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This document uses PHP Chinese website manual Release
(PHP 5, PHP 7)
DOMCharacterData::deleteData — Remove a range of characters from the node
$offset
, int $count
)
Deletes count
characters starting from position
offset
.
offset
The 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.
没有返回值。
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.