3 if ( !class_exists('SimplePie') )
4 require_once (ABSPATH . WPINC . '/class-simplepie.php');
6 class WP_Feed_Cache extends SimplePie_Cache {
8 * Create a new SimplePie_Cache object
13 function create($location, $filename, $extension) {
14 return new WP_Feed_Cache_Transient($location, $filename, $extension);
18 class WP_Feed_Cache_Transient {
21 var $lifetime = 43200; //Default lifetime in cache of 12 hours
23 function __construct($location, $filename, $extension) {
24 $this->name = 'feed_' . $filename;
25 $this->mod_name = 'feed_mod_' . $filename;
26 $this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename);
29 function save($data) {
30 if ( is_a($data, 'SimplePie') )
33 set_transient($this->name, $data, $this->lifetime);
34 set_transient($this->mod_name, time(), $this->lifetime);
39 return get_transient($this->name);
43 return get_transient($this->mod_name);
47 return set_transient($this->mod_name, time(), $this->lifetime);
51 delete_transient($this->name);
52 delete_transient($this->mod_name);
57 class WP_SimplePie_File extends SimplePie_File {
59 function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) {
61 $this->timeout = $timeout;
62 $this->redirects = $redirects;
63 $this->headers = $headers;
64 $this->useragent = $useragent;
66 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
68 if ( preg_match('/^http(s)?:\/\//i', $url) ) {
69 $args = array( 'timeout' => $this->timeout, 'redirection' => $this->redirects);
71 if ( !empty($this->headers) )
72 $args['headers'] = $this->headers;
74 if ( SIMPLEPIE_USERAGENT != $this->useragent ) //Use default WP user agent unless custom has been specified
75 $args['user-agent'] = $this->useragent;
77 $res = wp_remote_request($url, $args);
79 if ( is_wp_error($res) ) {
80 $this->error = 'WP HTTP Error: ' . $res->get_error_message();
81 $this->success = false;
83 $this->headers = wp_remote_retrieve_headers( $res );
84 $this->body = wp_remote_retrieve_body( $res );
85 $this->status_code = wp_remote_retrieve_response_code( $res );
88 if ( ! $this->body = file_get_contents($url) ) {
89 $this->error = 'file_get_contents could not read the file';
90 $this->success = false;