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<title>[31581] trunk/src/wp-includes/taxonomy.php: Introduce 'get_object_terms' filter in `wp_get_object_terms()`.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/31581">31581</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/31581","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>boonebgorges</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-02-27 20:30:13 +0000 (Fri, 27 Feb 2015)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Introduce 'get_object_terms' filter in `wp_get_object_terms()`.
The existing 'wp_get_object_terms' filter accepts a parameter `$taxonomies`,
which is a list of taxonomy names formatted for direct use in a MySQL IN clause.
This formatting makes it difficult to make use of the taxonomy list in filter
callbacks. However, changing the parameters passed to the existing filter
raises backward compatibility concerns, so we introduce a new filter that
receives a structured `$taxonomy_array` parameter.
We also take this opportunity to correct and clean up some of the documentation
on the 'wp_get_object_terms' filter.
Props postpostmodern, doublesharp, wonderboymusic, nacin.
Fixes <a href="https://core.trac.wordpress.org/ticket/18828">#18828</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludestaxonomyphp">trunk/src/wp-includes/taxonomy.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludestaxonomyphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/taxonomy.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/taxonomy.php 2015-02-27 20:20:31 UTC (rev 31580)
+++ trunk/src/wp-includes/taxonomy.php 2015-02-27 20:30:13 UTC (rev 31581)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2693,6 +2693,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> if ( '' !== $order && ! in_array( $order, array( 'ASC', 'DESC' ) ) )
</span><span class="cx" style="display: block; padding: 0 10px"> $order = 'ASC';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $taxonomy_array = $taxonomies;
</ins><span class="cx" style="display: block; padding: 0 10px"> $taxonomies = "'" . implode("', '", $taxonomies) . "'";
</span><span class="cx" style="display: block; padding: 0 10px"> $object_ids = implode(', ', $object_ids);
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2762,16 +2763,33 @@
</span><span class="cx" style="display: block; padding: 0 10px"> } elseif ( ! $objects ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $terms = array_values( array_unique( $terms ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filter the terms for a given object or objects.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 4.2.0
+ *
+ * @param array $terms An array of terms for the given object or objects.
+ * @param int|array $object_ids Object ID or array of IDs.
+ * @param array $taxonomy_array Array of taxonomies from which `$terms` were retrieved.
+ * @param array $args An array of arguments for retrieving terms for the given object(s).
+ * See {@see wp_get_object_terms()} for details.
+ */
+ $terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomy_array, $args );
+
+ /**
+ * Filter the terms for a given object or objects.
+ *
+ * The `$taxonomies` parameter passed to this filter is formatted as a SQL fragment. The
+ * {@see 'get_object_terms'} filter is recommended as an alternative.
+ *
</ins><span class="cx" style="display: block; padding: 0 10px"> * @since 2.8.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param array $terms An array of terms for the given object or objects.
- * @param array|int $object_ids Object ID or array of IDs.
- * @param array|string $taxonomies A taxonomy or array of taxonomies.
- * @param array $args An array of arguments for retrieving terms for
- * the given object(s).
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param array $terms An array of terms for the given object or objects.
+ * @param int|array $object_ids Object ID or array of IDs.
+ * @param string $taxonomies SQL-formatted (comma-separated and quoted) list of taxonomy names.
+ * @param array $args An array of arguments for retrieving terms for the given object(s).
+ * See {@see wp_get_object_terms()} for details.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> return apply_filters( 'wp_get_object_terms', $terms, $object_ids, $taxonomies, $args );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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