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<?php function doStuff() { echo 'start-'; $last = 0; $current = 1; yield 1; while ($current < 1000000) { echo 'loop-'; $current = $last + $current; $last = $current - $last; echo 'before-'; yield $current; echo 'after-'; } } foreach(doStuff() as $num) $num; ?>
Output for git.master, git.master_jit, rfc.property-hooks
start-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-loop-before-after-

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