Bug #76620 [NEW]: DatePeriod::getEndDate() drops reference to the end date DateTime object

From: jerry at jmweb dot net Operating system: Win7 64bit PHP version: 7.2.7 Package: Date/time related Bug Type: Bug Bug description:DatePeriod::getEndDate() drops reference to the end date DateTime object Description: ------------ When DatePeriod is instantiated with DateTime objects (as opposed to DateTimeImmutable objects), the getEndDate() instance method does not return a reference to the object's internal end date DateTime object. Test script: --------------- $period = new DatePeriod( new DateTime( '2018-01-01' ), new DateInterval( 'P1D' ), new DateTime( '2018-01-02' ) ); var_dump( $period->getEndDate()->add( new DateInterval( 'P1D' ) ) === $period->getEndDate() ); Expected result: ---------------- bool(true) Actual result: -------------- bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=76620&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76620&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76620&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76620&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76620&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76620&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76620&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76620&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76620&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76620&r=support Expected behavior: https://bugs.php.net/fix.php?id=76620&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76620&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76620&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76620&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76620&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76620&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76620&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76620&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76620&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76620&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76620&r=mysqlcfg