* Print caller if possible in deprecated warnings

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 7497b22..94a1508 100644 (file)
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -2506,7 +2506,15 @@ function wfMaxlagError( $host, $lag, $maxLag ) {
  * @return null
  */
 function wfDeprecated( $function ) {
-       trigger_error( "Use of $function is deprecated", E_USER_NOTICE );
+       $callers = debug_backtrace();
+       $file = @$callers[2]['file'];
+       $line = @$callers[2]['line'];
+       $func = @$callers[2]['function'];
+       if ( $func && $file ) {
+               trigger_error( "Use of $function is deprecated. Called from $func at $file:$line", E_USER_NOTICE );
+       } else {
+               trigger_error( "Use of $function is deprecated.", E_USER_NOTICE );
+       }
 }
 
 /**