# PHP Curl Class: HTTP requests made easy
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PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs.
![PHP Curl Class screencast](www/img/screencast.gif)
---
- [Installation](#installation)
- [Requirements](#requirements)
- [Quick Start and Examples](#quick-start-and-examples)
- [Available Methods](#available-methods)
- [Security](#security)
- [Troubleshooting](#troubleshooting)
- [Run Tests](#run-tests)
- [Contribute](#contribute)
---
### Installation
To install PHP Curl Class, simply:
$ composer require php-curl-class/php-curl-class
For latest commit version:
$ composer require php-curl-class/php-curl-class @dev
### Requirements
PHP Curl Class works with PHP 5.3, 5.4, 5.5, 5.6, 7.0, 7.1, and HHVM.
### Quick Start and Examples
More examples are available under [/examples](https://github.com/php-curl-class/php-curl-class/tree/master/examples).
```php
require __DIR__ . '/vendor/autoload.php';
use \Curl\Curl;
$curl = new Curl();
$curl->get('https://www.example.com/');
if ($curl->error) {
echo 'Error: ' . $curl->errorCode . ': ' . $curl->errorMessage . "\n";
} else {
echo 'Response:' . "\n";
var_dump($curl->response);
}
```
```php
// https://www.example.com/search?q=keyword
$curl = new Curl();
$curl->get('https://www.example.com/search', array(
'q' => 'keyword',
));
```
```php
$curl = new Curl();
$curl->post('https://www.example.com/login/', array(
'username' => 'myusername',
'password' => 'mypassword',
));
```
```php
$curl = new Curl();
$curl->setBasicAuthentication('username', 'password');
$curl->setUserAgent('MyUserAgent/0.0.1 (+https://www.example.com/bot.html)');
$curl->setReferrer('https://www.example.com/url?url=https%3A%2F%2Fwww.example.com%2F');
$curl->setHeader('X-Requested-With', 'XMLHttpRequest');
$curl->setCookie('key', 'value');
$curl->get('https://www.example.com/');
if ($curl->error) {
echo 'Error: ' . $curl->errorCode . ': ' . $curl->errorMessage . "\n";
} else {
echo 'Response:' . "\n";
var_dump($curl->response);
}
var_dump($curl->requestHeaders);
var_dump($curl->responseHeaders);
```
```php
$curl = new Curl();
$curl->setOpt(CURLOPT_FOLLOWLOCATION, true);
$curl->get('https://shortn.example.com/bHbVsP');
```
```php
$curl = new Curl();
$curl->put('https://api.example.com/user/', array(
'first_name' => 'Zach',
'last_name' => 'Borboa',
));
```
```php
$curl = new Curl();
$curl->patch('https://api.example.com/profile/', array(
'image' => '@path/to/file.jpg',
));
```
```php
$curl = new Curl();
$curl->patch('https://api.example.com/profile/', array(
'image' => new CURLFile('path/to/file.jpg'),
));
```
```php
$curl = new Curl();
$curl->delete('https://api.example.com/user/', array(
'id' => '1234',
));
```
```php
// Enable all supported encoding types and download a file.
$curl = new Curl();
$curl->setOpt(CURLOPT_ENCODING , '');
$curl->download('https://www.example.com/file.bin', '/tmp/myfile.bin');
```
```php
// Case-insensitive access to headers.
$curl = new Curl();
$curl->download('https://www.example.com/image.png', '/tmp/myimage.png');
echo $curl->responseHeaders['Content-Type'] . "\n"; // image/png
echo $curl->responseHeaders['CoNTeNT-TyPE'] . "\n"; // image/png
```
```php
// Clean up.
$curl->close();
```
```php
// Example access to curl object.
curl_set_opt($curl->curl, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1');
curl_close($curl->curl);
```
```php
require __DIR__ . '/vendor/autoload.php';
use \Curl\MultiCurl;
// Requests in parallel with callback functions.
$multi_curl = new MultiCurl();
$multi_curl->success(function($instance) {
echo 'call to "' . $instance->url . '" was successful.' . "\n";
echo 'response:' . "\n";
var_dump($instance->response);
});
$multi_curl->error(function($instance) {
echo 'call to "' . $instance->url . '" was unsuccessful.' . "\n";
echo 'error code: ' . $instance->errorCode . "\n";
echo 'error message: ' . $instance->errorMessage . "\n";
});
$multi_curl->complete(function($instance) {
echo 'call completed' . "\n";
});
$multi_curl->addGet('https://www.google.com/search', array(
'q' => 'hello world',
));
$multi_curl->addGet('https://duckduckgo.com/', array(
'q' => 'hello world',
));
$multi_curl->addGet('https://www.bing.com/search', array(
'q' => 'hello world',
));
$multi_curl->start(); // Blocks until all items in the queue have been processed.
```
More examples are available under [/examples](https://github.com/php-curl-class/php-curl-class/tree/master/examples).
### Available Methods
```php
Curl::__construct($base_url = null)
Curl::__destruct()
Curl::__get($name)
Curl::attemptRetry()
Curl::beforeSend($callback)
Curl::buildPostData($data)
Curl::call()
Curl::close()
Curl::complete($callback)
Curl::delete($url, $query_parameters = array(), $data = array())
Curl::download($url, $mixed_filename)
Curl::error($callback)
Curl::exec($ch = null)
Curl::execDone()
Curl::get($url, $data = array())
Curl::getCookie($key)
Curl::getInfo($opt = null)
Curl::getOpt($option)
Curl::getResponseCookie($key)
Curl::getResponseCookies()
Curl::head($url, $data = array())
Curl::options($url, $data = array())
Curl::patch($url, $data = array())
Curl::post($url, $data = array(), $follow_303_with_post = false)
Curl::progress($callback)
Curl::put($url, $data = array())
Curl::removeHeader($key)
Curl::search($url, $data = array())
Curl::setBasicAuthentication($username, $password = '')
Curl::setConnectTimeout($seconds)
Curl::setCookie($key, $value)
Curl::setCookieFile($cookie_file)
Curl::setCookieJar($cookie_jar)
Curl::setCookieString($string)
Curl::setCookies($cookies)
Curl::setDefaultDecoder($mixed = 'json')
Curl::setDefaultJsonDecoder()
Curl::setDefaultTimeout()
Curl::setDefaultUserAgent()
Curl::setDefaultXmlDecoder()
Curl::setDigestAuthentication($username, $password = '')
Curl::setHeader($key, $value)
Curl::setHeaders($headers)
Curl::setJsonDecoder($mixed)
Curl::setMaxFilesize($bytes)
Curl::setOpt($option, $value)
Curl::setOpts($options)
Curl::setPort($port)
Curl::setReferer($referer)
Curl::setReferrer($referrer)
Curl::setRetry($mixed)
Curl::setTimeout($seconds)
Curl::setUrl($url, $mixed_data = '')
Curl::setUserAgent($user_agent)
Curl::setXmlDecoder($mixed)
Curl::success($callback)
Curl::unsetHeader($key)
Curl::verbose($on = true, $output = STDERR)
MultiCurl::__construct($base_url = null)
MultiCurl::__destruct()
MultiCurl::addCurl(Curl $curl)
MultiCurl::addDelete($url, $query_parameters = array(), $data = array())
MultiCurl::addDownload($url, $mixed_filename)
MultiCurl::addGet($url, $data = array())
MultiCurl::addHead($url, $data = array())
MultiCurl::addOptions($url, $data = array())
MultiCurl::addPatch($url, $data = array())
MultiCurl::addPost($url, $data = array(), $follow_303_with_post = false)
MultiCurl::addPut($url, $data = array())
MultiCurl::addSearch($url, $data = array())
MultiCurl::beforeSend($callback)
MultiCurl::close()
MultiCurl::complete($callback)
MultiCurl::error($callback)
MultiCurl::getOpt($option)
MultiCurl::removeHeader($key)
MultiCurl::setBasicAuthentication($username, $password = '')
MultiCurl::setConcurrency($concurrency)
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