服务器端处理用ssp.class显示curdate [duplicate]

i'am using datatable server side processing. i wanna modify my script to use CURDATE to show age in my table.

$columns = array(
array( 'db' => 'nkk', 'dt' => 0 ),
array( 'db' => 'nik',  'dt' => 1 ),
array( 'db' => 'kecamatan',  'dt' => 2 ),
array( 'db' => 'kelurahan',  'dt' => 3 ),
array( 'db' => 'nama',  'dt' => 4 ),
array( 'db' => 'tempat_lahir',  'dt' => 5 ),
array( 'db' => 'tanggal_lahir',  'dt' => 6 ),
array( 'db' => 'status_perkawinan',  'dt' => 7 ),
array( 'db' => 'jenis_kelamin',  'dt' => 8 ),
array( 'db' => 'alamat',  'dt' => 9 ),
array( 'db' => '(SELECT 'tb_dpt_biringkanaya'.'tanggal_lahir',YEAR(CURDATE())-YEAR('tb_dpt_biringkanaya'.'tanggal_lahir') AS 'usia' FROM 'tb_dpt_biringkanaya')",  'dt' => 10 ),
array( 'db' => 'tps',  'dt' => 11),
array( 'db' => 'agama',  'dt' => 12 ),
array( 'db' => 'group_jemaat',  'dt' => 13 ),
array( 'db' => 'status',  'dt' => 14 ),

but error like this. Parse error: syntax error, unexpected 'tb_dpt_biringkanaya' (T_STRING), expecting ')' in C:\xampp\htdocs\mariodavdpt\data\load_data_biringkanaya.php on line 50.

please help to solved my problem, thanks.

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