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(PHP Extension) HTTP HEAD RequestSends an HTTP HEAD request and gets the response. Note: The response to an HTTP HEAD request is always just the response header. The reponse body is always 0 length (thus the reason it's called a "HEAD" request..) Note: This example requires Chilkat v11.0.0 or greater.
<?php include("chilkat.php"); $success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $http = new CkHttp(); // If the URL uses "https://", then the connection will be TLS. // Otherwise it will be TCP. // A failure is when we don't get any response. It could be a timeout, an inability to connect, etc. // For example, a "404 Not Found" response is still a response, and thus deemed success in terms of the API.. $resp = new CkHttpResponse(); $success = $http->HttpNoBody('HEAD','https://example-code.com/',$resp); if ($success == false) { print $http->lastErrorText() . "\n"; exit; } // Examine the response. print 'Status Code = ' . $resp->get_StatusCode() . "\n"; print 'Status Line = ' . $resp->statusLine() . "\n"; print 'Status Text = ' . $resp->statusText() . "\n"; print 'Full Response Header:' . "\n"; print $resp->header() . "\n"; print '----' . "\n"; $numHeaderFields = $resp->get_NumHeaderFields(); print 'Num Header Fields: ' . $numHeaderFields . "\n"; for ($i = 0; $i <= $numHeaderFields - 1; $i++) { print $resp->getHeaderName($i) . ': ' . $resp->getHeaderValue($i) . "\n"; } ?> |
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