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+++ b/library/log4php/filters/LoggerFilterDenyAll.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @package log4php
+ */
+
+/**
+ * This filter drops all logging events.
+ *
+ * You can add this filter to the end of a filter chain to
+ * switch from the default "accept all unless instructed otherwise"
+ * filtering behaviour to a "deny all unless instructed otherwise"
+ * behaviour.
+ *
+ * <p>
+ * An example for this filter:
+ *
+ * {@example ../../examples/php/filter_denyall.php 19}
+ *
+ * <p>
+ * The corresponding XML file:
+ *
+ * {@example ../../examples/resources/filter_denyall.xml 18}
+ *
+ * @version $Revision: 883108 $
+ * @package log4php
+ * @subpackage filters
+ * @since 0.3
+ */
+class LoggerFilterDenyAll extends LoggerFilter {
+
+    /**
+     * Always returns the integer constant {@link LoggerFilter::DENY}
+     * regardless of the {@link LoggerLoggingEvent} parameter.
+     *
+     * @param LoggerLoggingEvent $event The {@link LoggerLoggingEvent} to filter.
+     * @return LoggerFilter::DENY Always returns {@link LoggerFilter::DENY}
+     */
+    public function decide(LoggerLoggingEvent $event) {
+        return LoggerFilter::DENY;
+    }
+}