PHP Programming Mock Test 2

10%

Question 1 of 10

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

object creation

class creation

class instantiation

object instantiation

Question 1 of 10

Question 2 of 10

2. Which function is responsible for sending a custom message to the system log?

sys_log()

log_system()

syslog()

systemlog()

Question 2 of 10

Question 3 of 10

3. Say you want to report error concerned about fatal run-time, fatal compile-time error and core error which statement would you use?

error_reporting = E_ERROR | E_COMPILE_ERROR | E_CORE_ERROR

error_reporting = E_ALL

error_reporting = E_ERROR | E_PARSE | E_CORE_ERROR

error_reporting = E_ERROR | E_COMPILE_WARNING | E_CORE_ERROR

Question 3 of 10

Question 4 of 10

4. What will be the output of the following PHP code?

<?php
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$a2 = array("e" => "red","f" => "green", "g" => "blue");
$result = array_intersect($a1, $a2);
print_r($result);
?>

Array ( [e] => red [f] => green [g] => blue )

Array ( [a] => red [b] => green [c] => blue )

Array ( [a] => red [b] => green [c] => blue [d] => yellow [e] => red [f] => green [g] => blue )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Question 4 of 10

Question 5 of 10

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

i) private
ii) friendly
iii) static
iv) abstract

Only i)

Only ii)

Only iv)

ii) and iv)

Question 5 of 10

Question 6 of 10

6. Which one of the following is the right way to call a class constant, given that the class is mathFunction?

echo mathFunction->PI;

echo PI;

echo mathFunction=PI;

echo mathFunction::PI;

Question 6 of 10

Question 7 of 10

7. Which function should we use to sort the array in natural order?

natcasesort()

casesort()

naturalsort()

dsort()

Question 7 of 10

Question 8 of 10

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

protected

$this

private

public

Question 8 of 10

Question 9 of 10

9. Which of the following term originates from the Greek language that means "having multiple forms," defines OOP's ability to redefine, a class's characteristics?

Inheritance

Differential

Polymorphism

Abstraction

Question 9 of 10

Question 10 of 10

10. Which one of the following is the right way to invoke a method?

$object->methodName();

object->methodName();

$object::methodName();

object::methodName();

Question 10 of 10