ext/soap: use zend_string_equals_literal() instead of strcmp() (php#21405)

Author: Girgias

ext/soap/php_encoding.c

@@ -2439,13 +2439,7 @@ static xmlNodePtr to_xml_array(encodeTypePtr type, zval *data, int style, xmlNod
 		if (style == SOAP_ENCODED) {
 			if (soap_version == SOAP_1_1) {
 				smart_str_0(&array_type);
-#if defined(__GNUC__) && __GNUC__ >= 11
-				ZEND_DIAGNOSTIC_IGNORED_START("-Wstringop-overread")
-#endif
-				bool is_xsd_any_type = strcmp(ZSTR_VAL(array_type.s),"xsd:anyType") == 0;
-#if defined(__GNUC__) && __GNUC__ >= 11
-				ZEND_DIAGNOSTIC_IGNORED_END
-#endif
+				bool is_xsd_any_type = zend_string_equals_literal(array_type.s, "xsd:anyType");
 				if (is_xsd_any_type) {
 					smart_str_free(&array_type);
 					smart_str_appendl(&array_type,"xsd:ur-type",sizeof("xsd:ur-type")-1);