Phar::offsetUnset
(PECL phar:1.0.0-1.2.1)
Phar::offsetUnset — remove a file from a phar
說明
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.
參數
- offset
-
The filename (relative path) to modify in a Phar.
Return值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
錯誤/例外
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.
範例
Example#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;
}
?>