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<?php $userdb=Array ( 0 => Array ( "uid"=> '100', "name" => 'Sandra Shush', "url"=> 'urlof100' ), 1 => Array ( "uid"=> '5465', "name" => 'Sandra Shush', "url"=> 'urlof100' ), 2 => Array ( "uid"=> '100', "name" => 'Sandra Shush', "url"=> 'urlof100' ), 3 => Array ( "uid"=> '5465', "name" => 'Sandra Shush', "url"=> 'urlof100' ), ); // Get all uids to an flat array $uid = array_column($userdb, "uid"); // Loop the unique uids and find all matching uids and place them in array Foreach(array_unique($uid) as $id){ $new[] = array_intersect_key($userdb, array_intersect($uid, [$id])); } Var_dump($new);
Output for rfc.property-hooks, git.master_jit, git.master
array(2) { [0]=> array(2) { [0]=> array(3) { ["uid"]=> string(3) "100" ["name"]=> string(12) "Sandra Shush" ["url"]=> string(8) "urlof100" } [2]=> array(3) { ["uid"]=> string(3) "100" ["name"]=> string(12) "Sandra Shush" ["url"]=> string(8) "urlof100" } } [1]=> array(2) { [1]=> array(3) { ["uid"]=> string(4) "5465" ["name"]=> string(12) "Sandra Shush" ["url"]=> string(8) "urlof100" } [3]=> array(3) { ["uid"]=> string(4) "5465" ["name"]=> string(12) "Sandra Shush" ["url"]=> string(8) "urlof100" } } }

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