Explore topic-wise MCQs in Php.

<?php
function doSomething(&$argument) 
 {
 $Result = $argument;
 $argument += 1;
 return $Result;	
 }
$n = 5;
$m = doSomething($n);
echo "n = " . $n . " and m = " . $m;
?>

<?php
$user = array("Ats ", "Ajit ", "Rahul ", "Aju ");
for ($str=0; $str < count($user); $str++)	{
if ($user[$str] == "Rahul ") continue;
printf ($user[$str]); 
}
?>

<?php
$math = "25 students";
$Science = 35;
$math = $math + $Science;
echo "$math";
?>

<?php
$num = 10120;
$num1 = (array) $num;
echo $num1[0];
?>

<?php 
$name = 'Ajit'; 
$temp = &$name; 
$temp = "My name is $temp. "; 
echo $temp;
echo $name;
?>

<?php
$var = "YELLOW";
$var1 = $var[5];
echo "$var1";
?>

<?php
$State = "Chennai";
switch ($State) {
case "Mumbai":
echo "I love Mumbai. ";
case "Chennai":
echo "I love Chennai. ";
case "Rajshathan":
echo "I love Rajshatan. "; }
?>

<?php
function track() 
 {
 static $var = 0;
 $var++;
 echo $var;
 }
 track();
 track();
 track();
?>

$n = 18;
echo 'What is her age?  n She is $n years old.';
?>

<?php
$num = 6;
$num1 = 6;
echo ($num === $num1);
?>

<?php
$str = "Interview";
$str .= "Mania";
echo "$str";
?>

<?php
$n = 10;
$n1 = 12;
print $n . "+". $n1;
?>

<?php
$n = "12";
$n1 = "21";
print $n+$n1;
?>