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PHP Manual
DOMCharacterData
Remove a range of characters from the node

DOMCharacterData::deleteData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::deleteData — Remove a range of characters from the node

說(shuō)明

public DOMCharacterData::deleteData(int $offset, int $count): bool

Deletes count characters starting from position offset.

參數

offset: The offset from which to start removing.
count: The number of characters to delete. If the sum of offset and count exceeds the length, then all characters to the end of the data are deleted.

返回值

沒(méi)有返回值。

錯誤／異常

DOM_INDEX_SIZE_ERR: Raised if offset is negative or greater than the number of 16-bit units in data, or if count is negative.

參見(jiàn)

DOMCharacterData::appendData() - Append the string to the end of the character data of the node
DOMCharacterData::insertData() - Insert a string at the specified 16-bit unit offset
DOMCharacterData::replaceData() - Replace a substring within the DOMCharacterData node
DOMCharacterData::substringData() - Extracts a range of data from the node

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