- var_dump: documentation ( source)
- array_column: documentation ( source)
<?php
$sup_qus = array(0=>array(
"a" => "1",
"b" => "3",
"z" => "3",
"k" => "4",
));
var_dump($array);
foreach($sup_qus as $riskData){
if(array_column($riskData,'z')==3)
{
echo "yes";
}else{
echo "no";
}
}