<?php
$band  = array('Guitar' => 'Johnny', 'Vocals'=> 'Stephen', 'Bass' => 'Andy', 'Drums' => 'Mike');
foreach($band as $key => $myvalues){
    echo "On {$key} we have {$myvalues} <br>";
}
?>

On Guitar we have Johnny <br>On Vocals we have Stephen <br>On Bass we have Andy <br>On Drums we have Mike <br>