DOMCharacterData::replaceData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::replaceData — Replace a substring within the character data

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

Replace count characters starting from position offset with data.

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.

成功时返回 true，或者在失败时返回 false。

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

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::insertData() - Insert a string at the specified UTF-8 codepoint offset
DOMCharacterData::substringData() - Extracts a range of data from the character data

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