Determine the output of the specified value! -Php Tutorial

Determine the output of the specified value!

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$n=$_GET['che'];define("A", $n);$b = '';if(A=='star'){$b = '1';}else if(A=='movie'){$b = '9';}else if(A=='tv'){$b = '10';}else if(A=='yue'){$b = '10';}else if(A=='zongyi'){$b = '12';}else if(A=='news'){$b = '15';}else if(A=='yanchu'){$b = '13';}else if(A=='fashion'){$b = '20';}else if(A=='astro'){$b = '23';}echo $b;

$dict = array(  'star' => '1',  'movie' => '9',  'tv' => '10',  'yue' => '10',  'zongyi' => '12',  'news' => '15',  'yanchu' => '13',  'fashion' => '20',  'astro' => '23',);echo isset($dict[$_GET['che']]) ? $dict[$_GET['che']] : ''

$dict = array(  'star' => '1',  'movie' => '9',  'tv' => '10',  'yue' => '10',  'zongyi' => '12',  'news' => '15',  'yanchu' => '13',  'fashion' => '20',  'astro' => '23',);echo isset($dict[$_GET['che']]) ? $dict[$_GET['che']] : ''

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