zend_language_parser: Add support for passing a property list to clone

Author: TimWolla

Zend/zend_ast.h

@@ -89,7 +89,6 @@ enum _zend_ast_kind {
 	ZEND_AST_ISSET,
 	ZEND_AST_SILENCE,
 	ZEND_AST_SHELL_EXEC,
-	ZEND_AST_CLONE,
 	ZEND_AST_PRINT,
 	ZEND_AST_INCLUDE_OR_EVAL,
 	ZEND_AST_UNARY_OP,
@@ -155,6 +154,7 @@ enum _zend_ast_kind {
 	ZEND_AST_NAMED_ARG,
 	ZEND_AST_PARENT_PROPERTY_HOOK_CALL,
 	ZEND_AST_PIPE,
+	ZEND_AST_CLONE,
 
 	/* 3 child nodes */
 	ZEND_AST_METHOD_CALL = 3 << ZEND_AST_NUM_CHILDREN_SHIFT,

Zend/zend_language_parser.y

@@ -1228,7 +1228,8 @@ expr:
 			{ $$ = zend_ast_create(ZEND_AST_ASSIGN, $1, $3); }
 	|	variable '=' ampersand variable
 			{ $$ = zend_ast_create(ZEND_AST_ASSIGN_REF, $1, $4); }
-	|	T_CLONE expr { $$ = zend_ast_create(ZEND_AST_CLONE, $2); }
+	|	T_CLONE '(' expr ',' expr ')' { $$ = zend_ast_create(ZEND_AST_CLONE, $3, $5); }
+	|	T_CLONE expr { $$ = zend_ast_create(ZEND_AST_CLONE, $2, NULL); }
 	|	variable T_PLUS_EQUAL expr
 			{ $$ = zend_ast_create_assign_op(ZEND_ADD, $1, $3); }
 	|	variable T_MINUS_EQUAL expr