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<?php ini_set('error_reporting', -1); ini_set('display_errors', 'on'); function generator() { $a = ['a', 'b', 'c']; if(empty($a)){ return null; } foreach($a as $i){ yield $i; } } foreach(generator() as $i) { echo $i; }
Output for git.master, git.master_jit, rfc.property-hooks
abc

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