Is using ini_set('default_charset', 'utf-8') an effective solution for handling UTF-8 characters in PHP output?

When working with UTF-8 characters in PHP output, it's important to ensure that the correct character encoding is set. One way to do this is by using the ini_set() function to set the default_charset to 'utf-8'. This will help ensure that UTF-8 characters are handled properly in the output.

ini_set('default_charset', 'utf-8');