PHP - Quiz | Instant Results

Q: What will be the output of the following PHP code?

< ?php 
    $num = 10;
    echo 'What is her age? \n She is $num years old';
?>

A. What is her age? \n She is $num years old
B. What is her age? She is $num years old
C. What is her age? She is 10 years old
D. What is her age? She is 10 years old

Correct Option: A
Remarks:

Explanation: When a string is enclosed within single quotes both variables and escape sequences will not be interpreted when the string is parsed.

Q: What will be the output of the following php code?

< ?php 
    $states = array("karnataka" => array
    ( "population" => "11,35,000", "captial" => "Bangalore"),
    "Tamil Nadu" => array( "population" => "17,90,000",
    "captial" => "Chennai") );
    echo  $states["karnataka"]["population"];
?>

A. karnataka 11,35,000
B. 11,35,000
C. population 11,35,000
D. karnataka population

Correct Option: B
Remarks:

Explanation: Treat states as a multidimensional array and accordingly traverse it to get the value.

Q: How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions?

A. 7
B. 8
C. 9
D. 10

Correct Option: B
Remarks:

Explanation: The functions are preg_filter(), preg_grep(), preg_match(), preg_match_all(), preg_quote(), preg_replace(), preg_replace_callback(), and preg_split().

Q: Say we have two compare two strings which of the following function/functions can you use?
(i) strcmp()

(ii) strcasecmp()

(iii) strspn()

(iv) strcspn()

A. (i) and (ii)
B. (iii) and (iv)
C. None of the mentioned
D. All of the mentioned

Correct Option: D
Remarks:

Explanation: All of the functions mentioned above can be used to compare strings in some or the other way.

Q: Which one of the following function operates similarly to fgets(), except that it also strips any HTML and PHP tags form the input?

A. fgetsh()
B. fgetsp()
C. fgetsa()
D. fgetss()

Correct Option: D
Remarks:

Explanation: fgetss()

Q: How many methods are available for the exception class?

A. 5
B. 6
C. 7
D. 8

Correct Option: C
Remarks:

Explanation: The seven methods are: getCode(), getFile(), getLine(), getMessage(), getPrevious(), getTrace(), getTraceAsString().

Q: Which one of the following statements is used to create a table?

A. CREATE TABLE table_name (column_name column_type);
B. CREATE table_name (column_type column_name);
C. CREATE table_name (column_name column_type);
D. CREATE TABLE table_name (column_type column_name);

Correct Option: A
Remarks:

Explanation: CREATE TABLE table_name (column_name column_type);

Q: Which of the following methods is used to execute the statement after the parameters have been bound?

A. bind_param()
B. bind_result()
C. bound_param()
D. bound_result()

Correct Option: A
Remarks:

Explanation: Once the statement has been prepared, it needs to be executed. Exactly when it’s executed depends upon whether you want to work with bound parameters or bound results. In the case of bound parameters, you’d execute the statement after the parameters have been bound with the bind_param() method.

Q: The practice of creating objects based on predefined classes is often referred to as..

A. class creation
B. object creation
C. object instantiation
D. class instantiation

Correct Option: D
Remarks:

Explanation: class instantiation

Q: Which of the following is/are the right way to declare a method?
(i) function functionName() { function body }

(ii) scope function functionName() { function body }

(iii) method methodName() { method body }

(iv) scope method methodName() { method body }

A. Only (ii)
B. Only (iv)
C. (i) and (ii)
D. (iii) and (iv)

Correct Option: C
Remarks:

Explanation: In case of public methods, you can forgo explicitly declaring the scope and just declare the method like you would a function.

PHP - Quiz

What will be the output of the following PHP code?
< ?php $num = 10; echo 'What is her age? \n She is $num years old'; ?>

What will be the output of the following php code?
< ?php $states = array("karnataka" => array ( "population" => "11,35,000", "captial" => "Bangalore"), "Tamil Nadu" => array( "population" => "17,90,000", "captial" => "Chennai") ); echo $states["karnataka"]["population"]; ?>

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions?

Say we have two compare two strings which of the following function/functions can you use?
(i) strcmp()

(ii) strcasecmp()

(iii) strspn()

(iv) strcspn()

Which one of the following function operates similarly to fgets(), except that it also strips any HTML and PHP tags form the input?

How many methods are available for the exception class?

Which one of the following statements is used to create a table?

Which of the following methods is used to execute the statement after the parameters have been bound?

The practice of creating objects based on predefined classes is often referred to as..

Which of the following is/are the right way to declare a method?
(i) function functionName() { function body }

(ii) scope function functionName() { function body }

(iii) method methodName() { method body }

(iv) scope method methodName() { method body }

PHP - Quiz

What will be the output of the following PHP code? < ?php $num = 10; echo 'What is her age? \n She is $num years old'; ?>

What will be the output of the following php code? < ?php $states = array("karnataka" => array ( "population" => "11,35,000", "captial" => "Bangalore"), "Tamil Nadu" => array( "population" => "17,90,000", "captial" => "Chennai") ); echo $states["karnataka"]["population"]; ?>

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions?

Say we have two compare two strings which of the following function/functions can you use? (i) strcmp() (ii) strcasecmp() (iii) strspn() (iv) strcspn()

Which one of the following function operates similarly to fgets(), except that it also strips any HTML and PHP tags form the input?

How many methods are available for the exception class?

Which one of the following statements is used to create a table?

Which of the following methods is used to execute the statement after the parameters have been bound?

The practice of creating objects based on predefined classes is often referred to as..

Which of the following is/are the right way to declare a method? (i) function functionName() { function body } (ii) scope function functionName() { function body } (iii) method methodName() { method body } (iv) scope method methodName() { method body }

What will be the output of the following PHP code?
< ?php $num = 10; echo 'What is her age? \n She is $num years old'; ?>

What will be the output of the following php code?
< ?php $states = array("karnataka" => array ( "population" => "11,35,000", "captial" => "Bangalore"), "Tamil Nadu" => array( "population" => "17,90,000", "captial" => "Chennai") ); echo $states["karnataka"]["population"]; ?>

Say we have two compare two strings which of the following function/functions can you use?
(i) strcmp()

(ii) strcasecmp()

(iii) strspn()

(iv) strcspn()

Which of the following is/are the right way to declare a method?
(i) function functionName() { function body }

(ii) scope function functionName() { function body }

(iii) method methodName() { method body }

(iv) scope method methodName() { method body }