Combine 2 arrays of different length

Question

I have an array with 100 values(array1). I have another array with 8 values(array2). I want to take the values from array2 and use them as keys and extract the values in array1

Answer 1

Try this. loop the 2nd array and extract the value from array1 with using value of array2 as index for array1

foreach ( $array2 as $arr2 ){
   $temp[]= $array[ $arr2 ];
}
return $temp;