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<?php $a = array( array('Status' => 'OK', 'Productname' => 'test1'), array('Status' => 'OK', 'Productname' => 'test1'), array('Status' => 'OK', 'Productname' => 'test2'), array('Status' => 'OK', 'Productname' => 'test2') ); $uniq_name = 'test1'; $key = 'Productname'; $b = array(); $uniq = array(); array_walk($a, function($a) use (&$b,$key,$uniq_name,&$uniq) { $name = $a[$key]; if ($name !== $uniq_name || $b[$name]++ == 0) $uniq[] = $a; }); print_r($uniq);

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