From 696e19da607c2381c516f0c750af2379023258af Mon Sep 17 00:00:00 2001
From: ozh <ozh@ozh.org>
Date: Fri, 15 May 2015 15:15:08 +0200
Subject: [PATCH] Better version string sanitizing

---
 includes/functions-formatting.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/includes/functions-formatting.php b/includes/functions-formatting.php
index 066f705..5e1206a 100644
--- a/includes/functions-formatting.php
+++ b/includes/functions-formatting.php
@@ -223,11 +223,15 @@ function yourls_trim_long_string( $string, $length = 60, $append = '[...]' ) {
 }
 
 /**
- * Sanitize a version number (1.4.1-whatever -> 1.4.1)
+ * Sanitize a version number (1.4.1-whatever-RC1 -> 1.4.1)
  *
+ * @since 1.4.1
+ * @param string $ver Version number
+ * @return string Sanitized version number
  */
 function yourls_sanitize_version( $ver ) {
-	return preg_replace( '/[^0-9.]/', '', $ver );
+	preg_match( '/(^[0-9.]+).*$/', $ver, $matches );
+    return isset( $matches[1] ) ? trim( $matches[1], '.' ) : '';
 }
 
 /**
-- 
2.45.0