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<?php $user = []; $arr = [ 'chatduration' => '124.502','username' => 'bhavin']; print_r($arr); die(); foreach($arr as $record){ if (array_key_exists($user[$record['username']],$record)) { $user[$record['username']] = $user[$record['username']] + $record['chatduration']; } else { $user[] = [$record['username']=>$record['chatduration']]; } } print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [chatduration] => 124.502 [username] => bhavin )

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