200-530 Exam Questions

You work for a shared hosting provider, and your supervisor asks you to disable user scripts to dynamically load PHP extensions using the dl() function. How can you do this? (Choos...

Which of the following data types is implicitly passed by reference in PHP 5 while it is passed by value in PHP 4?

Which of the following data types cannot be directly manipulated by the client?

What is the result of the following bitwise operation in PHP? 1 ^ 2

What is the output of the following code?

What is the output of the following code? $a = 'a'; $b = 'b'; echo isset($c) ? $a.$b.$c : ($c = 'c').'d';

What is the output of the following code? 1 <?php 2 for ($i = 0; $i < 1.02; $i += 0.17) { 3 $a[$i] = $i; 4 } 5 echo count($a); 6 ?>

Which of the following code snippets writes the content of the "source.txt" to "target.txt"?