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<title>[55935] trunk: Media: Deprecate the 'edit_custom_thumbnail_sizes' filter and disable the "Apply changes to [Thumbnail|All|All except thumbnail]" UI in the image editor.</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/55935">55935</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/55935","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>azaozz</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-06-18 14:22:40 +0000 (Sun, 18 Jun 2023)</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'>Media: Deprecate the 'edit_custom_thumbnail_sizes' filter and disable the "Apply changes to [Thumbnail|All|All except thumbnail]" UI in the image editor. Add a (boolean) filter to reenable that UI.

Props peterwilsoncc, costdev, azaozz.
See: <a href="https://core.trac.wordpress.org/ticket/57685">#57685</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcjs_enqueueslibimageeditjs">trunk/src/js/_enqueues/lib/image-edit.js</a></li>
<li><a href="#trunksrcwpadminincludesimageeditphp">trunk/src/wp-admin/includes/image-edit.php</a></li>
<li><a href="#trunktestsphpunittestsajaxwpAjaxImageEditorphp">trunk/tests/phpunit/tests/ajax/wpAjaxImageEditor.php</a></li>
<li><a href="#trunktestsphpunittestsimagefunctionsphp">trunk/tests/phpunit/tests/image/functions.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcjs_enqueueslibimageeditjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/js/_enqueues/lib/image-edit.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/js/_enqueues/lib/image-edit.js  2023-06-18 12:53:47 UTC (rev 55934)
+++ trunk/src/js/_enqueues/lib/image-edit.js    2023-06-18 14:22:40 UTC (rev 55935)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -358,10 +358,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @param {number} postid The post ID.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @return {string} The value from the imagedit-save-target input field when available,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                  or 'full' when not available.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                  'full' when not selected, or 'all' if it doesn't exist.
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        getTarget : function(postid) {
-               return $('input[name="imgedit-target-' + postid + '"]:checked', '#imgedit-save-target-' + postid).val() || 'full';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ getTarget : function( postid ) {
+               var element = $( '#imgedit-save-target-' + postid );
+
+               if ( element.length ) {
+                       return element.find( 'input[name="imgedit-target-' + postid + '"]:checked' ).val() || 'full';
+               }
+
+               return 'all';
</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="trunksrcwpadminincludesimageeditphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/image-edit.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/image-edit.php        2023-06-18 12:53:47 UTC (rev 55934)
+++ trunk/src/wp-admin/includes/image-edit.php  2023-06-18 14:22:40 UTC (rev 55935)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -43,15 +43,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $note = "<div class='notice notice-success' tabindex='-1' role='alert'><p>$msg->msg</p></div>";
</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">-        $edit_custom_sizes = false;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px">         /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * Filters whether custom sizes are available options for image editing.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * Shows the settings in the Image Editor that allow selecting to edit only the thumbnail of an image.
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @since 6.0.0
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @since 6.3.0
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @param bool|string[] $edit_custom_sizes True if custom sizes can be edited or array of custom size names.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @param bool Whether to show the settings in the Image Editor. Default false.
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $edit_custom_sizes = apply_filters( 'edit_custom_thumbnail_sizes', $edit_custom_sizes );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $edit_thumbnails_separately = (bool) apply_filters( 'image_edit_thumbnails_separately', false );
+
</ins><span class="cx" style="display: block; padding: 0 10px">         ?>
</span><span class="cx" style="display: block; padding: 0 10px">        <div class="imgedit-wrap wp-clearfix">
</span><span class="cx" style="display: block; padding: 0 10px">        <div id="imgedit-panel-<?php echo $post_id; ?>">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -272,7 +273,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        </div>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        <?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        if ( $thumb && $sub_sizes ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( $edit_thumbnails_separately && $thumb && $sub_sizes ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                 $thumb_img = wp_constrain_dimensions( $thumb['width'], $thumb['height'], 160, 120 );
</span><span class="cx" style="display: block; padding: 0 10px">                ?>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -307,32 +308,12 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        <input type="radio" id="imgedit-target-thumbnail" name="imgedit-target-<?php echo $post_id; ?>" value="thumbnail" />
</span><span class="cx" style="display: block; padding: 0 10px">                                        <label for="imgedit-target-thumbnail"><?php _e( 'Thumbnail' ); ?></label>
</span><span class="cx" style="display: block; padding: 0 10px">                                </span>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px">                                 <span class="imgedit-label">
</span><span class="cx" style="display: block; padding: 0 10px">                                        <input type="radio" id="imgedit-target-nothumb" name="imgedit-target-<?php echo $post_id; ?>" value="nothumb" />
</span><span class="cx" style="display: block; padding: 0 10px">                                        <label for="imgedit-target-nothumb"><?php _e( 'All sizes except thumbnail' ); ?></label>
</span><span class="cx" style="display: block; padding: 0 10px">                                </span>
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                <?php
-                               if ( $edit_custom_sizes ) {
-                                       if ( ! is_array( $edit_custom_sizes ) ) {
-                                               $edit_custom_sizes = get_intermediate_image_sizes();
-                                       }
-                                       foreach ( array_unique( $edit_custom_sizes ) as $key => $size ) {
-                                               if ( array_key_exists( $size, $meta['sizes'] ) ) {
-                                                       if ( 'thumbnail' === $size ) {
-                                                               continue;
-                                                       }
-                                                       ?>
-                                                       <span class="imgedit-label">
-                                                       <input type="radio" id="imgedit-target-custom<?php echo esc_attr( $key ); ?>" name="imgedit-target-<?php echo $post_id; ?>" value="<?php echo esc_attr( $size ); ?>" />
-                                                               <label for="imgedit-target-custom<?php echo esc_attr( $key ); ?>"><?php echo esc_html( $size ); ?></label>
-                                                       </span>
-                                                       <?php
-                                               }
-                                       }
-                               }
-                               ?>
</del><span class="cx" style="display: block; padding: 0 10px">                                 </fieldset>
</span><span class="cx" style="display: block; padding: 0 10px">                        </div>
</span><span class="cx" style="display: block; padding: 0 10px">                </div>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -918,6 +899,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $target  = ! empty( $_REQUEST['target'] ) ? preg_replace( '/[^a-z0-9_-]+/i', '', $_REQUEST['target'] ) : '';
</span><span class="cx" style="display: block; padding: 0 10px">        $scale   = ! empty( $_REQUEST['do'] ) && 'scale' === $_REQUEST['do'];
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        /** This filter is documented in wp-admin/includes/image-edit.php */
+       $edit_thumbnails_separately = (bool) apply_filters( 'image_edit_thumbnails_separately', false );
+
</ins><span class="cx" style="display: block; padding: 0 10px">         if ( $scale ) {
</span><span class="cx" style="display: block; padding: 0 10px">                $size = $img->get_size();
</span><span class="cx" style="display: block; padding: 0 10px">                $sX   = $size['width'];
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -977,7 +961,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE &&
</span><span class="cx" style="display: block; padding: 0 10px">                isset( $backup_sizes['full-orig'] ) && $backup_sizes['full-orig']['file'] != $basename ) {
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( 'thumbnail' === $target ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( $edit_thumbnails_separately && 'thumbnail' === $target ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $new_path = "{$dirname}/{$filename}-temp.{$ext}";
</span><span class="cx" style="display: block; padding: 0 10px">                } else {
</span><span class="cx" style="display: block; padding: 0 10px">                        $new_path = $path;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1027,29 +1011,21 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $meta['width']  = $size['width'];
</span><span class="cx" style="display: block; padding: 0 10px">                $meta['height'] = $size['height'];
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( $success ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( $success && ( 'nothumb' === $target || 'all' === $target ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $sizes = get_intermediate_image_sizes();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        if ( 'nothumb' === $target || 'all' === $target ) {
-                               if ( 'nothumb' === $target ) {
-                                       $sizes = array_diff( $sizes, array( 'thumbnail' ) );
-                               }
-                       } elseif ( 'thumbnail' !== $target ) {
-                               $sizes = array_diff( $sizes, array( $target ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+                       if ( $edit_thumbnails_separately && 'nothumb' === $target ) {
+                               $sizes = array_diff( $sizes, array( 'thumbnail' ) );
</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 class="cx" style="display: block; padding: 0 10px">                $return->fw = $meta['width'];
</span><span class="cx" style="display: block; padding: 0 10px">                $return->fh = $meta['height'];
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        } elseif ( 'thumbnail' === $target ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } elseif ( $edit_thumbnails_separately && 'thumbnail' === $target ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                 $sizes   = array( 'thumbnail' );
</span><span class="cx" style="display: block; padding: 0 10px">                $success = true;
</span><span class="cx" style="display: block; padding: 0 10px">                $delete  = true;
</span><span class="cx" style="display: block; padding: 0 10px">                $nocrop  = true;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        } else {
-               $sizes   = array( $target );
-               $success = true;
-               $delete  = true;
-               $nocrop  = $_wp_additional_image_sizes[ $size ]['crop'];
</del><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="trunktestsphpunittestsajaxwpAjaxImageEditorphp"></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/ajax/wpAjaxImageEditor.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/ajax/wpAjaxImageEditor.php      2023-06-18 12:53:47 UTC (rev 55934)
+++ trunk/tests/phpunit/tests/ajax/wpAjaxImageEditor.php        2023-06-18 14:22:40 UTC (rev 55935)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -29,39 +29,6 @@
</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">-         * @ticket 22985
-        * @requires function imagejpeg
-        *
-        * @covers ::wp_insert_attachment
-        * @covers ::wp_save_image
-        */
-       public function testCropImageThumbnail() {
-               require_once ABSPATH . 'wp-admin/includes/image-edit.php';
-
-               $filename = DIR_TESTDATA . '/images/canola.jpg';
-               $contents = file_get_contents( $filename );
-
-               $upload = wp_upload_bits( wp_basename( $filename ), null, $contents );
-               $id     = $this->_make_attachment( $upload );
-
-               $_REQUEST['action']  = 'image-editor';
-               $_REQUEST['context'] = 'edit-attachment';
-               $_REQUEST['postid']  = $id;
-               $_REQUEST['target']  = 'thumbnail';
-               $_REQUEST['do']      = 'save';
-               $_REQUEST['history'] = '[{"c":{"x":5,"y":8,"w":289,"h":322}}]';
-
-               $media_meta = wp_get_attachment_metadata( $id );
-               $this->assertArrayHasKey( 'sizes', $media_meta, 'attachment should have size data' );
-               $this->assertArrayHasKey( 'medium', $media_meta['sizes'], 'attachment should have data for medium size' );
-               $ret = wp_save_image( $id );
-
-               $media_meta = wp_get_attachment_metadata( $id );
-               $this->assertArrayHasKey( 'sizes', $media_meta, 'cropped attachment should have size data' );
-               $this->assertArrayHasKey( 'medium', $media_meta['sizes'], 'cropped attachment should have data for medium size' );
-       }
-
-       /**
</del><span class="cx" style="display: block; padding: 0 10px">          * @ticket 26381
</span><span class="cx" style="display: block; padding: 0 10px">         * @requires function imagejpeg
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span></span></pre></div>
<a id="trunktestsphpunittestsimagefunctionsphp"></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/image/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/image/functions.php     2023-06-18 12:53:47 UTC (rev 55934)
+++ trunk/tests/phpunit/tests/image/functions.php       2023-06-18 14:22:40 UTC (rev 55935)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -351,6 +351,91 @@
</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><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * Tests that `wp_image_editor()` applies 'image_edit_thumbnails_separately' filters.
+        *
+        * @ticket 53161
+        *
+        * @covers ::wp_image_editor
+        */
+       public function test_wp_image_editor_should_apply_image_edit_thumbnails_separately_filters() {
+               require_once ABSPATH . 'wp-admin/includes/image-edit.php';
+
+               $filename = DIR_TESTDATA . '/images/canola.jpg';
+               $contents = file_get_contents( $filename );
+               $upload   = wp_upload_bits( wp_basename( $filename ), null, $contents );
+               $id       = $this->_make_attachment( $upload );
+
+               $filter = new MockAction();
+               add_filter( 'image_edit_thumbnails_separately', array( &$filter, 'filter' ) );
+
+               ob_start();
+               wp_image_editor( $id );
+               ob_end_clean();
+
+               $this->assertSame( 1, $filter->get_call_count() );
+       }
+
+       /**
+        * Tests that `wp_image_editor()` conditionally outputs markup for editing thumbnails separately
+        * based on the result of applying 'image_edit_thumbnails_separately' filters.
+        *
+        * @ticket 53161
+        *
+        * @covers ::wp_image_editor
+        *
+        * @dataProvider data_wp_image_editor_should_respect_image_edit_thumbnails_separately_filters
+        *
+        * @param string $callback The name of the callback for the 'image_edit_thumbnails_separately' hook.
+        * @param bool   $expected Whether the markup should be output.
+        */
+       public function test_wp_image_editor_should_respect_image_edit_thumbnails_separately_filters( $callback, $expected ) {
+               require_once ABSPATH . 'wp-admin/includes/image-edit.php';
+
+               $filename = DIR_TESTDATA . '/images/canola.jpg';
+               $contents = file_get_contents( $filename );
+               $upload   = wp_upload_bits( wp_basename( $filename ), null, $contents );
+               $id       = $this->_make_attachment( $upload );
+
+               add_filter( 'image_edit_thumbnails_separately', $callback );
+
+               ob_start();
+               wp_image_editor( $id );
+               $actual = ob_get_clean();
+
+               if ( $expected ) {
+                       $this->assertStringContainsString(
+                               'imgedit-applyto',
+                               $actual,
+                               'The markup should have been output.'
+                       );
+               } else {
+                       $this->assertStringNotContainsString(
+                               'imgedit-applyto',
+                               $actual,
+                               'The markup should not have been output.'
+                       );
+               }
+       }
+
+       /**
+        * Data provider.
+        *
+        * @return array[]
+        */
+       public function data_wp_image_editor_should_respect_image_edit_thumbnails_separately_filters() {
+               return array(
+                       'true'  => array(
+                               'callback' => '__return_true',
+                               'expected' => true,
+                       ),
+                       'false' => array(
+                               'callback' => '__return_false',
+                               'expected' => false,
+                       ),
+               );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Tests that a passed mime type overrides the extension in the filename when saving an image.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @dataProvider data_image_editor_engine_classes
</span></span></pre>
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