Laravel get group of arrays - php

Question

I have code below and result is like:
array:2 [▼
0 => array:1 [▼
"CPU" => "AMD a5"
]
1 => array:1 [▼
"CPU" => "AMD a9"
]
]
I want to group them in same array like
CPU => [
"0" => "AMD a5",
"1" => "AMD a9"
]
Code
$category = Category::where('slug', $slug)->where('status', '=', 'active')->first();
$products = $category->products;
foreach ($products as $product) {
foreach($product->attributes as $attribut){
$attributes[] = [$attribut->group->title => $attribut->title];
}
}
What should I change?

Answer 1

If you want a bit of a more scalable solution where you might have multiple attribute types, the following may help:
$attributes = [
[
'CPU' => 'AMD A5'
],
[
'CPU' => 'AMD A9'
],
[
'GFX' => 'AMD'
]
];
return collect($attributes)
->groupBy(function($item) {
return key($item);
})
->map(function($item) {
return array_flatten($item);
})
->toArray();
The output of the above will be:
array:2 [▼
"CPU" => array:2 [▼
0 => "AMD A5"
1 => "AMD A9"
]
"GFX" => array:1 [▼
0 => "AMD"
]
]
Here's an example you can play with.

Answer 2

if your $attribut->group->title is "CPU" and your $attribut->title is "AMD a5"
then you can use this
foreach ($products as $product) {
foreach($product->attributes as $attribut){
$attributes[$attribut->group->title][] = $attribut->title;
}
}
from #mozammil answer if you still wanna do using foreach
$attributes =
[
[
'CPU' => 'AMD A5'
],
[
'CPU' => 'AMD A9'
],
[
'GFX' => 'AMD'
]
];
$data = [];
foreach ($attributes as $titles){
foreach ($titles as $title=> $row){
$data[$title][] = $row;
}
}

Answer 3

You can try collection methods here is an example.
$keyed = $collection->map(function ($item,$key) {
return [[$key] => $item['CPU']];
});
For more information
https://laravel.com/docs/5.7/collections#method-map

Answer 4

Use array_column to get one column of an array.
$category = Category::where('slug', $slug)->where('status', '=', 'active')->first();
$products = $category->products;
$cpu = array_column($products, "CPU");
This will return an array as your expected result.
https://3v4l.org/UYPhK
This requires PHP 7 since in older versions array_column can't handle objects