Constructs EventHttpRequest object

# EventHttpRequest::__construct

(PECL event >= 1.4.0-beta)

EventHttpRequest::__construct — Constructs EventHttpRequest object

### Description

public EventHttpRequest::__construct( callable `$callback` , mixed `$data` = `null` )

Constructs EventHttpRequest object.

### Parameters

`callback`

  Gets invoked on requesting path. Should match the following prototype:

  callback( EventHttpRequest `$req` = `null` , mixed `$arg` = `null` ): void
`data`

  User custom data passed to the callback.

### Examples

Example #1 EventHttpRequest::__construct() example

`<?php
function _request_handler($req, $base) {
echo __FUNCTION__, PHP_EOL;
if (is_null($req)) {
echo "Timed out\n";
} else {
$response_code = $req->getResponseCode();
if ($response_code == 0) {
echo "Connection refused\n";
} elseif ($response_code != 200) {
echo "Unexpected response: $response_code\n";
} else {
echo "Success: $response_code\n";
$buf = $req->getInputBuffer();
echo "Body:\n";
while ($s = $buf->readLine(EventBuffer::EOL_ANY)) {
echo $s, PHP_EOL;
}
}
}
$base->exit(NULL);
}
$address = "127.0.0.1";
$port = 80;
$base = new EventBase();
$conn = new EventHttpConnection($base, NULL, $address, $port);
$conn->setTimeout(5);
$req = new EventHttpRequest("_request_handler", $base);
$req->addHeader("Host", $address, EventHttpRequest::OUTPUT_HEADER);
$req->addHeader("Content-Length", "0", EventHttpRequest::OUTPUT_HEADER);
$conn->makeRequest($req, EventHttpRequest::CMD_GET, "/index.cphp");
$base->loop();
?>`

### See Also

- EventHttpRequest::cancel() - Cancels a pending HTTP request
- EventHttpRequest::addHeader() - Adds an HTTP header to the headers of the request

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