PHP code example of marcegarba / funccoll

1. Go to this page and download the library: Download marcegarba/funccoll 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/ */

marcegarba / funccoll example snippets


use Marcegarba\FuncColl\Collection;

$sum = Collection::fromArray(range(1, 10))
    ->filter(function ($elem) { return $elem % 2 != 0; })
    ->take(3)
    ->map(function ($elem) { return $elem * 2; })
    ->reduce(function ($acc, $num) { return $acc + $num; });

echo $sum; // Outputs 18


use Marcegarba\FuncColl\Collection;

$pdo = new PDO(...);

$stmt = $pdo->query('SELECT * from items');

$generator = function () use ($stmt) {
    return $stmt->fetch(PDO_ASSOC);
}

$items =
    Collection::generate($generator, 100)
    ->map(function ($row) { return new Item($row); });