public function send($data = null)
{
if ($this->ready_state !== 1) {
self::throw_error('Invalid state; Cannot send unopened request', E_RECOVERABLE_ERROR);
}
// Build the data string
if (!is_string($data) && $data !== null) {
if (is_array($data)) {
$data_arr = '';
foreach ($data as $name => $value) {
$data_arr[] = urlencode($name) . ' = ' . urlencode($value);
}
$data = implode('&', $data_arr);
} else {
self::throw_error('Invalid data parameter given; Expects string, array, or NULL', E_RECOVERABLE_ERROR);
}
}
// Build the request
$request = $this->method . ' ' . $this->url_info['path'] . ' HTTP/1.1' . CRLF;
$request .= 'Host: ' . $this->url_info['host'] . CRLF;
foreach ($this->headers as $name => $value) {
$request .= $name . ': ' . $value . CRLF;
}
$request .= CRLF . $data;
// Send the request
$response = '';
fputs($this->fh, $request);
while (!feof($this->fh)) {
$response .= fgets($this->fh, 128);
}
fclose($this->fh);
// Seperate the response
$response = explode(CRLF . CRLF, $response, 2);
$headers = explode(CRLF, $response[0]);
$this->response_body = $response[1];
// Parse the response status
$http = array_shift($headers);
preg_match('/^HTTP\\/[0-9.]+ ([0-9]{3}) (.*)$/', $http, $match);
$this->status = (int) $match[1];
$this->status_text = $match[2];
// Parse the headers
$parsed_headers = array();
foreach ($headers as $header) {
$header = explode(': ', $header, 2);
$parsed_headers[$header[0]] = $header[1];
}
$this->response_headers = $parsed_headers;
// Check for a location header
if (isset($this->response_headers['Location'])) {
$location = $this->response_headers;
$sub_request = new self();
$sub_request->__is_redirect($this->redirect_stack);
$sub_request->open($this->method, $location);
if ($sub_request->error_code) {
$this->error_code = $sub_request->error_code;
return false;
}
foreach ($this->headers as $name => $value) {
$sub_request->set_request_header($name, $value);
}
$sub_request->send($data);
$this->response_text = $sub_request->response_text;
$this->response_headers = $sub_request->get_all_response_headers();
$this->status_code = $sub_request->status_code;
$this->status_text = $sub_request->status_text;
}
// All done
$this->ready_state = 4;
return $this;
}
