wp-includes/style-engine/class-wp-style-engine-css-declarations.php:163Filters and compiles the CSS declarations.
$should_prettifybooloptionalfalse$indent_countintoptional0string public function get_declarations_string( $should_prettify = false, $indent_count = 0 ) { $declarations_array = $this->get_declarations(); $declarations_output = ''; $indent = $should_prettify ? str_repeat( "\t", $indent_count ) : ''; $suffix = $should_prettify ? ' ' : ''; $suffix = $should_prettify && $indent_count > 0 ? "\n" : $suffix; $spacer = $should_prettify ? ' ' : ''; foreach ( $declarations_array as $property => $value ) { $filtered_declaration = static::filter_declaration( $property, $value, $spacer ); if ( $filtered_declaration ) { $declarations_output .= "{$indent}{$filtered_declaration};$suffix"; } } return rtrim( $declarations_output ); }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/style-engine/class-wp-style-engine-css-declarations.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.