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

44 votes153 views6 answers
Call seeder laravel
PHP
11 votes228 views6 answers
Datetime validation in laravel
PHP
1 vote153 views1 answer
Php get content phpinfo without show
PHP
1 vote172 views2 answers
Php replace space with 20
PHP
7 votes143 views6 answers
Wordpress get post id
PHP
2 votes193 views4 answers
Laravel htaccess
PHP
0 vote163 views1 answer
Php add km to longitude
PHP
18 votes211 views6 answers
Laravel form validation
PHP Laravel
0 vote182 views1 answer
Withsuccess laravel 8
PHP Laravel
1 vote159 views1 answer
Wordpress get id from page title
PHP