filter array if value is >=70

 <?php

function pass($var){

    

  return $var>=70;

    

}

$notas=array("Jose"=>90,"Ambiorix"=>100,"Maria"=>65,90);

print_r(array_filter($notas,"pass"));

?>

Array

(

    [Jose] => 90

    [Ambiorix] => 100

    [0] => 90

)