PHP Functions Easy Questions and Answers

What will be the output of the following PHP code ?

<?php
function constant()
{
    define("MESSAGE", "Welcome to Interview Mania");
    echo MESSAGE;
}
?>

Correct Option: B

By default constants are case sensitive. Hence an error will arise.

What will be the output of the following PHP code ?

<?php
function fun($str)
    {
    if ($str < 50)
        return 30;
    else
        return 60;
    }
$p = fun(100);
if ($p < 30)
    {
        echo "Hello!";
    }
else
    {
        echo "Hey!";
    }
?>

Correct Option: C

Function returns 60. this is greater than 30, hence the output.

What will be the output of the following PHP code ?

<?php
function fun()
{
    ECHO "Hello Interview Mania!\n";
    echo "Hello Interview Mania!\n";
    EcHo "Hello Interview Mania!\n";
}
fun();
?>

Correct Option: C

Functions, keywords etc) in php are case insensitive.

What will be the output of the following PHP code ?

<?php
function fun()
{
    $EmailId1 = "Interview@Mania.com";
    $EmailId2 = strstr($EmailId1, '@');
    echo $EmailId2;
}
fun();
?>

Correct Option: D

The strstr() function searches for the first occurrence of a string inside another string.

What will be the output of the following PHP code ?

<?php
function str()
{
    echo strstr("Interview Mania!", 118);
}
str();
?>

Correct Option: C

118 is the ASCII value of v.