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-rw-r--r--ratatoeskr/sys/plugin_api.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/ratatoeskr/sys/plugin_api.php b/ratatoeskr/sys/plugin_api.php
index 65b43e2..18e129b 100644
--- a/ratatoeskr/sys/plugin_api.php
+++ b/ratatoeskr/sys/plugin_api.php
@@ -35,7 +35,7 @@ $url_handlers = []; /* master URL handler */
* $name - The name of the new URL
* $callback - The Function to be called (see <url_process>).
*/
-function register_url_handler($name, $callback)
+function register_url_handler($name, callable $callback)
{
global $url_handlers;
$url_handlers[$name] = $callback;