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PHP - Manual: DOMCharacterData::insertData - 互联网笔记

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PHP - Manual: DOMCharacterData::insertData

2025-06-02

DOMCharacterData::insertData

(PHP 5, PHP 7, PHP 8)

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

成功时返回 true, 或者在失败时返回 false

错误/异常

DOM_INDEX_SIZE_ERR

Raised if offset is negative or greater than the number of UTF-8 codepoints in data.

参见

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官方地址:https://www.php.net/manual/en/domcharacterdata.insertdata.php

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