in_array

(PHP 4 )

in_array -- Return TRUE if a value exists in an array

설명

bool in_array ( mixed needle, array haystack)

Searches haystack for needle and returns TRUE if it is found in the array, FALSE otherwise.

예 1. in_array() example

$os = array ("Mac", "NT", "Irix", "Linux");

if (in_array ("Irix", $os)){

    print "Got Irix";

    }