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PHP HTTP context options

王林

Release： 2023-08-25 20:34:01

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PHP HTTP上下文选项

Introduction

The following is a list of context options for http:// and https:// transports

method	HTTP method supported by the remote server. Default is GET.
header	Additional header information sent during the request.
user_agent	The value sent with the User-Agent: header. By default the user_agent php.ini setting is used.
content	Additional data sent after the header information. Typically used with POST or PUT requests.
proxy	Specifies the URI of the proxy server address.
request_fulluri boolean	When set to TRUE, the entire URI will be used when constructing the request. Default is FALSE.
follow_location	Redirect that follows the Location header information. Set to 0 to disable. Default is 1.
max_redirects	Maximum number of redirects to follow.
protocol_version	HTTP protocol version. Default is 1.0.
timeout	Read timeout in seconds, specified as a float (e.g. 10.5).
ignore_errors	Get content even on failure status code. Default is FALSE.

The following example gets header information and content from http:// URL

Example

<?php
$url = "http://localhost/testscript.php";
$opts = array(&#39;http&#39; =>
array(
   &#39;method&#39; => &#39;GET&#39;,
   &#39;max_redirects&#39; => &#39;0&#39;,
   &#39;ignore_errors&#39; => &#39;1&#39;
);
$context = stream_context_create($opts);
$stream = fopen($url, &#39;r&#39;, false, $context);
var_dump(stream_get_meta_data($stream));
?>

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Output

This will display the title information and metadata as follows −

array(10) {
    ["timed_out"]=>
    bool(false)
    ["blocked"]=>
    bool(true)
    ["eof"]=>
    bool(false)
    ["wrapper_data"]=>
    array(7) {
        [0]=>
        string(15) "HTTP/1.1 200 OK"
        [1]=>
        string(35) "Date: Thu, 17 Sep 2020 07:04:47 GMT"
        [2]=>
        string(55) "Server: Apache/2.4.41 (Win64) OpenSSL/1.0.2s PHP/7.1.32"
        [3]=>
        string(24) "X-Powered-By: PHP/7.1.32"
        [4]=>
        string(17) "Content-Length: 0"
        [5]=>
        string(17) "Connection: close"
        [6]=>
        string(38) "Content-Type: text/html; charset=UTF-8"
    }
    ["wrapper_type"]=>
    string(4) "http"
    ["stream_type"]=>
    string(14) "tcp_socket/ssl"
    ["mode"]=>
    string(1) "r"
    ["unread_bytes"]=>
    int(0)
    ["seekable"]=>
    bool(false)
    ["uri"]=>
    string(31) "http://localhost/testscript.php"
}

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