add example fixture

test/fixtures/php-fixture.inc

@@ -0,0 +1,10 @@
+<?php
+
+$builder->category('test')->defer();
+$builder->post('My post')
+        ->date('2010-02-20')
+        ->content('My content')
+        ->categories('test,test2')
+        ->metadata('field', 'value')
+        ->tags('tag1,tag2')
+        ->defer();