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<?php function fib() { $a = 1; $b = 1; while(true) { $c = $a + $b; $a = $b; $b = $c; if ($c > 7) { throw new RuntimeException('Kaboom!'); } yield $c; } } foreach(fib() as $f) { echo $f . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
2 3 5 Fatal error: Uncaught RuntimeException: Kaboom! in /in/p8Ydt:10 Stack trace: #0 /in/p8Ydt(16): fib() #1 {main} thrown in /in/p8Ydt on line 10
Process exited with code 255.

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