Update README.PARAMETER_PARSING_API

1 files changed, 18 insertions, 3 deletions

diff --git a/README.PARAMETER_PARSING_API b/README.PARAMETER_PARSING_API
index 927e48188c..edcee0f2ea 100644
--- a/README.PARAMETER_PARSING_API
+++ b/README.PARAMETER_PARSING_API
@@ -28,6 +28,17 @@ Both functions return SUCCESS or FAILURE depending on the result.
 The auto-conversions are performed as necessary. Arrays, objects, and
 resources cannot be auto-converted.
 
+PHP 5.5 includes a new function:
+
+int zend_parse_parameter(int flags, int arg_num TSRMLS_DC, zval **arg, const char *spec, ...);
+
+This function behaves like zend_parse_parameters_ex() except that instead of
+reading the arguments from the stack, it receives a single zval to convert
+(passed with double indirection). The passed zval may be changed in place as
+part of the conversion process.
+
+See also https://wiki.php.net/rfc/zpp_improv#expose_zend_parse_arg_as_zend_parse_parameter
+
 
 Type specifiers
 ---------------
@@ -65,9 +76,13 @@ Type specifiers
         will not be touched by the parsing function if they are not
         passed to it.
     / - use SEPARATE_ZVAL_IF_NOT_REF() on the parameter it follows
-    ! - the parameter it follows can be of specified type or NULL (applies
-		to all specifiers except for 'b', 'l', and 'd'). If NULL is passed, the
-		results pointer is set to NULL as well.
+    ! - the parameter it follows can be of specified type or NULL. If NULL is
+		passed and the output for such type is a pointer, then the output
+		pointer is set to a native NULL pointer.
+		For 'b', 'l' and 'd', an extra argument of type zend_bool* must be
+		passed after the corresponding bool*, long* or double* arguments,
+		respectively. A non-zero value will be written to the zend_bool iif a
+		PHP NULL is passed.
 
 
 Note on 64bit compatibility