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

Online Test for PHP

1. 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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2. The variable name is case-sensitive in PHP.
   True
   False

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3. $this is a reference to the calling object
   True
   False

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4. The break statement ends execution of which of the following?
   while
   for
   switch
   All of the above

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5. Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays).
   Float, string
   Even number, string
   String, Boolean
   Integer, string

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6. How to typecast a variable to Boolean?
   $var = $var == $var;
   $var = (true)$var;
   $var = (bool)$var;
   Variable cannot be typecast in Boolean

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7. _______ function is used to sort an array in ascending order by value while preserving key associations.
   ksort()
   asort()
   krsort()
   usort()

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8. In which circumstance it is not possible to assign default value to a parameter while declaring a function?
   When the parameter is Boolean
   When the function is being declared as a member of a class
   When the parameter is being declared as passed by reference
   When the function contains only one parameter

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9. Which of the following tags is not a valid way t o begin and end a PHP code block?
   <% %>
   <! !>
   <? ?>
   <?= ?>

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10. By default, PHP stores session data in ______________.
    The filesystem
    A database
    Virtual memory
    Shared memory

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