(PHP 5 >= 5.3.0, PHP 7)
SplFixedArray::offsetUnset — Unsets the value at the specified $index
$index
)Unsets the value at the specified index.
indexThe 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.