Php undefined index meaNING

Php undefined index

// Your array index has no value or is not referencing anything,
// The easiest way to overcome this is to simply check whether
// it has been defined
if (isset($arr[$i])) {
	// Do something
}

Php undefined index meaNING

$_SESSION['yy'] = isset($_POST['yy']) ? $_POST['yy'] : "";     // This is on line 11
$_SESSION['mm'] = isset($_POST['mm']) ? $_POST['mm'] : "";     // This is on line 12
$_SESSION['dd'] = isset($_POST['dada']) ? $_POST['dada'] : ""; // This is on line 13

Source: stackoverflow.com

Similar codes

0 vote310 views1 answer
Symfony header token authorization
PHP
3 votes329 views2 answers
Clear log file laravel command
PHP
0 vote370 views1 answer
Laravel factory get foreign key
PHP Laravel
0 vote332 views3 answers
Laravel how to fetch user from user model based on id from post
PHP Laravel
2 votes349 views3 answers
Multiple primary key defined laravel
PHP Laravel
0 vote389 views1 answer
Guzzlehttp/guzzle version with laravel-websockek
PHP Laravel
1 vote336 views2 answers
Laravel eloquent multiple join
PHP Laravel
1 vote335 views1 answer
Php create url with query sting from array
PHP
0 vote347 views1 answer
Php set title dynamically
PHP
0 vote336 views1 answer
Fakher ul islam khan
PHP