php - Severity: Notice Message: Undefined index: range_a -

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• php: “notice: undefined variable”, “notice: undefined index”, , “notice: undefined offset” 23 answers

array format-->

array([0] => array(             [qus] => 1             [y_n] => 0             [range_a] => 0             [desc] =>              [range_b] =>              [highriskcomm] =>          )); 

controller -->

   foreach($sup_qus $riskdata){        if($riskdata['range_a']==10){           // enter code here       }   } 

php error:

severity: notice message: undefined index: range_a

how can fix this?

it's multidimensional array.

echo $riskdata[0]['range_a']; 

look @ array format posted

array [0] => ...