1) What will be the output of the following PHP code?

$x;
 if ($x)
     print "hi" ;
 else
     print "how are u";

2) What will be the output of the following PHP code ?

$x = 0;
 if ($x++)
     print "hi";
 else
 print "how are u";

3) What will be the output of the following PHP code ?

$x; if ($x == 0)
     print "hi" ;
 else
     print "how are u";
     print "hello";

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

  $x = 0;
 if ($x == 1)
     if ($x >= 0)
 	print "true";
     else
 	print "false";

5) What will be the output of the following PHP code ?

 $a = 1;
 if ($a--)
     print "True";
 if ($a++)
     print "False";

6) What will be the output of the following PHP code ?

 $a = 1;
 if (echo $a)
     print "True";
 else
     print "False";

7) What will be the output of the following PHP code ?

 $a = 1;
 if (print $a)
     print "True";
 else
     print "False";

8) What will be the output of the following PHP code ?

 $a = 10;
 if (1)
      print "all";
 else
      print "some"
 else
      print "none";

9) What will be the output of the following PHP code ?

 $a = 10;
 if (0)
      print "all";
  if
   else
       print "some"

10) What will be the output of the following PHP code ?

 $a = "";
 if ($a)
      print "all";
 if
  else
      print "some";