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<title>[40114] branches/4.7: REST API: Fix multiple issues with setting dates of posts and comments.</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/40114">40114</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/40114","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-02-24 21:58:07 +0000 (Fri, 24 Feb 2017)</dd>
</dl>

<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: Fix multiple issues with setting dates of posts and comments.

This commit modifies the `rest_get_date_with_gmt` function to correctly parse local and UTC timestamps with or without timezone information.

It also ensures that the REST API can edit the dates of draft posts by setting the `edit_date` flag to `wp_update_post`.

Overall this commit ensures that post and comment dates can be set and updated as expected.

Props jnylen0.
Merges <a href="https://core.trac.wordpress.org/changeset/40101">[40101]</a> to the 4.7 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/39256">#39256</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches47srcwpincludesrestapiendpointsclasswprestpostscontrollerphp">branches/4.7/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#branches47srcwpincludesrestapiphp">branches/4.7/src/wp-includes/rest-api.php</a></li>
<li><a href="#branches47testsphpunittestsrestapirestcommentscontrollerphp">branches/4.7/tests/phpunit/tests/rest-api/rest-comments-controller.php</a></li>
<li><a href="#branches47testsphpunittestsrestapirestpostscontrollerphp">branches/4.7/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
<li><a href="#branches47testsphpunittestsrestapiphp">branches/4.7/tests/phpunit/tests/rest-api.php</a></li>
</ul>

<h3>Property Changed</h3>
<ul>
<li><a href="#branches47">branches/4.7/</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.7
</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/4.7 2017-02-24 20:56:00 UTC (rev 40113)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.7  2017-02-24 21:58:07 UTC (rev 40114)
</ins><a id="branches47"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.7</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:18512,39365,39367,39369,39371,39373,39375-39376,39378,39380,39382,39384,39386,39388,39390,39392-39393,39396-39397,39400,39402,39404,39406,39409,39411,39413,39415,39417-39420,39424,39426,39428,39430,39432-39434,39436,39438,39440,39442-39444,39447,39449-39451,39453,39455-39457,39460,39462,39464,39466,39468,39470-39471,39475,39477-39478,39482-39483,39487-39488,39490,39495-39496,39499,39502,39504,39506,39508,39510,39512,39514,39517,39520,39522,39545-39547,39557-39563,39565,39578,39580-39581,39584,39586,39594-39595,39597-39599,39601,39603,39612-39613,39616-39617,39619-39623,39626,39635,39640,39645,39649,39657,39659,39663,39677-39678,39680-39681,39684-39686,39688-39689,39692,39720,39742,39744,39759-39760,39772,39795,39807-39808,39831,39843,39848,39850,39912,39914,39923-39924,39949,39951-39952,39954,39956,39968,39992,39994,40030,40036,40039-40041,40045,40049,40055,40063-40064,40068,40070
 ,40080,40082,40086,40089,40105-40106,40110
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,39365,39367,39369,39371,39373,39375-39376,39378,39380,39382,39384,39386,39388,39390,39392-39393,39396-39397,39400,39402,39404,39406,39409,39411,39413,39415,39417-39420,39424,39426,39428,39430,39432-39434,39436,39438,39440,39442-39444,39447,39449-39451,39453,39455-39457,39460,39462,39464,39466,39468,39470-39471,39475,39477-39478,39482-39483,39487-39488,39490,39495-39496,39499,39502,39504,39506,39508,39510,39512,39514,39517,39520,39522,39545-39547,39557-39563,39565,39578,39580-39581,39584,39586,39594-39595,39597-39599,39601,39603,39612-39613,39616-39617,39619-39623,39626,39635,39640,39645,39649,39657,39659,39663,39677-39678,39680-39681,39684-39686,39688-39689,39692,39720,39742,39744,39759-39760,39772,39795,39807-39808,39831,39843,39848,39850,39912,39914,39923-39924,39949,39951-39952,39954,39956,39968,39992,39994,40030,40036,40039-40041,40045,40049,40055,40063-40064,40068,40070,
 40080,40082,40086,40089,40101,40105-40106,40110
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches47srcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.7/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.7/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php        2017-02-24 20:56:00 UTC (rev 40113)
+++ branches/4.7/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php  2017-02-24 21:58:07 UTC (rev 40114)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -999,12 +999,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! empty( $date_data ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                $prepared_post->edit_date = true;
</ins><span class="cx" style="display: block; padding: 0 10px">                         }
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( ! empty( $schema['properties']['date_gmt'] ) && ! empty( $request['date_gmt'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! empty( $date_data ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                $prepared_post->edit_date = true;
</ins><span class="cx" style="display: block; padding: 0 10px">                         }
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches47srcwpincludesrestapiphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.7/src/wp-includes/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.7/src/wp-includes/rest-api.php 2017-02-24 20:56:00 UTC (rev 40113)
+++ branches/4.7/src/wp-includes/rest-api.php   2017-02-24 21:58:07 UTC (rev 40114)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -780,26 +780,40 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Retrieves a local date with its GMT equivalent, in MySQL datetime format.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Parses a date into both its local and UTC equivalent, in MySQL datetime format.
</ins><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @since 4.4.0
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @see rest_parse_date()
</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 string $date      RFC3339 timestamp.
- * @param bool   $force_utc Whether a UTC timestamp should be forced. Default false.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string $date   RFC3339 timestamp.
+ * @param bool   $is_utc Whether the provided date should be interpreted as UTC. Default false.
</ins><span class="cx" style="display: block; padding: 0 10px">  * @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
</span><span class="cx" style="display: block; padding: 0 10px">  *                    null on failure.
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-function rest_get_date_with_gmt( $date, $force_utc = false ) {
-       $date = rest_parse_date( $date, $force_utc );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+function rest_get_date_with_gmt( $date, $is_utc = false ) {
+       // Whether or not the original date actually has a timezone string
+       // changes the way we need to do timezone conversion.  Store this info
+       // before parsing the date, and use it later.
+       $has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        $date = rest_parse_date( $date );
+
</ins><span class="cx" style="display: block; padding: 0 10px">         if ( empty( $date ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                return null;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $utc = date( 'Y-m-d H:i:s', $date );
-       $local = get_date_from_gmt( $utc );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // At this point $date could either be a local date (if we were passed a
+       // *local* date without a timezone offset) or a UTC date (otherwise).
+       // Timezone conversion needs to be handled differently between these two
+       // cases.
+       if ( ! $is_utc && ! $has_timezone ) {
+               $local = date( 'Y-m-d H:i:s', $date );
+               $utc = get_gmt_from_date( $local );
+       } else {
+               $utc = date( 'Y-m-d H:i:s', $date );
+               $local = get_date_from_gmt( $utc );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        return array( $local, $utc );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="branches47testsphpunittestsrestapirestcommentscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.7/tests/phpunit/tests/rest-api/rest-comments-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.7/tests/phpunit/tests/rest-api/rest-comments-controller.php    2017-02-24 20:56:00 UTC (rev 40113)
+++ branches/4.7/tests/phpunit/tests/rest-api/rest-comments-controller.php      2017-02-24 21:58:07 UTC (rev 40114)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -958,6 +958,84 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( self::$post_id, $data['post'] );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        public function comment_dates_provider() {
+               return array(
+                       'set date without timezone' => array(
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date'            => '2016-12-12T14:00:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date_gmt without timezone' => array(
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date with timezone' => array(
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date'            => '2016-12-12T18:00:00-01:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date_gmt with timezone' => array(
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date_gmt'        => '2016-12-12T18:00:00-01:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+               );
+       }
+
+       /**
+        * @dataProvider comment_dates_provider
+        */
+       public function test_create_comment_date( $params, $results ) {
+               wp_set_current_user( self::$admin_id );
+               update_option( 'timezone_string', $params['timezone_string'] );
+
+               $request = new WP_REST_Request( 'POST', '/wp/v2/comments' );
+               $request->set_param( 'content', 'not empty' );
+               $request->set_param( 'post', self::$post_id );
+               if ( isset( $params['date'] ) ) {
+                       $request->set_param( 'date', $params['date'] );
+               }
+               if ( isset( $params['date_gmt'] ) ) {
+                       $request->set_param( 'date_gmt', $params['date_gmt'] );
+               }
+               $response = $this->server->dispatch( $request );
+
+               update_option( 'timezone_string', '' );
+
+               $this->assertEquals( 201, $response->get_status() );
+               $data = $response->get_data();
+               $comment = get_comment( $data['id'] );
+
+               $this->assertEquals( $results['date'], $data['date'] );
+               $comment_date = str_replace( 'T', ' ', $results['date'] );
+               $this->assertEquals( $comment_date, $comment->comment_date );
+
+               $this->assertEquals( $results['date_gmt'], $data['date_gmt'] );
+               $comment_date_gmt = str_replace( 'T', ' ', $results['date_gmt'] );
+               $this->assertEquals( $comment_date_gmt, $comment->comment_date_gmt );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function test_create_item_using_accepted_content_raw_value() {
</span><span class="cx" style="display: block; padding: 0 10px">                wp_set_current_user( self::$admin_id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1942,6 +2020,39 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( '2014-11-07T10:14:25', $comment['date'] );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        /**
+        * @dataProvider comment_dates_provider
+        */
+       public function test_update_comment_date( $params, $results ) {
+               wp_set_current_user( self::$editor_id );
+               update_option( 'timezone_string', $params['timezone_string'] );
+
+               $comment_id = $this->factory->comment->create();
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/comments/%d', $comment_id ) );
+               if ( isset( $params['date'] ) ) {
+                       $request->set_param( 'date', $params['date'] );
+               }
+               if ( isset( $params['date_gmt'] ) ) {
+                       $request->set_param( 'date_gmt', $params['date_gmt'] );
+               }
+               $response = $this->server->dispatch( $request );
+
+               update_option( 'timezone_string', '' );
+
+               $this->assertEquals( 200, $response->get_status() );
+               $data = $response->get_data();
+               $comment = get_comment( $data['id'] );
+
+               $this->assertEquals( $results['date'], $data['date'] );
+               $comment_date = str_replace( 'T', ' ', $results['date'] );
+               $this->assertEquals( $comment_date, $comment->comment_date );
+
+               $this->assertEquals( $results['date_gmt'], $data['date_gmt'] );
+               $comment_date_gmt = str_replace( 'T', ' ', $results['date_gmt'] );
+               $this->assertEquals( $comment_date_gmt, $comment->comment_date_gmt );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function test_update_item_no_content() {
</span><span class="cx" style="display: block; padding: 0 10px">                $post_id = $this->factory->post->create();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches47testsphpunittestsrestapirestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.7/tests/phpunit/tests/rest-api/rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.7/tests/phpunit/tests/rest-api/rest-posts-controller.php       2017-02-24 20:56:00 UTC (rev 40113)
+++ branches/4.7/tests/phpunit/tests/rest-api/rest-posts-controller.php 2017-02-24 21:58:07 UTC (rev 40114)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1096,7 +1096,111 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->check_create_post_response( $response );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        public function post_dates_provider() {
+               $all_statuses = array(
+                       'draft',
+                       'publish',
+                       'future',
+                       'pending',
+                       'private',
+               );
+
+               $cases_short = array(
+                       'set date without timezone' => array(
+                               'statuses' => $all_statuses,
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date'            => '2016-12-12T14:00:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date_gmt without timezone' => array(
+                               'statuses' => $all_statuses,
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date with timezone' => array(
+                               'statuses' => array( 'draft', 'publish' ),
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date'            => '2016-12-12T18:00:00-01:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+                       'set date_gmt with timezone' => array(
+                               'statuses' => array( 'draft', 'publish' ),
+                               'params'   => array(
+                                       'timezone_string' => 'America/New_York',
+                                       'date_gmt'        => '2016-12-12T18:00:00-01:00',
+                               ),
+                               'results' => array(
+                                       'date'            => '2016-12-12T14:00:00',
+                                       'date_gmt'        => '2016-12-12T19:00:00',
+                               ),
+                       ),
+               );
+
+               $cases = array();
+               foreach ( $cases_short as $description => $case ) {
+                       foreach ( $case['statuses'] as $status ) {
+                               $cases[ $description . ', status=' . $status ] = array(
+                                       $status,
+                                       $case['params'],
+                                       $case['results'],
+                               );
+                       }
+               }
+
+               return $cases;
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @dataProvider post_dates_provider
+        */
+       public function test_create_post_date( $status, $params, $results ) {
+               wp_set_current_user( self::$editor_id );
+               update_option( 'timezone_string', $params['timezone_string'] );
+
+               $request = new WP_REST_Request( 'POST', '/wp/v2/posts' );
+               $request->set_param( 'status', $status );
+               $request->set_param( 'title', 'not empty' );
+               if ( isset( $params['date'] ) ) {
+                       $request->set_param( 'date', $params['date'] );
+               }
+               if ( isset( $params['date_gmt'] ) ) {
+                       $request->set_param( 'date_gmt', $params['date_gmt'] );
+               }
+               $response = $this->server->dispatch( $request );
+
+               update_option( 'timezone_string', '' );
+
+               $this->assertEquals( 201, $response->get_status() );
+               $data = $response->get_data();
+               $post = get_post( $data['id'] );
+
+               $this->assertEquals( $results['date'], $data['date'] );
+               $post_date = str_replace( 'T', ' ', $results['date'] );
+               $this->assertEquals( $post_date, $post->post_date );
+
+               $this->assertEquals( $results['date_gmt'], $data['date_gmt'] );
+               // TODO expect null here for drafts (see https://core.trac.wordpress.org/ticket/5698#comment:14)
+               $post_date_gmt = str_replace( 'T', ' ', $results['date_gmt'] );
+               $this->assertEquals( $post_date_gmt, $post->post_date_gmt );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * @ticket 38698
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_create_item_with_template() {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1929,6 +2033,40 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( date( 'Y-m-d', strtotime( $expected_modified ) ), date( 'Y-m-d', strtotime( $new_post->post_modified ) ) );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        /**
+        * @dataProvider post_dates_provider
+        */
+       public function test_update_post_date( $status, $params, $results ) {
+               wp_set_current_user( self::$editor_id );
+               update_option( 'timezone_string', $params['timezone_string'] );
+
+               $post_id = $this->factory->post->create( array( 'post_status' => $status ) );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', $post_id ) );
+               if ( isset( $params['date'] ) ) {
+                       $request->set_param( 'date', $params['date'] );
+               }
+               if ( isset( $params['date_gmt'] ) ) {
+                       $request->set_param( 'date_gmt', $params['date_gmt'] );
+               }
+               $response = $this->server->dispatch( $request );
+
+               update_option( 'timezone_string', '' );
+
+               $this->assertEquals( 200, $response->get_status() );
+               $data = $response->get_data();
+               $post = get_post( $data['id'] );
+
+               $this->assertEquals( $results['date'], $data['date'] );
+               $post_date = str_replace( 'T', ' ', $results['date'] );
+               $this->assertEquals( $post_date, $post->post_date );
+
+               $this->assertEquals( $results['date_gmt'], $data['date_gmt'] );
+               // TODO expect null here for drafts (see https://core.trac.wordpress.org/ticket/5698#comment:14)
+               $post_date_gmt = str_replace( 'T', ' ', $results['date_gmt'] );
+               $this->assertEquals( $post_date_gmt, $post->post_date_gmt );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function test_update_post_with_invalid_date() {
</span><span class="cx" style="display: block; padding: 0 10px">                wp_set_current_user( self::$editor_id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="branches47testsphpunittestsrestapiphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.7/tests/phpunit/tests/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.7/tests/phpunit/tests/rest-api.php     2017-02-24 20:56:00 UTC (rev 40113)
+++ branches/4.7/tests/phpunit/tests/rest-api.php       2017-02-24 21:58:07 UTC (rev 40114)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -383,4 +383,67 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEquals( $valid, wp_check_jsonp_callback( $callback ) );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        public function rest_date_provider() {
+               return array(
+                       // Valid dates with timezones
+                       array( '2017-01-16T11:30:00-05:00', gmmktime( 11, 30,  0,  1, 16, 2017 ) + 5 * HOUR_IN_SECONDS ),
+                       array( '2017-01-16T11:30:00-05:30', gmmktime( 11, 30,  0,  1, 16, 2017 ) + 5.5 * HOUR_IN_SECONDS ),
+                       array( '2017-01-16T11:30:00-05'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) + 5 * HOUR_IN_SECONDS ),
+                       array( '2017-01-16T11:30:00+05'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) - 5 * HOUR_IN_SECONDS ),
+                       array( '2017-01-16T11:30:00-00'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00+00'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00Z'     , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+
+                       // Valid dates without timezones
+                       array( '2017-01-16T11:30:00'      , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+
+                       // Invalid dates (TODO: support parsing partial dates as ranges, see #38641)
+                       array( '2017-01-16T11:30:00-5', false ),
+                       array( '2017-01-16T11:30', false ),
+                       array( '2017-01-16T11', false ),
+                       array( '2017-01-16T', false ),
+                       array( '2017-01-16', false ),
+                       array( '2017-01', false ),
+                       array( '2017', false ),
+               );
+       }
+
+       /**
+        * @dataProvider rest_date_provider
+        */
+       public function test_rest_parse_date( $string, $value ) {
+               $this->assertEquals( $value, rest_parse_date( $string ) );
+       }
+
+       public function rest_date_force_utc_provider() {
+               return array(
+                       // Valid dates with timezones
+                       array( '2017-01-16T11:30:00-05:00', gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00-05:30', gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00-05'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00+05'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00-00'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00+00'   , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+                       array( '2017-01-16T11:30:00Z'     , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+
+                       // Valid dates without timezones
+                       array( '2017-01-16T11:30:00'      , gmmktime( 11, 30,  0,  1, 16, 2017 ) ),
+
+                       // Invalid dates (TODO: support parsing partial dates as ranges, see #38641)
+                       array( '2017-01-16T11:30:00-5', false ),
+                       array( '2017-01-16T11:30', false ),
+                       array( '2017-01-16T11', false ),
+                       array( '2017-01-16T', false ),
+                       array( '2017-01-16', false ),
+                       array( '2017-01', false ),
+                       array( '2017', false ),
+               );
+       }
+
+       /**
+        * @dataProvider rest_date_force_utc_provider
+        */
+       public function test_rest_parse_date_force_utc( $string, $value ) {
+               $this->assertEquals( $value, rest_parse_date( $string, true ) );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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