What will be the output of the following PHP code ?<?phpfunction

What will be the output of the following PHP code ?

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

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