//Delete array items with unset(no re-index) or array_splice(re-index) $colors = array("red","blue","green"); unset($colors[1]);//remove second element, do not re-index array $colors = array("red","blue","green"); array_splice($colors, 1, 1); //remove second element, re-index array
$unique = array_unique($array, $sorttype)
array_splice(array, start, length, array)