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<?php $array = [ "tracker" => [ ["[", "asiangames", ",", "asiangames2018", ",", "asian", "]"], ["[", "2019gantipresiden", "]"] ] ]; foreach ($array["tracker"] as &$tracker) { $tracker = array_diff($tracker, ["[", ",", "]"]); } var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'tracker' => array ( 0 => array ( 1 => 'asiangames', 3 => 'asiangames2018', 5 => 'asian', ), 1 => array ( 1 => '2019gantipresiden', ), ), )

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