Merge pull request #220 from Yoast/JRF/modernize-null-coalesce

Modernize: use null coalesce

Author: jrfnl

src/domain-dropdown.php

@@ -130,7 +130,7 @@ private function replace_domain( $domain, $url, $headers ) {
 		}
 
 		if ( $url_host === 'my.yoast.com' ) {
-			$host = isset( $headers['Host'] ) ? $headers['Host'] : $new_host;
+			$host = ( $headers['Host'] ?? $new_host );
 			$url  = \str_replace( 'https://' . $url_host, $domain, $url );
 		}
 

src/option.php

@@ -39,7 +39,7 @@ public function __construct( $option_name = 'yoast_test_helper' ) {
 	 * @return mixed|null The content of the retrieved key.
 	 */
 	public function get( $key ) {
-		return isset( $this->options[ $key ] ) ? $this->options[ $key ] : null;
+		return ( $this->options[ $key ] ?? null );
 	}
 
 	/**