(PHP 5, PHP 7, PHP 8)
DOMCharacterData::deleteData — Remove a range of characters from the node
$offset, int $count): bool
Deletes count characters starting from position
offset.
offsetThe offset from which to start removing.
count
The number of characters to delete. If the sum of
offset and count exceeds
the length, then all characters to the end of the data are deleted.
沒(méi)有返回值。
DOM_INDEX_SIZE_ERR
Raised if offset is negative or greater than the
number of 16-bit units in data, or if count is
negative.