Question:What does the following function do, when passed two integer values for $p and $q?
<?php
function magic($p, $q) {
  return ($q == 0) ? $p : magic($q, $p % $q);
}
?>
 

A Loops infinitely 
B Switches the values of $p and $q 
C Determines if they are both even or odd 
D Determines the greatest common divisor between them 
E Calculates the modulus between the two 

+ Answer
D 

+ Report

Mohammad Towhidul Islam

Editor, VCampus

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