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<title>[41093] branches/4.8: REST API: Add a filter to allow modifying the response *after* embedded data is added.</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/41093">41093</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/41093","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>westonruter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-07-19 20:11:28 +0000 (Wed, 19 Jul 2017)</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'>REST API: Add a filter to allow modifying the response *after* embedded data is added.
Merges <a href="https://core.trac.wordpress.org/changeset/40961">[40961]</a> onto 4.8 branch.
Props jnylen0.
Fixes <a href="https://core.trac.wordpress.org/ticket/38964">#38964</a> for 4.8.1.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches48srcwpincludesrestapiclasswprestserverphp">branches/4.8/src/wp-includes/rest-api/class-wp-rest-server.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches48">branches/4.8/</a></li>
</ul>
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<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.8
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.8 2017-07-19 13:40:31 UTC (rev 41092)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.8 2017-07-19 20:11:28 UTC (rev 41093)
</ins><a id="branches48"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.8</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,40872-40873,40879,40881,40883,40885,40892-40893,40896-40897,40901,40926-40927,40939,40941,40990-40991,40995,41000,41009,41020,41022,41028,41035,41037,41043,41045-41047,41050,41070,41072,41086,41088
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,40872-40873,40879,40881,40883,40885,40892-40893,40896-40897,40901,40926-40927,40939,40941,40961,40990-40991,40995,41000,41009,41020,41022,41028,41035,41037,41043,41045-41047,41050,41070,41072,41086,41088
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches48srcwpincludesrestapiclasswprestserverphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.8/src/wp-includes/rest-api/class-wp-rest-server.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.8/src/wp-includes/rest-api/class-wp-rest-server.php 2017-07-19 13:40:31 UTC (rev 41092)
+++ branches/4.8/src/wp-includes/rest-api/class-wp-rest-server.php 2017-07-19 20:11:28 UTC (rev 41093)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -387,6 +387,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> // Embed links inside the request.
</span><span class="cx" style="display: block; padding: 0 10px"> $result = $this->response_to_data( $result, isset( $_GET['_embed'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * Filters the API response.
+ *
+ * Allows modification of the response data after inserting
+ * embedded data (if any) and before echoing the response data.
+ *
+ * @since 4.8.1
+ *
+ * @param array $result Response data to send to the client.
+ * @param WP_REST_Server $this Server instance.
+ * @param WP_REST_Request $request Request used to generate the response.
+ */
+ $result = apply_filters( 'rest_pre_echo_response', $result, $this, $request );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $result = wp_json_encode( $result );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $json_error_message = $this->get_json_last_error();
</span></span></pre>
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