Merge pull request #2 from electricfunction/master

Don’t throw warning when logging an array in data_var().

app/libraries/app_hooks.php

@@ -381,6 +381,11 @@ public function data ($type, $id) {
 	public function data_var ($name, $value) {
 		$this->data[$name] = $value;
 
+		if (is_array($value)) {
+			// prevent errors in log_message() below
+			$value = serialize($value);
+		}
+
 		@log_message('debug', 'Hook: "' . $name . '" => "' . $value . '" data registered to active hook.');
 
 		return;