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Dom\CharacterData::deleteData	Dom\CharacterData::remove

Dom\CharacterData	Last updated: Mon, 26 Oct 2026

Dom\CharacterData::insertData

(PHP 8 >= 8.4.0)

Dom\CharacterData::insertData — Insert a string at the specified UTF-8 codepoint offset

Description

public function Dom\CharacterData::insertData(int $offset, string $data): void

Inserts string data at position offset.

Parameters

offset: The character offset at which to insert.
data: The string to insert.

Return Values

Returns true on success or false on failure.

Errors/Exceptions

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.

See Also

Dom\CharacterData::appendData() - Append the string to the end of the character data of the node
Dom\CharacterData::deleteData() - Remove a range of characters from the character data
Dom\CharacterData::replaceData() - Replace a substring within the character data
Dom\CharacterData::substringData() - Extracts a range of data from the character data

Dom\CharacterData::deleteData	Dom\CharacterData::remove

Dom\CharacterData	Last updated: Mon, 26 Oct 2026