What will be the output of the following PHP code?<?php$contact

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What will be the output of the following PHP code?

<?php
$contact = "inter0view@mania.com";
$contact = str_replace("0","@",$contact);
echo "Contact to the Interview Mania web designer at $contact.";
?>

1. Error
2. Nothing
3. Contact to the Interview Mania web designer at inter@view@mania.com.
4. Contact to the Interview Mania web designer at inter0view@mania.com.
5. None of these

Correct Option: C

The str_replace() function case sensitively replaces all instances of a string with another.