Added it_url::params (handles nested arrays) and use it in U() and search_url

1 files changed, 34 insertions, 0 deletions

diff --git a/url.class b/url.class
index 105a28b..f414449 100644
--- a/url.class
+++ b/url.class
@@ -527,6 +527,40 @@ function encode($str)
     return strtr(urlencode($str), array("%2C"=>",", "%28"=>"(", "%29"=>")"));
 }
 
+/**
+ * Create GET request from params, optionally only using given fields
+ * @param $params Array to take values from, usually $_GET
+ * @param $keys Keys to use; default: all
+ */
+function params($params, $keys = null)
+{
+	return join("&", it_url::_params($params, $keys));
+}
+
+function _params($params, $keys = null)
+{
+	$result = array();
+
+	if (!isset($keys))
+		$keys = array_keys($params);
+
+	foreach ($keys as $key)
+	{
+		if (is_array($params[$key]))
+		{
+			foreach (it_url::_params($params[$key]) as $value)
+			{
+				if (strlen($value))
+					$result[] = it::replace('^([^=\[]*)' => $key . '[$1]', $value);
+			}
+		}
+		else if (strlen($params[$key]))
+			$result[] = urlencode($key) . "=" . it_url::encode($params[$key]);
+	}
+
+	return $result;
+}
+
 }
 
 ?>