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<?php function nums() { $ary = [24,25,26,27,28,29,30,31,32]; $i = 0; foreach ($ary as $x) { $cmd = (yield $x); // yield expr var_dump($cmd); if ($cmd == 'stop') { return; // exit generator } } } $gen = nums(); foreach ($gen as $value) { echo "$value\n"; if ($value == 30) { // don't let it get to 32 $gen->send('stop'); } }
Output for git.master, git.master_jit, rfc.property-hooks
24 NULL 25 NULL 26 NULL 27 NULL 28 NULL 29 NULL 30 string(4) "stop"

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