PHP Operators Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
$v  =  'Mania';
echo "Inter$view";
?>

Inter, because $v became $view, which is undefined.

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.

What will be the output of the following PHP code ?

<?php
$num  =  '8' ;
print  +  + $num;
?>

The character is type casted to integer before multiplying.