Return the HTTP protocol sent by the server.

Description Description

Return Return

(string) The HTTP protocol. Default: HTTP/1.0.

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Source Source

File: wp-includes/load.php

function wp_get_server_protocol() {
	$protocol = $_SERVER['SERVER_PROTOCOL'];
	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
		$protocol = 'HTTP/1.0';
	return $protocol;

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Changelog Changelog

Version Description
4.4.0 Introduced.

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