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<?php interface RangeFinderInterface { public function doStuff(): self; } class RangeFinder implements RangeFinderInterface { public function doStuff(): self { echo 'hello world', "\n"; return $this; } } $rf = new RangeFinder; $rf->doStuff()->doStuff()->doStuff();
Output for git.master, git.master_jit, rfc.property-hooks
hello world hello world hello world

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