Single function REST request API

api_request.php

<?php
   set_time_limit(900);

   function api_request($url, $method  = null, $data = null, &$result_http_code = null){
      $curl = curl_init();
      
      if($method === null){
         $method  = $_SERVER['REQUEST_METHOD'];
      }

      curl_setopt_array($curl, array(
          CURLOPT_CUSTOMREQUEST  => $method,
          CURLOPT_RETURNTRANSFER => true,
          CURLOPT_SSL_VERIFYPEER => false,
          CURLOPT_TIMEOUT        => 900,
          CURLOPT_HTTPHEADER  => array(
              'Content-Type: application/json'
          ),
          CURLOPT_USERPWD        => $_REQUEST['user'].':'.$_REQUEST['password'],
          CURLOPT_URL            => $_REQUEST['base_url'].$url
      ));

      if($data !== null){
         curl_setopt_array($curl, array(
             CURLOPT_POSTFIELDS  => $data,
             CURLOPT_HTTPHEADER  => array(
                 'Content-Type: application/json',                                                                                
                 'Content-Length: '.strlen($data)
             )
         ));
      }

      $result  = curl_exec($curl);

      if($result === false){
         $result  = curl_error($curl);
      }
      
      if($result_http_code !== null){
         $result_http_code  = curl_getinfo($curl, CURLINFO_HTTP_CODE);
      }
      
      return $result;
      curl_close($curl);
   }