miniflux-legacy/vendor/fguillot/picofeed/lib/PicoFeed/Client/HttpHeaders.php

80 lines
1.8 KiB
PHP

<?php
namespace PicoFeed\Client;
use ArrayAccess;
use PicoFeed\Logging\Logger;
/**
* Class to handle HTTP headers case insensitivity
*
* @author Bernhard Posselt
* @author Frederic Guillot
* @package Client
*/
class HttpHeaders implements ArrayAccess
{
private $headers = array();
public function __construct(array $headers)
{
foreach ($headers as $key => $value) {
$this->headers[strtolower($key)] = $value;
}
}
public function offsetGet($offset)
{
return $this->headers[strtolower($offset)];
}
public function offsetSet($offset, $value)
{
$this->headers[strtolower($offset)] = $value;
}
public function offsetExists($offset)
{
return isset($this->headers[strtolower($offset)]);
}
public function offsetUnset($offset)
{
unset($this->headers[strtolower($offset)]);
}
/**
* Parse HTTP headers
*
* @static
* @access public
* @param array $lines List of headers
* @return array
*/
public static function parse(array $lines)
{
$status = 200;
$headers = array();
foreach ($lines as $line) {
if (strpos($line, 'HTTP') === 0) {
$status = (int) substr($line, 9, 3);
}
else if (strpos($line, ':') !== false) {
@list($name, $value) = explode(': ', $line);
if ($value) $headers[trim($name)] = trim($value);
}
}
Logger::setMessage(get_called_class().' HTTP status code: '.$status);
foreach ($headers as $name => $value) {
Logger::setMessage(get_called_class().' HTTP header: '.$name.' => '.$value);
}
return array($status, new self($headers));
}
}