PEAR Справочное руководство
Пред.		След.

HTTP::head

HTTP::head -- sends a "HEAD" command

Synopsis

require_once 'HTTP.php';

array HTTP::head (string $url)

Описание

Sends a "HEAD" HTTP command to a server and returns the headers in an associative array.

Пример

Пример 43-1. HEAD request to example.com
require_once "PEAR.php"; require_once "HTTP.php"; $result = HTTP::head("http://example.com/"); if (PEAR::isError($result)) { echo "Error: " . $result->getMessage(); } else { echo "<pre>"; print_r($result); echo "</pre>"; }
The output of the print_r() call is shown below.

Параметр

string $url - a valid absolute URL

Возвращаемое значение

array - an array containing the header lines or a PEAR_Error.

Example output:
Array ( [response_code] => 200 [response] => HTTP/1.1 200 OK [Date] => Tue, 25 Nov 2003 22:08:57 GMT [Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux) [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT [ETag] => "3f80f-1b6-3e1cb03b" [Accept-Ranges] => bytes [Content-Length] => 438 [Connection] => close [Content-Type] => text/html )

Throws

Таблица 43-1. Возможные значения PEAR_Error

Error code	Error message	Reason	Solution
`NULL`	"HTTP::head Error `$errstr` (`$erno`)"	Connection to server failed	Check connectivity of your host and the given URL in `$url`

Заметка

Эта функция может быть вызвана статически.

Пред.	Начало	След.
HTTP::Date	Уровень выше	HTTP::negotiateLanguage

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