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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