Hmmm...not sure what this was trying to do. stat() was acting like filesize().

Joey Smith · Joey Smith · commit 1c10503029e0 · 2001-08-21T23:58:19.000Z
diff --git a/ext/standard/filestat.c b/ext/standard/filestat.c
@@ -862,7 +862,7 @@ FileFunction(php_if_lstat, FS_LSTAT)
 
 /* {{{ proto array stat(string filename)
    Give information about a file */
-FileFunction(php_if_stat, FS_SIZE)
+FileFunction(php_if_stat, FS_STAT)
 /* }}} */
 
 /*
