Php/docs/domcharacterdata.deletedata

• PHP Manual
• DOMCharacterData
• Remove a range of characters from the node

DOMCharacterData::deleteData

(PHP 5, PHP 7)

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

说明

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

Deletes count characters starting from position offset.

参数

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

没有返回值。

错误／异常

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.

参见

• 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