PHP Test

Exam Type: MCQ Skill Test
Questions Type: Multiple Choice Questions
Total Questions: 40
Time Limit: 15 Minutes
Last Update April, 2025

Text Detail

 PHP Linkedin assessment

What does this code output?

echo 76 <=> '76 trombones';

  • 0
  • 1
  • a parse error
  • -1

PHP Linkedin test

Which is the most secure way to avoid storing a password in clear text in a database?

  • $encrypted = crypt($password, $salt);
  • $encrypted = md5($password);
  • $encrypted = password_hash($password, PASSWORD_DEFAULT);
  • $encrypted = sha1($password)

PHP Linkedin test answers

What does this script do?

1 $email = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);

2 if ($email === false) {

3  $emailErr = "Please re-enter valid email";

4 }

  • It makes sure the email address is a good and functioning address.
  • It assigns an email to a variable and then removes all illegal characters from the $email variable.
  • It makes an email safe to input into a database.
  • It verifies that an email address is well formed.

Linkedin PHP assessment answers

In the following script, which line(s) will cause an error(s)?

1

2        $count = 0;    

3        $_xval = 5;

4        $_yval = 1.0;

5        $some_string = "Hello there!";

6        $some_string = "How are you?";

7        $will i work = 6;

8        $3blindmice = 3; 

9 ?>

  • Lines 3 and 4 will cause an error because a variable cannot start with an underscore (_).
  • Line 5 will cause an error because some_string should be someString.
  • Line 6 will cause an error because you can't reassign a new value to a variable that has already been set.
  • Lines 7 and 8 will cause an error. Line 7 has whitespace in $will i work and should be $will_i_work. Line 8 cannot start with a number because it is a variable.

Linkedin PHP Quiz answers

In a conditional statement, you want to execute the code only if both values are true. Which comparison operator should you use?

  • &&
  • &
  • <=>
  • ||

Linkedin PHP Quiz

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PHP Linkedin api

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