本文实例讲述了php获得网站访问统计信息类Compete API用法。分享给大家供大家参考。具体如下：
这里使用php获得网站访问统计信息类Compete API，Compete是一个专门用来统计网站信息的网站
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<?php
// Check for dependencies
if (!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', // Visits Basic
'rank', // Rank Basic
'pv', // Page Views All-Access
'avgstay',// Average Stay All-Access
'vpp', // Visits/Person All-Access
'ppv', // Pages/Visit All-Access
'att', // Attention All-Access
'reachd', // Daily Reach All-Access
'attd', // Daily Attention All-Access
'gen', // Gender All-Access
'age', // Age All-Access
'inc', // Income All-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);
}
}
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