<h2>File Contents: /home/planet5/www/yanhuanghealthcare.co.uk/wp-includes/block-supports/layout.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yanhuanghealthcare.co.uk/wp-includes/block-supports/layout.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * Layout block support flag.
 *
 * @package WordPress
 * @since 5.8.0
 */

/**
 * Returns layout definitions, keyed by layout type.
 *
 * Provides a common definition of slugs, classnames, base styles, and spacing styles for each layout type.
 * When making changes or additions to layout definitions, the corresponding JavaScript definitions should
 * also be updated.
 *
 * @since 6.3.0
 * @since 6.6.0 Updated specificity for compatibility with 0-1-0 global styles specificity.
 * @access private
 *
 * @return array[] Layout definitions.
 */
function wp_get_layout_definitions() {
	$layout_definitions = array(
		&#039;default&#039;     =&gt; array(
			&#039;name&#039;          =&gt; &#039;default&#039;,
			&#039;slug&#039;          =&gt; &#039;flow&#039;,
			&#039;className&#039;     =&gt; &#039;is-layout-flow&#039;,
			&#039;baseStyles&#039;    =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .alignleft&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;float&#039;               =&gt; &#039;left&#039;,
						&#039;margin-inline-start&#039; =&gt; &#039;0&#039;,
						&#039;margin-inline-end&#039;   =&gt; &#039;2em&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .alignright&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;float&#039;               =&gt; &#039;right&#039;,
						&#039;margin-inline-start&#039; =&gt; &#039;2em&#039;,
						&#039;margin-inline-end&#039;   =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .aligncenter&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-left&#039;  =&gt; &#039;auto !important&#039;,
						&#039;margin-right&#039; =&gt; &#039;auto !important&#039;,
					),
				),
			),
			&#039;spacingStyles&#039; =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :first-child&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-start&#039; =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :last-child&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-end&#039; =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; *&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-start&#039; =&gt; null,
						&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
					),
				),
			),
		),
		&#039;constrained&#039; =&gt; array(
			&#039;name&#039;          =&gt; &#039;constrained&#039;,
			&#039;slug&#039;          =&gt; &#039;constrained&#039;,
			&#039;className&#039;     =&gt; &#039;is-layout-constrained&#039;,
			&#039;baseStyles&#039;    =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .alignleft&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;float&#039;               =&gt; &#039;left&#039;,
						&#039;margin-inline-start&#039; =&gt; &#039;0&#039;,
						&#039;margin-inline-end&#039;   =&gt; &#039;2em&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .alignright&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;float&#039;               =&gt; &#039;right&#039;,
						&#039;margin-inline-start&#039; =&gt; &#039;2em&#039;,
						&#039;margin-inline-end&#039;   =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .aligncenter&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-left&#039;  =&gt; &#039;auto !important&#039;,
						&#039;margin-right&#039; =&gt; &#039;auto !important&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :where(:not(.alignleft):not(.alignright):not(.alignfull))&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;max-width&#039;    =&gt; &#039;var(--wp--style--global--content-size)&#039;,
						&#039;margin-left&#039;  =&gt; &#039;auto !important&#039;,
						&#039;margin-right&#039; =&gt; &#039;auto !important&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; .alignwide&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;max-width&#039; =&gt; &#039;var(--wp--style--global--wide-size)&#039;,
					),
				),
			),
			&#039;spacingStyles&#039; =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :first-child&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-start&#039; =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :last-child&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-end&#039; =&gt; &#039;0&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; *&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;margin-block-start&#039; =&gt; null,
						&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
					),
				),
			),
		),
		&#039;flex&#039;        =&gt; array(
			&#039;name&#039;          =&gt; &#039;flex&#039;,
			&#039;slug&#039;          =&gt; &#039;flex&#039;,
			&#039;className&#039;     =&gt; &#039;is-layout-flex&#039;,
			&#039;displayMode&#039;   =&gt; &#039;flex&#039;,
			&#039;baseStyles&#039;    =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039;&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;flex-wrap&#039;   =&gt; &#039;wrap&#039;,
						&#039;align-items&#039; =&gt; &#039;center&#039;,
					),
				),
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :is(*, div)&#039;, // :is(*, div) instead of just * increases the specificity by 001.
					&#039;rules&#039;    =&gt; array(
						&#039;margin&#039; =&gt; &#039;0&#039;,
					),
				),
			),
			&#039;spacingStyles&#039; =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039;&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;gap&#039; =&gt; null,
					),
				),
			),
		),
		&#039;grid&#039;        =&gt; array(
			&#039;name&#039;          =&gt; &#039;grid&#039;,
			&#039;slug&#039;          =&gt; &#039;grid&#039;,
			&#039;className&#039;     =&gt; &#039;is-layout-grid&#039;,
			&#039;displayMode&#039;   =&gt; &#039;grid&#039;,
			&#039;baseStyles&#039;    =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039; &gt; :is(*, div)&#039;, // :is(*, div) instead of just * increases the specificity by 001.
					&#039;rules&#039;    =&gt; array(
						&#039;margin&#039; =&gt; &#039;0&#039;,
					),
				),
			),
			&#039;spacingStyles&#039; =&gt; array(
				array(
					&#039;selector&#039; =&gt; &#039;&#039;,
					&#039;rules&#039;    =&gt; array(
						&#039;gap&#039; =&gt; null,
					),
				),
			),
		),
	);

	return $layout_definitions;
}

/**
 * Registers the layout block attribute for block types that support it.
 *
 * @since 5.8.0
 * @since 6.3.0 Check for layout support via the `layout` key with fallback to `__experimentalLayout`.
 * @access private
 *
 * @param WP_Block_Type $block_type Block Type.
 */
function wp_register_layout_support( $block_type ) {
	$support_layout = block_has_support( $block_type, &#039;layout&#039;, false ) || block_has_support( $block_type, &#039;__experimentalLayout&#039;, false );
	if ( $support_layout ) {
		if ( ! $block_type-&gt;attributes ) {
			$block_type-&gt;attributes = array();
		}

		if ( ! array_key_exists( &#039;layout&#039;, $block_type-&gt;attributes ) ) {
			$block_type-&gt;attributes[&#039;layout&#039;] = array(
				&#039;type&#039; =&gt; &#039;object&#039;,
			);
		}
	}
}

/**
 * Generates the CSS corresponding to the provided layout.
 *
 * @since 5.9.0
 * @since 6.1.0 Added `$block_spacing` param, use style engine to enqueue styles.
 * @since 6.3.0 Added grid layout type.
 * @since 6.6.0 Removed duplicated selector from layout styles.
 *              Enabled negative margins for alignfull children of blocks with custom padding.
 * @access private
 *
 * @param string               $selector                      CSS selector.
 * @param array                $layout                        Layout object. The one that is passed has already checked
 *                                                            the existence of default block layout.
 * @param bool                 $has_block_gap_support         Optional. Whether the theme has support for the block gap. Default false.
 * @param string|string[]|null $gap_value                     Optional. The block gap value to apply. Default null.
 * @param bool                 $should_skip_gap_serialization Optional. Whether to skip applying the user-defined value set in the editor. Default false.
 * @param string               $fallback_gap_value            Optional. The block gap value to apply. Default &#039;0.5em&#039;.
 * @param array|null           $block_spacing                 Optional. Custom spacing set on the block. Default null.
 * @return string CSS styles on success. Else, empty string.
 */
function wp_get_layout_style( $selector, $layout, $has_block_gap_support = false, $gap_value = null, $should_skip_gap_serialization = false, $fallback_gap_value = &#039;0.5em&#039;, $block_spacing = null ) {
	$layout_type   = isset( $layout[&#039;type&#039;] ) ? $layout[&#039;type&#039;] : &#039;default&#039;;
	$layout_styles = array();

	if ( &#039;default&#039; === $layout_type ) {
		if ( $has_block_gap_support ) {
			if ( is_array( $gap_value ) ) {
				$gap_value = isset( $gap_value[&#039;top&#039;] ) ? $gap_value[&#039;top&#039;] : null;
			}
			if ( null !== $gap_value &amp;&amp; ! $should_skip_gap_serialization ) {
				// Get spacing CSS variable from preset value if provided.
				if ( is_string( $gap_value ) &amp;&amp; str_contains( $gap_value, &#039;var:preset|spacing|&#039; ) ) {
					$index_to_splice = strrpos( $gap_value, &#039;|&#039; ) + 1;
					$slug            = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
					$gap_value       = &quot;var(--wp--preset--spacing--$slug)&quot;;
				}

				array_push(
					$layout_styles,
					array(
						&#039;selector&#039;     =&gt; &quot;$selector &gt; *&quot;,
						&#039;declarations&#039; =&gt; array(
							&#039;margin-block-start&#039; =&gt; &#039;0&#039;,
							&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
						),
					),
					array(
						&#039;selector&#039;     =&gt; &quot;$selector &gt; * + *&quot;,
						&#039;declarations&#039; =&gt; array(
							&#039;margin-block-start&#039; =&gt; $gap_value,
							&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
						),
					)
				);
			}
		}
	} elseif ( &#039;constrained&#039; === $layout_type ) {
		$content_size    = isset( $layout[&#039;contentSize&#039;] ) ? $layout[&#039;contentSize&#039;] : &#039;&#039;;
		$wide_size       = isset( $layout[&#039;wideSize&#039;] ) ? $layout[&#039;wideSize&#039;] : &#039;&#039;;
		$justify_content = isset( $layout[&#039;justifyContent&#039;] ) ? $layout[&#039;justifyContent&#039;] : &#039;center&#039;;

		$all_max_width_value  = $content_size ? $content_size : $wide_size;
		$wide_max_width_value = $wide_size ? $wide_size : $content_size;

		// Make sure there is a single CSS rule, and all tags are stripped for security.
		$all_max_width_value  = safecss_filter_attr( explode( &#039;;&#039;, $all_max_width_value )[0] );
		$wide_max_width_value = safecss_filter_attr( explode( &#039;;&#039;, $wide_max_width_value )[0] );

		$margin_left  = &#039;left&#039; === $justify_content ? &#039;0 !important&#039; : &#039;auto !important&#039;;
		$margin_right = &#039;right&#039; === $justify_content ? &#039;0 !important&#039; : &#039;auto !important&#039;;

		if ( $content_size || $wide_size ) {
			array_push(
				$layout_styles,
				array(
					&#039;selector&#039;     =&gt; &quot;$selector &gt; :where(:not(.alignleft):not(.alignright):not(.alignfull))&quot;,
					&#039;declarations&#039; =&gt; array(
						&#039;max-width&#039;    =&gt; $all_max_width_value,
						&#039;margin-left&#039;  =&gt; $margin_left,
						&#039;margin-right&#039; =&gt; $margin_right,
					),
				),
				array(
					&#039;selector&#039;     =&gt; &quot;$selector &gt; .alignwide&quot;,
					&#039;declarations&#039; =&gt; array( &#039;max-width&#039; =&gt; $wide_max_width_value ),
				),
				array(
					&#039;selector&#039;     =&gt; &quot;$selector .alignfull&quot;,
					&#039;declarations&#039; =&gt; array( &#039;max-width&#039; =&gt; &#039;none&#039; ),
				)
			);
		}

		if ( isset( $block_spacing ) ) {
			$block_spacing_values = wp_style_engine_get_styles(
				array(
					&#039;spacing&#039; =&gt; $block_spacing,
				)
			);

			/*
			 * Handle negative margins for alignfull children of blocks with custom padding set.
			 * They&#039;re added separately because padding might only be set on one side.
			 */
			if ( isset( $block_spacing_values[&#039;declarations&#039;][&#039;padding-right&#039;] ) ) {
				$padding_right = $block_spacing_values[&#039;declarations&#039;][&#039;padding-right&#039;];
				// Add unit if 0.
				if ( &#039;0&#039; === $padding_right ) {
					$padding_right = &#039;0px&#039;;
				}
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; &quot;$selector &gt; .alignfull&quot;,
					&#039;declarations&#039; =&gt; array( &#039;margin-right&#039; =&gt; &quot;calc($padding_right * -1)&quot; ),
				);
			}
			if ( isset( $block_spacing_values[&#039;declarations&#039;][&#039;padding-left&#039;] ) ) {
				$padding_left = $block_spacing_values[&#039;declarations&#039;][&#039;padding-left&#039;];
				// Add unit if 0.
				if ( &#039;0&#039; === $padding_left ) {
					$padding_left = &#039;0px&#039;;
				}
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; &quot;$selector &gt; .alignfull&quot;,
					&#039;declarations&#039; =&gt; array( &#039;margin-left&#039; =&gt; &quot;calc($padding_left * -1)&quot; ),
				);
			}
		}

		if ( &#039;left&#039; === $justify_content ) {
			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; &quot;$selector &gt; :where(:not(.alignleft):not(.alignright):not(.alignfull))&quot;,
				&#039;declarations&#039; =&gt; array( &#039;margin-left&#039; =&gt; &#039;0 !important&#039; ),
			);
		}

		if ( &#039;right&#039; === $justify_content ) {
			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; &quot;$selector &gt; :where(:not(.alignleft):not(.alignright):not(.alignfull))&quot;,
				&#039;declarations&#039; =&gt; array( &#039;margin-right&#039; =&gt; &#039;0 !important&#039; ),
			);
		}

		if ( $has_block_gap_support ) {
			if ( is_array( $gap_value ) ) {
				$gap_value = isset( $gap_value[&#039;top&#039;] ) ? $gap_value[&#039;top&#039;] : null;
			}
			if ( null !== $gap_value &amp;&amp; ! $should_skip_gap_serialization ) {
				// Get spacing CSS variable from preset value if provided.
				if ( is_string( $gap_value ) &amp;&amp; str_contains( $gap_value, &#039;var:preset|spacing|&#039; ) ) {
					$index_to_splice = strrpos( $gap_value, &#039;|&#039; ) + 1;
					$slug            = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
					$gap_value       = &quot;var(--wp--preset--spacing--$slug)&quot;;
				}

				array_push(
					$layout_styles,
					array(
						&#039;selector&#039;     =&gt; &quot;$selector &gt; *&quot;,
						&#039;declarations&#039; =&gt; array(
							&#039;margin-block-start&#039; =&gt; &#039;0&#039;,
							&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
						),
					),
					array(
						&#039;selector&#039;     =&gt; &quot;$selector &gt; * + *&quot;,
						&#039;declarations&#039; =&gt; array(
							&#039;margin-block-start&#039; =&gt; $gap_value,
							&#039;margin-block-end&#039;   =&gt; &#039;0&#039;,
						),
					)
				);
			}
		}
	} elseif ( &#039;flex&#039; === $layout_type ) {
		$layout_orientation = isset( $layout[&#039;orientation&#039;] ) ? $layout[&#039;orientation&#039;] : &#039;horizontal&#039;;

		$justify_content_options = array(
			&#039;left&#039;   =&gt; &#039;flex-start&#039;,
			&#039;right&#039;  =&gt; &#039;flex-end&#039;,
			&#039;center&#039; =&gt; &#039;center&#039;,
		);

		$vertical_alignment_options = array(
			&#039;top&#039;    =&gt; &#039;flex-start&#039;,
			&#039;center&#039; =&gt; &#039;center&#039;,
			&#039;bottom&#039; =&gt; &#039;flex-end&#039;,
		);

		if ( &#039;horizontal&#039; === $layout_orientation ) {
			$justify_content_options    += array( &#039;space-between&#039; =&gt; &#039;space-between&#039; );
			$vertical_alignment_options += array( &#039;stretch&#039; =&gt; &#039;stretch&#039; );
		} else {
			$justify_content_options    += array( &#039;stretch&#039; =&gt; &#039;stretch&#039; );
			$vertical_alignment_options += array( &#039;space-between&#039; =&gt; &#039;space-between&#039; );
		}

		if ( ! empty( $layout[&#039;flexWrap&#039;] ) &amp;&amp; &#039;nowrap&#039; === $layout[&#039;flexWrap&#039;] ) {
			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; $selector,
				&#039;declarations&#039; =&gt; array( &#039;flex-wrap&#039; =&gt; &#039;nowrap&#039; ),
			);
		}

		if ( $has_block_gap_support &amp;&amp; isset( $gap_value ) ) {
			$combined_gap_value = &#039;&#039;;
			$gap_sides          = is_array( $gap_value ) ? array( &#039;top&#039;, &#039;left&#039; ) : array( &#039;top&#039; );

			foreach ( $gap_sides as $gap_side ) {
				$process_value = $gap_value;
				if ( is_array( $gap_value ) ) {
					$process_value = isset( $gap_value[ $gap_side ] ) ? $gap_value[ $gap_side ] : $fallback_gap_value;
				}
				// Get spacing CSS variable from preset value if provided.
				if ( is_string( $process_value ) &amp;&amp; str_contains( $process_value, &#039;var:preset|spacing|&#039; ) ) {
					$index_to_splice = strrpos( $process_value, &#039;|&#039; ) + 1;
					$slug            = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
					$process_value   = &quot;var(--wp--preset--spacing--$slug)&quot;;
				}
				$combined_gap_value .= &quot;$process_value &quot;;
			}
			$gap_value = trim( $combined_gap_value );

			if ( null !== $gap_value &amp;&amp; ! $should_skip_gap_serialization ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;gap&#039; =&gt; $gap_value ),
				);
			}
		}

		if ( &#039;horizontal&#039; === $layout_orientation ) {
			/*
			 * Add this style only if is not empty for backwards compatibility,
			 * since we intend to convert blocks that had flex layout implemented
			 * by custom css.
			 */
			if ( ! empty( $layout[&#039;justifyContent&#039;] ) &amp;&amp; array_key_exists( $layout[&#039;justifyContent&#039;], $justify_content_options ) ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;justify-content&#039; =&gt; $justify_content_options[ $layout[&#039;justifyContent&#039;] ] ),
				);
			}

			if ( ! empty( $layout[&#039;verticalAlignment&#039;] ) &amp;&amp; array_key_exists( $layout[&#039;verticalAlignment&#039;], $vertical_alignment_options ) ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;align-items&#039; =&gt; $vertical_alignment_options[ $layout[&#039;verticalAlignment&#039;] ] ),
				);
			}
		} else {
			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; $selector,
				&#039;declarations&#039; =&gt; array( &#039;flex-direction&#039; =&gt; &#039;column&#039; ),
			);
			if ( ! empty( $layout[&#039;justifyContent&#039;] ) &amp;&amp; array_key_exists( $layout[&#039;justifyContent&#039;], $justify_content_options ) ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;align-items&#039; =&gt; $justify_content_options[ $layout[&#039;justifyContent&#039;] ] ),
				);
			} else {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;align-items&#039; =&gt; &#039;flex-start&#039; ),
				);
			}
			if ( ! empty( $layout[&#039;verticalAlignment&#039;] ) &amp;&amp; array_key_exists( $layout[&#039;verticalAlignment&#039;], $vertical_alignment_options ) ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;justify-content&#039; =&gt; $vertical_alignment_options[ $layout[&#039;verticalAlignment&#039;] ] ),
				);
			}
		}
	} elseif ( &#039;grid&#039; === $layout_type ) {
		if ( ! empty( $layout[&#039;columnCount&#039;] ) ) {
			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; $selector,
				&#039;declarations&#039; =&gt; array( &#039;grid-template-columns&#039; =&gt; &#039;repeat(&#039; . $layout[&#039;columnCount&#039;] . &#039;, minmax(0, 1fr))&#039; ),
			);
		} else {
			$minimum_column_width = ! empty( $layout[&#039;minimumColumnWidth&#039;] ) ? $layout[&#039;minimumColumnWidth&#039;] : &#039;12rem&#039;;

			$layout_styles[] = array(
				&#039;selector&#039;     =&gt; $selector,
				&#039;declarations&#039; =&gt; array(
					&#039;grid-template-columns&#039; =&gt; &#039;repeat(auto-fill, minmax(min(&#039; . $minimum_column_width . &#039;, 100%), 1fr))&#039;,
					&#039;container-type&#039;        =&gt; &#039;inline-size&#039;,
				),
			);
		}

		if ( $has_block_gap_support &amp;&amp; isset( $gap_value ) ) {
			$combined_gap_value = &#039;&#039;;
			$gap_sides          = is_array( $gap_value ) ? array( &#039;top&#039;, &#039;left&#039; ) : array( &#039;top&#039; );

			foreach ( $gap_sides as $gap_side ) {
				$process_value = $gap_value;
				if ( is_array( $gap_value ) ) {
					$process_value = isset( $gap_value[ $gap_side ] ) ? $gap_value[ $gap_side ] : $fallback_gap_value;
				}
				// Get spacing CSS variable from preset value if provided.
				if ( is_string( $process_value ) &amp;&amp; str_contains( $process_value, &#039;var:preset|spacing|&#039; ) ) {
					$index_to_splice = strrpos( $process_value, &#039;|&#039; ) + 1;
					$slug            = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
					$process_value   = &quot;var(--wp--preset--spacing--$slug)&quot;;
				}
				$combined_gap_value .= &quot;$process_value &quot;;
			}
			$gap_value = trim( $combined_gap_value );

			if ( null !== $gap_value &amp;&amp; ! $should_skip_gap_serialization ) {
				$layout_styles[] = array(
					&#039;selector&#039;     =&gt; $selector,
					&#039;declarations&#039; =&gt; array( &#039;gap&#039; =&gt; $gap_value ),
				);
			}
		}
	}

	if ( ! empty( $layout_styles ) ) {
		/*
		 * Add to the style engine store to enqueue and render layout styles.
		 * Return compiled layout styles to retain backwards compatibility.
		 * Since https://github.com/WordPress/gutenberg/pull/42452,
		 * wp_enqueue_block_support_styles is no longer called in this block supports file.
		 */
		return wp_style_engine_get_stylesheet_from_css_rules(
			$layout_styles,
			array(
				&#039;context&#039;  =&gt; &#039;block-supports&#039;,
				&#039;prettify&#039; =&gt; false,
			)
		);
	}

	return &#039;&#039;;
}

/**
 * Renders the layout config to the block wrapper.
 *
 * @since 5.8.0
 * @since 6.3.0 Adds compound class to layout wrapper for global spacing styles.
 * @since 6.3.0 Check for layout support via the `layout` key with fallback to `__experimentalLayout`.
 * @since 6.6.0 Removed duplicate container class from layout styles.
 * @access private
 *
 * @param string $block_content Rendered block content.
 * @param array  $block         Block object.
 * @return string Filtered block content.
 */
function wp_render_layout_support_flag( $block_content, $block ) {
	$block_type            = WP_Block_Type_Registry::get_instance()-&gt;get_registered( $block[&#039;blockName&#039;] );
	$block_supports_layout = block_has_support( $block_type, &#039;layout&#039;, false ) || block_has_support( $block_type, &#039;__experimentalLayout&#039;, false );
	$child_layout          = isset( $block[&#039;attrs&#039;][&#039;style&#039;][&#039;layout&#039;] ) ? $block[&#039;attrs&#039;][&#039;style&#039;][&#039;layout&#039;] : null;

	if ( ! $block_supports_layout &amp;&amp; ! $child_layout ) {
		return $block_content;
	}

	$outer_class_names = array();

	// Child layout specific logic.
	if ( $child_layout ) {
		/*
		 * Generates a unique class for child block layout styles.
		 *
		 * To ensure consistent class generation across different page renders,
		 * only properties that affect layout styling are used. These properties
		 * come from `$block[&#039;attrs&#039;][&#039;style&#039;][&#039;layout&#039;]` and `$block[&#039;parentLayout&#039;]`.
		 *
		 * As long as these properties coincide, the generated class will be the same.
		 */
		$container_content_class = wp_unique_id_from_values(
			array(
				&#039;layout&#039;       =&gt; array_intersect_key(
					$block[&#039;attrs&#039;][&#039;style&#039;][&#039;layout&#039;] ?? array(),
					array_flip(
						array( &#039;selfStretch&#039;, &#039;flexSize&#039;, &#039;columnStart&#039;, &#039;columnSpan&#039;, &#039;rowStart&#039;, &#039;rowSpan&#039; )
					)
				),
				&#039;parentLayout&#039; =&gt; array_intersect_key(
					$block[&#039;parentLayout&#039;] ?? array(),
					array_flip(
						array( &#039;minimumColumnWidth&#039;, &#039;columnCount&#039; )
					)
				),
			),
			&#039;wp-container-content-&#039;
		);

		$child_layout_declarations = array();
		$child_layout_styles       = array();

		$self_stretch = isset( $child_layout[&#039;selfStretch&#039;] ) ? $child_layout[&#039;selfStretch&#039;] : null;

		if ( &#039;fixed&#039; === $self_stretch &amp;&amp; isset( $child_layout[&#039;flexSize&#039;] ) ) {
			$child_layout_declarations[&#039;flex-basis&#039;] = $child_layout[&#039;flexSize&#039;];
			$child_layout_declarations[&#039;box-sizing&#039;] = &#039;border-box&#039;;
		} elseif ( &#039;fill&#039; === $self_stretch ) {
			$child_layout_declarations[&#039;flex-grow&#039;] = &#039;1&#039;;
		}

		if ( isset( $child_layout[&#039;columnSpan&#039;] ) ) {
			$column_span                              = $child_layout[&#039;columnSpan&#039;];
			$child_layout_declarations[&#039;grid-column&#039;] = &quot;span $column_span&quot;;
		}
		if ( isset( $child_layout[&#039;rowSpan&#039;] ) ) {
			$row_span                              = $child_layout[&#039;rowSpan&#039;];
			$child_layout_declarations[&#039;grid-row&#039;] = &quot;span $row_span&quot;;
		}
		$child_layout_styles[] = array(
			&#039;selector&#039;     =&gt; &quot;.$container_content_class&quot;,
			&#039;declarations&#039; =&gt; $child_layout_declarations,
		);

		/*
		 * If columnSpan is set, and the parent grid is responsive, i.e. if it has a minimumColumnWidth set,
		 * the columnSpan should be removed on small grids. If there&#039;s a minimumColumnWidth, the grid is responsive.
		 * But if the minimumColumnWidth value wasn&#039;t changed, it won&#039;t be set. In that case, if columnCount doesn&#039;t
		 * exist, we can assume that the grid is responsive.
		 */
		if ( isset( $child_layout[&#039;columnSpan&#039;] ) &amp;&amp; ( isset( $block[&#039;parentLayout&#039;][&#039;minimumColumnWidth&#039;] ) || ! isset( $block[&#039;parentLayout&#039;][&#039;columnCount&#039;] ) ) ) {
			$column_span_number  = floatval( $child_layout[&#039;columnSpan&#039;] );
			$parent_column_width = isset( $block[&#039;parentLayout&#039;][&#039;minimumColumnWidth&#039;] ) ? $block[&#039;parentLayout&#039;][&#039;minimumColumnWidth&#039;] : &#039;12rem&#039;;
			$parent_column_value = floatval( $parent_column_width );
			$parent_column_unit  = explode( $parent_column_value, $parent_column_width );

			/*
			 * If there is no unit, the width has somehow been mangled so we reset both unit and value
			 * to defaults.
			 * Additionally, the unit should be one of px, rem or em, so that also needs to be checked.
			 */
			if ( count( $parent_column_unit ) &lt;= 1 ) {
				$parent_column_unit  = &#039;rem&#039;;
				$parent_column_value = 12;
			} else {
				$parent_column_unit = $parent_column_unit[1];

				if ( ! in_array( $parent_column_unit, array( &#039;px&#039;, &#039;rem&#039;, &#039;em&#039; ), true ) ) {
					$parent_column_unit = &#039;rem&#039;;
				}
			}

			/*
			 * A default gap value is used for this computation because custom gap values may not be
			 * viable to use in the computation of the container query value.
			 */
			$default_gap_value     = &#039;px&#039; === $parent_column_unit ? 24 : 1.5;
			$container_query_value = $column_span_number * $parent_column_value + ( $column_span_number - 1 ) * $default_gap_value;
			$container_query_value = $container_query_value . $parent_column_unit;

			$child_layout_styles[] = array(
				&#039;rules_group&#039;  =&gt; &quot;@container (max-width: $container_query_value )&quot;,
				&#039;selector&#039;     =&gt; &quot;.$container_content_class&quot;,
				&#039;declarations&#039; =&gt; array(
					&#039;grid-column&#039; =&gt; &#039;1/-1&#039;,
				),
			);
		}

		/*
		 * Add to the style engine store to enqueue and render layout styles.
		 * Return styles here just to check if any exist.
		 */
		$child_css = wp_style_engine_get_stylesheet_from_css_rules(
			$child_layout_styles,
			array(
				&#039;context&#039;  =&gt; &#039;block-supports&#039;,
				&#039;prettify&#039; =&gt; false,
			)
		);

		if ( $child_css ) {
			$outer_class_names[] = $container_content_class;
		}
	}

	// Prep the processor for modifying the block output.
	$processor = new WP_HTML_Tag_Processor( $block_content );

	// Having no tags implies there are no tags onto which to add class names.
	if ( ! $processor-&gt;next_tag() ) {
		return $block_content;
	}

	/*
	 * A block may not support layout but still be affected by a parent block&#039;s layout.
	 *
	 * In these cases add the appropriate class names and then return early; there&#039;s
	 * no need to investigate on this block whether additional layout constraints apply.
	 */
	if ( ! $block_supports_layout &amp;&amp; ! empty( $outer_class_names ) ) {
		foreach ( $outer_class_names as $class_name ) {
			$processor-&gt;add_class( $class_name );
		}
		return $processor-&gt;get_updated_html();
	} elseif ( ! $block_supports_layout ) {
		// Ensure layout classnames are not injected if there is no layout support.
		return $block_content;
	}

	$global_settings = wp_get_global_settings();
	$fallback_layout = isset( $block_type-&gt;supports[&#039;layout&#039;][&#039;default&#039;] )
		? $block_type-&gt;supports[&#039;layout&#039;][&#039;default&#039;]
		: array();
	if ( empty( $fallback_layout ) ) {
		$fallback_layout = isset( $block_type-&gt;supports[&#039;__experimentalLayout&#039;][&#039;default&#039;] )
			? $block_type-&gt;supports[&#039;__experimentalLayout&#039;][&#039;default&#039;]
			: array();
	}
	$used_layout = isset( $block[&#039;attrs&#039;][&#039;layout&#039;] ) ? $block[&#039;attrs&#039;][&#039;layout&#039;] : $fallback_layout;

	$class_names        = array();
	$layout_definitions = wp_get_layout_definitions();

	// Set the correct layout type for blocks using legacy content width.
	if ( isset( $used_layout[&#039;inherit&#039;] ) &amp;&amp; $used_layout[&#039;inherit&#039;] || isset( $used_layout[&#039;contentSize&#039;] ) &amp;&amp; $used_layout[&#039;contentSize&#039;] ) {
		$used_layout[&#039;type&#039;] = &#039;constrained&#039;;
	}

	$root_padding_aware_alignments = isset( $global_settings[&#039;useRootPaddingAwareAlignments&#039;] )
		? $global_settings[&#039;useRootPaddingAwareAlignments&#039;]
		: false;

	if (
		$root_padding_aware_alignments &amp;&amp;
		isset( $used_layout[&#039;type&#039;] ) &amp;&amp;
		&#039;constrained&#039; === $used_layout[&#039;type&#039;]
	) {
		$class_names[] = &#039;has-global-padding&#039;;
	}

	/*
	 * The following section was added to reintroduce a small set of layout classnames that were
	 * removed in the 5.9 release (https://github.com/WordPress/gutenberg/issues/38719). It is
	 * not intended to provide an extended set of classes to match all block layout attributes
	 * here.
	 */
	if ( ! empty( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;orientation&#039;] ) ) {
		$class_names[] = &#039;is-&#039; . sanitize_title( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;orientation&#039;] );
	}

	if ( ! empty( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;justifyContent&#039;] ) ) {
		$class_names[] = &#039;is-content-justification-&#039; . sanitize_title( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;justifyContent&#039;] );
	}

	if ( ! empty( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;flexWrap&#039;] ) &amp;&amp; &#039;nowrap&#039; === $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;flexWrap&#039;] ) {
		$class_names[] = &#039;is-nowrap&#039;;
	}

	// Get classname for layout type.
	if ( isset( $used_layout[&#039;type&#039;] ) ) {
		$layout_classname = isset( $layout_definitions[ $used_layout[&#039;type&#039;] ][&#039;className&#039;] )
			? $layout_definitions[ $used_layout[&#039;type&#039;] ][&#039;className&#039;]
			: &#039;&#039;;
	} else {
		$layout_classname = isset( $layout_definitions[&#039;default&#039;][&#039;className&#039;] )
			? $layout_definitions[&#039;default&#039;][&#039;className&#039;]
			: &#039;&#039;;
	}

	if ( $layout_classname &amp;&amp; is_string( $layout_classname ) ) {
		$class_names[] = sanitize_title( $layout_classname );
	}

	/*
	 * Only generate Layout styles if the theme has not opted-out.
	 * Attribute-based Layout classnames are output in all cases.
	 */
	if ( ! current_theme_supports( &#039;disable-layout-styles&#039; ) ) {

		$gap_value = isset( $block[&#039;attrs&#039;][&#039;style&#039;][&#039;spacing&#039;][&#039;blockGap&#039;] )
			? $block[&#039;attrs&#039;][&#039;style&#039;][&#039;spacing&#039;][&#039;blockGap&#039;]
			: null;
		/*
		 * Skip if gap value contains unsupported characters.
		 * Regex for CSS value borrowed from `safecss_filter_attr`, and used here
		 * to only match against the value, not the CSS attribute.
		 */
		if ( is_array( $gap_value ) ) {
			foreach ( $gap_value as $key =&gt; $value ) {
				$gap_value[ $key ] = $value &amp;&amp; preg_match( &#039;%[\\\(&amp;=}]|/\*%&#039;, $value ) ? null : $value;
			}
		} else {
			$gap_value = $gap_value &amp;&amp; preg_match( &#039;%[\\\(&amp;=}]|/\*%&#039;, $gap_value ) ? null : $gap_value;
		}

		$fallback_gap_value = isset( $block_type-&gt;supports[&#039;spacing&#039;][&#039;blockGap&#039;][&#039;__experimentalDefault&#039;] )
			? $block_type-&gt;supports[&#039;spacing&#039;][&#039;blockGap&#039;][&#039;__experimentalDefault&#039;]
			: &#039;0.5em&#039;;
		$block_spacing      = isset( $block[&#039;attrs&#039;][&#039;style&#039;][&#039;spacing&#039;] )
			? $block[&#039;attrs&#039;][&#039;style&#039;][&#039;spacing&#039;]
			: null;

		/*
		 * If a block&#039;s block.json skips serialization for spacing or spacing.blockGap,
		 * don&#039;t apply the user-defined value to the styles.
		 */
		$should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, &#039;spacing&#039;, &#039;blockGap&#039; );

		$block_gap             = isset( $global_settings[&#039;spacing&#039;][&#039;blockGap&#039;] )
			? $global_settings[&#039;spacing&#039;][&#039;blockGap&#039;]
			: null;
		$has_block_gap_support = isset( $block_gap );

		/*
		 * Generates a unique ID based on all the data required to obtain the
		 * corresponding layout style. Keeps the CSS class names the same
		 * even for different blocks on different places, as long as they have
		 * the same layout definition. Makes the CSS class names stable across
		 * paginations for features like the enhanced pagination of the Query block.
		 */
		$container_class = wp_unique_id_from_values(
			array(
				$used_layout,
				$has_block_gap_support,
				$gap_value,
				$should_skip_gap_serialization,
				$fallback_gap_value,
				$block_spacing,
			),
			&#039;wp-container-&#039; . sanitize_title( $block[&#039;blockName&#039;] ) . &#039;-is-layout-&#039;
		);

		$style = wp_get_layout_style(
			&quot;.$container_class&quot;,
			$used_layout,
			$has_block_gap_support,
			$gap_value,
			$should_skip_gap_serialization,
			$fallback_gap_value,
			$block_spacing
		);

		// Only add container class and enqueue block support styles if unique styles were generated.
		if ( ! empty( $style ) ) {
			$class_names[] = $container_class;
		}
	}

	// Add combined layout and block classname for global styles to hook onto.
	$block_name    = explode( &#039;/&#039;, $block[&#039;blockName&#039;] );
	$class_names[] = &#039;wp-block-&#039; . end( $block_name ) . &#039;-&#039; . $layout_classname;

	// Add classes to the outermost HTML tag if necessary.
	if ( ! empty( $outer_class_names ) ) {
		foreach ( $outer_class_names as $outer_class_name ) {
			$processor-&gt;add_class( $outer_class_name );
		}
	}

	/**
	 * Attempts to refer to the inner-block wrapping element by its class attribute.
	 *
	 * When examining a block&#039;s inner content, if a block has inner blocks, then
	 * the first content item will likely be a text (HTML) chunk immediately
	 * preceding the inner blocks. The last HTML tag in that chunk would then be
	 * an opening tag for an element that wraps the inner blocks.
	 *
	 * There&#039;s no reliable way to associate this wrapper in $block_content because
	 * it may have changed during the rendering pipeline (as inner contents is
	 * provided before rendering) and through previous filters. In many cases,
	 * however, the `class` attribute will be a good-enough identifier, so this
	 * code finds the last tag in that chunk and stores the `class` attribute
	 * so that it can be used later when working through the rendered block output
	 * to identify the wrapping element and add the remaining class names to it.
	 *
	 * It&#039;s also possible that no inner block wrapper even exists. If that&#039;s the
	 * case this code could apply the class names to an invalid element.
	 *
	 * Example:
	 *
	 *     $block[&#039;innerBlocks&#039;]  = array( $list_item );
	 *     $block[&#039;innerContent&#039;] = array( &#039;&lt;ul class=&quot;list-wrapper is-unordered&quot;&gt;&#039;, null, &#039;&lt;/ul&gt;&#039; );
	 *
	 *     // After rendering, the initial contents may have been modified by other renderers or filters.
	 *     $block_content = &lt;&lt;&lt;HTML
	 *         &lt;figure&gt;
	 *             &lt;ul class=&quot;annotated-list list-wrapper is-unordered&quot;&gt;
	 *                 &lt;li&gt;Code&lt;/li&gt;
	 *             &lt;/ul&gt;&lt;figcaption&gt;It&#039;s a list!&lt;/figcaption&gt;
	 *         &lt;/figure&gt;
	 *     HTML;
	 *
	 * Although it is possible that the original block-wrapper classes are changed in $block_content
	 * from how they appear in $block[&#039;innerContent&#039;], it&#039;s likely that the original class attributes
	 * are still present in the wrapper as they are in this example. Frequently, additional classes
	 * will also be present; rarely should classes be removed.
	 *
	 * @todo Find a better way to match the first inner block. If it&#039;s possible to identify where the
	 *       first inner block starts, then it will be possible to find the last tag before it starts
	 *       and then that tag, if an opening tag, can be solidly identified as a wrapping element.
	 *       Can some unique value or class or ID be added to the inner blocks when they process
	 *       so that they can be extracted here safely without guessing? Can the block rendering function
	 *       return information about where the rendered inner blocks start?
	 *
	 * @var string|null
	 */
	$inner_block_wrapper_classes = null;
	$first_chunk                 = isset( $block[&#039;innerContent&#039;][0] ) ? $block[&#039;innerContent&#039;][0] : null;
	if ( is_string( $first_chunk ) &amp;&amp; count( $block[&#039;innerContent&#039;] ) &gt; 1 ) {
		$first_chunk_processor = new WP_HTML_Tag_Processor( $first_chunk );
		while ( $first_chunk_processor-&gt;next_tag() ) {
			$class_attribute = $first_chunk_processor-&gt;get_attribute( &#039;class&#039; );
			if ( is_string( $class_attribute ) &amp;&amp; ! empty( $class_attribute ) ) {
				$inner_block_wrapper_classes = $class_attribute;
			}
		}
	}

	/*
	 * If necessary, advance to what is likely to be an inner block wrapper tag.
	 *
	 * This advances until it finds the first tag containing the original class
	 * attribute from above. If none is found it will scan to the end of the block
	 * and fail to add any class names.
	 *
	 * If there is no block wrapper it won&#039;t advance at all, in which case the
	 * class names will be added to the first and outermost tag of the block.
	 * For cases where this outermost tag is the only tag surrounding inner
	 * blocks then the outer wrapper and inner wrapper are the same.
	 */
	do {
		if ( ! $inner_block_wrapper_classes ) {
			break;
		}

		$class_attribute = $processor-&gt;get_attribute( &#039;class&#039; );
		if ( is_string( $class_attribute ) &amp;&amp; str_contains( $class_attribute, $inner_block_wrapper_classes ) ) {
			break;
		}
	} while ( $processor-&gt;next_tag() );

	// Add the remaining class names.
	foreach ( $class_names as $class_name ) {
		$processor-&gt;add_class( $class_name );
	}

	return $processor-&gt;get_updated_html();
}

/**
 * Check if the parent block exists and if it has a layout attribute.
 * If it does, add the parent layout to the parsed block
 *
 * @since 6.6.0
 * @access private
 *
 * @param array    $parsed_block The parsed block.
 * @param array    $source_block The source block.
 * @param WP_Block $parent_block The parent block.
 * @return array The parsed block with parent layout attribute if it exists.
 */
function wp_add_parent_layout_to_parsed_block( $parsed_block, $source_block, $parent_block ) {
	if ( $parent_block &amp;&amp; isset( $parent_block-&gt;parsed_block[&#039;attrs&#039;][&#039;layout&#039;] ) ) {
		$parsed_block[&#039;parentLayout&#039;] = $parent_block-&gt;parsed_block[&#039;attrs&#039;][&#039;layout&#039;];
	}
	return $parsed_block;
}

add_filter( &#039;render_block_data&#039;, &#039;wp_add_parent_layout_to_parsed_block&#039;, 10, 3 );

// Register the block support.
WP_Block_Supports::get_instance()-&gt;register(
	&#039;layout&#039;,
	array(
		&#039;register_attribute&#039; =&gt; &#039;wp_register_layout_support&#039;,
	)
);
add_filter( &#039;render_block&#039;, &#039;wp_render_layout_support_flag&#039;, 10, 2 );

/**
 * For themes without theme.json file, make sure
 * to restore the inner div for the group block
 * to avoid breaking styles relying on that div.
 *
 * @since 5.8.0
 * @since 6.6.1 Removed inner container from Grid variations.
 * @access private
 *
 * @param string $block_content Rendered block content.
 * @param array  $block         Block object.
 * @return string Filtered block content.
 */
function wp_restore_group_inner_container( $block_content, $block ) {
	$tag_name                         = isset( $block[&#039;attrs&#039;][&#039;tagName&#039;] ) ? $block[&#039;attrs&#039;][&#039;tagName&#039;] : &#039;div&#039;;
	$group_with_inner_container_regex = sprintf(
		&#039;/(^\s*&lt;%1$s\b[^&gt;]*wp-block-group(\s|&quot;)[^&gt;]*&gt;)(\s*&lt;div\b[^&gt;]*wp-block-group__inner-container(\s|&quot;)[^&gt;]*&gt;)((.|\S|\s)*)/U&#039;,
		preg_quote( $tag_name, &#039;/&#039; )
	);

	if (
		wp_theme_has_theme_json() ||
		1 === preg_match( $group_with_inner_container_regex, $block_content ) ||
		( isset( $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;type&#039;] ) &amp;&amp; ( &#039;flex&#039; === $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;type&#039;] || &#039;grid&#039; === $block[&#039;attrs&#039;][&#039;layout&#039;][&#039;type&#039;] ) )
	) {
		return $block_content;
	}

	/*
	 * This filter runs after the layout classnames have been added to the block, so they
	 * have to be removed from the outer wrapper and then added to the inner.
	 */
	$layout_classes = array();
	$processor      = new WP_HTML_Tag_Processor( $block_content );

	if ( $processor-&gt;next_tag( array( &#039;class_name&#039; =&gt; &#039;wp-block-group&#039; ) ) ) {
		foreach ( $processor-&gt;class_list() as $class_name ) {
			if ( str_contains( $class_name, &#039;is-layout-&#039; ) ) {
				$layout_classes[] = $class_name;
				$processor-&gt;remove_class( $class_name );
			}
		}
	}

	$content_without_layout_classes = $processor-&gt;get_updated_html();
	$replace_regex                  = sprintf(
		&#039;/(^\s*&lt;%1$s\b[^&gt;]*wp-block-group[^&gt;]*&gt;)(.*)(&lt;\/%1$s&gt;\s*$)/ms&#039;,
		preg_quote( $tag_name, &#039;/&#039; )
	);
	$updated_content                = preg_replace_callback(
		$replace_regex,
		static function ( $matches ) {
			return $matches[1] . &#039;&lt;div class=&quot;wp-block-group__inner-container&quot;&gt;&#039; . $matches[2] . &#039;&lt;/div&gt;&#039; . $matches[3];
		},
		$content_without_layout_classes
	);

	// Add layout classes to inner wrapper.
	if ( ! empty( $layout_classes ) ) {
		$processor = new WP_HTML_Tag_Processor( $updated_content );
		if ( $processor-&gt;next_tag( array( &#039;class_name&#039; =&gt; &#039;wp-block-group__inner-container&#039; ) ) ) {
			foreach ( $layout_classes as $class_name ) {
				$processor-&gt;add_class( $class_name );
			}
		}
		$updated_content = $processor-&gt;get_updated_html();
	}
	return $updated_content;
}

add_filter( &#039;render_block_core/group&#039;, &#039;wp_restore_group_inner_container&#039;, 10, 2 );

/**
 * For themes without theme.json file, make sure
 * to restore the outer div for the aligned image block
 * to avoid breaking styles relying on that div.
 *
 * @since 6.0.0
 * @access private
 *
 * @param string $block_content Rendered block content.
 * @param  array  $block        Block object.
 * @return string Filtered block content.
 */
function wp_restore_image_outer_container( $block_content, $block ) {
	$image_with_align = &quot;
/# 1) everything up to the class attribute contents
(
	^\s*
	&lt;figure\b
	[^&gt;]*
	\bclass=
	[\&quot;&#039;]
)
# 2) the class attribute contents
(
	[^\&quot;&#039;]*
	\bwp-block-image\b
	[^\&quot;&#039;]*
	\b(?:alignleft|alignright|aligncenter)\b
	[^\&quot;&#039;]*
)
# 3) everything after the class attribute contents
(
	[\&quot;&#039;]
	[^&gt;]*
	&gt;
	.*
	&lt;\/figure&gt;
)/iUx&quot;;

	if (
		wp_theme_has_theme_json() ||
		0 === preg_match( $image_with_align, $block_content, $matches )
	) {
		return $block_content;
	}

	$wrapper_classnames = array( &#039;wp-block-image&#039; );

	// If the block has a classNames attribute these classnames need to be removed from the content and added back
	// to the new wrapper div also.
	if ( ! empty( $block[&#039;attrs&#039;][&#039;className&#039;] ) ) {
		$wrapper_classnames = array_merge( $wrapper_classnames, explode( &#039; &#039;, $block[&#039;attrs&#039;][&#039;className&#039;] ) );
	}
	$content_classnames          = explode( &#039; &#039;, $matches[2] );
	$filtered_content_classnames = array_diff( $content_classnames, $wrapper_classnames );

	return &#039;&lt;div class=&quot;&#039; . implode( &#039; &#039;, $wrapper_classnames ) . &#039;&quot;&gt;&#039; . $matches[1] . implode( &#039; &#039;, $filtered_content_classnames ) . $matches[3] . &#039;&lt;/div&gt;&#039;;
}

add_filter( &#039;render_block_core/image&#039;, &#039;wp_restore_image_outer_container&#039;, 10, 2 );
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