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<title>[48796] trunk: REST API: Add uniqueItems as a permitted endpoint argument JSON Schema keyword.</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/48796">48796</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/48796","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>TimothyBlynJacobs</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-08-15 16:09:56 +0000 (Sat, 15 Aug 2020)</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 uniqueItems as a permitted endpoint argument JSON Schema keyword.

Support for the `uniqueItems` keyword was added in <a href="https://core.trac.wordpress.org/changeset/48357">[48357]</a>, but wasn't included in the list of permitted keywords for `WP_REST_Controller::get_endpoint_args_for_item_schema()`. This prevented the keyword from being automatically supported if specified in a controller's item schema.

Fixes <a href="https://core.trac.wordpress.org/ticket/51021">#51021</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestcontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestcontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapiresttestcontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-test-controller.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestcontrollerphp"></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/rest-api/endpoints/class-wp-rest-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php     2020-08-15 13:44:00 UTC (rev 48795)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php       2020-08-15 16:09:56 UTC (rev 48796)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -645,6 +645,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'pattern',
</span><span class="cx" style="display: block; padding: 0 10px">                        'minItems',
</span><span class="cx" style="display: block; padding: 0 10px">                        'maxItems',
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        'uniqueItems',
</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">                foreach ( $schema_properties as $field_id => $params ) {
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestcontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-controller.php    2020-08-15 13:44:00 UTC (rev 48795)
+++ trunk/tests/phpunit/tests/rest-api/rest-controller.php      2020-08-15 16:09:56 UTC (rev 48796)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -265,7 +265,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertArrayHasKey( 'items', $args['somearray'] );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                foreach ( array( 'minItems', 'maxItems' ) as $property ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         foreach ( array( 'minItems', 'maxItems', 'uniqueItems' ) as $property ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $this->assertArrayHasKey( $property, $args['somearray'] );
</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="trunktestsphpunittestsrestapiresttestcontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-test-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-test-controller.php       2020-08-15 13:44:00 UTC (rev 48795)
+++ trunk/tests/phpunit/tests/rest-api/rest-test-controller.php 2020-08-15 16:09:56 UTC (rev 48796)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -101,13 +101,14 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        'default' => 'a',
</span><span class="cx" style="display: block; padding: 0 10px">                                ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'somearray'      => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        'type'     => 'array',
-                                       'items'    => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 'type'        => 'array',
+                                       'items'       => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                                 'type' => 'string',
</span><span class="cx" style="display: block; padding: 0 10px">                                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        'minItems' => 1,
-                                       'maxItems' => 10,
-                                       'context'  => array( 'view' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 'minItems'    => 1,
+                                       'maxItems'    => 10,
+                                       'uniqueItems' => true,
+                                       'context'     => array( 'view' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'someobject'     => array(
</span><span class="cx" style="display: block; padding: 0 10px">                                        'type'                 => 'object',
</span></span></pre>
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