Req #80694 [NEW]: DateTime::createFromFormat not return false in all cases

From: 007not at gmail dot com Operating system: Any PHP version: 8.0.1 Package: Date/time related Bug Type: Feature/Change Request Bug description:DateTime::createFromFormat not return false in all cases Description: ------------ In the current implementation, there is no explicit return type behaviour for the createfromformat method. There 3 states: * everything ok and createfromformat return object * error, when createfromformat return false * warning, return object but need do extra check with method getLastErrors possible solutions: * change behaviour for createfromformat in next release. make warnings as errors and return false if any warning happens * change documentation. add information about getLastErrors method, add example for getLastErrors to page https://www.php.net/manual/en/datetime.createfromformat.php, fix Return Values description Test script: --------------- <?php //https://3v4l.org/JqSuG $datetime = \DateTimeImmutable::createFromFormat('m.d.Y', '23.06.2020'); var_dump($datetime); var_dump($datetime === false); //Return Values: false on failure var_dump(\DateTimeImmutable::getLastErrors()); //The parsed date was invalid $datetime = \DateTimeImmutable::createFromFormat('d.m.Y', '23.06.2020'); var_dump($datetime); var_dump($datetime === false); var_dump(\DateTimeImmutable::getLastErrors()); -- Edit bug report at https://bugs.php.net/bug.php?id=80694&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80694&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80694&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80694&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80694&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80694&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80694&r=support Expected behavior: https://bugs.php.net/fix.php?id=80694&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80694&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80694&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80694&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80694&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80694&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80694&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80694&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80694&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80694&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80694&r=mysqlcfg