unslash() unslash( $value) : string|array This should be used to remove slashes from data passed to core API that expects data to be unslashed. Parameters $value Returns string|array — Unslashed value.
absint() absint(mixed $maybeint) : integer Convert a value to non-negative integer. Parameters mixed $maybeint Data you wish to have converted to a non-negative integer. Returns integer — A non-negative integer.
escape() escape(string $str) : mixed Renders any unwarranted special characters to HTML entities. Parameters string $str Returns mixed