Array filter use key

$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed  = ['foo', 'bar'];
$filtered = array_filter(
    $my_array,
    function ($key) use ($allowed) {
        return in_array($key, $allowed);
    },
    ARRAY_FILTER_USE_KEY
);

Source: stackoverflow.com

Filter value in array php return single value

?php
$data= [
    0 => [1, 'test1'],
    1 => [2, 'test2'],
    2 => [3, 'test3'],
];

$ids = array_map(function($item) {
    return $item[0];
}, $data);

var_dump($ids);

-2

Similar codes

0 vote233 views1 answer
Laravel collection reverse
PHP
0 vote310 views1 answer
Laravel 8 model filter
PHP Laravel
0 vote279 views1 answer
Adding another return message from Laravel Livewire
PHP
0 vote196 views1 answer
Set post views count using post meta
PHP
0 vote190 views1 answer
Php add km to longitude
PHP
4 votes374 views5 answers
Removing index.php in codeigniter
PHP CodeIgniter
0 vote301 views1 answer
Laravel curl request
PHP
0 vote186 views1 answer
Laravel permission create role
PHP
23 votes200 views5 answers
Ucwords in php
PHP
19 votes225 views6 answers
Laravel Route Group
PHP Laravel