Merge pull request #9037 from christianberkman/docs-file-getsize

docs: [File Instance] RunTimeException if file does not exist

Author: kenjis

system/Files/File.php

@@ -59,7 +59,8 @@ public function __construct(string $path, bool $checkFile = false)
      *
      * Implementations SHOULD return the value stored in the "size" key of
      * the file in the $_FILES array if available, as PHP calculates this based
-     * on the actual size transmitted.
+     * on the actual size transmitted. A RuntimeException will be thrown if the file
+     * does not exist or an error occurs.
      *
      * @return false|int The file size in bytes, or false on failure
      */

user_guide_src/source/libraries/files.rst

@@ -51,6 +51,8 @@ Returns the size of the file in bytes:
 .. literalinclude:: files/004.php
     :lines: 2-
 
+A ``RuntimeException`` will be thrown if the file does not exist or an error occurs.
+
 getSizeByUnit()
 ===============
 
@@ -60,6 +62,8 @@ the results in kilobytes or megabytes, respectively:
 .. literalinclude:: files/005.php
     :lines: 2-
 
+A ``RuntimeException`` will be thrown if the file does not exist or an error occurs.
+
 getMimeType()
 =============