1.
What will be the output of the following PHP code?
<?php
$x;
if ($x)
    print "hi" ;
else
    print "how are u";
?>

2.
What will be the output of the following PHP code ?
<?php
$x = 0;
if ($x++)
    print "hi";
else
    print "how are u";
?>

3.
What will be the output of the following PHP code ?
<?php
$x;
if ($x == 0)
    print "hi" ;
else
    print "how are u";
    print "hello"
?>

4.
What will be the output of the following PHP code ?
<?php
$x = 0;
if ($x == 1)
    if ($x >= 0)
	print "true";
    else
	print "false"; 
?>

5.
What will be the output of the following PHP code ?
<?php
$a = 1;
if ($a--)
    print "True";
if ($a++)
    print "False"; 
?>

6.
What will be the output of the following PHP code ?
<?php
$a = 1;
if (echo $a)
    print "True";
else
    print "False"; 
?>

7.
What will be the output of the following PHP code ?
<?php
$a = 1;
if (print $a)
    print "True";
else
    print "False"; 
?>

8.
What will be the output of the following PHP code ?
<?php
$a = 10;
if (1) 
    print "all";
else 
    print "some"
else 
    print "none";
?>

9.
What will be the output of the following PHP code ?
<?php
$a = 10;
if (0) 
    print "all";
 if 
 else 
     print "some"
?>

10.
What will be the output of the following PHP code ?
<?php
$a = "";
if ($a) 
    print "all";
if 
else 
    print "some";
?>