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 vote323 views1 answer
Php compress csv file
PHP
0 vote307 views1 answer
Asserts php 8.1
PHP
2 votes319 views1 answer
Php time format am pm
PHP
8 votes306 views6 answers
Laravel command not found
PHP
3 votes347 views1 answer
Laravel edit form modal example
PHP Laravel
1 vote339 views1 answer
Laravel get first letter of each word
PHP Laravel
0 vote290 views1 answer
Php meta
PHP
0 vote310 views1 answer
Php print number
PHP
1 vote301 views2 answers
Laravel model set new attribute
PHP Laravel
4 votes373 views1 answer
Wp enqueue
PHP Wordpress