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PHP - Manual: Phar::offsetUnset - 互联网笔记

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PHP - Manual: Phar::offsetUnset

2025-05-21

Phar::offsetUnset

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 1.0.0)

Phar::offsetUnsetRemove a file from a phar

说明

public Phar::offsetUnset(string $localName): void

注意:

此方法需要 将 php.ini 中的 phar.readonly 设为 0 以适合 Phar 对象. 否则, 将抛出PharException.

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

localName

The filename (relative path) to modify in a Phar.

返回值

没有返回值。

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.

示例

示例 #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;
}
?>

参见

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官方地址:https://www.php.net/manual/en/phar.offsetunset.php

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