PHP Operators Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
$n = 9;
while (++$n)
{   
    while (--$n > 0)
        print $n;
}
?>

The loop never ends as n is always incremented and then decremented.

What will be the output of the following PHP code ?

<?php
echo 7 * 5 / 4 + 10;
?>

Operator precedence order must be followed.

What will be the output of the following PHP code ?

<?php
echo 10 * 15 / 12 + 14
?>

Operator precedence order must be followed.

What will be the output of the following PHP code ?

<?php
$n = 10;
$m = 10;
if ($n && ($m = $n + 10)) {
    echo "True";
}
echo $m;
?>

In if condition when the first case is 10 and is an && operation then the second command is executed.

What will be the output of the following PHP code ?

<?php
$p = 20;
$q = 10;
if ($p || ($q = $p + 10)) {
    echo "True";
}
echo $q;
?>

In if condition when the first case is 1 and is an || operation then the second command is not executed.