Documented -r and added TODO

sapi/cli/README

@@ -13,3 +13,5 @@ The main differences between the two:
 * Plain text error message
 * $argc and $argv registered irrespective of register_globals
 * implicit_flush always on
+* -r option which allows execution of PHP code directly from
+  the command line (e.g. php -r 'echo md5("test");' )

sapi/cli/TODO

@@ -0,0 +1,5 @@
+TODO:
+
+- plain text "php -i" and phpinfo()
+
+