Check array has keys in php

Php key in array exists

<?php
$search_array = array('first' => null, 'second' => 4);

// returns false
isset($search_array['first']);

// returns true
array_key_exists('first', $search_array);
?>

Source: php.net

Php array has key

array_key_exists('key', $your_array);

Check array has keys in php

<?php

// The values in this arrays contains the names of the indexes (keys) 
// that should exist in the data array
$required = array('key1', 'key2', 'key3');

$data = array(
    'key1' => 10,
    'key2' => 20,
    'key3' => 30,
    'key4' => 40,
);

if (count(array_intersect_key(array_flip($required), $data)) === count($required)) {
    // All required keys exist!
}

Source: stackoverflow.com

Similar codes

0 vote254 views1 answer
First-class Callable Syntax - PHP 8.1
PHP
0 vote234 views1 answer
User location using php
PHP
0 vote307 views1 answer
Laravel withValidator
PHP Laravel
0 vote291 views1 answer
Laravel breeze rquire
PHP
8 votes253 views1 answer
How to list out routes
PHP
0 vote195 views1 answer
Php artisan serve lumen
PHP
0 vote232 views1 answer
Prevent resubmition on page reload
PHP
7 votes306 views3 answers
Wordpress custom loop
PHP Wordpress
1 vote253 views1 answer
Laravel validateexception no error description
PHP
0 vote246 views1 answer
How to select and deselect all items without use name in laravel
PHP