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

2 votes103 views5 answers
Config file php
PHP
0 vote99 views1 answer
Check if host is local in php
PHP
0 vote99 views2 answers
Php glob
PHP
5 votes96 views5 answers
Table drop foreign php laravel
PHP
1 vote113 views2 answers
Php date strtotime add days
PHP
5 votes102 views2 answers
Laravel jetstream livewire
PHP
0 vote101 views1 answer
Modal align center yii2
PHP
0 vote116 views1 answer
How to fetch all user data form user in wp
PHP Wordpress
7 votes103 views6 answers
Laravel url
PHP
2 votes113 views4 answers
Enable / Disable modules in PHP
PHP