wp-includes/blocks/search.php:300This generates a CSS rule for the given border property and side if provided.
$attributesarray$propertystring$sidestring$wrapper_stylesarray$button_stylesarray$input_stylesarrayfunction apply_block_core_search_border_style( $attributes, $property, $side, &$wrapper_styles, &$button_styles, &$input_styles ) { $is_button_inside = isset( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition']; $path = array( 'style', 'border', $property ); if ( $side ) { array_splice( $path, 2, 0, $side ); } $value = _wp_array_get( $attributes, $path, false ); if ( empty( $value ) ) { return; } if ( 'color' === $property && $side ) { $has_color_preset = str_contains( $value, 'var:preset|color|' ); if ( $has_color_preset ) { $named_color_value = substr( $value, strrpos( $value, '|' ) + 1 ); $value = sprintf( 'var(--wp--preset--color--%s)', $named_color_value ); } } $property_suffix = $side ? sprintf( '%s-%s', $side, $property ) : $property; if ( $is_button_inside ) { $wrapper_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); } else { $button_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); $input_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); }}Introduced in 6.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/search.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.