Replace uses of join() by implode()

[lhc/web/wiklou.git] / includes / OutputPage.php

diff --git a/includes/OutputPage.php b/includes/OutputPage.php
index dfab03a..11c23f0 100644 (file)
--- a/includes/OutputPage.php
+++ b/includes/OutputPage.php
@@ -2069,7 +2069,7 @@ class OutputPage extends ContextSource {
                foreach ( SessionManager::singleton()->getVaryHeaders() as $header => $options ) {
                        $this->addVaryHeader( $header, $options );
                }
-               return 'Vary: ' . join( ', ', array_keys( $this->mVaryHeader ) );
+               return 'Vary: ' . implode( ', ', array_keys( $this->mVaryHeader ) );
        }
 
        /**