PharData::offsetUnset

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 2.0.0)

PharData::offsetUnset — Remove a file from a tar/zip archive

说明

public 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

示例 #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

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