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<?php class Person { var $name; var $age; function __construct($name, $age) { $this->name = $name; $this->age = $age; } } $a = new ArrayIterator([ new Person("Christoph", 15), new Person("John", 42), new Person("Foobar", 25) ]); function first_match(\Iterator $iterator, callable $callback) { foreach ($iterator as $key => $value) { if ($callback($value, $key)) { yield $key => $value; break; } } } $firstOver18 = function($person) { return $person->age >= 18; }; foreach (first_match($a, $firstOver18) as $p) { var_dump($p); }
Output for git.master, git.master_jit, rfc.property-hooks
object(Person)#3 (2) { ["name"]=> string(4) "John" ["age"]=> int(42) }

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