1. PlacementQuestion
2. PHP Interview Questions
3. Online Test for PHP

Online Test for PHP

1. include_once is a ________.
   Function
   Statement
   Language Constructor
   All of the above

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2. In PHP 5, how can you write a class so that some of its properties cannot be accessed from outside its methods?
   By declaring the class as private
   By declaring the property as private
   It cannot be done
   By writing a property overloading method

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3. Find Error/Output in follwing code:

                                
<?php

$strings = 'test test';

if (ctype_alpha($strings)) {

  echo "The string consists of all letters.";

} else {

  echo "The string does not consist of all letters.";

}

?>

                                

The string does not consist of all letters.
The string consists of all letters.
Fatal Error
Syntax Error

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4. What is most appropriate way to open file "placementquestion.txt" in write mode?
   openf("placementquestion.txt", "w");
   fopen("placementquestion.txt", "w");
   open("placementquestion.txt", "w");
   fopen("placementquestion.txt", "w+");

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5. Static properties cannot be initialized using
   expressions
   literal
   constant
   All of the above

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6. What is the simplest method of computing the sum of all the elements of an array?
   array_intersect()
   array_count()
   array_sum()
   array_value_count()

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7. Static properties can be accessed through the object using the arrow operator ->.
   True
   False

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8. Which keyword cannot be used while defining property?
   Public
   Static
   Final
   Private

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9. If parent class has Final method abc(). Method abc() can be overridden in child class.
   True
   False

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10. PHP is an open source software
    True
    False

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