DOMCharacterData::insertData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::insertData — Insert a string at the specified UTF-8 codepoint offset

说明

Inserts string data at position offset.

参数

offset

The character offset at which to insert.

data

The string to insert.

返回值

成功时返回 true , 或者在失败时返回 false 。

错误/异常

May throw a DOMException with the following error codes:

DOM_INDEX_SIZE_ERR

Raised if offset is negative or greater than the number of UTF-8 codepoints 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 character data
• DOMCharacterData::replaceData() - Replace a substring within the character data
• DOMCharacterData::substringData() - Extracts a range of data from the character data