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Editor: Only add layout classes to inner wrapper if block is a container

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Backport of https://github.com/WordPress/gutenberg/issues/48606, which fixes an issue found in adding fixtures for deprecated Gallery block versions in #55571.

See #55571.
Fixes #57831.
Props isabel_brison, Mamaduka, dasnitesh780.




git-svn-id: https://develop.svn.wordpress.org/trunk@55439 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Greg Ziółkowski
2023-03-01 11:45:22 +00:00
parent 7a8ea502cf
commit d8876119b3
1 changed files with 1 additions and 1 deletions
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src/wp-includes/block-supports/layout.php
+1 -1
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@@ -492,7 +492,7 @@ function wp_render_layout_support_flag( $block_content, $block ) {
*/
$inner_content_classnames = '';
if ( isset( $block['innerContent'][0] ) && 'string' === gettype( $block['innerContent'][0] ) ) {
if ( isset( $block['innerContent'][0] ) && 'string' === gettype( $block['innerContent'][0] ) && count( $block['innerContent'] ) > 1 ) {
$tags = new WP_HTML_Tag_Processor( $block['innerContent'][0] );
$last_classnames = '';
while ( $tags->next_tag() ) {