php Checking if value exists in array of array

Question

I have an array within an array.

$a = array ( 0 => array ( \'value\' => \'America\', ), 1 => array ( \'value\' => \'England\', ), )

Answer 1

function search($a,$searchval){  //$a - array; $searchval - search value;
if(is_array($a)) {
foreach($a as $val){ 
if(is_array($val))
if(in_array($searchval,$val)) return true;  
}
}
else return false;
}

search($a, 'America'); //function call