Adding upstream version 6.6.1+dfsg1.upstream/6.6.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 1 deletions

diff --git a/wp-includes/style-engine/class-wp-style-engine-processor.php b/wp-includes/style-engine/class-wp-style-engine-processor.php
index 0778748..d5e6c73 100644
--- a/wp-includes/style-engine/class-wp-style-engine-processor.php
+++ b/wp-includes/style-engine/class-wp-style-engine-processor.php
@@ -58,6 +58,7 @@ class WP_Style_Engine_Processor {
 	 * Adds rules to be processed.
 	 *
 	 * @since 6.1.0
+	 * @since 6.6.0 Added support for rules_group.
 	 *
 	 * @param WP_Style_Engine_CSS_Rule|WP_Style_Engine_CSS_Rule[] $css_rules A single, or an array of,
 	 *                                                                       WP_Style_Engine_CSS_Rule objects
@@ -70,7 +71,24 @@ class WP_Style_Engine_Processor {
 		}
 
 		foreach ( $css_rules as $rule ) {
-			$selector = $rule->get_selector();
+			$selector    = $rule->get_selector();
+			$rules_group = $rule->get_rules_group();
+
+			/**
+			 * If there is a rules_group and it already exists in the css_rules array,
+			 * add the rule to it.
+			 * Otherwise, create a new entry for the rules_group.
+			 */
+			if ( ! empty( $rules_group ) ) {
+				if ( isset( $this->css_rules[ "$rules_group $selector" ] ) ) {
+					$this->css_rules[ "$rules_group $selector" ]->add_declarations( $rule->get_declarations() );
+					continue;
+				}
+				$this->css_rules[ "$rules_group $selector" ] = $rule;
+				continue;
+			}
+
+			// If the selector already exists, add the declarations to it.
 			if ( isset( $this->css_rules[ $selector ] ) ) {
 				$this->css_rules[ $selector ]->add_declarations( $rule->get_declarations() );
 				continue;
@@ -117,6 +135,7 @@ class WP_Style_Engine_Processor {
 		// Build the CSS.
 		$css = '';
 		foreach ( $this->css_rules as $rule ) {
+			// See class WP_Style_Engine_CSS_Rule for the get_css method.
 			$css .= $rule->get_css( $options['prettify'] );
 			$css .= $options['prettify'] ? "\n" : '';
 		}