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<?php $data = array( 8 => 2, 4 => 4, 7 => 6, ); foreach($data as $key => $val) { echo $key.' : '.$val."\n"; } echo $data[0]; print_r($data);
Output for git.master, git.master_jit, rfc.property-hooks
8 : 2 4 : 4 7 : 6 Warning: Undefined array key 0 in /in/ZLcs3 on line 13 Array ( [8] => 2 [4] => 4 [7] => 6 )

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