Bug #76181 [Opn->Nab]: `yield`ed item is lost after sending an exception to the generator

Edit report at https://bugs.php.net/bug.php?id=76181&edit=1 ID: 76181 Updated by: kelunik@php.net Reported by: samuel dot roze at gmail dot com Summary: yielded item is lost after sending an exception to the generator -Status: Open +Status: Not a bug Type: Bug Package: *Programming Data Structures Operating System: OSX PHP Version: 7.2.4 Block user comment: N Private report: N New Comment: This is not a bug. Generator::throw() advances the generator. The yielded value can be retrieved by examining the return value of Generator::throw(). Previous Comments: ------------------------------------------------------------------------ [2018-04-03 17:06:19] samuel dot roze at gmail dot com Description: ------------ When calling throw($e) on a Generator while iterating over it, it looks like it "lose" one of the items that have been yielded. See the following Gist: https://gist.github.com/sroze/2ed22483b5fd35081b4fa31f02fd1a24#file-bug-example-php Test script: --------------- https://gist.githubusercontent.com/sroze/2ed22483b5fd35081b4fa31f02fd1a24/raw/b91b113e48f4730358fe75a4661bd5531b553d14/bug-example.php Expected result: ---------------- Got exception do nothing Got message test2 Got message test3 Actual result: -------------- Got exception do nothing Got message test3 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=76181&edit=1