Re-dump autoloader and composer.lock

lib/symfony/polyfill-intl-grapheme/Grapheme.php

@@ -26,6 +26,7 @@ namespace Symfony\Polyfill\Intl\Grapheme;
  * - grapheme_strrpos  - Find position (in grapheme units) of last occurrence of a string
  * - grapheme_strstr   - Returns part of haystack string from the first occurrence of needle to the end of haystack
  * - grapheme_substr   - Return part of a string
+ * - grapheme_str_split - Splits a string into an array of individual or chunks of graphemes
  *
  * @author Nicolas Grekas <p@tchwork.com>
  *
@@ -191,6 +192,37 @@ final class Grapheme
         return mb_strstr($s, $needle, $beforeNeedle, 'UTF-8');
     }
 
+    public static function grapheme_str_split($s, $len = 1)
+    {
+        if (0 > $len || 1073741823 < $len) {
+            if (80000 > \PHP_VERSION_ID) {
+                return false;
+            }
+
+            throw new \ValueError('grapheme_str_split(): Argument #2 ($length) must be greater than 0 and less than or equal to 1073741823.');
+        }
+
+        if ('' === $s) {
+            return [];
+        }
+
+        if (!preg_match_all('/('.SYMFONY_GRAPHEME_CLUSTER_RX.')/u', $s, $matches)) {
+            return false;
+        }
+
+        if (1 === $len) {
+            return $matches[0];
+        }
+
+        $chunks = array_chunk($matches[0], $len);
+
+        foreach ($chunks as &$chunk) {
+            $chunk = implode('', $chunk);
+        }
+
+        return $chunks;
+    }
+
     private static function grapheme_position($s, $needle, $offset, $mode)
     {
         $needle = (string) $needle;

lib/symfony/polyfill-intl-grapheme/README.md

@@ -21,6 +21,7 @@ This component provides a partial, native PHP implementation of the
 - [`grapheme_strstr`](https://php.net/grapheme_strstr): Returns part of haystack string from
   the first occurrence of needle to the end of haystack
 - [`grapheme_substr`](https://php.net/grapheme_substr): Return part of a string
+- [`grapheme_str_split`](https://php.net/grapheme_str_split): Splits a string into an array of individual or chunks of graphemes
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md).

lib/symfony/polyfill-intl-grapheme/bootstrap.php

@@ -11,10 +11,6 @@
 
 use Symfony\Polyfill\Intl\Grapheme as p;
 
-if (extension_loaded('intl')) {
-    return;
-}
-
 if (\PHP_VERSION_ID >= 80000) {
     return require __DIR__.'/bootstrap80.php';
 }
@@ -56,3 +52,6 @@ if (!function_exists('grapheme_strstr')) {
 if (!function_exists('grapheme_substr')) {
     function grapheme_substr($string, $offset, $length = null) { return p\Grapheme::grapheme_substr($string, $offset, $length); }
 }
+if (!function_exists('grapheme_str_split')) {
+    function grapheme_str_split($string, $length = 1) { return p\Grapheme::grapheme_str_split($string, $length); }
+}

lib/symfony/polyfill-intl-grapheme/bootstrap80.php

@@ -11,6 +11,14 @@
 
 use Symfony\Polyfill\Intl\Grapheme as p;
 
+if (!function_exists('grapheme_str_split')) {
+    function grapheme_str_split(string $string, int $length = 1): array|false { return p\Grapheme::grapheme_str_split($string, $length); }
+}
+
+if (extension_loaded('intl')) {
+    return;
+}
+
 if (!defined('GRAPHEME_EXTR_COUNT')) {
     define('GRAPHEME_EXTR_COUNT', 0);
 }