Php/docs/phardata.offsetunset

来自菜鸟教程
跳转至:导航、​搜索

PharData::offsetUnset

(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 2.0.0)

PharData::offsetUnsetRemove a file from a tar/zip archive


说明

PharData::offsetUnset ( string $offset ) : bool

This is an implementation of the ArrayAccess interface allowing direct manipulation of the contents of a tar/zip archive using array access brackets. offsetUnset is used for deleting an existing file, and is called by the unset() language construct.


参数

offset
The filename (relative path) to modify in the tar/zip archive.


返回值

成功时返回 true, 或者在失败时返回 false


错误/异常

Throws PharException if there are any problems flushing changes made to the tar/zip archive to disk.


范例

Example #1 A PharData::offsetUnset() example

<?php$p = new PharData('/path/to/my.zip');try {    // deletes file.txt from my.zip by calling offsetUnset    unset($p['file.txt']);} catch (Exception $e) {    echo 'Could not delete file.txt: ', $e;}?>

参见