ext/XML: Improve invalid value handling for XML_OPTION_SKIP_TAGSTART

Author: LamentXU123

NEWS

@@ -220,6 +220,11 @@ PHP                                                                        NEWS
   . Fixed bug #49874 (ftell() and fseek() inconsistency when using stream
     filters). (Jakub Zelenka)
 
+- XML:
+  . xml_parser_set_option() now reports invalid XML_OPTION_SKIP_TAGSTART
+    values more consistently and avoids an extra object-to-int conversion
+    warning for unsupported values. (Weilin Du)
+
 - Zip:
   . Fixed ZipArchive callback being called after executor has shut down.
     (ilutov)

UPGRADING

@@ -118,6 +118,11 @@ PHP 8.6 UPGRADE NOTES
   . proc_open() now raises a ValueError when the $cwd argument contains
     null bytes.
 
+- XML:
+  . xml_parser_set_option() now reports invalid XML_OPTION_SKIP_TAGSTART
+    values more consistently and no longer emits an extra object-to-int
+    conversion warning for unsupported values.
+
 - Zip:
   . ZipArchive::extractTo now raises a TypeError for the
     files argument if one or more of the entries is not

ext/xml/tests/xml_parser_set_option_errors.phpt

@@ -38,6 +38,12 @@ xml_parser_set_option($xmlParser, XML_OPTION_SKIP_TAGSTART, []);
 
 xml_parser_set_option($xmlParser, XML_OPTION_SKIP_TAGSTART, new stdClass());
 
+var_dump(xml_parser_set_option($xmlParser, XML_OPTION_SKIP_TAGSTART, "123test"));
+var_dump(xml_parser_get_option($xmlParser, XML_OPTION_SKIP_TAGSTART));
+
+var_dump(xml_parser_set_option($xmlParser, XML_OPTION_SKIP_TAGSTART, 1.5));
+var_dump(xml_parser_get_option($xmlParser, XML_OPTION_SKIP_TAGSTART));
+
 echo "Encodings\n";
 try {
     xml_parser_set_option($xmlParser, XML_OPTION_TARGET_ENCODING, 'Invalid Encoding');
@@ -75,7 +81,14 @@ Warning: xml_parser_set_option(): Argument #3 ($value) must be of type string|in
 
 Warning: xml_parser_set_option(): Argument #3 ($value) must be of type string|int|bool, stdClass given in %s on line %d
 
-Warning: Object of class stdClass could not be converted to int in %s on line %d
+Warning: A non-numeric value encountered in %s on line %d
+bool(true)
+int(123)
+
+Warning: xml_parser_set_option(): Argument #3 ($value) must be of type string|int|bool, float given in %s on line %d
+bool(true)
+int(1)
+
 Encodings
 xml_parser_set_option(): Argument #3 ($value) is not a supported target encoding
 

ext/xml/xml.c

@@ -1588,7 +1588,12 @@ PHP_FUNCTION(xml_parser_set_option)
 		/* Integer option */
 		case PHP_XML_OPTION_SKIP_TAGSTART: {
 			/* The tag start offset is stored in an int */
-			/* TODO Improve handling of values? */
+			if (Z_TYPE_P(value) != IS_FALSE && Z_TYPE_P(value) != IS_TRUE &&
+				Z_TYPE_P(value) != IS_LONG && Z_TYPE_P(value) != IS_DOUBLE &&
+				Z_TYPE_P(value) != IS_STRING) {
+				RETURN_FALSE;
+			}
+
 			zend_long value_long = zval_get_long(value);
 			if (value_long < 0 || value_long > INT_MAX) {
 				/* TODO Promote to ValueError in PHP 9.0 */