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<?php function gen() { var_dump(yield +1); var_dump(yield -1); var_dump(yield * -1); // other ops still should behave normally } for ($gen = gen(); $gen->valid(); $gen->send(1)) { echo "\n"; var_dump($gen->current()); }
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(1) int(-1) int(1) NULL int(-1)

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