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Backport box-shadow support for blocks via theme.json #3274

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10 changes: 7 additions & 3 deletions src/wp-includes/class-wp-theme-json.php
Original file line number Diff line number Diff line change
Expand Up @@ -334,6 +334,7 @@ class WP_Theme_JSON {
* added new properties for `border`, `filter`, `spacing`,
* and `typography`.
* @since 6.1.0 Added new side properties for `border`,
* added new property `shadow`,
* updated `blockGap` to be allowed at any level.
* @var array
*/
Expand All @@ -356,6 +357,7 @@ class WP_Theme_JSON {
'filter' => array(
'duotone' => null,
),
'shadow' => null,
'spacing' => array(
'margin' => null,
'padding' => null,
Expand Down Expand Up @@ -584,9 +586,11 @@ protected static function sanitize( $input, $valid_block_names, $valid_element_n
*/
$styles_non_top_level = static::VALID_STYLES;
foreach ( array_keys( $styles_non_top_level ) as $section ) {
foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) {
if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) {
unset( $styles_non_top_level[ $section ][ $prop ] );
if ( array_key_exists( $section, $styles_non_top_level ) && is_array( $styles_non_top_level[ $section ] ) ) {
foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) {
if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) {
unset( $styles_non_top_level[ $section ][ $prop ] );
}
}
}
}
Expand Down