(PHP 5 >= 5.3.0, PHP 7)
SplFixedArray::offsetUnset — Unsets the value at the specified $index
$index
)Unsets the value at the specified index.
index
The index being unset.
값을 반환하지 않습니다.
Throws RuntimeException when index
is outside
the defined size of the array or when index
cannot be parsed as an integer.