Non tested.
PHP Code:
stock array_unique(array[], size)
{
for (new i = 0; i < size - 1; ++i) {
for (new j = i + 1; j < size; ++j) {
if (array[i] == array[j]) {
copy(array[j + 1], size - j - 1, array[i]);
--size;
--j;
}
}
}
return size;
}
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