PHP using curl to get compete statistics website information method

This article mainly introduces the PHP Access statistics class compete API usage, example analysis of PHP using curl to obtain compete statistics website information skills, with a certain reference value, the need for friends can refer to the next

The example in this article is about PHP's access to the Web site statistics class compete API usage. Specific as follows:

This is where PHP gets the website Access statistics class compete Api,compete is a website dedicated to statistics on website information

<?php//Check for Dependenciesif (!function_exists (' curl_init ')) throw new Exception (' Compete needs the curl PHP Extens Ion. '); 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{/** * De  Fault usr agent. */Const User_agent = ' Compete API wrapper for PHP ';  /** * Base URL for API calls. */Const API_BASE_URL = ' http://apps.compete.com/sites/:d omain/trended/:metric/?apikey=:key ';  /** * Masks for URL params. */Private $_urlkeys = Array (':d omain ', ': 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 ' avg Stay ',//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 ', ' Pagevi EWS ' = = ' PV ', ' averagestay ' = ' avgstay ', ' visitsperson ' = ' VPP ', ' pagesvisit ' = ' ppv ', ' attention ' = = ' att ', ' dailyreach ' = ' reachd ', ' dailyattention ' = ' attd ', ' gender ' = ' gen ', ' age ' =& Gt ' 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])) r  Eturn $this->get ($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);}/** * Exe  Cute 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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