DOMCharacterData::deleteData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::deleteData — Remove a range of characters from the node

public DOMCharacterData::deleteData(int $offset, int $count): bool

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.

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

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