PharData::offsetUnset()

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

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

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

• Phar::offsetUnset() Remove a file from a phar