Dom\CharacterData::substringData

(PHP 8 >= 8.4.0)

Dom\CharacterData::substringData — Extracts a range of data from the character data

public Dom\CharacterData::substringData(int $offset, int $count): string

Returns the specified substring.

The specified substring. If the sum of offset and count exceeds the length, then all UTF-8 codepoints to the end of the data are returned.

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.

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::insertData() - Insert a string at the specified UTF-8 codepoint offset
Dom\CharacterData::replaceData() - Replace a substring within the character data