# Method: PHPCrawler::setHTTPProtocolVersion()

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Sets the HTTP protocol version the crawler should use for requests
Signature:

public setHTTPProtocolVersion($http_protocol_version)

Parameters:

$http_protocol_version | int | One of the PHPCrawlerHTTPProtocols-constants, or 1 -> HTTP 1.0 2 -> HTTP 1.1 (default)

Returns:

bool |

Description:

Example:`// Lets the crawler use HTTP 1.1 requests
$crawler->setHTTPProtocolVersion(PHPCrawlerHTTPProtocols::HTTP_1_1);`
Since phpcrawl 0.82, HTTP 1.1 is the default protocol.