Q1 . What are superglobals in PHP?

Check Answer

SOLUTION

Super globals are variables that store the values and keep to be used in the page to fetch values dynamically .Some super globals are

$cookie

$session.

Q2 . What is the use of $server in PHP?

Check Answer

SOLUTION

It is used to access the values of the server ,IP address ,protocol ,HTTP details and so on.

Examples of some

$_SERVER['SERVER_ADDR']

this is used to get the IP address of the server.

Q3 . What is the use of $request in PHP?

Check Answer

SOLUTION

It is used to fetch the form submit data from a HTML.

For example

$_REQUEST['data']

When the form is submitted the element the value of data will be accessed.

Q4 . What is the use of $get?

Check Answer

SOLUTION

It is a super global.It is used to store the data submitted using a GET method from a php.

GET['name']

This will get the value of an element of name submitted using get method.

Q5 . What is the use of $post in PHP?

Check Answer

SOLUTION

It is a super global.It is used to store the data submitted using a POST method from a php.

$_POST['name']

This will get the value of an element of name submitted using POST method.

Q6 . What is the use of $session in PHP?

Check Answer

SOLUTION

It is a superglobal.After a session is started the values can be stored in the session variable $_SESSION[]

This value only remains till the session is active.

Session data is stored in the server unlike cookies in the client machines.

Q7 . What are multi dimensions and arrays in PHP?

Check Answer

SOLUTION

Multidimensional arrays are arrays containing arrays as elements inside them.$student = array

(

array("name1",90,100)

);

We can access the elements by using parameters

$students[0][0].

Q8 . what is error handling in PHP?

Check Answer

SOLUTION

We can create a custom error handler using the following function.

set_error_handler()

Q9 . What are Exceptions in PHP?

Check Answer

SOLUTION

Exceptions are objects that can be used to handle the errors.We can use the

try throw and catch

to handle all the exceptions

Q10 . What is MySQl?

Check Answer

SOLUTION

MYSQL is free and opersource database that is hosted on server and can be used from PHP using functions.

You are Currently reading

PHP Interview Questions-3

for more Interview Questions on PHP

• PHP Interview Questions-1
• PHP Interview Questions-2
• PHP Interview Questions-3
• PHP Interview Questions-4