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path: root/app/Core/HttpClient.php
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<?php

namespace Core;

/**
 * HTTP client
 *
 * @package  core
 * @author   Frederic Guillot
 */
class HttpClient
{
    /**
     * HTTP connection timeout in seconds
     *
     * @var integer
     */
    const HTTP_TIMEOUT = 2;

    /**
     * Number of maximum redirections for the HTTP client
     *
     * @var integer
     */
    const HTTP_MAX_REDIRECTS = 2;

    /**
     * HTTP client user agent
     *
     * @var string
     */
    const HTTP_USER_AGENT = 'Kanboard Webhook';

    /**
     * Send a POST HTTP request
     *
     * @static
     * @access public
     * @param  string  $url
     * @param  array   $data
     * @return string
     */
    public static function post($url, array $data)
    {
        if (empty($url)) {
            return '';
        }

        $headers = array(
            'Connection: close',
            'User-Agent: '.self::HTTP_USER_AGENT,
        );

        $context = stream_context_create(array(
            'http' => array(
                'method' => 'POST',
                'protocol_version' => 1.1,
                'timeout' => self::HTTP_TIMEOUT,
                'max_redirects' => self::HTTP_MAX_REDIRECTS,
                'header' => implode("\r\n", $headers),
                'content' => json_encode($data)
            )
        ));

        return @file_get_contents(trim($url), false, $context);
    }
}