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$arr = array(    'tt' => 1333,    'cc' => 333,    'aaz' => 2333,    'ee' => 78,)/* 插入一个【 键 'bb' 值 123】到tt后边得 $arrArray(    [tt] => 1333    [bb] => 123    [cc] => 333    [aaz] => 2333    [ee] => 78)*/        function array_insert (&$array, $position, $insert_array) {            $first_array = array_splice ($array, 0, $position);            $array = array_merge ($first_array, $insert_array, $array);        }        $arr = array(            'tt' => 1333,            'cc' => 333,            'aaz' => 2333,            'ee' => 78,        );        $temp["bb"] = 33;        array_insert($arr,1,$temp);        var_dump($arr);

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