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<?php $a =array('1,2,6'); $b =array('2,3,1'); $c = array_combine($a,$b); print_r(array_combine($a,$b));echo $c[2];
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1,2,6] => 2,3,1 ) Warning: Undefined array key 2 in /in/uXHFU on line 5

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