => "C"
# ];


$statement = $pdo->prepare("SELECT id, name FROM users WHERE name = ?");
$statement->execute([get('name')]);
$users = Fetch::create($statement->fetchAll(PDO::FETCH_ASSOC), User::class);

$first = $users->current();
echo get_class($first);
echo $first->id;
# User
# 1