PHP7 SET 4 – Justfinder

PHP 7 Set 4

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Free Online Best Laravel MCQ Questions for improve your basic knowledge of Laravel Framework. This PHP 7 Set 4 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

Start

Congratulations - you have completed PHP 7 Set 4.

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

Which function is used to verify whether a variable contains a value?

A	header()
B	footer()
C	isset()
D	inset()

Question 2

Which one of the following functions is used to determine object type?

A	obj_type()
B	type()
C	is_obj()
D	is_a()

Question 3

Which one of the following function is used to start a session?

A	start_session()
B	session_start()
C	session_begin()
D	session_run()

Question 4

How many methods are available for the exception class?

A	5
B	6
C	7
D	8

Question 5

Which one of the following methods is responsible for sending the query to the database?

A	query()
B	send_query()
C	sendquery()
D	mysqli_query()

Question 6

Which one of the following function should I use to find the parent class of a class?

A	get_parent_class()
B	parent_class()
C	class_parent()
D	get_class_parent()

Question 7

Which one of the following is the correct way of declaring a namespace?

A	namespace my();
B	namespace my;
C	my namespace;
D	namespace(my);

Question 8

Which magic method is used to implement overloading in PHP?

A	__call
B	__invoke
C	__wakeup
D	__unset

Question 9

final keyword prevents child classes from overriding a method by prefixing the definition with final?

A	TRUE
B	FALSE
C	both
D	none of these

Question 10

Which method is used to tweak an object’s cloning behavior?

A	clone()
B	__clone()
C	_clone
D	object_clone()

Question 11

Which keyword is used to refer to properties or methods within the class itself?

A	private
B	public
C	protected
D	$this

Question 12

Which one of the following method is used to retrieve the number of rows affected by an INSERT, UPDATE, or DELETE query?

A	num_rows()
B	affected_rows()
C	changed_rows()
D	mysqli_affected_rows()

Question 13

Which one of the following functions is used to determine whether a class exists?

A	exist()
B	exist_class()
C	class_exist()
D	__exist()

Question 14

Which of the methods are used to manage result sets using both associative and indexed arrays?

A	get_array() and get_row()
B	mysqli_fetch_array() and mysqli_fetch_row()
C	get_array() and get_column()
D	fetch_array() and fetch_row()

Question 15

Which feature allows us to call more than one method or function of the class in single instruction?

A	Typecasting
B	Method Including
C	Method chaining
D	Method adding

Question 16

Which one of the following function is used to send an email using PHP script?

A	mail()
B	mail_send()
C	send_mail()
D	mail_to()

Question 17

Which one of the following keyword is used to inherit our subclass into a superclass?

A	extends
B	implements
C	inherit
D	include

Question 18

Which one of the following methods can be used to diagnose and display information about a MySQL connection error?

A	connect_errno()
B	connect_error()
C	mysqli_connect_errno()
D	mysqli_connect_error()

Question 19

Which of the following method of Exception class returns array of the backtrace?

A	getMessage()
B	getCode()
C	getTrace()
D	getTraceAsString()

Question 20

Which one of the following preg PHP function is used to do a find and replace on a string or an array?

A	preg_replace()
B	preg_find()
C	preg_find_replace()
D	preg_findre()

Question 21

How to get a total number of rows available in the table?

A	SELECT COUNT(*)
B	SELECT ROW(*)
C	SELECT TABLE(*)
D	SELECT SUM(*)

Question 22

Which of the following method scopes is/are not supported by PHP?

A	private
B	friendly
C	static
D	abstract

Question 23

Which one of the following will you use to check the class of an object?

A	class()
B	_class()
C	class_check()
D	get_class()

Question 24

Which one of the following statements can be used to select the database?

A	$mysqli=select_db('databasename');
B	mysqli=select_db('databasename');
C	mysqli->select_db('databasename');
D	$mysqli->select_db('databasename');

Question 25

Which one of the following databases has PHP supported almost since the beginning?

A	Oracle Database
B	MYSQL
C	SQL
D	SQL+

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 25 questions to complete.

←

List

→

Return

Shaded items are complete.

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20
21	22	23	24	25
End

Return

BACK SET 3

Study Zone

MCQ » PHP7 SET 4

PHP 7 Set 4

Important Links