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<?php
namespace Ipolh\SDEK\Api\Client;
use Exception;
/**
* Class curl
* @package Ipolh\SDEK\Api\Client
*/
class curl
{
/**
* cURL handle
* @var null|resource
*/
private $client;
/**
* @var mixed
*/
private $answer;
/**
* @var null|int
*/
private $code;
/**
* @var string
*/
private $url = '';
/**
* @var array
*/
private $config = [];
/**
* @var int
*/
private $curlErrNum = 0;
/**
* @var array
*/
private $arrResponseHeaders = [];
/**
* curl constructor.
* @param string $url
* @param array $config
* @throws Exception
*/
public function __construct($url = false, array $config = [])
{
if (!function_exists('curl_init')) {
throw new Exception('No CURL library');
}
$this->client = curl_init();
if ($url) {
$this->setUrl($url);
}
if ($config) {
$this->config($config);
}
}
/**
* @param string $data
* @return $this
*/
public function post($data = '')
{
$this->setOpt(CURLOPT_POST, TRUE);
if($data) {
$this->setOpt(CURLOPT_POSTFIELDS, $data);
}
curl_setopt($this->client, CURLOPT_HEADERFUNCTION, [$this, 'responseHeaderParser']);
$this->request();
return $this;
}
/**
* @param array $data
* @return $this
*/
public function get(array $data = [])
{
if ($data) {
if (strpos($this->url, '?') !== false) {
$this->url = substr($this->url, 0, strpos($this->url, '?'));
}
$this->url .= '?' . http_build_query($data);
}
$this->request();
return $this;
}
/**
* @param string $data
* @return $this
*/
public function put($data = '')
{
curl_setopt($this->client,CURLOPT_CUSTOMREQUEST, 'PUT');
if($data) {
$this->setOpt(CURLOPT_POSTFIELDS, $data);
}
$this->request();
return $this;
}
/**
* @return $this
*/
public function delete()
{
$this->setOpt(CURLOPT_CUSTOMREQUEST, "DELETE");
$this->request();
return $this;
}
/**
* @param array $args
* @return $this
*/
public function config(array $args)
{
$this->config = $args;
curl_setopt_array($this->client, $args);
return $this;
}
/**
* @param int $opt
* @param mixed $val
* @return $this
*/
public function setOpt($opt, $val)
{
curl_setopt($this->client, $opt, $val);
return $this;
}
/**
* @return int|null
*/
public function getCode()
{
return $this->code;
}
/**
* @return mixed
*/
public function getAnswer()
{
return $this->answer;
}
/**
* @return array
*/
public function getRequest()
{
return array('code' => $this->getCode(), 'answer' => $this->getAnswer());
}
/**
* @param string $url
* @return $this
*/
public function setUrl($url)
{
$this->url = $url;
return $this;
}
/**
* @return string
*/
public function getUrl()
{
return $this->url;
}
/**
* @return $this
*/
public function flee()
{
if ($this->client) {
curl_close($this->client);
}
return $this;
}
/**
* @param bool $close
* @return $this
*/
private function request($close = true)
{
$this->setOpt(CURLOPT_URL, $this->url);
$this->answer = curl_exec($this->client);
$this->code = curl_getinfo($this->client, CURLINFO_HTTP_CODE);
if ($this->code === 0) {
$this->curlErrNum = curl_errno($this->client);
}
if ($close) {
$this->flee();
}
return $this;
}
/**
* @param array $data
* @return $this
*/
public function getMulti(array $data)
{
$curlHandles = [];
$codes = [];
$results = [];
if (!is_array($data)) {
throw new Exception('Unknown data type given for cURL multi GET request');
}
$nodes = count($data);
if ($nodes < 1) {
throw new Exception('Empty data array given for cURL multi GET request');
}
$curlMulti = curl_multi_init();
for ($i = 0; $i < $nodes; $i++) {
$url = $this->url.(empty($data[$i]) ? '' : '?'.http_build_query($data[$i]));
$curlHandles[$i] = curl_init($url);
if (!empty($this->config)) {
curl_setopt_array($curlHandles[$i], $this->config);
}
curl_setopt($curlHandles[$i], CURLOPT_URL, $url);
curl_setopt($curlHandles[$i], CURLOPT_RETURNTRANSFER, true);
if (!empty($data[$i])) {
$results[$i]['request'] = $data[$i];
}
curl_multi_add_handle($curlMulti, $curlHandles[$i]);
}
$running = null;
do {
curl_multi_exec($curlMulti, $running);
/*
$i = 0;
while (false !== ($info = curl_multi_info_read($curlMulti))) {
$codes[$i] = curl_getinfo($info['handle'], CURLINFO_HTTP_CODE);
$i++;
}
*/
} while ($running);
for ($i = 0; $i < $nodes; $i++) {
$results[$i]['response'] = curl_multi_getcontent($curlHandles[$i]);
$results[$i]['code'] = curl_getinfo($curlHandles[$i], CURLINFO_HTTP_CODE);
curl_multi_remove_handle($curlMulti, $curlHandles[$i]);
$codes[] = $results[$i]['code'];
}
curl_multi_close($curlMulti);
$this->answer = $results;
// HTTP status magic crutches
$codes = array_unique($codes);
if (in_array('200', $codes)) {
// At least one request successful
$this->code = 200;
} else {
// Returns da lower existing HTTP status
sort($codes);
$this->code = $codes[0];
}
return $this;
}
/**
* @param array $data
* @return $this
*/
public function postMulti(array $data)
{
$curlHandles = [];
$codes = [];
$results = [];
if (!is_array($data)) {
throw new Exception('Unknown data type given for cURL multi POST request');
}
$nodes = count($data);
if ($nodes < 1) {
throw new Exception('Empty data array given for cURL multi POST request');
}
$curlMulti = curl_multi_init();
for ($i = 0; $i < $nodes; $i++) {
$curlHandles[$i] = curl_init($this->url);
if (!empty($this->config)) {
curl_setopt_array($curlHandles[$i], $this->config);
}
curl_setopt($curlHandles[$i], CURLOPT_URL, $this->url);
curl_setopt($curlHandles[$i], CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlHandles[$i], CURLOPT_POST, true);
if (!empty($data[$i])) {
$json = json_encode($data[$i], JSON_UNESCAPED_UNICODE);
curl_setopt($curlHandles[$i], CURLOPT_POSTFIELDS, $json);
$results[$i]['request'] = $json;
}
curl_multi_add_handle($curlMulti, $curlHandles[$i]);
}
$running = null;
do {
curl_multi_exec($curlMulti, $running);
/*
$i = 0;
while (false !== ($info = curl_multi_info_read($curlMulti))) {
$codes[$i] = curl_getinfo($info['handle'], CURLINFO_HTTP_CODE);
$i++;
}
*/
} while ($running);
for ($i = 0; $i < $nodes; $i++) {
$results[$i]['response'] = curl_multi_getcontent($curlHandles[$i]);
$results[$i]['code'] = curl_getinfo($curlHandles[$i], CURLINFO_HTTP_CODE);
curl_multi_remove_handle($curlMulti, $curlHandles[$i]);
$codes[] = $results[$i]['code'];
}
curl_multi_close($curlMulti);
$this->answer = $results;
// HTTP status magic crutches
$codes = array_unique($codes);
if (in_array('200', $codes)) {
// At least one request successful
$this->code = 200;
} else {
// Returns da lower existing HTTP status
sort($codes);
$this->code = $codes[0];
}
return $this;
}
private function responseHeaderParser($curl, $header)
{// this function is called by curl for each header received
$len = strlen($header);
$header = explode(':', $header, 2);
if (count($header) < 2) { // ignore invalid headers
return $len;
}
$this->arrResponseHeaders[strtolower(trim($header[0]))][] = trim($header[1]);
return $len;
}
/**
* @return int
*/
public function getCurlErrNum()
{
return $this->curlErrNum;
}
/**
* @return array
*/
public function getArrResponseHeaders()
{
return $this->arrResponseHeaders;
}
}