PHP8中文参考手册
DOMCharacterData
Insert a string at the specified 16-bit unit offset

DOMCharacterData::insertData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::insertData — Insert a string at the specified 16-bit unit offset

说明

public DOMCharacterData::insertData ( int $offset , string $data ) : bool

Inserts string data at position offset.

参数

offset: The character offset at which to insert.
data: The string to insert.

返回值

没有返回值。

错误／异常

DOM_INDEX_SIZE_ERR: Raised if offset is negative or greater than the number of 16-bit units in data.

参见

DOMCharacterData::appendData() - Append the string to the end of the character data of the node
DOMCharacterData::deleteData() - Remove a range of characters from the node
DOMCharacterData::replaceData() - Replace a substring within the DOMCharacterData node
DOMCharacterData::substringData() - Extracts a range of data from the node

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