Initial merge with WP 5.8.1

README.md

@@ -1,7 +1,7 @@
 Project Nami
 ===============
 
-### Version: `2.8.0` ###
+### Version: `2.8.1` ###
 
 ### Description: ###
 [![Deploy to Azure](http://azuredeploy.net/deploybutton.png)](https://deploy.azure.com/?repository=https://github.com/ProjectNami/projectnami/tree/latest)

wp-admin/about.php

@@ -40,6 +40,39 @@
 
 		<hr />
 
+		<div class="about__section changelog">
+			<div class="column">
+				<h2><?php _e( 'Maintenance and Security Releases' ); ?></h2>
+				<p>
+					<?php
+					printf(
+						/* translators: 1: WordPress version number, 2: plural number of bugs. */
+						_n(
+							'<strong>Version %1$s</strong> addressed a security issue and fixed %2$s bug.',
+							'<strong>Version %1$s</strong> addressed a security issue and fixed %2$s bugs.',
+							60
+						),
+						'5.8.1',
+						number_format_i18n( 60 )
+					);
+					?>
+					<?php
+					printf(
+						/* translators: %s: HelpHub URL */
+						__( 'For more information, see <a href="%s">the release notes</a>.' ),
+						sprintf(
+							/* translators: %s: WordPress version */
+							esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+							sanitize_title( '5.8.1' )
+						)
+					);
+					?>
+				</p>
+			</div>
+		</div>
+
+		<hr class="is-large" />
+
 		<div class="about__section">
 			<h2 class="aligncenter">
 				<?php _e( 'Three Essential Powerhouses' ); ?>
@@ -160,8 +193,8 @@
 			</h2>
 			<div class="column about__image is-vertically-aligned-center">
 				<picture>
-					<source srcset="https://s.w.org/images/core/5.8/about-theme-json.png, https://s.w.org/images/core/5.8/about-theme-json-2x.png 2x">
-					<img src="https://s.w.org/images/core/5.8/about-theme-json.png" alt="">
+					<source srcset="https://s.w.org/images/core/5.8/about-theme-json.png, https://s.w.org/images/core/5.8/about-theme-json-2x.png 2x" />
+					<img src="https://s.w.org/images/core/5.8/about-theme-json.png" alt="" />
 				</picture>
 			</div>
 		</div>

wp-admin/customize.php

@@ -144,6 +144,10 @@
 }
 $body_class .= ' locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );
 
+if ( wp_use_widgets_block_editor() ) {
+	$body_class .= ' wp-embed-responsive';
+}
+
 $admin_title = sprintf( $wp_customize->get_document_title_template(), __( 'Loading…' ) );
 
 ?>

wp-admin/edit-form-blocks.php

@@ -119,7 +119,7 @@ function( $classes ) {
  * besides the default value.
  */
 $available_templates = wp_get_theme()->get_page_templates( get_post( $post->ID ) );
-$available_templates = ! empty( $available_templates ) ? array_merge(
+$available_templates = ! empty( $available_templates ) ? array_replace(
 	array(
 		/** This filter is documented in wp-admin/includes/meta-boxes.php */
 		'' => apply_filters( 'default_page_template_title', __( 'Default template' ), 'rest-api' ),

wp-admin/includes/ajax-actions.php

@@ -3003,7 +3003,9 @@ function wp_ajax_query_attachments() {
 		$total_posts = $count_query->found_posts;
 	}
 
-	$max_pages = ceil( $total_posts / (int) $attachments_query->query['posts_per_page'] );
+	$posts_per_page = (int) $attachments_query->query['posts_per_page'];
+
+	$max_pages = $posts_per_page ? ceil( $total_posts / $posts_per_page ) : 0;
 
 	header( 'X-WP-Total: ' . (int) $total_posts );
 	header( 'X-WP-TotalPages: ' . (int) $max_pages );

wp-admin/includes/class-custom-background.php

@@ -418,7 +418,7 @@ public function admin_page() {
 	<div class="button-group">
 				<?php foreach ( $group as $value => $input ) : ?>
 		<label>
-			<input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
+			<input class="ui-helper-hidden-accessible" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
 			<span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
 			<span class="screen-reader-text"><?php echo $input['label']; ?></span>
 		</label>

wp-admin/includes/class-pclzip.php

@@ -2674,7 +2674,12 @@ function privAddFile($p_filedescr, &$p_header, &$p_options)
         }
 
         // ----- Read the file content
-        $v_content = @fread($v_file, $p_header['size']);
+        if ($p_header['size'] > 0) {
+          $v_content = @fread($v_file, $p_header['size']);
+        }
+        else {
+          $v_content = '';
+        }
 
         // ----- Close the file
         @fclose($v_file);
@@ -3884,11 +3889,11 @@ function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path,
 
 
             // ----- Read the compressed file in a buffer (one shot)
-            if ( $p_entry['compressed_size'] > 0 ) {
+            if ($p_entry['compressed_size'] > 0) {
               $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
             }
             else {
-              $v_buffer = false;
+              $v_buffer = '';
             }
 
             // ----- Decompress the file
@@ -4101,11 +4106,11 @@ function privExtractFileInOutput(&$p_entry, &$p_options)
         if ($p_entry['compressed_size'] == $p_entry['size']) {
 
           // ----- Read the file in a buffer (one shot)
-          if ( $p_entry['compressed_size'] > 0 ) {
+          if ($p_entry['compressed_size'] > 0) {
             $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
           }
           else {
-            $v_buffer = false;
+            $v_buffer = '';
           }
 
           // ----- Send the file to the output
@@ -4115,11 +4120,11 @@ function privExtractFileInOutput(&$p_entry, &$p_options)
         else {
 
           // ----- Read the compressed file in a buffer (one shot)
-          if ( $p_entry['compressed_size'] > 0 ) {
+          if ($p_entry['compressed_size'] > 0) {
             $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
           }
           else {
-            $v_buffer = false;
+            $v_buffer = '';
           }
 
           // ----- Decompress the file
@@ -4224,21 +4229,21 @@ function privExtractFileAsString(&$p_entry, &$p_string, &$p_options)
         if ($p_entry['compression'] == 0) {
 
           // ----- Reading the file
-          if ( $p_entry['compressed_size'] > 0 ) {
+          if ($p_entry['compressed_size'] > 0) {
             $p_string = @fread($this->zip_fd, $p_entry['compressed_size']);
           }
           else {
-            $p_string = false;
+            $p_string = '';
           }
         }
         else {
 
           // ----- Reading the file
-          if ( $p_entry['compressed_size'] > 0 ) {
+          if ($p_entry['compressed_size'] > 0) {
             $v_data = @fread($this->zip_fd, $p_entry['compressed_size']);
           }
           else {
-            $v_data = false;
+            $v_data = '';
           }
 
           // ----- Decompress the file

wp-admin/includes/theme.php

@@ -298,6 +298,7 @@ function get_theme_update_available( $theme ) {
  * @since 5.5.0 Added 'Block Editor Patterns', 'Block Editor Styles',
  *              and 'Full Site Editing' features.
  * @since 5.5.0 Added 'Wide Blocks' layout option.
+ * @since 5.8.1 Added 'Template Editing' feature.
  *
  * @param bool $api Optional. Whether try to fetch tags from the WordPress.org API. Defaults to true.
  * @return array Array of features keyed by category with translations keyed by slug.
@@ -334,6 +335,7 @@ function get_theme_feature_list( $api = true ) {
 			'full-width-template'   => __( 'Full Width Template' ),
 			'post-formats'          => __( 'Post Formats' ),
 			'sticky-post'           => __( 'Sticky Post' ),
+			'template-editing'      => __( 'Template Editing' ),
 			'theme-options'         => __( 'Theme Options' ),
 		),
 

wp-admin/includes/update-core.php

@@ -822,6 +822,10 @@
 	'wp-includes/block-patterns/large-header-button.php',
 	'wp-includes/blocks/subhead/block.json',
 	'wp-includes/blocks/subhead',
+	'wp-includes/css/dist/editor/editor-styles.css',
+	'wp-includes/css/dist/editor/editor-styles.min.css',
+	'wp-includes/css/dist/editor/editor-styles-rtl.css',
+	'wp-includes/css/dist/editor/editor-styles-rtl.min.css',
 );
 
 /**

wp-admin/js/customize-controls.js

@@ -8452,6 +8452,13 @@
 				return;
 			}
 
+			// Abort if we're inside of a block editor instance.
+			if ( event.target.closest( '.block-editor-writing-flow' ) !== null ||
+				event.target.closest( '.block-editor-block-list__block-popover' ) !== null
+			) {
+				return;
+			}
+
 			// Check for expanded expandable controls (e.g. widgets and nav menus items), sections, and panels.
 			api.control.each( function( control ) {
 				if ( control.expanded && control.expanded() && _.isFunction( control.collapse ) ) {

wp-admin/js/widgets/custom-html-widgets.js

@@ -356,7 +356,7 @@ wp.customHtmlWidgets = ( function( $ ) {
 			return;
 		}
 
-		idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+		idBase = widgetForm.find( '.id_base' ).val();
 		if ( -1 === component.idBases.indexOf( idBase ) ) {
 			return;
 		}

wp-admin/js/widgets/media-widgets.js

@@ -1212,7 +1212,7 @@ wp.mediaWidgets = ( function( $ ) {
 			return;
 		}
 
-		idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+		idBase = widgetForm.find( '.id_base' ).val();
 
 		ControlConstructor = component.controlConstructors[ idBase ];
 		if ( ! ControlConstructor ) {