DOMCharacterData::substringData
(PHP 5)
DOMCharacterData::substringData — Extracts a range of data from the node
Description
string 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 16-bit units 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 16-bit units in data, or if count is negative.