Test.md

1. What is the output of the following code:

$a = '1';
$b = &$a;
$b = "2$b";
echo $a.", ".$b;

2. What is the difference between $_GET and $_POST?
3. What does the isset() function mean?
4. Convert bellow conditional statements to ternary conditional operator?

if ($val > 8) {
  echo 'bad';
} else {
  echo 'good';
}

5. Explain how we handle exceptions in PHP?
6. What are the uses of explode() and implode() functions?
7. How can we load and call library in CodeIgniter framework?

1. 1,21
2. $_POST -> get data from form
   $_GET -> get value from url
3. pengecekan sudah di devined atau belum
4. $val > 8 ? "bad" : "good";
5. with try catch
6. explode() -> memisahkan value ke dalam bentuk array
   implode() -> menggabungkan array ke dalam bentuk 1 value
7. $this->load->library(name);