php - getting value from textbox -

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i have following code:

     <input type="hidden" name="qz_id" value="<?=$quizid; ?>" />      <input type="hidden" name="s_id" value="<?=$s_id; ?>" />   <? if($num!=$i) {?><input type="submit" value="next" /><? } ?>  <? if($num==$i) {?><input type="submit" name="submit" value="finish" /><? } ?>

this part of whole page of code. trying insert these values in database. can tell me how can value of textbox "answer" , store in php variable? want insert value database once user press next or finish?

here form:

<form id="formresp" method="post" action="respond.php?quiz_id=<?=$quizid ?>" name="register" onsubmit='return validateform(this)'>

also triend $_post['answer'] not working

you can use $_request['answer'];. sort of $_post , $_get.


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