Remove useless PHP version comparison from wfDebugBacktrace()

MediaWiki 1.27 only supports PHP 5.5.9 and above, therefore
it is no more necessary to check that the running PHP version
is equal to or greater than 5.4.0.

Change-Id: I819c625e173cbf2a54ef614d742fe01f70be8efc

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index eb174f2..5138018 100644 (file)
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -1557,7 +1557,7 @@ function wfDebugBacktrace( $limit = 0 ) {
                return [];
        }
 
-       if ( $limit && version_compare( PHP_VERSION, '5.4.0', '>=' ) ) {
+       if ( $limit ) {
                return array_slice( debug_backtrace( DEBUG_BACKTRACE_PROVIDE_OBJECT, $limit + 1 ), 1 );
        } else {
                return array_slice( debug_backtrace(), 1 );