$meals = array('A' => 1,
'B' => 4.95,
'C' => 3.00,
'D' => 6.50,
'E' => 0);
$books = array("F",'G');
if (in_array(3, $meals)) {
print 'There is a $3 item.';
}
if (in_array('F', $books)) {
print "We have F";
}
// in_array() is case-sensitive
if (in_array("f", $books)) {
print "We have the f.";
}
?>