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What do you know about PHP?

  1. Question 1: What does PHP represent:
    1. Preprocessed Hypertext Page
    2. Hypertext Transfer Protocol
    3. PHP: Hypertext Preprocessor
    4. Hypertext Markup Language
  2. Question 2: The following code, print out the following value
     
    1. first
    2. 2
    3. 3
    4. There is no answer
  3. Question 3: The following code, print out the following value
     
    1. HELLO WORLD!
    2. hello world!
    3. hello wolrd
    4. Failed to run, report an error
  4. Question 4: Which of the following code snippets is used to annotate PHP
    1. / * commented code here * /
    2. // you are handsome
    3. # you are gay
    4. All the above comments
  5. Question 5. The default of a variable with no value is shown with the keyword
    1. none
    2. null
    3. undef
    4. There is no such concept in PHP
  6. Question 6: What symbols are used when using variables in PHP?
    1. $$
    2. $
    3. @
    4. #
  7. Question 7: The following code, print out the following value
     
    1. false
    2. true
    3. Void
    4. true false
  8. Question 8: Which of the following functions is used to declare constants
    1. const
    2. constants
    3. define
    4. def
  9. Question 9: The following code, print out the following value
     $ var = '0'; 

     if ($ var) { 

     echo 'true'; 

     } else { 

     echo 'false'; 

     }
    1. false
    2. true
    3. void
    4. true false
  10. Question 10: Value of the following parameter
     $ var = 1/2;
    1. first
    2. 0
    3. 0.5
    4. 1/2
  11. Question 11: Access to the word section with value 'd'
     $ a = array ( 

     'a', 

     3 => 'b', 

     1 => 'c', 

     'd' 

     );
    1. $ a [1]
    2.   $ a [2]
    3.   $ a [3]
    4. $ a [4]
  12. Question 12: Which of the following answers is not predetermined by PHP (Magic constants)
    1. __LINE__
    2. __FILE__
    3. __DATE__
    4. __METHOD__
  13. Question 13: The following code, print out the following value
     $ a = array (); 

     if ($ a == null) { 

     echo 'true'; 

     } else { 

     echo 'false'; 

     }
    1. true
    2. false
    3.   no print
    4. A and B
  14. Question 14: The following code, print out the following value
     if (null === false) { 

     echo 'true'; 

     } else { 

     echo 'false'; 

     }
    1. true
    2. false
    3. error
    4. A and B
  15. Question 15: The following code, print out the following value
     
    1. 22
    2. 11
    3. 39
    4. 29
  16. Question 16: Where is not the math used in comparison in PHP?
    1. ===
    2. > =
    3. ! =
    4. <=>
  17. Question 17: The following code, print out the following value
     $ var = 'a'; 

     $ VAR = 'b'; 

     echo "$ var $ VAR";
    1. ab
    2. aa
    3. bb
    4. AB
  18. Question 18: The following code, print out the following value
     $ a = array ( 

     null => 'a', 

     true => 'b', 

     false => 'c', 

     0 => 'd', 

     1 => 'e', 

     '' => 'f' 

     ); 

     echo count ($ a);
    1. 2
    2. 3
    3. 5
    4. 6
  19. Question 19: The following code, print out the following value
     class MyException extends Exception {} 

     try { 

     throw new MyException ('Oops!'); 

     } catch (Exception $ e) { 

     echo "Caught Exception"; 

     } catch (MyException $ e) { 

     echo "Caught MyException"; 

     }
    1. Caught Exception
    2.   Caught MyException
    3. Not executed
  20. Question 20: The following code, print out the following value
     $ a = 1; 

     { 

     $ a = 2; 

     } 

     echo $ a;
    1. first
    2. 2
    3. twelfth
Update 24 May 2019
multiple choicePHPprogramming testPHP programming languageProgrammer

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