International PHP Conference Berlin 2025

DOMCharacterData::substringData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::substringData Extracts a range of data from the character data

Beschreibung

public DOMCharacterData::substringData(int $offset, int $count): string|false

Returns the specified substring.

Parameter-Liste

offset

Start offset of substring to extract.

count

The number of characters to extract.

Rückgabewerte

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.

Fehler/Exceptions

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.

Siehe auch

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