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Phar::offsetUnset

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

Phar::offsetUnset — Remove a file from a phar

說(shuō)明

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

注意:

此方法需要 將 php.ini 中的 phar.readonly 設為 0 以適合 Phar 對象. 否則, 將拋出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.

參數

localName

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

返回值

沒(méi)有返回值。

錯誤／異常

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.

范例

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;
}
?>

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