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<?php $values = [4, 6, 3]; foreach ($values as $k => &$v) { $v = "$k: " . $v * 2; } var_export($values);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '0: 8', 1 => '1: 12', 2 => '2: 6', )

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