php curl Operation API Interface Class Complete Example

This article illustrates how php curl operates on the API interface class. Share it for your reference, as follows:

<?php
namespace curl;
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/6/16
 * Time: 9:54
 */
class ApiClient
{
// Requested token
 const token='token_str';
 // Request url
 private $url;
 // Type of request 
 private $requestType;
 // Requested data 
 private $data;
 //curl Instances 
 private $curl;
 public $status;
 private $headers = array();
 /**
  * [__construct  Construction method ,  Initialization data ]
  * @param [type] $url   Requested server address 
  * @param [type] $requestType  Method of sending request 
  * @param [type] $data  Data sent 
  * @param integer $url_model  Routing request mode 
  */
 public function __construct($url, $data = array(), $requestType = 'get') {
  //url It must be passed on , And is consistent with PATHINFO Path of pattern 
  if (!$url) {
   return false;
  }
  $this->requestType = strtolower($requestType);
  $paramUrl = '';
  // PATHINFO Mode 
  if (!empty($data)) {
   foreach ($data as $key => $value) {
    $paramUrl.= $key . '=' . $value.'&';
   }
   $url = $url .'?'. $paramUrl;
  }
  // Initialize data in a class 
  $this->url = $url;
  $this->data = $data;
  try{
   if(!$this->curl = curl_init()){
    throw new Exception('curl Initialization error: ');
   };
  }catch (Exception $e){
   echo '<pre>';
   print_r($e->getMessage());
   echo '</pre>';
  }
  curl_setopt($this->curl, CURLOPT_URL, $this->url);
  curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, 1);
  //curl_setopt($this->curl, CURLOPT_HEADER, 1);
 }
 /**
  * [_post  Settings get Parameters requested ]
  * @return [type] [description]
  */
 public function _get() {
 }
 /**
  * [_post  Settings post Parameters requested ]
  * post  New resources 
  * @return [type] [description]
  */
 public function _post() {
  curl_setopt($this->curl, CURLOPT_POST, 1);
  curl_setopt($this->curl, CURLOPT_POSTFIELDS, $this->data);
 }
 /**
  * [_put  Settings put Request ]
  * put  Update resources 
  * @return [type] [description]
  */
 public function _put() {
  curl_setopt($this->curl, CURLOPT_CUSTOMREQUEST, 'PUT');
 }
 /**
  * [_delete  Delete a resource ]
  * delete  Delete a resource 
  * @return [type] [description]
  */
 public function _delete() {
  curl_setopt($this->curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
 }
 /**
  * [doRequest  Execute send request ]
  * @return [type] [description]
  */
 public function doRequest() {
  // Send authentication information to the server 
  if((null !== self::token) && self::token){
   $this->headers = array(
    'Client-Token:'.self::token,// You cannot underline here 
    'Client-Code:'.$this->setAuthorization()
   );
  }
  // Send header information 
  $this->setHeader();
  // Send request mode 
  switch ($this->requestType) {
   case 'post':
    $this->_post();
    break;
   case 'put':
    $this->_put();
    break;
   case 'delete':
    $this->_delete();
    break;
   default:
    curl_setopt($this->curl, CURLOPT_HTTPGET, TRUE);
    break;
  }
  // Execute curl Request 
  $info = curl_exec($this->curl);
  // Get curl Execution status information 
  $this->status = $this->getInfo();
  return json_decode($info);
 }
 /**
  *  Set the header information to be sent 
  */
 private function setHeader(){
  curl_setopt($this->curl, CURLOPT_HTTPHEADER, $this->headers);
 }
 /**
  *  Generate authorization code 
  * @return string  Authorization code 
  */
 private function setAuthorization(){
  $authorization = md5(substr(md5(self::token), 8, 24).self::token);
  return $authorization;
 }
 /**
  *  Get curl Status information in 
  */
 public function getInfo(){
  return curl_getinfo($this->curl);
 }
 /**
  *  Shut down curl Connect 
  */
 public function __destruct(){
  curl_close($this->curl);
 }
}

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