(PHP4 >= 4.0.1)
array array_unique (array array)
array array_unique
Array_unique() takes input array and returns a new array without duplicate values. Note that keys are preserved.
Example 1. Array_unique() example
$input = array ("a" => "green", "red", "b" => "green", "blue", "red"); $result = array_unique ($input);
This makes $result have array ("a" => "green", "red", "blue");
