(PHP4 )
in_array -- Return true if a value exists in an array
Description
bool in_array (mixed needle, array haystack)
Searches haystack for
needle and returns true if it is found in
the array, false otherwise.
Example 1. In_array() example
$os = array ("Mac", "NT", "Irix", "Linux");
if (in_array ("Irix", $os))
print "Got Irix";
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