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<?php $ar = [ ["uid" => 1, "title" => "Title A", "tstamp" => "1580296755",], ["uid" => 2, "title" => "Title B", "tstamp" => "1580296755",], ["uid" => 3, "title" => "Title B", "tstamp" => "1580296755",], ["uid" => 4, "title" => "Title C", "tstamp" => "1580296755",], ]; $tmp = []; $res = []; foreach($ar as $ind=>$set){ $tmp[$set['title']] = $ind; } foreach($tmp as $title=>$ind){ $res[] = $ar[$ind]; } print_r($res);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [uid] => 1 [title] => Title A [tstamp] => 1580296755 ) [1] => Array ( [uid] => 3 [title] => Title B [tstamp] => 1580296755 ) [2] => Array ( [uid] => 4 [title] => Title C [tstamp] => 1580296755 ) )

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