Extract::__invoke()   A
last analyzed

Complexity

Conditions 2
Paths 1

Size

Total Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 12
rs 9.8666
c 0
b 0
f 0
cc 2
nc 1
nop 0
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<?php
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namespace Spatie\CollectionMacros\Macros;
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use Illuminate\Support\Collection;
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/**
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 * Extract keys from a collection, like `only`, except:
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 * - If a value doesn't exist, it returns null instead of omitting it
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 * - It returns a collection without keys, so `list()` can be used.
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 *
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 * @mixin \Illuminate\Support\Collection
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 *
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 * @return \Illuminate\Support\Collection
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 */
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class Extract
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{
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    public function __invoke()
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    {
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        return function ($keys): Collection {
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            $keys = is_array($keys) ? $keys : func_get_args();
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            return array_reduce($keys, function ($extracted, $key) {
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                return $extracted->push(
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                    data_get($this->items, $key)
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Bug introduced by Rod Elias
The property items does not exist. Did you maybe forget to declare it?

In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:

class MyClass { }

$x = new MyClass();
$x->foo = true;

Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion:

class MyClass {
    public $foo;
}

$x = new MyClass();
$x->foo = true;
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                );
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            }, new static());
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        };
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    }
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}
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