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 vote146 views1 answer
Install execute array in php
PHP
0 vote162 views2 answers
Php infinite loop
PHP
0 vote137 views1 answer
How to change laravel logo image
PHP
13 votes137 views5 answers
Zsh: command not found: laravel
PHP
0 vote141 views1 answer
Validate rule if row exist laravel
PHP
2 votes377 views1 answer
Wordpress display all variables
PHP Wordpress
0 vote165 views1 answer
Wordpress disable errors
PHP Wordpress
1 vote141 views1 answer
Php inline if null check
PHP
0 vote139 views1 answer
Php unlink
PHP
0 vote221 views1 answer
Comment supprimer les avis sur les produits de votre boutique WooCommerce
PHP