<?
$needles = array(
"orange",
"maroon",
"red",
"violet",
"pink",
"gray",
"navy"
);
$haystack = array(
"blue",
"green",
"red",
"black"
);
$needlesCount = count($needles);
for ($i = 0; $i < $needlesCount; $i++) {
$PoS = array_search($needles[$i], $haystack, true);
if ($PoS !== false) {
echo ("found");
}
else { echo ("not found"); }
echo "\n";
}