PHP SimplePie_Misc::error方法代码示例

//.........这里部分代码省略.........
                                if (isset($this->data['headers']['etag'])) {
                                    $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"';
                                }
                                $file =& new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen);
                                if ($file->success) {
                                    if ($file->status_code == 304) {
                                        $cache->touch();
                                        return true;
                                    } else {
                                        $headers = $file->headers;
                                    }
                                } else {
                                    unset($file);
                                }
                            }
                        } else {
                            return true;
                        }
                    } else {
                        $cache->unlink();
                        $this->data = array();
                    }
                }
                // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
                if (!isset($file)) {
                    if (is_a($this->file, 'SimplePie_File') && $this->file->url == $this->feed_url) {
                        $file =& $this->file;
                    } else {
                        $file =& new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
                    }
                }
                // If the file connection has an error, set SimplePie::error to that and quit
                if (!$file->success) {
                    $this->error = $file->error;
                    if (!empty($this->data)) {
                        return true;
                    } else {
                        return false;
                    }
                }
                if (!$this->force_feed) {
                    // Check if the supplied URL is a feed, if it isn't, look for it.
                    $locate =& new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
                    if (!$locate->is_feed($file)) {
                        // We need to unset this so that if SimplePie::set_file() has been called that object is untouched
                        unset($file);
                        if ($file = $locate->find($this->autodiscovery)) {
                            if ($cache) {
                                $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
                                if (!$cache->save($this)) {
                                    trigger_error("{$cache->name} is not writeable", E_USER_WARNING);
                                }
                                $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
                            }
                            $this->feed_url = $file->url;
                        } else {
                            $this->error = "A feed could not be found at {$this->feed_url}";
                            SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
                            return false;
                        }
                    }
                    $locate = null;
                }
                $headers = $file->headers;
                $data = $file->body;
                $sniffer = new $this->content_type_sniffer_class($file);

 public function init()
 {
     // Check absolute bare minimum requirements.
     if (function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<') || !extension_loaded('xml') || !extension_loaded('pcre')) {
         return false;
     } elseif (!extension_loaded('xmlreader')) {
         static $xml_is_sane = null;
         if ($xml_is_sane === null) {
             $parser_check = xml_parser_create();
             xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
             xml_parser_free($parser_check);
             $xml_is_sane = isset($values[0]['value']);
         }
         if (!$xml_is_sane) {
             return false;
         }
     }
     // Pass whatever was set with config options over to the sanitizer.
     $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
     $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
     if ($this->feed_url !== null || $this->raw_data !== null) {
         $this->error = null;
         $this->data = array();
         $this->multifeed_objects = array();
         $cache = false;
         if ($this->feed_url !== null) {
             $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
             // Decide whether to enable caching
             if ($this->cache && $parsed_feed_url['scheme'] !== '') {
                 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
             }
             // If it's enabled and we don't want an XML dump, use the cache
             if ($cache && !$this->xml_dump) {
                 // Load the Cache
                 $this->data = $cache->load();
                 if (!empty($this->data)) {
                     // If the cache is for an outdated build of SimplePie
                     if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD) {
                         $cache->unlink();
                         $this->data = array();
                     } elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) {
                         $cache = false;
                         $this->data = array();
                     } elseif (isset($this->data['feed_url'])) {
                         // If the autodiscovery cache is still valid use it.
                         if ($cache->mtime() + $this->autodiscovery_cache_duration > time()) {
                             // Do not need to do feed autodiscovery yet.
                             if ($this->data['feed_url'] === $this->data['url']) {
                                 $cache->unlink();
                                 $this->data = array();
                             } else {
                                 $this->set_feed_url($this->data['feed_url']);
                                 return $this->init();
                             }
                         }
                     } elseif ($cache->mtime() + $this->cache_duration < time()) {
                         // If we have last-modified and/or etag set
                         if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) {
                             $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1');
                             if (isset($this->data['headers']['last-modified'])) {
                                 $headers['if-modified-since'] = $this->data['headers']['last-modified'];
                             }
                             if (isset($this->data['headers']['etag'])) {
                                 $headers['if-none-match'] = $this->data['headers']['etag'];
                             }
                             $file = new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen);
                             if ($file->success) {
                                 if ($file->status_code === 304) {
                                     $cache->touch();
                                     return true;
                                 } else {
                                     $headers = $file->headers;
                                 }
                             } else {
                                 unset($file);
                             }
                         }
                     } else {
                         return true;
                     }
                 } else {
                     $cache->unlink();
                     $this->data = array();
                 }
             }
             // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
             if (!isset($file)) {
                 if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url) {
                     $file =& $this->file;
                 } else {
                     $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1');
                     $file = new $this->file_class($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen);
                 }
             }
             // If the file connection has an error, set SimplePie::error to that and quit
             if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) {
                 $this->error = $file->error;
                 if (!empty($this->data)) {
                     return true;
                 } else {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                        $file = new $this->file_class($this->rss_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen);
                                        if ($file->success) {
                                            $headers = $file->headers();
                                            if ($headers['status']['code'] == 304) {
                                                $cache->touch();
                                                return true;
                                            }
                                        } else {
                                            unset($file);
                                        }
                                    } else {
                                        $cache->unlink();
                                    }
                                } else {
                                    return true;
                                }
                            }
                        }
                    } else {
                        $cache->unlink();
                    }
                }
                $this->data = array();
                // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
                if (!isset($file)) {
                    if (is_a($this->file, 'SimplePie_File') && $this->file->url == $this->rss_url) {
                        $file =& $this->file;
                    } else {
                        $file = new $this->file_class($this->rss_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
                    }
                }
                // If the file connection has an error, set SimplePie::error to that and quit
                if (!$file->success) {
                    $this->error = $file->error;
                    return false;
                }
                // Check if the supplied URL is a feed, if it isn't, look for it.
                $locate = new $this->locator_class($file, $this->timeout, $this->useragent);
                if (!$locate->is_feed($file)) {
                    $feed = $locate->find();
                    if ($feed) {
                        if ($cache && !$cache->save(array('url' => $this->rss_url, 'feed_url' => $feed))) {
                            $this->error = "{$cache->name} is not writeable";
                            SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
                        }
                        $this->rss_url = $feed;
                        return $this->init();
                    } else {
                        $this->error = "A feed could not be found at {$this->rss_url}";
                        SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__);
                        return false;
                    }
                }
                $headers = $file->headers();
                $data = trim($file->body());
                $file->close();
                unset($file);
            } else {
                $data = $this->raw_data;
            }
            // First check to see if input has been overridden.
            if (!empty($this->input_encoding)) {
                $encoding = $this->input_encoding;
            } else {
                if (!empty($headers['content-type']) && preg_match('/charset\\s*=\\s*([^;]*)/i', $headers['content-type'], $charset)) {
                    $encoding = $charset[1];

 public function init()
 {
     if (function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<') || !extension_loaded('xml') || !extension_loaded('pcre')) {
         return false;
     } elseif (!extension_loaded('xmlreader')) {
         static $xml_is_sane = null;
         if ($xml_is_sane === null) {
             $parser_check = xml_parser_create();
             xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
             xml_parser_free($parser_check);
             $xml_is_sane = isset($values[0]['value']);
         }
         if (!$xml_is_sane) {
             return false;
         }
     }
     $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
     $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
     if ($this->feed_url !== null || $this->raw_data !== null) {
         $this->error = null;
         $this->data = array();
         $this->multifeed_objects = array();
         $cache = false;
         if ($this->feed_url !== null) {
             $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
             if ($this->cache && $parsed_feed_url['scheme'] !== '') {
                 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
             }
             if ($cache && !$this->xml_dump) {
                 $this->data = $cache->load();
                 if (!empty($this->data)) {
                     if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD) {
                         $cache->unlink();
                         $this->data = array();
                     } elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) {
                         $cache = false;
                         $this->data = array();
                     } elseif (isset($this->data['feed_url'])) {
                         if ($cache->mtime() + $this->autodiscovery_cache_duration > time()) {
                             if ($this->data['feed_url'] === $this->data['url']) {
                                 $cache->unlink();
                                 $this->data = array();
                             } else {
                                 $this->set_feed_url($this->data['feed_url']);
                                 return $this->init();
                             }
                         }
                     } elseif ($cache->mtime() + $this->cache_duration < time()) {
                         if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) {
                             $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1');
                             if (isset($this->data['headers']['last-modified'])) {
                                 $headers['if-modified-since'] = $this->data['headers']['last-modified'];
                             }
                             if (isset($this->data['headers']['etag'])) {
                                 $headers['if-none-match'] = $this->data['headers']['etag'];
                             }
                             $file = new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen);
                             if ($file->success) {
                                 if ($file->status_code === 304) {
                                     $cache->touch();
                                     return true;
                                 } else {
                                     $headers = $file->headers;
                                 }
                             } else {
                                 unset($file);
                             }
                         }
                     } else {
                         $this->raw_data = false;
                         return true;
                     }
                 } else {
                     $cache->unlink();
                     $this->data = array();
                 }
             }
             if (!isset($file)) {
                 if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url) {
                     $file =& $this->file;
                 } else {
                     $headers = array('Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1');
                     $file = new $this->file_class($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen);
                 }
             }
             if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) {
                 $this->error = $file->error;
                 if (!empty($this->data)) {
                     return true;
                 } else {
                     return false;
                 }
             }
             if (!$this->force_feed) {
                 $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
                 if (!$locate->is_feed($file)) {
                     unset($file);
                     if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)) {
                         if ($cache) {
                             $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                if (isset($this->data['headers']['etag'])) {
                                    $headers['if-none-match'] = $this->data['headers']['etag'];
                                }
                                $file = new $this->file_class($this->feed_url, $this->timeout / 10, 5, $headers, $this->useragent, $this->force_fsockopen);
                                if ($file->success) {
                                    if ($file->status_code == 304) {
                                        $cache->touch();
                                        return true;
                                    } else {
                                        $headers = $file->headers;
                                    }
                                } else {
                                    unset($file);
                                }
                            }
                        } else {
                            return true;
                        }
                    } else {
                        $cache->unlink();
                        $this->data = array();
                    }
                }
                // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
                if (!isset($file)) {
                    if (SimplePie_Misc::is_a($this->file, 'SimplePie_File') && $this->file->url == $this->feed_url) {
                        $file =& $this->file;
                    } else {
                        $file = new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
                    }
                }
                // If the file connection has an error, set SimplePie::error to that and quit
                if (!$file->success) {
                    $this->error = $file->error;
                    if (!empty($this->data)) {
                        return true;
                    } else {
                        return false;
                    }
                }
                // Check if the supplied URL is a feed, if it isn't, look for it.
                $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds);
                if (!$locate->is_feed($file)) {
                    // We need to unset this so that if SimplePie::set_file() has been called that object is untouched
                    unset($file);
                    if ($file = $locate->find($this->autodiscovery)) {
                        if ($cache) {
                            if (!$cache->save(array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD))) {
                                trigger_error("{$cache->name} is not writeable", E_USER_WARNING);
                            }
                            $cache = new $this->cache_class($this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
                        }
                        $this->feed_url = $file->url;
                    } else {
                        $this->error = "A feed could not be found at {$this->feed_url}";
                        SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
                        return false;
                    }
                }
                $locate = null;
                $headers = $file->headers;
                $data = trim($file->body);
                unset($file);
            } else {
                $data = $this->raw_data;
            }