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<?php $arr = array_flip(range( 0, 15)); unset($arr[3]); unset($arr[9]); foreach( $arr as $i => $garbage) { echo $i . "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0 1 2 4 5 6 7 8 10 11 12 13 14 15

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