Quizzes & Surveys Archive - PHP Test Questions

You'll be presented 10 questions out of different categories.

Questions range from answering what output a certain block of code would produce to just fact-checking.

There is no time limit, so no stress.

You can go back at any time during the test. So you don't need to supply an answer immediately and you can correct an answer when you've already moved on.

While I certainly can't check it, it 'd be nice if you participated without looking up the answers on the big old internet. What would the point of taking this test be otherwise?

Found some errors? Wish to expand on something? You'll be given the opportunity to supply feedback at the end of the test.

Press 'Next' to start with the first question.

Good luck!

What would the output be, if the following code was run?

echo multiline

Shout out, to PHP

An error

Shout out,
to PHP

Shout out

What is the output of the following code?

* click on the image to enlarge

a fatal error

foobar

bar

foo

Would you like to provide a comment concerning the test you just took?

If you find some errors or irregularities, I would love your feedback so I can improve the experience for everyone taking the test.

So thanks in advance!

You scored %AMOUNT_CORRECT% out of %TOTAL_QUESTIONS%.

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Welcome to your All questions

Which line shows a function with a nullable parameter?

function testMe(?string $firstName){}

function testMe(null $firstName){}

function testMe($firstName){}

What is the output of the following code?

* click on the image to enlarge

a fatal error

foo

bar

foobar

What is the result of the following code?

* click on the image to enlarge
stdclass

empty result

an error

warning about calling an empty function

warning about $param being assigned a null value while not nullable

What does the following code output?

* click on the image to enlarge

string(11) "my_function"

An instance of exception TypeError is thrown

my_function

No output

What does the following code output?

string(11) "my_functlon"

An instance of TypeError exception is thrown

my_function

Empty output

What is the output when the following code is run?

constructors

An error

Pworld

Phelloworld

world

What is the output when the following code is run?

* click on the image to enlarge

Pworld

An error

helloPworld

world

Which are validPHP tags? (choose all that apply)

Which answers will output 'bool(true)' when the code is run? (choose 2)

$x = NULL + TRUE; var_dump($x);

$x = 1; var_dump($x);

$x = false !== FALSE; var_dump($x);

$x = (bool) false; var_dump($x);

What is the output when the following code is run?

echo 3 + 015 + -4 + 0x21 + 0b110;

145

What is the output of the following code:

echo 'C:\\Windows\System32';

C:\\Windows\System32

C:\Windows\System32

C:WindowsSystem32

C:\Windows ystem32

Which of the following answers will NOT produce an error? (choose 2)

$test = { 'test', 'foo' }; echo $test[2];

$test=array('foo', 'bar'); echo $test[2];

list(test)=['test', 'foo', 'bar']; echo $test[2];

$test= 'test, one, two'; echo $test[2];

What is the output when the following code is run?

$b = (object) ['foo' => 'bar'];
$b->foo;

an error

foo

bar

no output

What is the output when the following code is run?

* click on the image to enlarge

hello Paul

an error

no output

It outputs "hello Paul", but with a warning

Which answers produce 'Hello Paul' as output provided that $user['firstname'] contains 'Paul'? (choose 2)

echo "Hello " . $user["firstname"];

echo "Hello '$user[firstname]'";

echo "Hello {$user['firstname']}";

echo Hello $user['firstname'];

What is the output when the following code is run?

* click on the image to enlarge

bar

baz

an error

a warning

What is the output when the following code is run?

call_user_fun

bar

baz

an error

a warning

What is the output when the following code is run?

* click on the image to enlarge

33 equals six

3 equals six

an error

What would the output be, if the following code was run?

echo multiline

An error

Shout out, to PHP

Shout out,
to PHP

Shout out

What would the output be if the following code was run on the command-line?
asp tags

That's for another day

An error

That's for another day - but with a warning

What is the output when the following code is run?
short tags

That's for another day

An error

No output

What is the output of the following code?
short tags

No output

An error

That's for another day

What is the output of the following code?
echo string

This is a test

An error

No output

What is the output of the following code?
echo string

No output

An error

This is a test

<?php echo 'This is a test'

What is the output of the following code?
echo string

An error

This is a test

No output

<?php echo 'This is a test';

You'll be presented 10 questions out of different categories.

Questions range from answering what output a certain block of code would produce to just fact-checking.

There is no time limit, so no stress.

You can go back at any time during the test. So you don't need to supply an answer immediately and you can correct an answer when you've already moved on.

While I certainly can't check it, it 'd be nice if you participated without looking up the answers on the big old internet. What would the point of taking this test be otherwise?

Found some errors? Wish to expand on something? You'll be given the opportunity to supply feedback at the end of the test.

Press 'Next' to start with the first question.

Good luck!

Please note: this test uses PHP version 7.1

What does the following code output?

* click on the image to enlarge

string(11) "my_function"

my_function

No output

An instance of exception TypeError is thrown

What is the output when the following code is run?

* click on the image to enlarge

no output

hello Paul

an error

It outputs "hello Paul", but with a warning

What is the output when the following code is run?

* click on the image to enlarge

hello Paul

It outputs "hello Paul", but with a warning

no output

an error

What is the result of the following code?

* click on the image to enlarge
stdclass

warning about calling an empty function

an error

empty result

warning about $param being assigned a null value while not nullable

What is the output when the following code is run?

* click on the image to enlarge

33 equals six

an error

3 equals six

What is the output when the following code is run?

* click on the image to enlarge

Pworld

An error

helloPworld

world

What is the output of the following code?

* click on the image to enlarge

bar

foo

a fatal error

foobar

Which answers produce 'Hello Paul' as output provided that $user['firstname'] contains 'Paul'? (choose 2)

echo "Hello " . $user["firstname"];

echo "Hello {$user['firstname']}";

echo Hello $user['firstname'];

echo "Hello '$user[firstname]'";

What is the output when the following code is run?

* click on the image to enlarge

baz

an error

a warning

bar

10.

Which of the following answers will NOT produce an error? (choose 2)

list(test)=['test', 'foo', 'bar']; echo $test[2];

$test = { 'test', 'foo' }; echo $test[2];

$test=array('foo', 'bar'); echo $test[2];

$test= 'test, one, two'; echo $test[2];

Would you like to provide a comment concerning the test you just took?

If you find some errors or irregularities, I would love your feedback so I can improve the experience for everyone taking the test.

So thanks in advance!

Thank you for participating in this test!

If you liked this test, then you'll love the real exam! 71 Questions to challenge your knowledge and learn by doing.

show me the packages

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