Revert "Eliminate passing version into load callback"

This reverts commit bdf96a6.

plugins/speculation-rules/load.php

@@ -32,11 +32,13 @@ static function ( string $global_var_name, string $version, Closure $load ) {
 		if ( ! isset( $GLOBALS[ $global_var_name ] ) ) {
 			$bootstrap = static function () use ( $global_var_name ) {
 				if (
-					isset( $GLOBALS[ $global_var_name ]['load'] )
+					isset( $GLOBALS[ $global_var_name ]['load'], $GLOBALS[ $global_var_name ]['version'] )
 					&&
 					$GLOBALS[ $global_var_name ]['load'] instanceof Closure
+					&&
+					is_string( $GLOBALS[ $global_var_name ]['version'] )
 				) {
-					call_user_func( $GLOBALS[ $global_var_name ]['load'] );
+					call_user_func( $GLOBALS[ $global_var_name ]['load'], $GLOBALS[ $global_var_name ]['version'] );
 					unset( $GLOBALS[ $global_var_name ] );
 				}
 			};
@@ -64,14 +66,14 @@ static function ( string $global_var_name, string $version, Closure $load ) {
 )(
 	'plsr_pending_plugin_info',
 	'1.2.2',
-	static function () {
+	static function ( string $version ) {
 
 		// Define the constant.
 		if ( defined( 'SPECULATION_RULES_VERSION' ) ) {
 			return;
 		}
 
-		define( 'SPECULATION_RULES_VERSION', '1.2.1' );
+		define( 'SPECULATION_RULES_VERSION', $version );
 		define( 'SPECULATION_RULES_MAIN_FILE', plugin_basename( __FILE__ ) );
 
 		require_once __DIR__ . '/class-plsr-url-pattern-prefixer.php';