Introduce ValueError for empty bind param names

Author: Girgias

ext/pdo/pdo_stmt.c

@@ -1466,6 +1466,10 @@ static void register_bound_param(INTERNAL_FUNCTION_PARAMETERS, int is_param) /*
 	param.param_type = (int) param_type;
 
 	if (param.name) {
+		if (ZSTR_LEN(param.name) == 0) {
+			zend_argument_value_error(1, "cannot be empty");
+			RETURN_THROWS();
+		}
 		param.paramno = -1;
 	} else if (param.paramno > 0) {
 		--param.paramno; /* make it zero-based internally */
@@ -1510,6 +1514,10 @@ PHP_METHOD(PDOStatement, bindValue)
 	param.param_type = (int) param_type;
 
 	if (param.name) {
+		if (ZSTR_LEN(param.name) == 0) {
+			zend_argument_value_error(1, "cannot be empty");
+			RETURN_THROWS();
+		}
 		param.paramno = -1;
 	} else if (param.paramno > 0) {
 		--param.paramno; /* make it zero-based internally */

ext/pdo/pdo_stmt_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 6d360d7d412e0ebbbc466f8abf104f3969eae738 */
+ * Stub hash: 395813e5ab7b565718430dd17b8da3fc54889eeb */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDOStatement_bindColumn, 0, 0, 2)
 	ZEND_ARG_TYPE_MASK(0, column, MAY_BE_STRING|MAY_BE_LONG, NULL)