PHP Curl Class: HTTP requests made easy

PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs.

• ⚙️ Installation
• 📋 Requirements
• 🚀 Quick Start and Examples
• 📖 Available Methods
• 🔒 Security
• 🛠️ Troubleshooting
• 🧪 Testing
• 🤝 Contributing

⚙️ Installation

To install PHP Curl Class, run the following command:

composer require php-curl-class/php-curl-class

To install the latest commit version:

composer require php-curl-class/php-curl-class @dev

Installation instructions to use the composer command can be found on https://github.com/composer/composer.

📋 Requirements

PHP Curl Class works with PHP versions 8.5, 8.4, 8.3, 8.2, 8.1, and 8.0.

🚀 Quick Start and Examples

More examples are available under /examples.

require __DIR__ . '/vendor/autoload.php';

use Curl\Curl;

$curl = new Curl();
$curl->get('https://www.example.com/');

if ($curl->error) {
    echo 'Error: ' . $curl->errorMessage . "\n";
    $curl->diagnose();
} else {
    echo 'Response:' . "\n";
    var_dump($curl->response);
}

// https://www.example.com/search?q=keyword
$curl = new Curl();
$curl->get('https://www.example.com/search', [
    'q' => 'keyword',
]);

$curl = new Curl();
$curl->post('https://www.example.com/login/', [
    'username' => 'myusername',
    'password' => 'mypassword',
]);

$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: ' . $curl->errorMessage . "\n";
} else {
    echo 'Response:' . "\n";
    var_dump($curl->response);
}

var_dump($curl->requestHeaders);
var_dump($curl->responseHeaders);

$curl = new Curl();
$curl->setFollowLocation();
$curl->get('https://shortn.example.com/bHbVsP');

$curl = new Curl();
$curl->put('https://api.example.com/user/', [
    'first_name' => 'Zach',
    'last_name' => 'Borboa',
]);

$curl = new Curl();
$curl->patch('https://api.example.com/profile/', [
    'image' => '@path/to/file.jpg',
]);

$curl = new Curl();
$curl->patch('https://api.example.com/profile/', [
    'image' => new CURLFile('path/to/file.jpg'),
]);

$curl = new Curl();
$curl->delete('https://api.example.com/user/', [
    'id' => '1234',
]);

// 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');

// 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

// Manual clean up.
$curl->close();

// Example access to curl object.
curl_set_opt($curl->curl, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1');

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', [
    'q' => 'hello world',
]);
$multi_curl->addGet('https://duckduckgo.com/', [
    'q' => 'hello world',
]);
$multi_curl->addGet('https://www.bing.com/search', [
    'q' => 'hello world',
]);

$multi_curl->start(); // Blocks until all items in the queue have been processed.

More examples are available under /examples.

📖 Available Methods

Curl::__construct($base_url = null, $options = [])
Curl::__destruct()
Curl::__get($name)
Curl::__isset($name)
Curl::afterSend($callback)
Curl::attemptRetry()
Curl::beforeSend($callback)
Curl::buildPostData($data)
Curl::call()
Curl::close()
Curl::complete($callback)
Curl::delete($url, $query_parameters = [], $data = [])
Curl::diagnose($return = false)
Curl::disableTimeout()
Curl::displayCurlOptionValue($option, $value = null)
Curl::download($url, $mixed_filename)
Curl::error($callback)
Curl::exec($ch = null)
Curl::execDone()
Curl::fastDownload($url, $filename, $connections = 4)
Curl::get($url, $data = [])
Curl::getAttempts()
Curl::getBeforeSendCallback()
Curl::getCompleteCallback()
Curl::getCookie($key)
Curl::getCurl()
Curl::getCurlErrorCode()
Curl::getCurlErrorMessage()
Curl::getDownloadCompleteCallback()
Curl::getDownloadFileName()
Curl::getErrorCallback()
Curl::getErrorCode()
Curl::getErrorMessage()
Curl::getFileHandle()
Curl::getHttpErrorMessage()
Curl::getHttpStatusCode()
Curl::getId()
Curl::getInfo($opt = null)
Curl::getJsonDecoder()
Curl::getOpt($option)
Curl::getOptions()
Curl::getRawResponse()
Curl::getRawResponseHeaders()
Curl::getRemainingRetries()
Curl::getRequestHeaders()
Curl::getResponse()
Curl::getResponseCookie($key)
Curl::getResponseCookies()
Curl::getResponseHeaders()
Curl::getRetries()
Curl::getRetryDecider()
Curl::getSuccessCallback()
Curl::getUrl()
Curl::getUserSetOptions()
Curl::getXmlDecoder()
Curl::head($url, $data = [])
Curl::isChildOfMultiCurl()
Curl::isCurlError()
Curl::isError()
Curl::isHttpError()
Curl::options($url, $data = [])
Curl::patch($url, $data = [])
Curl::post($url, $data = '', $follow_303_with_post = false)
Curl::progress($callback)
Curl::put($url, $data = [])
Curl::removeHeader($key)
Curl::reset()
Curl::search($url, $data = [])
Curl::setAutoReferer($auto_referer = true)
Curl::setAutoReferrer($auto_referrer = true)
Curl::setBasicAuthentication($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::setDefaultHeaderOut()
Curl::setDefaultJsonDecoder()
Curl::setDefaultTimeout()
Curl::setDefaultUserAgent()
Curl::setDefaultXmlDecoder()
Curl::setDelete($url, $query_parameters = [], $data = [])
Curl::setDigestAuthentication($username, $password = '')
Curl::setFile($file)
Curl::setFollowLocation($follow_location = true)
Curl::setForbidReuse($forbid_reuse = true)
Curl::setGet($url, $data = [])
Curl::setHead($url, $data = [])
Curl::setHeader($key, $value)
Curl::setHeaders($headers)
Curl::setInterface($interface)
Curl::setJsonDecoder($mixed)
Curl::setMaxFilesize($bytes)
Curl::setMaximumRedirects($maximum_redirects)
Curl::setOpt($option, $value)
Curl::setOptions($url, $data = [])
Curl::setOpts($options)
Curl::setPatch($url, $data = [])
Curl::setPort($port)
Curl::setPost($url, $data = '', $follow_303_with_post = false)
Curl::setProtocols($protocols)
Curl::setProxy($proxy, $port = null, $username = null, $password = null)