- Add support for isset($var1, $var2, $var3); - Will be true only if all

- variables are set.

diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index bdd8cc1f2bce9b1659ccb441c071e70cd2965ef3..528c09e765ca6d277839d029b37173684c53dac6 100644 (file)
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -705,7 +705,7 @@ encaps_var_offset:
 
 
 internal_functions_in_yacc:
-               T_ISSET '(' cvar ')'    { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$3 CLS_CC); }
+               T_ISSET '(' isset_variables ')' { $$ = $3; }
        |       T_EMPTY '(' cvar ')'    { zend_do_isset_or_isempty(ZEND_ISEMPTY, &$$, &$3 CLS_CC); }
        |       T_INCLUDE expr                  { zend_do_include_or_eval(ZEND_INCLUDE, &$$, &$2 CLS_CC); }
        |       T_INCLUDE_ONCE expr     { zend_do_include_or_eval(ZEND_INCLUDE_ONCE, &$$, &$2 CLS_CC); }
@@ -714,6 +714,10 @@ internal_functions_in_yacc:
        |       T_REQUIRE_ONCE expr             { zend_do_include_or_eval(ZEND_REQUIRE_ONCE, &$$, &$2 CLS_CC); }
 ;
 
+isset_variables:
+               cvar                            { zend_do_isset_or_isempty(ZEND_ISSET, &$$, &$1 CLS_CC); }
+       |       isset_variables ',' { zend_do_boolean_and_begin(&$1, &$2 CLS_CC); } cvar { znode tmp; zend_do_isset_or_isempty(ZEND_ISSET, &tmp, &$4 CLS_CC); zend_do_boolean_and_end(&$$, &$1, &tmp, &$2 CLS_CC); }
+;      
 
 %%