What role does the Content-Type header play in ensuring proper encoding and displaying of special characters in PHP when working with CSV files?

The Content-Type header specifies the media type of the resource being sent to the browser. When working with CSV files in PHP that contain special characters, setting the Content-Type header to 'text/csv; charset=utf-8' ensures that the special characters are properly encoded and displayed in the browser. 

header('Content-Type: text/csv; charset=utf-8');

Keywords

Content-Type header encoding special characters CSV files PHP

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