General: Removing static from `wp_get_wp_version()`.

Removes the static storing the version number in `wp_get_wp_version()` to ensure the version number is reported correctly after a WordPress upgrade is completed.

Reverts [58827].

Props costdev, SergeyBiryukov, Cybr.
See #61782.

Built from https://develop.svn.wordpress.org/trunk@58848


git-svn-id: http://core.svn.wordpress.org/trunk@58244 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -8819,11 +8819,7 @@ function clean_dirsize_cache( $path ) {
  * @return string The current WordPress version.
  */
 function wp_get_wp_version() {
-	static $wp_version;
-
-	if ( ! isset( $wp_version ) ) {
-		require ABSPATH . WPINC . '/version.php';
-	}
+	require ABSPATH . WPINC . '/version.php';
 
 	return $wp_version;
 }

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58847';
+$wp_version = '6.7-alpha-58848';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.