From 5e6a3a418cf68a2972bf5a4469f0f35f694977ee Mon Sep 17 00:00:00 2001
From: Matthew Flaschen <mflaschen@wikimedia.org>
Date: Thu, 6 Jul 2017 19:14:38 -0400
Subject: [PATCH] Use shell_exec instead of backtick

They are exactly equivalent, but shell_exec is more readable.
We just imported a sniff to forbid backtick into mediawiki-codesniffer.

It's not deployed here yet, but this will facilitate it.

Change-Id: I4b58ed78e1792ff83e1bf99425f8f19123cfe911
---
 maintenance/mwdocgen.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maintenance/mwdocgen.php b/maintenance/mwdocgen.php
index d0056299b2..43041a43df 100644
--- a/maintenance/mwdocgen.php
+++ b/maintenance/mwdocgen.php
@@ -105,7 +105,7 @@ class MWDocGen extends Maintenance {
 			$this->excludePatterns[] = 'extensions';
 		}
 
-		$this->doDot = `which dot`;
+		$this->doDot = shell_exec( 'which dot' );
 		$this->doMan = $this->hasOption( 'generate-man' );
 	}
 
-- 
2.20.1