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<title>[14053] trunk/wp-includes/post.php: Introduce is_post_type_hierarchical().</title>
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<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/14053">14053</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2010-04-10 11:42:45 +0000 (Sat, 10 Apr 2010)</dd>
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<h3>Log Message</h3>
<pre>Introduce is_post_type_hierarchical(). Props ptahdunbar. See <a href="http://trac.wordpress.org/ticket/12950">#12950</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludespostphp">trunk/wp-includes/post.php</a></li>
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<h3>Diff</h3>
<a id="trunkwpincludespostphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/post.php (14052 => 14053)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/post.php 2010-04-10 11:32:02 UTC (rev 14052)
+++ trunk/wp-includes/post.php 2010-04-10 11:42:45 UTC (rev 14053)
</span><span class="lines">@@ -661,6 +661,28 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * Whether the post type is hierarchical.
+ *
+ * A false return value might also mean that the post type does not exist.
+ *
+ * @since 3.0.0
+ * @see get_post_type_object
+ *
+ * @param string|int|object $post Post type name, post id, or a post object.
+ * @return bool true if post type is hierarchical, else false.
+ */
+function is_post_type_hierarchical( $post = false ) {
+ if ( is_string($post) && $is_post_type = get_post_type_object($post) )
+ return $is_post_type->hierarchical;
+
+ $ptype = get_post( $post );
+ if ( $ptype && $is_post_type = get_post_type_object($ptype->post_type) )
+ return $is_post_type->hierarchical;
+
+ return false;
+}
+
+/**
</ins><span class="cx"> * Retrieve the post type of the current post or of a given post.
</span><span class="cx"> *
</span><span class="cx"> * @since 2.1.0
</span></span></pre>
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