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<?php class Lock { public function __construct() { echo "Locked\n"; } public function __destruct() { echo "Unlocked\n"; } } function do_while_locked(Lock $lock) { // The exception implicitly keeps the lock alive. $GLOBALS['x'] = new Exception(); echo "Doing something\n"; } function foo() { $lock = new Lock(); do_while_locked($lock); echo "Done\n"; } foo(); echo "After\n";
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Locked Doing something Done After Unlocked

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