PHP Operators Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
$p = 12;
echo ++$p;
echo $p++;
echo $p;
echo ++$p;
?>

++$p increments a and then prints it,$p++ prints and then increments.

What will be the output of the following PHP code ?

<?php
$m = 8;
echo $m = ++$m % 9 + ++$m; 
?>

Evaluation done from right to left.

What will be the output of the following PHP code ?

<?php
$str  =  'view';
echo 'Inter{$str}Mania';
?>

Inter{$str}Mania, single quotes are not parsed.

What will be the output of the following PHP code ?

<?php
$str  =  'view';
print "Inter".$str."Mania";
?>

dereferences the variable/string within.

What will be the output of the following PHP code ?

<?php
$str  =  'view ';
print "Inter{$str}Mania";
?>

{$}dereferences the variable within.