API: Handle pltitles/tltemplates/clcategories/imimages with only invalid titles

[lhc/web/wiklou.git] / includes / api / ApiQueryLinks.php

diff --git a/includes/api/ApiQueryLinks.php b/includes/api/ApiQueryLinks.php
index 4b34091..2f75e76 100644 (file)
--- a/includes/api/ApiQueryLinks.php
+++ b/includes/api/ApiQueryLinks.php
@@ -89,7 +89,7 @@ class ApiQueryLinks extends ApiQueryGeneratorBase {
                $this->addWhereFld( $this->prefix . '_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
                $this->addWhereFld( $this->prefix . '_namespace', $params['namespace'] );
 
-               if ( !is_null( $params[$this->titlesParam] ) ) {
+               if ( $params[$this->titlesParam] ) {
                        $lb = new LinkBatch;
                        foreach ( $params[$this->titlesParam] as $t ) {
                                $title = Title::newFromText( $t );
@@ -102,6 +102,9 @@ class ApiQueryLinks extends ApiQueryGeneratorBase {
                        $cond = $lb->constructSet( $this->prefix, $this->getDB() );
                        if ( $cond ) {
                                $this->addWhere( $cond );
+                       } else {
+                               // No titles so no results
+                               return;
                        }
                }