wp-includes/interactivity-api/class-wp-interactivity-api.php:910Processes the data-wp-style directive.
$pWP_Interactivity_API_Directives_Processor$modestring private function data_wp_style_processor( WP_Interactivity_API_Directives_Processor $p, string $mode ) { if ( 'enter' === $mode ) { $all_style_attributes = $p->get_attribute_names_with_prefix( 'data-wp-style--' ); foreach ( $all_style_attributes as $attribute_name ) { list( , $style_property ) = $this->extract_prefix_and_suffix( $attribute_name ); if ( empty( $style_property ) ) { continue; } $directive_attribute_value = $p->get_attribute( $attribute_name ); $style_property_value = $this->evaluate( $directive_attribute_value ); $style_attribute_value = $p->get_attribute( 'style' ); $style_attribute_value = ( $style_attribute_value && ! is_bool( $style_attribute_value ) ) ? $style_attribute_value : ''; /* * Checks first if the style property is not falsy and the style * attribute value is not empty because if it is, it doesn't need to * update the attribute value. */ if ( $style_property_value || $style_attribute_value ) { $style_attribute_value = $this->merge_style_property( $style_attribute_value, $style_property, $style_property_value ); /* * If the style attribute value is not empty, it sets it. Otherwise, * it removes it. */ if ( ! empty( $style_attribute_value ) ) { $p->set_attribute( 'style', $style_attribute_value ); } else { $p->remove_attribute( 'style' ); } } } } }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/interactivity-api/class-wp-interactivity-api.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.