(PHP 5, PHP 7)
DOMCharacterData::deleteData — Remove a range of characters from the node
$count) : void
count characters starting from position
The offset from which to start removing.
The number of characters to delete. If the sum of
the length, then all characters to the end of the data are deleted.
No value is returned.
offset is negative or greater than the
number of 16-bit units in data, or if