WordPress is_child() for Advanced Navigation

<p>WordPress lacks one key feature for advanced developers using it as a CMS platform. That feature is the <code>is_child()</code> (or would be) function. If your familiar with WordPress Theme Development you have probably ran into the following Conditional Tags from time to time:</p> <ul> <li> <code>is_home()</code> </li> <li> <code>is_front_page()</code> </li> <li> <code>is_single()</code> </li>

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