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<fdf_get_versionfdf_next_field_name>
^FDF FunctionsLast updated: Mon, 26 Oct 2026

fdf_header

(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVNf)

fdf_header — Sets FDF-specific output headers

Description

function fdf_header(): void

This is a convenience function to set appropriate HTTP headers for FDF output. It sets the Content-type: to application/vnd.fdf.

Parameters

This function has no parameters.

Return Values

No value is returned.


<fdf_get_versionfdf_next_field_name>
^FDF FunctionsLast updated: Mon, 26 Oct 2026