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<?php $array = array(1, 2, 3, 4); foreach ($array as $valor) { $valor = $valor * 2; } // $array ahora es array(2, 4, 6, 8) unset($valor); // rompe la referencia con el último elemento var_dump($array); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) }

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