Accomplish this foreach task with a built-in PHP array function

Question

How can we accomplish this foreach task with a built-in PHP array function?

$requestProducts = $this->request['products'];

$products = [];

foreach ($requestProducts as $product) {
    if (!empty($product['search']['value'])) {
        array_push($products, [
            'name' => $product['name'],
            'title' => $product['title'],
            'search' => $product['search']['value']
        ]);
    }
}

Something in this way I would like to have but without null values.

$requestProducts = $this->request['products'];

$products = array_map(function ($product) {
    if (!empty($product['search']['value'])) {
        return [
            'name' => $product['name'],
            'title' => $product['title'],
            'search' => $product['search']['value']
        ];
    }
    return null; // without null
}, $requestProducts);

$products = array_filter($products) // without this

The task should look encapsulated.

foreach approach is good enough for your case

RomanPerekhrest
– RomanPerekhrest

2018-01-06 12:34:27 +00:00
Commented Jan 6, 2018 at 12:34 — RomanPerekhrest
– RomanPerekhrest, Commented Jan 6, 2018 at 12:34

u_mulder · Accepted Answer · 2018-01-06 12:25:49Z

1

Solution with array_reduce:

$requestProducts = $this->request['products'];

$products = array_reduce(
    // your values
    $requestProducts,                   
    // reducing function
    function ($t, $product) {
        if (!empty($product['search']['value'])) {
            $t[] = [
                'name' => $product['name'],
                'title' => $product['title'],
                'search' => $product['search']['value']
            ];
        }

        return $t;
    }, 
    // initial value for reduced items
    []
);

answered Jan 6, 2018 at 12:25

u_mulder

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