Use new function wp_get_word_count_type()

lib/experimental/l10n.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * PHP and WordPress configuration compatibility functions for the Gutenberg
+ * editor plugin changes related to i18n.
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Override core's wp_get_word_count_type() introduced in WordPress 6.2.
+ * Originally, get_word_count_type() method of the WP_Locale class is executed,
+ * but the process is simulated here.
+ *
+ * This function should not be backported to core.
+ */
+if ( ! function_exists( 'wp_get_word_count_type' ) ) {
+ /**
+ * Retrieves the word count type based on the locale.
+ *
+ * @return string Locale-specific word count type.
+ */
+ function wp_get_word_count_type() {
+ $word_count_type = _x( 'words', 'Word count type. Do not translate!', 'gutenberg' );
+
+ // Check for valid types.
+ if ( 'characters_excluding_spaces' !== $word_count_type && 'characters_including_spaces' !== $word_count_type ) {
+ // Defaults to 'words'.
+ $word_count_type = 'words';
+ }
+ return $word_count_type;
+ }
+}

lib/load.php

@@ -108,6 +108,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/experimental/navigation-theme-opt-in.php';
 require __DIR__ . '/experimental/kses.php';
 require __DIR__ . '/experimental/formatting.php';
+require __DIR__ . '/experimental/l10n.php';
 
 // Fonts API.
 if ( ! class_exists( 'WP_Fonts' ) ) {

packages/block-library/src/post-time-to-read/index.php

@@ -27,12 +27,7 @@ function render_block_core_post_time_to_read( $attributes, $content, $block ) {
  */
  $average_reading_rate = 189;
 
- /*
- * translators: If your word count is based on single characters (e.g. East Asian characters),
- * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
- * Do not translate into your own language.
- */
- $word_count_type = _x( 'words', 'Word count type. Do not translate!' );
+ $word_count_type = wp_get_word_count_type();
 
  $minutes_to_read = max( 1, (int) round( wp_word_count( $content, $word_count_type ) / $average_reading_rate ) );