Bug #75232 [NEW]: print_r creating side-effect.

From: ben at redsnapper dot net Operating system: any PHP version: 7.1.9 Package: Date/time related Bug Type: Bug Bug description:print_r creating side-effect. Description: ------------ Using print_r on a DateTime object creates a side-effect: the property 'date' is now set and publicly available. Test script: --------------- //Expected Behaviour php > $d1 = DateTime::createFromFormat("Ymd\THis\Z", '20170920T091600Z'); php > echo $d1->date; Notice: Undefined property: DateTime::$date //Unexpected Behaviour / side effect. php > $d2 = DateTime::createFromFormat("Ymd\THis\Z", '20170920T091600Z'); php > print_r($d2->date); DateTime Object ( [date] => 2017-09-20 09:16:00.000000 [timezone_type] => 3 [timezone] => UTC ) php > echo $d2->date; 2017-09-20 09:16:00.000000 Expected result: ---------------- There should be no change (side-effect) made to an object when using print_r() -- Edit bug report at https://bugs.php.net/bug.php?id=75232&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75232&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75232&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75232&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75232&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75232&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75232&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75232&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75232&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75232&r=support Expected behavior: https://bugs.php.net/fix.php?id=75232&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75232&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75232&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75232&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75232&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75232&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75232&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75232&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75232&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75232&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75232&r=mysqlcfg