From d3eab4d5a133fa52df5dba89add50145c362f1cf Mon Sep 17 00:00:00 2001
From: JDGrimes <jdg@codesymphony.co>
Date: Wed, 23 Aug 2017 08:47:47 -0400
Subject: [PATCH] Installables app: use call_user_func()

Calling a static method by name from a variable is not supported prior
to PHP 7.

See #404
---
 src/classes/installables/app.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/classes/installables/app.php b/src/classes/installables/app.php
index 7f213b20..789c4563 100644
--- a/src/classes/installables/app.php
+++ b/src/classes/installables/app.php
@@ -207,7 +207,7 @@ protected function get_installable( $type, $slug ) {
 
 		// May be a loader function or the class name itself.
 		if ( is_callable( $loader ) ) {
-			$installable = $loader( $type, $slug );
+			$installable = call_user_func( $loader, $type, $slug );
 		} else {
 			$installable = new $loader();
 		}