solve Notice: Array to string conversion in C:\xampp\htdocs\aba\admin\take_attendance2.php on line 16 code example

Example 1: Notice: Array to string conversion php

// use the builtin php function print_r or var_dump:
$stuff = array(1,2,3);
print_r($stuff);
$stuff = array(3,4,5);
var_dump($stuff);

Example 2: Notice: Array to string conversion php

$stuff = array(1,2,3);
print_r($stuff);
$stuff = array(3,4,5);
var_dump($stuff);