Ticket #56980: 56980.3.diff

src/wp-includes/formatting.php

@@ -1601 +1601 @@
 
                 // Unicode sequence normalization from NFD (Normalization Form Decomposed)
                 // to NFC (Normalization Form [Pre]Composed), the encoding used in this function.
-                if ( function_exists( 'normalizer_normalize' ) ) {
-                        if ( ! normalizer_is_normalized( $string, Normalizer::FORM_C ) ) {
-                                $string = normalizer_normalize( $string, Normalizer::FORM_C );
+                if ( function_exists( 'normalizer_normalize' ) && function_exists( 'normalizer_is_normalized' ) ) {
+                        if ( ! normalizer_is_normalized( $string ) ) {
+                                $string = normalizer_normalize( $string );
                         }
                 }