80 lines
1.8 KiB
PHP
80 lines
1.8 KiB
PHP
<?php
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namespace PicoFeed\Client;
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use ArrayAccess;
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use PicoFeed\Logging\Logger;
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/**
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* Class to handle HTTP headers case insensitivity.
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*
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* @author Bernhard Posselt
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* @author Frederic Guillot
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*/
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class HttpHeaders implements ArrayAccess
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{
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private $headers = array();
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public function __construct(array $headers)
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{
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foreach ($headers as $key => $value) {
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$this->headers[strtolower($key)] = $value;
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}
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}
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public function offsetGet($offset)
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{
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return $this->offsetExists($offset) ? $this->headers[strtolower($offset)] : '';
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}
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public function offsetSet($offset, $value)
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{
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$this->headers[strtolower($offset)] = $value;
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}
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public function offsetExists($offset)
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{
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return isset($this->headers[strtolower($offset)]);
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}
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public function offsetUnset($offset)
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{
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unset($this->headers[strtolower($offset)]);
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}
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/**
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* Parse HTTP headers.
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*
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* @static
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*
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* @param array $lines List of headers
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*
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* @return array
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*/
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public static function parse(array $lines)
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{
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$status = 0;
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$headers = array();
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foreach ($lines as $line) {
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if (strpos($line, 'HTTP/1') === 0) {
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$headers = array();
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$status = (int) substr($line, 9, 3);
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} elseif (strpos($line, ': ') !== false) {
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list($name, $value) = explode(': ', $line);
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if ($value) {
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$headers[trim($name)] = trim($value);
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}
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}
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}
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Logger::setMessage(get_called_class().' HTTP status code: '.$status);
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foreach ($headers as $name => $value) {
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Logger::setMessage(get_called_class().' HTTP header: '.$name.' => '.$value);
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}
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return array($status, new self($headers));
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}
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}
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