Bug #76354 [NEW]: ArrayObject doesn't call the constructor of a custom iterator when foreach

From: biser dot antonov at gmail dot com Operating system: Debian PHP version: 7.2.5 Package: SPL related Bug Type: Bug Bug description:ArrayObject doesn't call the constructor of a custom iterator when foreach Description: ------------ When providing a custom iterator to an ArrayObject, the iterator's constructor is not called on foreach. Tested in the official php docker container: https://github.com/docker-library/php/blob/b045ba7c51ceed8a495beb8ea7274df48a3c70e1/7.2/stretch/cli/Dockerfile Test script: --------------- class I extends ArrayIterator { public function __construct(array $array = array(), $flags = 0) { exit(__FILE__ . ':' . __LINE__); } } $a = new ArrayObject([1, 2, 3], 0, I::class); foreach ($a as $key => $value) { // do something } Expected result: ---------------- I expected the script to call I::__construct() and exit Actual result: -------------- The script finished without interruption -- Edit bug report at https://bugs.php.net/bug.php?id=76354&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76354&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76354&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76354&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76354&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76354&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76354&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76354&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76354&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76354&r=support Expected behavior: https://bugs.php.net/fix.php?id=76354&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76354&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76354&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76354&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76354&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76354&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76354&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76354&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76354&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76354&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76354&r=mysqlcfg