PHP While Loops Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
$p = 0;
while ($p++)
{
    print $p;
}
print $p;
?>

As it is a post increment, it checks and then does not enter the loop, thus prints only 1.

What will be the output of the following PHP code ?

<?php
$k = 10;
while ($k < 30)
{
    $k++;
}
print $k;
?>

The increment happens and then the check happens.

What will be the output of the following PHP code ?

<?php
$t = 20;
do
{
    $t++;
}
while ($t < 60);
print $t;
?>

The increment happens and then the check happens.

What will be the output of the following PHP code ?

<?php
$num = 2;
while ($num < 5)
{
    print "Interview";
    $num--;
}
print "Mania";
?>

There is no increment of num making it infinite.

What will be the output of the following PHP code ?

<?php
$n = "";
while($n)
{   
    print "Manjesh";
}
print "Ojha";
?>

While accept does not accept anything other than a 0 or any other number as false and true.