Add/Modify example files.

example/purge.php

@@ -0,0 +1,28 @@
+<?php
+function unlinkRecursive($dir) {
+    if ( ! is_dir( $dir ) ) {
+        return;
+    }
+
+    if ( ! $dh = opendir( $dir ) ) {
+        return;
+    }
+
+    while ( false !== ($obj = readdir( $dh )) ) {
+        if ( $obj == '.' || $obj == '..' ) {
+            continue;
+        }
+        if (is_dir($dir . '/' . $obj)) {
+            unlinkRecursive( $dir . '/' . $obj );
+            rmdir($dir . '/' . $obj);
+        }
+        else {
+            unlink( $dir . '/' . $obj );
+        }
+    }
+    closedir( $dh );
+}
+
+if (array_key_exists('PURGE_PATH', $_SERVER)) {
+    unlinkRecursive($_SERVER['PURGE_PATH']);
+}