Simple curl class

simple_curl_class.php

<?php

/**
 * Simple curl class.
 *
 * @author swvitaliy ([email protected])
 */

class CurlException extends Exception {

    public function __toString () { return 'Exception ' . $this->getMessage(); }
}

class curl {

    public static $global_post = array();
    public static $global_get = array();

    public static function exec ($url, $options = array (), $data = null) {
        if (!empty(self::$global_get))
            $url .= ((strpos($url, '?')===FALSE) ? '?' : '&') .
                    http_build_query(self::$global_get);

        $ch = curl_init($url);
        $options += array (
            CURLOPT_RETURNTRANSFER => 1,
            CURLOPT_USERAGENT => 'Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.106 Safari/535.2',
            CURLOPT_TIMEOUT => 10,
            CURLOPT_REFERER => 'http://www.google.com',
            CURLOPT_FOLLOWLOCATION => 0,
            CURLOPT_HEADER => 0,
            CURLOPT_NOBODY => 0,);

        if (!isset($options[CURLOPT_POSTFIELDS]) && $data) {
            $options[CURLOPT_POST] = 1;
            $options[CURLOPT_POSTFIELDS] = $data;
        }

        if (isset($options[CURLOPT_POSTFIELDS]) && is_array($options[CURLOPT_POSTFIELDS]))
            $options[CURLOPT_POSTFIELDS] =
                    http_build_query($options[CURLOPT_POSTFIELDS]);

        curl_setopt_array($ch, $options);
        $r = curl_exec($ch);
        if ($cn = curl_errno($ch))
            throw new CurlException("curl error #{$cn} with message \"" . curl_error($ch) . "\"");
        return $r;
    }
}