PharData::offsetUnset
(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 2.0.0)
PharData::offsetUnset — Remove 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;
}
?>
