Optimization: don't check for the existence of $settings['typography'…

…]['fontFamilies']['theme'] on every iteration of the loop.

lib/experimental/fonts-api/class-wp-fonts-resolver.php

@@ -200,12 +200,12 @@ private static function get_settings() {
 			if ( $set_theme_structure ) {
 				$set_theme_structure = false;
 				$settings            = static::set_tyopgraphy_settings_array_structure( $settings );
-			}
 
-			// Initialize the font families from settings if set and is an array, otherwise default to an empty array.
-			$settings_font_families = ( isset( $settings['typography']['fontFamilies']['theme'] ) && is_array( $settings['typography']['fontFamilies']['theme'] ) )
-				? $settings['typography']['fontFamilies']['theme']
-				: array();
+				// Initialize the font families from settings if set and is an array, otherwise default to an empty array.
+				$settings['typography']['fontFamilies']['theme'] = ( isset( $settings['typography']['fontFamilies']['theme'] ) && is_array( $settings['typography']['fontFamilies']['theme'] ) )
+					? $settings['typography']['fontFamilies']['theme']
+					: array();
+			}
 
 			// Initialize the font families from variation if set and is an array, otherwise default to an empty array.
 			$variation_font_families = ( isset( $variation['settings']['typography']['fontFamilies']['theme'] ) && is_array( $variation['settings']['typography']['fontFamilies']['theme'] ) )
@@ -214,7 +214,7 @@ private static function get_settings() {
 
 			// Merge the variation settings with the global settings.
 			$settings['typography']['fontFamilies']['theme'] = array_merge(
-				$settings_font_families,
+				$settings['typography']['fontFamilies']['theme'],
 				$variation_font_families
 			);