首页 / 网页编程 / PHP / php获得网站访问统计信息类Compete API用法实例

<?php// Check for dependenciesif （！function_exists（"curl_init"）） throw new Exception（"Compete needs the CURL PHP extension."）;if （！function_exists（"json_decode"）） throw new Exception（"Compete needs the JSON PHP extension."）;/** * Base Compete exception class. */class CompeteException extends Exception {}/** * Represents Compete API. * @author Egor Gumenyuk （boo1ean0807 at gmail dot com） * @package Compete * @license Apache 2.0 */class Compete{ /*** Default usr agent.*/ const USER_AGENT= "Compete API wrapper for PHP"; /*** Base url for api calls.*/ const API_BASE_URL = "http://apps.compete.com/sites/:domain/trended/:metric/?apikey=:key"; /*** Masks for url params.*/ private $_urlKeys = array（":domain", ":metric", ":key"）; private $_apiKey; /*** For url cleaning.*/ private $_toSearch = array（"http://", "www."）; private $_toReplace = array（"", ""）; /*** List of available metrics.*/ private $_availableMetrics = array（ // Description Auth type"uv", // Unique Visitors Basic"vis",// VisitsBasic"rank",// Rank Basic"pv", // Page ViewsAll-Access"avgstay",// Average Stay All-Access"vpp",// Visits/PersonAll-Access"ppv",// Pages/Visit All-Access"att",// AttentionAll-Access"reachd", // Daily Reach All-Access"attd",// Daily Attention All-Access"gen",// GenderAll-Access"age",// Age All-Access"inc",// IncomeAll-Access ）; /*** List of available methods for __call（） implementation.*/ private $_metrics = array（"uniqueVisitors" => "uv","visits" => "vis","rank"=> "rank","pageViews" => "pv","averageStay"=> "avgstay","visitsPerson"=> "vpp","pagesVisit" => "ppv","attention" => "att","dailyReach" => "reachd","dailyAttention" => "attd","gender" => "gen","age"=> "age","income" => "inc" ）; /*** Create access to Compete API.* @param string $apiKey user"s api key.*/ public function __construct（$apiKey） {$this->_apiKey = $apiKey; } /*** Implement specific methods.*/ public function __call（$name, $args） {if （array_key_exists（$name, $this->_metrics） && isset（$args[0]）） return $this->get（$args[0], $this->_metrics[$name]）;throw new CompeteException（$name . " method does not exist."）; } /*** Get data from Compete.* @param string $site some domain.* @param string $metric metric to get.* @return stdClass Compete data.* @throws CompeteException*/ public function get（$site, $metric） {if （！in_array（$metric, $this->_availableMetrics）） throw new CompeteException（$metric . " - wrong metric."）;$values = array（ $this->_prepareUrl（$site）, $metric, $this->_apiKey）;// Prepare call url$url = str_replace（$this->_urlKeys, $values, self::API_BASE_URL）;// Retrieve data using HTTP GET method.$data = json_decode（$this->_get（$url））;// Because of unsuccessful responses contain "status_message".if （！isset（$data->status_message）） return $data;throw new CompeteException（"Status: " . $data->status . ". " .$data->status_message）; } /*** Cut unnecessary parts of url.* @param string $url some url.* @return string trimmed url.*/ private function _prepareUrl（$url） {return str_replace（$this->_toSearch, $this->_toReplace, $url）; } /*** Execute http get method.* @param string $url request url.* @return string response.*/ private function _get（$url） {$ch = curl_init（）;curl_setopt（$ch, CURLOPT_URL, $url）;curl_setopt（$ch, CURLOPT_USERAGENT, self::USER_AGENT）;curl_setopt（$ch, CURLOPT_RETURNTRANSFER, true）;return curl_exec（$ch）; }}