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<title>[39620] trunk: REST API: Fix PHP warnings when `get_theme_support( 'post-formats' )` is not an array.</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/39620">39620</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/39620","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>jnylen0</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-12-20 00:55:04 +0000 (Tue, 20 Dec 2016)</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 PHP warnings when `get_theme_support( 'post-formats' )` is not an array.
If `add_theme_support( 'post-formats' )` is called with no additional
arguments, then `get_theme_support( 'post-formats' )` returns `true` rather
than an array of supported formats. Avoid generating PHP warnings in this
situation.
Props dreamon11, ChopinBach.
Fixes <a href="https://core.trac.wordpress.org/ticket/39293">#39293</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></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-posts-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-posts-controller.php 2016-12-17 10:22:49 UTC (rev 39619)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2016-12-20 00:55:04 UTC (rev 39620)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1923,10 +1923,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> case 'post-formats':
</span><span class="cx" style="display: block; padding: 0 10px"> $supports_formats = get_theme_support( 'post-formats' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // Force to an array. Supports formats can return true even if empty in some cases.
+ $supports_formats = is_array( $supports_formats ) ? array_values( $supports_formats[0] ) : array();
+
+ $supported_formats = array_merge( array( 'standard' ), $supports_formats );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $schema['properties']['format'] = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'description' => __( 'The format for the object.' ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'type' => 'string',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'enum' => array_merge( array( 'standard' ), $supports_formats ? array_values( $supports_formats[0] ) : array() ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'enum' => $supported_formats,
</ins><span class="cx" style="display: block; padding: 0 10px"> 'context' => array( 'view', 'edit' ),
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px"> break;
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostscontrollerphp"></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-posts-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-posts-controller.php 2016-12-17 10:22:49 UTC (rev 39619)
+++ trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php 2016-12-20 00:55:04 UTC (rev 39620)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -858,6 +858,24 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $post2, $data[0]['id'] );
</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 test_get_items_no_supported_post_formats() {
+ // This causes get_theme_support( 'post-formats' ) to return `true` (not an array)
+ add_theme_support( 'post-formats' );
+
+ $request = new WP_REST_Request( 'OPTIONS', '/wp/v2/posts' );
+ $response = $this->server->dispatch( $request );
+ $data = $response->get_data();
+
+ // Set the expected state back for the rest of the tests.
+ global $_wp_theme_features;
+ unset( $_wp_theme_features['post-formats'] );
+ add_theme_support( 'post-formats', array( 'post', 'gallery' ) );
+
+ $formats = array( 'standard' );
+
+ $this->assertEquals( $formats, $data['schema']['properties']['format']['enum'] );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function test_get_item() {
</span><span class="cx" style="display: block; padding: 0 10px"> $request = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
</span><span class="cx" style="display: block; padding: 0 10px"> $response = $this->server->dispatch( $request );
</span></span></pre>
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