Fix UNKNOWN default values in ext/xsl

Author: kocsismate

ext/xsl/php_xsl.stub.php

@@ -41,10 +41,10 @@ public function removeParameter(string $namespace, string $name) {}
     public function hasExsltSupport() {}
 
     /**
-     * @param string|array $restrict
+     * @param string|array|null $restrict
      * @return void
      */
-    public function registerPHPFunctions($restrict = UNKNOWN) {}
+    public function registerPHPFunctions($restrict = null) {}
 
     /** @return bool */
     public function setProfiling(?string $filename) {}

ext/xsl/php_xsl_arginfo.h

@@ -35,7 +35,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_class_XSLTProcessor_hasExsltSupport, 0, 0, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_XSLTProcessor_registerPHPFunctions, 0, 0, 0)
-	ZEND_ARG_INFO(0, restrict)
+	ZEND_ARG_INFO_WITH_DEFAULT_VALUE(0, restrict, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_XSLTProcessor_setProfiling, 0, 0, 1)

ext/xsl/xsltprocessor.c

@@ -760,13 +760,19 @@ PHP_METHOD(XSLTProcessor, registerPHPFunctions)
 {
 	zval *id = ZEND_THIS;
 	xsl_object *intern;
-	zval *array_value, *entry, new_string;
-	zend_string *name;
+	zval *entry, new_string;
+	zend_string *restrict_str = NULL;
+	HashTable *restrict_ht = NULL;
 
-	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "a",  &array_value) == SUCCESS) {
-		intern = Z_XSL_P(id);
+	ZEND_PARSE_PARAMETERS_START(0, 1)
+		Z_PARAM_OPTIONAL
+		Z_PARAM_STR_OR_ARRAY_HT_OR_NULL(restrict_str, restrict_ht)
+	ZEND_PARSE_PARAMETERS_END();
+
+	intern = Z_XSL_P(id);
 
-		ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(array_value), entry) {
+	if (restrict_ht) {
+		ZEND_HASH_FOREACH_VAL(restrict_ht, entry) {
 			zend_string *str = zval_try_get_string(entry);
 			if (UNEXPECTED(!str)) {
 				return;
@@ -777,15 +783,11 @@ PHP_METHOD(XSLTProcessor, registerPHPFunctions)
 		} ZEND_HASH_FOREACH_END();
 
 		intern->registerPhpFunctions = 2;
-	} else if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "S",  &name) == SUCCESS) {
-		intern = Z_XSL_P(id);
-
-		ZVAL_LONG(&new_string,1);
-		zend_hash_update(intern->registered_phpfunctions, name, &new_string);
+	} else if (restrict_str) {
+		ZVAL_LONG(&new_string, 1);
+		zend_hash_update(intern->registered_phpfunctions, restrict_str, &new_string);
 		intern->registerPhpFunctions = 2;
-
-	} else if (zend_parse_parameters_none() == SUCCESS) {
-		intern = Z_XSL_P(id);
+	} else {
 		intern->registerPhpFunctions = 1;
 	}
 }