PHP: Patch mysql injection

<?php 

$patch_array = array($_GET['id'],$_GET['page']);


foreach ($patch_array as $key) 

{


 $patch_getter = $key;





 $patch_1 = ereg("-", $patch_getter);


 $patch_2 = ereg("order", $patch_getter);


 $patch_3 = ereg("_", $patch_getter);


 $patch_4 = ereg("concat", $patch_getter);


 $patch_5 = ereg("concat/*!()*/", $patch_getter);


 $patch_6 = ereg("/*!concat()*/", $patch_getter);


 $patch_7 = ereg("%20order%20", $patch_getter);


 $patch_8 = ereg("/*!00000uNiOn*/+/*!00000sElEcT*/", $patch_getter);


 $patch_9 = ereg("\*order\*", $patch_getter);


 $patch_10 = ereg("\+order\+", $patch_getter);


 $patch_11 = ereg("%20union%20", $patch_getter);


 $patch_12 = ereg("union", $patch_getter);


 $patch_13 = ereg("\*union\*", $patch_getter);


 $patch_14 = ereg("\+union\+", $patch_getter);


 $patch_15 = ereg("\*", $patch_getter);


 $patch_16 = ereg("'", $patch_getter);


 $patch_17 = ereg("/*!uNiOn*/+/*!sElEcT*/", $patch_getter);





 if($patch_1||$patch_2||$patch_3||$patch_4||$patch_5||$patch_6||$patch_7||$patch_8||$patch_9||$patch_10||$patch_11||$patch_12||$patch_13||$patch_14||$patch_15||$patch_16||$patch_17)


 {


  exit();


 }





}





?>