Array_key_exists vs isset

$a = array('key1' => 'text', 'key2' => null);

isset($a['key1']);             // true
array_key_exists('key1', $a);  // true

isset($a['key2']);             // false
array_key_exists('key2', $a);  // true

Source: stackoverflow.com

Similar codes

4 votes325 views2 answers
Php create object without class
PHP
8 votes347 views4 answers
Session unset
PHP
3 votes345 views2 answers
Get image width and height in laravel
PHP
0 vote309 views1 answer
Parse error: syntax error, unexpected ':', expecting ';' or '{' in //twilio-php-master/src/Twilio/autoload.php on line 61 
PHP
0 vote351 views1 answer
Create auto image path folder in laravel 8
PHP Laravel
0 vote344 views1 answer
Format uang rupiah di php
PHP
0 vote376 views1 answer
How to use “find_in_set” in cakephp 3 find method
PHP
0 vote331 views1 answer
Php artisan tinker encription cmd
PHP
12 votes316 views3 answers
Update composer php version
PHP
0 vote322 views1 answer
Jwt auth laravel auth without password field
PHP