php curl post function

curl.post.php

<?php
if ( ! function_exists('getCurlPost')){
  function getCurlPost($_url='', $_param=array()){

    if($_url !=''){
      ini_set("memory_limit", "512M");
      $_headers = array(
        "Content-Type: application/x-www-form-urlencoded; charset=utf-8"
      );
      $curlObj = curl_init();
      curl_setopt($curlObj, CURLOPT_URL, $_url );
      curl_setopt($curlObj, CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($curlObj, CURLOPT_SSLVERSION, 1);
      curl_setopt($curlObj, CURLOPT_POST, true);
      curl_setopt($curlObj, CURLOPT_HEADER, false);
      curl_setopt($curlObj, CURLOPT_HTTPHEADER, $_headers);
      curl_setopt($curlObj, CURLOPT_RETURNTRANSFER, true);
      curl_setopt($curlObj, CURLOPT_POSTFIELDS, http_build_query($_param));
      $response = curl_exec($curlObj);
      $_json = array();
      $_json = json_decode($response,true);
      curl_close($curlObj);
      return array(
        'response' => $response
        ,'json' => $_json
      );
    }else{
      return false;
    }
  }
}
//sample
$_url = 'url';
// parameter
$_send_param = array(
	'param1' => 'param1'
  ,'param2' => 'param2'
);
$_tmp = getCurlPost($_url, $_send_param);
$_response = $_tmp['response'];
$_json = $_tmp['json'];