- Update NEWS and README for input_filters

1 files changed, 5 insertions, 1 deletions

diff --git a/README.input_filter b/README.input_filter
index 8064655b52..69a69335f5 100644
--- a/README.input_filter
+++ b/README.input_filter
@@ -89,6 +89,10 @@ PHP_MINFO_FUNCTION(my_input_filter)
     php_info_print_table_end();
 }
 
+/* The filter handler. If you return 1 from it, then PHP also registers the
+ * (modified) variable. Returning 0 prevents PHP from registering the variable;
+ * you can use this if your filter already registers the variable under a
+ * different name, or if you just don't want the variable registered at all. */
 unsigned int  my_sapi_input_filter(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len)
 {
     zval new_var;
@@ -138,7 +142,7 @@ unsigned int  my_sapi_input_filter(int arg, char *var, char **val, unsigned int
     php_strip_tags(*val, val_len, NULL, NULL, 0);
 
     *new_val_len = strlen(*val);
-	return 1;
+    return 1;
 }
 
 PHP_FUNCTION(my_get_raw)