DOMCharacterData::substringData
Extracts a range of data from the character data
Description
public stringfalse DOMCharacterData::substringData(int $offset, int $count)
Parameters
-
offset
-
Start offset of substring to extract.
-
count
-
The number of characters to extract.
Return Values
The specified substring. If the sum of offset
and count exceeds the length, then all UTF-8 codepoints
to the end of the data are returned.
Errors/Exceptions
-
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.
See Also
- DOMCharacterData::appendData
- DOMCharacterData::deleteData
- DOMCharacterData::insertData
- DOMCharacterData::replaceData