How can PHP developers ensure that date and time functions output the desired language for month names?

When working with date and time functions in PHP, developers can ensure that the output displays month names in the desired language by setting the appropriate locale using the setlocale() function. By specifying the desired language and region, PHP will format the dates accordingly, including the month names.

// Set the desired locale for month names
setlocale(LC_TIME, 'fr_FR.UTF-8'); // French language example

// Output the current date with month names in the specified language
echo strftime('%A %d %B %Y');