DOMCharacterData::deleteData
(PHP 5, PHP 7, PHP 8)
DOMCharacterData::deleteData — Remove a range of characters from the node
說明
public DOMCharacterData::deleteData(int
$offset, int $count): bool
Deletes count characters starting from position
offset.
參數
-
offset -
The offset from which to start removing.
-
count -
The number of characters to delete. If the sum of
offsetandcountexceeds the length, then all characters to the end of the data are deleted.
返回值
沒有返回值。
錯誤／異常
-
DOM_INDEX_SIZE_ERR -
Raised if
offsetis negative or greater than the number of 16-bit units in data, or ifcountis negative.
參見
- DOMCharacterData::appendData() - Append the string to the end of the character data of the node
- DOMCharacterData::insertData() - Insert a string at the specified 16-bit unit offset
- DOMCharacterData::replaceData() - Replace a substring within the DOMCharacterData node
- DOMCharacterData::substringData() - Extracts a range of data from the node