PHP - Manual: Dom\CharacterData::deleteData
2025-10-24
(PHP 8 >= 8.4.0)
Dom\CharacterData::deleteData — Remove a range of characters from the character data
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.
DOM_INDEX_SIZE_ERR
Raised if offset is negative or greater than the
number of UTF-8 codepoints in data, or if count is
negative.
官方地址:https://www.php.net/manual/en/dom-characterdata.deletedata.php