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<?php $items = array(1, 2, 3, 4, 5); foreach ( $items as &$item ) { echo $item."\n"; if ( $item == 2 ) { $item = 9; prev($items); } } var_dump($items);
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 4 5 array(5) { [0]=> int(1) [1]=> int(9) [2]=> int(3) [3]=> int(4) [4]=> &int(5) }

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