DOMCharacterData::replaceData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::replaceData — Replace a substring within the DOMCharacterData node

说明

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

Replace count characters starting from position offset with data.

参数

offset

The offset from which to start replacing.

count

The number of characters to replace. If the sum of offset and count exceeds the length, then all characters to the end of the data are replaced.

data

The string with which the range must be replaced.

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 16-bit units in data, or if count is negative.

参见