PHP Syntax Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
$Team1 = "Chennai Super King";
$Team2 = "Mumbai Indian";
echo "$Team1 " . "$Team2";
?>

The . operator is used to join to strings.

What will be the output of the following PHP code ?

<?php
$Country1 = "INDIA";
$Country2 = "USA";
echo "$Country1" + "$Country2";
?>

+ operator does not join both the strings.

What will be the output of the following PHP code ?

<?php
$Country1 = "INDIA";
$Country2 = "INDIA";
echo "$Country1" + "$Country2";
?>

+ does not return 1 if the variables are equal.

What will be the output of the following PHP code ?

<?php
$Country1 = "INDIA";
$Country2 = "1";
echo "$Country1" + "$Country2";
?>

+ just returns the numeric value even though it is inside double quotes.

What will be the output of the following PHP code ?

<?php
$Country1 = "1";
$Country2 = "1";
echo "$Country1" + "$Country2";
?>

+ can be used to add to integer values which are enclosed by double-quotes.