How do I find out if a value is already in an array?

[fourjparty]

How do I find out if a value is already in an array?

[john.kranas77]

with php function in_array()
Example :

<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
echo "Got Irix";
}
if (in_array("mac", $os)) {
echo "Got mac";
}
?>

[stevex]

with php function in_array()
Example :

<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
echo "Got Irix";
}
if (in_array("mac", $os)) {
echo "Got mac";
}
?>
Thanks for sharing.