Phar::offsetUnset
(no version information, might be only in CVS)
Phar::offsetUnset -- remove a file from a phar
说明
bool
Phar::offsetUnset ( string offset )
This is an implementation of the ArrayAccess interface allowing
direct manipulation of the contents of a Phar 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 a Phar.
返回值
如果成功则返回 TRUE,失败则返回 FALSE。
错误/异常
if phar.readonly is 1,
BadMethodCallException is thrown, as modifying a Phar
is only allowed when phar.readonly is set to 0. Throws
PharException if there are any problems flushing
changes made to the Phar archive to disk.
范例
例 1. A Phar::offsetUnset() example
<?php $p = new Phar('/path/to/my.phar', 0, 'my.phar'); try { // deletes file.txt from my.phar by calling offsetUnset unset($p['file.txt']); } catch (Exception $e) { echo 'Could not delete file.txt: ', $e; } ?>
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