Formatting: Check that both `normalizer_*` functions exist in `remove_accents()`.

This applies to:
* `normalizer_is_normalized()`
* `normalizer_normalize()`

Includes removing the `Normalizer::FORM_C` constant as a parameter, since it is the default value for both functions and does not need to be explicitly passed. This avoids a fatal error if a plugin includes polyfill for any of the functions but the `Normalizer` class has a different namespace, for example when using the Symfony polyfill.

Follow-up to [53754].

Props hellofromTonya, costdev, desrosj, mukesh27, zodiac1978, jchambo, gisgeo, SergeyBiryukov.
Fixes #56980.
Built from https://develop.svn.wordpress.org/trunk@54813


git-svn-id: http://core.svn.wordpress.org/trunk@54365 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/formatting.php

@@ -1601,9 +1601,11 @@ function remove_accents( $string, $locale = '' ) {
 
 		// 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_is_normalized' )
+			&& function_exists( 'normalizer_normalize' )
+		) {
+			if ( ! normalizer_is_normalized( $string ) ) {
+				$string = normalizer_normalize( $string );
 			}
 		}
 

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-54811';
+$wp_version = '6.2-alpha-54813';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.