(PHP 4 >= 4.0.0)
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";
}
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