How does the header function in PHP affect CSV file encoding?

The header function in PHP can be used to set the content-type of the response, which includes specifying the encoding of the file being sent. When working with CSV files, it is important to set the encoding to ensure that special characters are displayed correctly. To specify the encoding of a CSV file, you can use the header function with the "Content-Type" parameter set to "text/csv; charset=utf-8". 

<?php
header('Content-Type: text/csv; charset=utf-8');
// Code to output CSV data goes here
?>

Keywords

PHP header function CSV file encoding character set.

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