DOMCharacterData::substringData
(PHP 5, PHP 7, PHP 8)
DOMCharacterData::substringData — Extracts a range of data from the node
Beschreibung
public DOMCharacterData::substringData(int
$offset, int $count): string|falseReturns 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 16-bit units
to the end of the data are returned.
Fehler/Exceptions
-
DOM_INDEX_SIZE_ERR -
Raised if
offsetis negative or greater than the number of 16-bit units in data, or ifcountis negative.
Siehe auch
- DOMCharacterData::appendData() - Append the string to the end of the character data of the node
- DOMCharacterData::deleteData() - Remove a range of characters from the node
- DOMCharacterData::insertData() - Insert a string at the specified 16-bit unit offset
- DOMCharacterData::replaceData() - Replace a substring within the DOMCharacterData node
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