Files
unirest-php/main/mashape/http/UrlUtils.php
2011-05-05 19:57:08 -07:00

101 lines
2.8 KiB
PHP

<?php
define("CLIENT_LIBRARY_LANGUAGE", "PHP");
define("CLIENT_LIBRARY_VERSION", "V03");
define("TOKEN", "_token");
define("LANGUAGE", "_language");
define("VERSION", "_version");
define("PLACEHOLDER_REGEX", "/\{([\w\.]+)\}/");
class UrlUtils {
public static function prepareRequest(&$url, &$parameters, $addRegularQueryStringParameters = false) {
if ($parameters == null) {
$parameters = array();
}
// Remove null parameters
$keys = array_keys($parameters);
for ($i = 0;$i<count($keys);$i++) {
$key = $keys[$i];
if ($parameters[$key] === null) {
unset($parameters[$key]);
} else {
$parameters[$key] = (string)$parameters[$key];
}
}
if ($addRegularQueryStringParameters) {
// Get regular query string parameters
self::addRegularQueryStringParameters($url, $parameters);
}
$finalUrl = $url;
$matches = null;
$match = preg_match_all(PLACEHOLDER_REGEX, $url, $matches);
if (!empty($matches) && count($matches) > 1) {
$matches = $matches[1];
$count = count($matches);
foreach ($matches as $key) {
if (array_key_exists($key, $parameters)) {
$finalUrl = preg_replace("/(\?.+)\{" . $key . "\}/", '${1}' . urlencode($parameters[$key]), $finalUrl);
$finalUrl = preg_replace("/\{" . $key . "\}/", rawurlencode($parameters[$key]), $finalUrl);
} else {
$finalUrl = preg_replace("/&?[\w]*=?\{" . $key . "\}/", "", $finalUrl);
}
}
}
$finalUrl = preg_replace("/\?&/", "?", $finalUrl);
$finalUrl = preg_replace("/\?$/", "", $finalUrl);
$url = $finalUrl;
}
private static function addRegularQueryStringParameters($url, &$parameters) {
$urlParts = explode("?", $url);
if (count($urlParts) > 1) {
$queryString = $urlParts[1];
$queryStringParameters = explode("&", $queryString);
foreach ($queryStringParameters as $queryStringParameter) {
$queryStringParameterParts = explode("=", $queryStringParameter);
if (count($queryStringParameterParts) > 1) {
if (!self::isPlaceHolder($queryStringParameterParts[1])) {
$parameters[$queryStringParameterParts[0]] = $queryStringParameterParts[1];
}
}
}
}
}
private static function isPlaceHolder($value) {
return preg_match(PLACEHOLDER_REGEX, $value);
}
public static function addClientParameters(&$url, &$parameters, $token) {
if ($parameters == null) {
$parameters = array();
}
if (strpos($url, "?") === false) {
$url .= "?";
} else {
$url .= "&";
}
$url .= self::addClientParameter(TOKEN);
$parameters[TOKEN] = $token;
$url .= "&" . self::addClientParameter(LANGUAGE);
$parameters[LANGUAGE] = CLIENT_LIBRARY_LANGUAGE;
$url .= "&" . self::addClientParameter(VERSION);
$parameters[VERSION] = CLIENT_LIBRARY_VERSION;
}
private static function addClientParameter($parameter) {
return $parameter . "={" . $parameter . "}";
}
}
?>