Conditionally use SHA-256 or MD5 for Gravatar hashing depending on su…

…pport.
WordPress · Jan 7, 2025 · 8a50627 · 8a50627
1 parent 2bab211
commit 8a50627
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
@@ -4534,7 +4534,11 @@ function get_avatar_data( $id_or_email, $args = null ) {
 		}
 
 		if ( $email ) {
-			$email_hash = hash( 'sha256', strtolower( trim( $email ) ) );
+			if ( function_exists( 'hash' ) ) {
+				$email_hash = hash( 'sha256', strtolower( trim( $email ) ) );
+			} else {
+				$email_hash = md5( strtolower( trim( $email ) ) );
+			}
 		}
 	}